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PIKApp
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PIKApp/app/core/pikaimage.c

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/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <time.h>
#include <cairo.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include <gexiv2/gexiv2.h>
#include "libpikacolor/pikacolor.h"
#include "libpikamath/pikamath.h"
#include "libpikabase/pikabase.h"
#include "libpikaconfig/pikaconfig.h"
#include "core-types.h"
#include "config/pikacoreconfig.h"
#include "operations/layer-modes/pika-layer-modes.h"
#include "gegl/pika-babl.h"
#include "gegl/pika-gegl-loops.h"
#include "pika.h"
#include "pika-memsize.h"
#include "pika-parasites.h"
#include "pika-utils.h"
#include "pikacontext.h"
#include "pikadrawable-floating-selection.h"
#include "pikadrawablestack.h"
#include "pikagrid.h"
#include "pikaerror.h"
#include "pikaguide.h"
#include "pikaidtable.h"
#include "pikaimage.h"
#include "pikaimage-color-profile.h"
#include "pikaimage-colormap.h"
#include "pikaimage-guides.h"
#include "pikaimage-item-list.h"
#include "pikaimage-metadata.h"
#include "pikaimage-sample-points.h"
#include "pikaimage-preview.h"
#include "pikaimage-private.h"
#include "pikaimage-quick-mask.h"
#include "pikaimage-symmetry.h"
#include "pikaimage-undo.h"
#include "pikaimage-undo-push.h"
#include "pikaitemlist.h"
#include "pikaitemtree.h"
#include "pikalayer.h"
#include "pikalayer-floating-selection.h"
#include "pikalayermask.h"
#include "pikalayerstack.h"
#include "pikamarshal.h"
#include "pikapalette.h"
#include "pikaparasitelist.h"
#include "pikapickable.h"
#include "pikaprojectable.h"
#include "pikaprojection.h"
#include "pikasamplepoint.h"
#include "pikaselection.h"
#include "pikasymmetry.h"
#include "pikatempbuf.h"
#include "pikatemplate.h"
#include "pikaundostack.h"
#include "text/pikatextlayer.h"
#include "vectors/pikavectors.h"
#include "pika-log.h"
#include "pika-intl.h"
#ifdef DEBUG
#define TRC(x) g_printerr x
#else
#define TRC(x)
#endif
enum
{
MODE_CHANGED,
PRECISION_CHANGED,
ALPHA_CHANGED,
FLOATING_SELECTION_CHANGED,
SELECTED_CHANNELS_CHANGED,
SELECTED_VECTORS_CHANGED,
SELECTED_LAYERS_CHANGED,
COMPONENT_VISIBILITY_CHANGED,
COMPONENT_ACTIVE_CHANGED,
MASK_CHANGED,
RESOLUTION_CHANGED,
SIZE_CHANGED_DETAILED,
UNIT_CHANGED,
QUICK_MASK_CHANGED,
SELECTION_INVALIDATE,
CLEAN,
DIRTY,
SAVING,
SAVED,
EXPORTED,
GUIDE_ADDED,
GUIDE_REMOVED,
GUIDE_MOVED,
SAMPLE_POINT_ADDED,
SAMPLE_POINT_REMOVED,
SAMPLE_POINT_MOVED,
PARASITE_ATTACHED,
PARASITE_DETACHED,
COLORMAP_CHANGED,
UNDO_EVENT,
LAYER_SETS_CHANGED,
CHANNEL_SETS_CHANGED,
VECTORS_SETS_CHANGED,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_PIKA,
PROP_ID,
PROP_WIDTH,
PROP_HEIGHT,
PROP_BASE_TYPE,
PROP_PRECISION,
PROP_METADATA,
PROP_BUFFER,
PROP_SYMMETRY,
PROP_CONVERTING,
};
/* local function prototypes */
static void pika_color_managed_iface_init (PikaColorManagedInterface *iface);
static void pika_projectable_iface_init (PikaProjectableInterface *iface);
static void pika_pickable_iface_init (PikaPickableInterface *iface);
static void pika_image_constructed (GObject *object);
static void pika_image_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void pika_image_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void pika_image_dispose (GObject *object);
static void pika_image_finalize (GObject *object);
static void pika_image_name_changed (PikaObject *object);
static gint64 pika_image_get_memsize (PikaObject *object,
gint64 *gui_size);
static gboolean pika_image_get_size (PikaViewable *viewable,
gint *width,
gint *height);
static void pika_image_size_changed (PikaViewable *viewable);
static gchar * pika_image_get_description (PikaViewable *viewable,
gchar **tooltip);
static void pika_image_real_mode_changed (PikaImage *image);
static void pika_image_real_precision_changed(PikaImage *image);
static void pika_image_real_resolution_changed(PikaImage *image);
static void pika_image_real_size_changed_detailed
(PikaImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height);
static void pika_image_real_unit_changed (PikaImage *image);
static void pika_image_real_colormap_changed (PikaImage *image,
gint color_index);
static const guint8 *
pika_image_color_managed_get_icc_profile (PikaColorManaged *managed,
gsize *len);
static PikaColorProfile *
pika_image_color_managed_get_color_profile (PikaColorManaged *managed);
static void
pika_image_color_managed_profile_changed (PikaColorManaged *managed);
static PikaColorProfile *
pika_image_color_managed_get_simulation_profile (PikaColorManaged *managed);
static void
pika_image_color_managed_simulation_profile_changed (PikaColorManaged *managed);
static PikaColorRenderingIntent
pika_image_color_managed_get_simulation_intent (PikaColorManaged *managed);
static void
pika_image_color_managed_simulation_intent_changed (PikaColorManaged *managed);
static gboolean
pika_image_color_managed_get_simulation_bpc (PikaColorManaged *managed);
static void
pika_image_color_managed_simulation_bpc_changed (PikaColorManaged *managed);
static void pika_image_projectable_flush (PikaProjectable *projectable,
gboolean invalidate_preview);
static GeglRectangle pika_image_get_bounding_box (PikaProjectable *projectable);
static GeglNode * pika_image_get_graph (PikaProjectable *projectable);
static PikaImage * pika_image_get_image (PikaProjectable *projectable);
static const Babl * pika_image_get_proj_format (PikaProjectable *projectable);
static void pika_image_pickable_flush (PikaPickable *pickable);
static GeglBuffer * pika_image_get_buffer (PikaPickable *pickable);
static gboolean pika_image_get_pixel_at (PikaPickable *pickable,
gint x,
gint y,
const Babl *format,
gpointer pixel);
static gdouble pika_image_get_opacity_at (PikaPickable *pickable,
gint x,
gint y);
static void pika_image_get_pixel_average (PikaPickable *pickable,
const GeglRectangle *rect,
const Babl *format,
gpointer pixel);
static void pika_image_pixel_to_rgb (PikaPickable *pickable,
const Babl *format,
gpointer pixel,
PikaRGB *color);
static void pika_image_rgb_to_pixel (PikaPickable *pickable,
const PikaRGB *color,
const Babl *format,
gpointer pixel);
static void pika_image_projection_buffer_notify
(PikaProjection *projection,
const GParamSpec *pspec,
PikaImage *image);
static void pika_image_mask_update (PikaDrawable *drawable,
gint x,
gint y,
gint width,
gint height,
PikaImage *image);
static void pika_image_layers_changed (PikaContainer *container,
PikaChannel *channel,
PikaImage *image);
static void pika_image_layer_offset_changed (PikaDrawable *drawable,
const GParamSpec *pspec,
PikaImage *image);
static void pika_image_layer_bounding_box_changed
(PikaDrawable *drawable,
PikaImage *image);
static void pika_image_layer_alpha_changed (PikaDrawable *drawable,
PikaImage *image);
static void pika_image_channel_add (PikaContainer *container,
PikaChannel *channel,
PikaImage *image);
static void pika_image_channel_remove (PikaContainer *container,
PikaChannel *channel,
PikaImage *image);
static void pika_image_channel_name_changed (PikaChannel *channel,
PikaImage *image);
static void pika_image_channel_color_changed (PikaChannel *channel,
PikaImage *image);
static void pika_image_selected_layers_notify (PikaItemTree *tree,
const GParamSpec *pspec,
PikaImage *image);
static void pika_image_selected_channels_notify (PikaItemTree *tree,
const GParamSpec *pspec,
PikaImage *image);
static void pika_image_selected_vectors_notify (PikaItemTree *tree,
const GParamSpec *pspec,
PikaImage *image);
static void pika_image_freeze_bounding_box (PikaImage *image);
static void pika_image_thaw_bounding_box (PikaImage *image);
static void pika_image_update_bounding_box (PikaImage *image);
static gint pika_image_layer_stack_cmp (GList *layers1,
GList *layers2);
static void pika_image_rec_remove_layer_stack_dups (PikaImage *image,
GSList *start);
static void pika_image_clean_layer_stack (PikaImage *image);
static void pika_image_remove_from_layer_stack (PikaImage *image,
PikaLayer *layer);
static gint pika_image_selected_is_descendant (PikaViewable *selected,
PikaViewable *viewable);
G_DEFINE_TYPE_WITH_CODE (PikaImage, pika_image, PIKA_TYPE_VIEWABLE,
G_ADD_PRIVATE (PikaImage)
G_IMPLEMENT_INTERFACE (PIKA_TYPE_COLOR_MANAGED,
pika_color_managed_iface_init)
G_IMPLEMENT_INTERFACE (PIKA_TYPE_PROJECTABLE,
pika_projectable_iface_init)
G_IMPLEMENT_INTERFACE (PIKA_TYPE_PICKABLE,
pika_pickable_iface_init))
#define parent_class pika_image_parent_class
static guint pika_image_signals[LAST_SIGNAL] = { 0 };
static void
pika_image_class_init (PikaImageClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
PikaObjectClass *pika_object_class = PIKA_OBJECT_CLASS (klass);
PikaViewableClass *viewable_class = PIKA_VIEWABLE_CLASS (klass);
pika_image_signals[MODE_CHANGED] =
g_signal_new ("mode-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, mode_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[PRECISION_CHANGED] =
g_signal_new ("precision-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, precision_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[ALPHA_CHANGED] =
g_signal_new ("alpha-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, alpha_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[FLOATING_SELECTION_CHANGED] =
g_signal_new ("floating-selection-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, floating_selection_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[SELECTED_LAYERS_CHANGED] =
g_signal_new ("selected-layers-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, selected_layers_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[SELECTED_CHANNELS_CHANGED] =
g_signal_new ("selected-channels-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, selected_channels_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[SELECTED_VECTORS_CHANGED] =
g_signal_new ("selected-vectors-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, selected_vectors_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[COMPONENT_VISIBILITY_CHANGED] =
g_signal_new ("component-visibility-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, component_visibility_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_CHANNEL_TYPE);
pika_image_signals[COMPONENT_ACTIVE_CHANGED] =
g_signal_new ("component-active-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, component_active_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_CHANNEL_TYPE);
pika_image_signals[MASK_CHANGED] =
g_signal_new ("mask-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, mask_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[RESOLUTION_CHANGED] =
g_signal_new ("resolution-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, resolution_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[SIZE_CHANGED_DETAILED] =
g_signal_new ("size-changed-detailed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, size_changed_detailed),
NULL, NULL,
pika_marshal_VOID__INT_INT_INT_INT,
G_TYPE_NONE, 4,
G_TYPE_INT,
G_TYPE_INT,
G_TYPE_INT,
G_TYPE_INT);
pika_image_signals[UNIT_CHANGED] =
g_signal_new ("unit-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, unit_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[QUICK_MASK_CHANGED] =
g_signal_new ("quick-mask-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, quick_mask_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[SELECTION_INVALIDATE] =
g_signal_new ("selection-invalidate",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, selection_invalidate),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[CLEAN] =
g_signal_new ("clean",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, clean),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_DIRTY_MASK);
pika_image_signals[DIRTY] =
g_signal_new ("dirty",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, dirty),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_DIRTY_MASK);
pika_image_signals[SAVING] =
g_signal_new ("saving",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, saving),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[SAVED] =
g_signal_new ("saved",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, saved),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_FILE);
pika_image_signals[EXPORTED] =
g_signal_new ("exported",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, exported),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_FILE);
pika_image_signals[GUIDE_ADDED] =
g_signal_new ("guide-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, guide_added),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_GUIDE);
pika_image_signals[GUIDE_REMOVED] =
g_signal_new ("guide-removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, guide_removed),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_GUIDE);
pika_image_signals[GUIDE_MOVED] =
g_signal_new ("guide-moved",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, guide_moved),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_GUIDE);
pika_image_signals[SAMPLE_POINT_ADDED] =
g_signal_new ("sample-point-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, sample_point_added),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_SAMPLE_POINT);
pika_image_signals[SAMPLE_POINT_REMOVED] =
g_signal_new ("sample-point-removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, sample_point_removed),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_SAMPLE_POINT);
pika_image_signals[SAMPLE_POINT_MOVED] =
g_signal_new ("sample-point-moved",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, sample_point_moved),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_SAMPLE_POINT);
pika_image_signals[PARASITE_ATTACHED] =
g_signal_new ("parasite-attached",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, parasite_attached),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_STRING);
pika_image_signals[PARASITE_DETACHED] =
g_signal_new ("parasite-detached",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, parasite_detached),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_STRING);
pika_image_signals[COLORMAP_CHANGED] =
g_signal_new ("colormap-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, colormap_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_INT);
pika_image_signals[UNDO_EVENT] =
g_signal_new ("undo-event",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, undo_event),
NULL, NULL,
pika_marshal_VOID__ENUM_OBJECT,
G_TYPE_NONE, 2,
PIKA_TYPE_UNDO_EVENT,
PIKA_TYPE_UNDO);
pika_image_signals[LAYER_SETS_CHANGED] =
g_signal_new ("layer-sets-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, layer_sets_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[CHANNEL_SETS_CHANGED] =
g_signal_new ("channel-sets-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, channel_sets_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_image_signals[VECTORS_SETS_CHANGED] =
g_signal_new ("vectors-sets-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (PikaImageClass, vectors_sets_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
object_class->constructed = pika_image_constructed;
object_class->set_property = pika_image_set_property;
object_class->get_property = pika_image_get_property;
object_class->dispose = pika_image_dispose;
object_class->finalize = pika_image_finalize;
pika_object_class->name_changed = pika_image_name_changed;
pika_object_class->get_memsize = pika_image_get_memsize;
viewable_class->default_icon_name = "pika-image";
viewable_class->get_size = pika_image_get_size;
viewable_class->size_changed = pika_image_size_changed;
viewable_class->get_preview_size = pika_image_get_preview_size;
viewable_class->get_popup_size = pika_image_get_popup_size;
viewable_class->get_new_preview = pika_image_get_new_preview;
viewable_class->get_new_pixbuf = pika_image_get_new_pixbuf;
viewable_class->get_description = pika_image_get_description;
klass->mode_changed = pika_image_real_mode_changed;
klass->precision_changed = pika_image_real_precision_changed;
klass->alpha_changed = NULL;
klass->floating_selection_changed = NULL;
klass->selected_layers_changed = NULL;
klass->selected_channels_changed = NULL;
klass->selected_vectors_changed = NULL;
klass->component_visibility_changed = NULL;
klass->component_active_changed = NULL;
klass->mask_changed = NULL;
klass->resolution_changed = pika_image_real_resolution_changed;
klass->size_changed_detailed = pika_image_real_size_changed_detailed;
klass->unit_changed = pika_image_real_unit_changed;
klass->quick_mask_changed = NULL;
klass->selection_invalidate = NULL;
klass->clean = NULL;
klass->dirty = NULL;
klass->saving = NULL;
klass->saved = NULL;
klass->exported = NULL;
klass->guide_added = NULL;
klass->guide_removed = NULL;
klass->guide_moved = NULL;
klass->sample_point_added = NULL;
klass->sample_point_removed = NULL;
klass->sample_point_moved = NULL;
klass->parasite_attached = NULL;
klass->parasite_detached = NULL;
klass->colormap_changed = pika_image_real_colormap_changed;
klass->undo_event = NULL;
g_object_class_install_property (object_class, PROP_PIKA,
g_param_spec_object ("pika", NULL, NULL,
PIKA_TYPE_PIKA,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_ID,
g_param_spec_int ("id", NULL, NULL,
0, G_MAXINT, 0,
PIKA_PARAM_READABLE));
g_object_class_install_property (object_class, PROP_WIDTH,
g_param_spec_int ("width", NULL, NULL,
1, PIKA_MAX_IMAGE_SIZE, 1,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_HEIGHT,
g_param_spec_int ("height", NULL, NULL,
1, PIKA_MAX_IMAGE_SIZE, 1,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_BASE_TYPE,
g_param_spec_enum ("base-type", NULL, NULL,
PIKA_TYPE_IMAGE_BASE_TYPE,
PIKA_RGB,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_PRECISION,
g_param_spec_enum ("precision", NULL, NULL,
PIKA_TYPE_PRECISION,
PIKA_PRECISION_U8_NON_LINEAR,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_METADATA,
g_param_spec_object ("metadata", NULL, NULL,
GEXIV2_TYPE_METADATA,
PIKA_PARAM_READABLE));
g_object_class_override_property (object_class, PROP_BUFFER, "buffer");
g_object_class_install_property (object_class, PROP_SYMMETRY,
g_param_spec_gtype ("symmetry",
NULL, _("Symmetry"),
PIKA_TYPE_SYMMETRY,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_CONVERTING,
g_param_spec_boolean ("converting",
NULL, NULL,
FALSE,
PIKA_PARAM_READWRITE));
}
static void
pika_color_managed_iface_init (PikaColorManagedInterface *iface)
{
iface->get_icc_profile = pika_image_color_managed_get_icc_profile;
iface->get_color_profile = pika_image_color_managed_get_color_profile;
iface->profile_changed = pika_image_color_managed_profile_changed;
iface->get_simulation_profile = pika_image_color_managed_get_simulation_profile;
iface->simulation_profile_changed = pika_image_color_managed_simulation_profile_changed;
iface->get_simulation_intent = pika_image_color_managed_get_simulation_intent;
iface->simulation_intent_changed = pika_image_color_managed_simulation_intent_changed;
iface->get_simulation_bpc = pika_image_color_managed_get_simulation_bpc;
iface->simulation_bpc_changed = pika_image_color_managed_simulation_bpc_changed;
}
static void
pika_projectable_iface_init (PikaProjectableInterface *iface)
{
iface->flush = pika_image_projectable_flush;
iface->get_image = pika_image_get_image;
iface->get_format = pika_image_get_proj_format;
iface->get_bounding_box = pika_image_get_bounding_box;
iface->get_graph = pika_image_get_graph;
iface->invalidate_preview = (void (*) (PikaProjectable*)) pika_viewable_invalidate_preview;
}
static void
pika_pickable_iface_init (PikaPickableInterface *iface)
{
iface->flush = pika_image_pickable_flush;
iface->get_image = (PikaImage * (*) (PikaPickable *pickable)) pika_image_get_image;
iface->get_format = (const Babl * (*) (PikaPickable *pickable)) pika_image_get_proj_format;
iface->get_format_with_alpha = (const Babl * (*) (PikaPickable *pickable)) pika_image_get_proj_format;
iface->get_buffer = pika_image_get_buffer;
iface->get_pixel_at = pika_image_get_pixel_at;
iface->get_opacity_at = pika_image_get_opacity_at;
iface->get_pixel_average = pika_image_get_pixel_average;
iface->pixel_to_rgb = pika_image_pixel_to_rgb;
iface->rgb_to_pixel = pika_image_rgb_to_pixel;
}
static void
pika_image_init (PikaImage *image)
{
PikaImagePrivate *private = pika_image_get_instance_private (image);
gint i;
image->priv = private;
private->ID = 0;
private->load_proc = NULL;
private->save_proc = NULL;
private->width = 0;
private->height = 0;
private->xresolution = 1.0;
private->yresolution = 1.0;
private->resolution_set = FALSE;
private->resolution_unit = PIKA_UNIT_INCH;
private->base_type = PIKA_RGB;
private->precision = PIKA_PRECISION_U8_NON_LINEAR;
private->new_layer_mode = -1;
private->show_all = 0;
private->bounding_box.x = 0;
private->bounding_box.y = 0;
private->bounding_box.width = 0;
private->bounding_box.height = 0;
private->pickable_buffer = NULL;
private->palette = NULL;
private->metadata = NULL;
private->simulation_profile = NULL;
private->simulation_intent = PIKA_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC;
private->simulation_bpc = FALSE;
private->dirty = 1;
private->dirty_time = 0;
private->undo_freeze_count = 0;
private->export_dirty = 1;
private->instance_count = 0;
private->disp_count = 0;
private->tattoo_state = 0;
private->projection = pika_projection_new (PIKA_PROJECTABLE (image));
private->symmetries = NULL;
private->active_symmetry = NULL;
private->guides = NULL;
private->grid = NULL;
private->sample_points = NULL;
private->layers = pika_item_tree_new (image,
PIKA_TYPE_LAYER_STACK,
PIKA_TYPE_LAYER);
private->channels = pika_item_tree_new (image,
PIKA_TYPE_DRAWABLE_STACK,
PIKA_TYPE_CHANNEL);
private->vectors = pika_item_tree_new (image,
PIKA_TYPE_ITEM_STACK,
PIKA_TYPE_VECTORS);
private->layer_stack = NULL;
private->stored_layer_sets = NULL;
private->stored_channel_sets = NULL;
private->stored_vectors_sets = NULL;
g_signal_connect (private->projection, "notify::buffer",
G_CALLBACK (pika_image_projection_buffer_notify),
image);
g_signal_connect (private->layers, "notify::selected-items",
G_CALLBACK (pika_image_selected_layers_notify),
image);
g_signal_connect (private->channels, "notify::selected-items",
G_CALLBACK (pika_image_selected_channels_notify),
image);
g_signal_connect (private->vectors, "notify::selected-items",
G_CALLBACK (pika_image_selected_vectors_notify),
image);
g_signal_connect_swapped (private->layers->container, "update",
G_CALLBACK (pika_image_invalidate),
image);
private->layer_offset_x_handler =
pika_container_add_handler (private->layers->container, "notify::offset-x",
G_CALLBACK (pika_image_layer_offset_changed),
image);
private->layer_offset_y_handler =
pika_container_add_handler (private->layers->container, "notify::offset-y",
G_CALLBACK (pika_image_layer_offset_changed),
image);
private->layer_bounding_box_handler =
pika_container_add_handler (private->layers->container, "bounding-box-changed",
G_CALLBACK (pika_image_layer_bounding_box_changed),
image);
private->layer_alpha_handler =
pika_container_add_handler (private->layers->container, "alpha-changed",
G_CALLBACK (pika_image_layer_alpha_changed),
image);
g_signal_connect (private->layers->container, "add",
G_CALLBACK (pika_image_layers_changed),
image);
g_signal_connect (private->layers->container, "remove",
G_CALLBACK (pika_image_layers_changed),
image);
g_signal_connect_swapped (private->channels->container, "update",
G_CALLBACK (pika_image_invalidate),
image);
private->channel_name_changed_handler =
pika_container_add_handler (private->channels->container, "name-changed",
G_CALLBACK (pika_image_channel_name_changed),
image);
private->channel_color_changed_handler =
pika_container_add_handler (private->channels->container, "color-changed",
G_CALLBACK (pika_image_channel_color_changed),
image);
g_signal_connect (private->channels->container, "add",
G_CALLBACK (pika_image_channel_add),
image);
g_signal_connect (private->channels->container, "remove",
G_CALLBACK (pika_image_channel_remove),
image);
private->floating_sel = NULL;
private->selection_mask = NULL;
private->parasites = pika_parasite_list_new ();
for (i = 0; i < MAX_CHANNELS; i++)
{
private->visible[i] = TRUE;
private->active[i] = TRUE;
}
private->quick_mask_state = FALSE;
private->quick_mask_inverted = FALSE;
pika_rgba_set (&private->quick_mask_color, 1.0, 0.0, 0.0, 0.5);
private->undo_stack = pika_undo_stack_new (image);
private->redo_stack = pika_undo_stack_new (image);
private->group_count = 0;
private->pushing_undo_group = PIKA_UNDO_GROUP_NONE;
private->flush_accum.alpha_changed = FALSE;
private->flush_accum.mask_changed = FALSE;
private->flush_accum.floating_selection_changed = FALSE;
private->flush_accum.preview_invalidated = FALSE;
}
static void
pika_image_constructed (GObject *object)
{
PikaImage *image = PIKA_IMAGE (object);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
PikaChannel *selection;
PikaCoreConfig *config;
PikaTemplate *template;
G_OBJECT_CLASS (parent_class)->constructed (object);
pika_assert (PIKA_IS_PIKA (image->pika));
config = image->pika->config;
private->ID = pika_id_table_insert (image->pika->image_table, image);
template = config->default_image;
private->xresolution = pika_template_get_resolution_x (template);
private->yresolution = pika_template_get_resolution_y (template);
private->resolution_unit = pika_template_get_resolution_unit (template);
private->grid = pika_config_duplicate (PIKA_CONFIG (config->default_grid));
private->quick_mask_color = config->quick_mask_color;
pika_image_update_bounding_box (image);
if (private->base_type == PIKA_INDEXED)
pika_image_colormap_init (image);
selection = pika_selection_new (image,
pika_image_get_width (image),
pika_image_get_height (image));
pika_image_take_mask (image, selection);
g_signal_connect_object (config, "notify::transparency-type",
G_CALLBACK (pika_item_stack_invalidate_previews),
private->layers->container, G_CONNECT_SWAPPED);
g_signal_connect_object (config, "notify::transparency-size",
G_CALLBACK (pika_item_stack_invalidate_previews),
private->layers->container, G_CONNECT_SWAPPED);
g_signal_connect_object (config, "notify::transparency-custom-color1",
G_CALLBACK (pika_item_stack_invalidate_previews),
private->layers->container, G_CONNECT_SWAPPED);
g_signal_connect_object (config, "notify::transparency-custom-color2",
G_CALLBACK (pika_item_stack_invalidate_previews),
private->layers->container, G_CONNECT_SWAPPED);
g_signal_connect_object (config, "notify::layer-previews",
G_CALLBACK (pika_viewable_size_changed),
image, G_CONNECT_SWAPPED);
g_signal_connect_object (config, "notify::group-layer-previews",
G_CALLBACK (pika_viewable_size_changed),
image, G_CONNECT_SWAPPED);
pika_container_add (image->pika->images, PIKA_OBJECT (image));
}
static void
pika_image_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
PikaImage *image = PIKA_IMAGE (object);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
switch (property_id)
{
case PROP_PIKA:
image->pika = g_value_get_object (value);
break;
case PROP_WIDTH:
private->width = g_value_get_int (value);
break;
case PROP_HEIGHT:
private->height = g_value_get_int (value);
break;
case PROP_BASE_TYPE:
private->base_type = g_value_get_enum (value);
_pika_image_free_color_transforms (image);
break;
case PROP_PRECISION:
private->precision = g_value_get_enum (value);
_pika_image_free_color_transforms (image);
break;
case PROP_SYMMETRY:
{
GList *iter;
GType type = g_value_get_gtype (value);
if (private->active_symmetry)
g_object_set (private->active_symmetry,
"active", FALSE,
NULL);
private->active_symmetry = NULL;
for (iter = private->symmetries; iter; iter = g_list_next (iter))
{
PikaSymmetry *sym = iter->data;
if (type == G_TYPE_FROM_INSTANCE (sym))
private->active_symmetry = iter->data;
}
if (! private->active_symmetry &&
g_type_is_a (type, PIKA_TYPE_SYMMETRY))
{
PikaSymmetry *sym = pika_image_symmetry_new (image, type);
pika_image_symmetry_add (image, sym);
g_object_unref (sym);
private->active_symmetry = sym;
}
if (private->active_symmetry)
g_object_set (private->active_symmetry,
"active", TRUE,
NULL);
}
break;
case PROP_CONVERTING:
private->converting = g_value_get_boolean (value);
break;
case PROP_ID:
case PROP_METADATA:
case PROP_BUFFER:
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_image_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
PikaImage *image = PIKA_IMAGE (object);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
switch (property_id)
{
case PROP_PIKA:
g_value_set_object (value, image->pika);
break;
case PROP_ID:
g_value_set_int (value, private->ID);
break;
case PROP_WIDTH:
g_value_set_int (value, private->width);
break;
case PROP_HEIGHT:
g_value_set_int (value, private->height);
break;
case PROP_BASE_TYPE:
g_value_set_enum (value, private->base_type);
break;
case PROP_PRECISION:
g_value_set_enum (value, private->precision);
break;
case PROP_METADATA:
g_value_set_object (value, pika_image_get_metadata (image));
break;
case PROP_BUFFER:
g_value_set_object (value, pika_image_get_buffer (PIKA_PICKABLE (image)));
break;
case PROP_SYMMETRY:
g_value_set_gtype (value,
private->active_symmetry ?
G_TYPE_FROM_INSTANCE (private->active_symmetry) :
G_TYPE_NONE);
break;
case PROP_CONVERTING:
g_value_set_boolean (value, private->converting);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_image_dispose (GObject *object)
{
PikaImage *image = PIKA_IMAGE (object);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
if (private->palette)
pika_image_colormap_dispose (image);
pika_image_undo_free (image);
g_list_free_full (private->stored_layer_sets, g_object_unref);
g_list_free_full (private->stored_channel_sets, g_object_unref);
g_list_free_full (private->stored_vectors_sets, g_object_unref);
g_signal_handlers_disconnect_by_func (private->layers->container,
pika_image_invalidate,
image);
pika_container_remove_handler (private->layers->container,
private->layer_offset_x_handler);
pika_container_remove_handler (private->layers->container,
private->layer_offset_y_handler);
pika_container_remove_handler (private->layers->container,
private->layer_bounding_box_handler);
pika_container_remove_handler (private->layers->container,
private->layer_alpha_handler);
g_signal_handlers_disconnect_by_func (private->layers->container,
pika_image_layers_changed,
image);
g_signal_handlers_disconnect_by_func (private->channels->container,
pika_image_invalidate,
image);
pika_container_remove_handler (private->channels->container,
private->channel_name_changed_handler);
pika_container_remove_handler (private->channels->container,
private->channel_color_changed_handler);
g_signal_handlers_disconnect_by_func (private->channels->container,
pika_image_channel_add,
image);
g_signal_handlers_disconnect_by_func (private->channels->container,
pika_image_channel_remove,
image);
g_object_run_dispose (G_OBJECT (private->layers));
g_object_run_dispose (G_OBJECT (private->channels));
g_object_run_dispose (G_OBJECT (private->vectors));
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
pika_image_finalize (GObject *object)
{
PikaImage *image = PIKA_IMAGE (object);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
g_clear_object (&private->projection);
g_clear_object (&private->graph);
private->visible_mask = NULL;
if (private->palette)
pika_image_colormap_free (image);
_pika_image_free_color_profile (image);
g_clear_object (&private->pickable_buffer);
g_clear_object (&private->metadata);
g_clear_object (&private->file);
g_clear_object (&private->imported_file);
g_clear_object (&private->exported_file);
g_clear_object (&private->save_a_copy_file);
g_clear_object (&private->untitled_file);
g_clear_object (&private->layers);
g_clear_object (&private->channels);
g_clear_object (&private->vectors);
if (private->layer_stack)
{
g_slist_free_full (private->layer_stack,
(GDestroyNotify) g_list_free);
private->layer_stack = NULL;
}
g_clear_object (&private->selection_mask);
g_clear_object (&private->parasites);
if (private->guides)
{
g_list_free_full (private->guides, (GDestroyNotify) g_object_unref);
private->guides = NULL;
}
if (private->symmetries)
{
g_list_free_full (private->symmetries, g_object_unref);
private->symmetries = NULL;
}
g_clear_object (&private->grid);
if (private->sample_points)
{
g_list_free_full (private->sample_points,
(GDestroyNotify) g_object_unref);
private->sample_points = NULL;
}
g_clear_object (&private->undo_stack);
g_clear_object (&private->redo_stack);
if (image->pika && image->pika->image_table)
{
pika_id_table_remove (image->pika->image_table, private->ID);
image->pika = NULL;
}
g_clear_pointer (&private->display_name, g_free);
g_clear_pointer (&private->display_path, g_free);
G_OBJECT_CLASS (parent_class)->finalize (object);
/* Don't just free the list silently. It is supposed to be empty.
* Instead just assert this fact to warn on improper management of
* hidden items.
*/
if (private->hidden_items != NULL)
{
g_warning ("%s: the hidden items list should be empty (%d items remaining).",
G_STRFUNC, g_list_length (private->hidden_items));
g_list_free (private->hidden_items);
}
}
static void
pika_image_name_changed (PikaObject *object)
{
PikaImage *image = PIKA_IMAGE (object);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
const gchar *name;
if (PIKA_OBJECT_CLASS (parent_class)->name_changed)
PIKA_OBJECT_CLASS (parent_class)->name_changed (object);
g_clear_pointer (&private->display_name, g_free);
g_clear_pointer (&private->display_path, g_free);
/* We never want the empty string as a name, so change empty strings
* to NULL strings (without emitting the "name-changed" signal
* again)
*/
name = pika_object_get_name (object);
if (name && strlen (name) == 0)
{
pika_object_name_free (object);
name = NULL;
}
g_clear_object (&private->file);
if (name)
private->file = g_file_new_for_uri (name);
}
static gint64
pika_image_get_memsize (PikaObject *object,
gint64 *gui_size)
{
PikaImage *image = PIKA_IMAGE (object);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
gint64 memsize = 0;
memsize += pika_object_get_memsize (PIKA_OBJECT (private->palette),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (private->projection),
gui_size);
memsize += pika_g_list_get_memsize (pika_image_get_guides (image),
sizeof (PikaGuide));
memsize += pika_object_get_memsize (PIKA_OBJECT (private->grid), gui_size);
memsize += pika_g_list_get_memsize (pika_image_get_sample_points (image),
sizeof (PikaSamplePoint));
memsize += pika_object_get_memsize (PIKA_OBJECT (private->layers),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (private->channels),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (private->vectors),
gui_size);
memsize += pika_g_slist_get_memsize (private->layer_stack, 0);
memsize += pika_object_get_memsize (PIKA_OBJECT (private->selection_mask),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (private->parasites),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (private->undo_stack),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (private->redo_stack),
gui_size);
return memsize + PIKA_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static gboolean
pika_image_get_size (PikaViewable *viewable,
gint *width,
gint *height)
{
PikaImage *image = PIKA_IMAGE (viewable);
*width = pika_image_get_width (image);
*height = pika_image_get_height (image);
return TRUE;
}
static void
pika_image_size_changed (PikaViewable *viewable)
{
PikaImage *image = PIKA_IMAGE (viewable);
GList *all_items;
GList *list;
if (PIKA_VIEWABLE_CLASS (parent_class)->size_changed)
PIKA_VIEWABLE_CLASS (parent_class)->size_changed (viewable);
all_items = pika_image_get_layer_list (image);
for (list = all_items; list; list = g_list_next (list))
{
PikaLayerMask *mask = pika_layer_get_mask (PIKA_LAYER (list->data));
pika_viewable_size_changed (PIKA_VIEWABLE (list->data));
if (mask)
pika_viewable_size_changed (PIKA_VIEWABLE (mask));
}
g_list_free (all_items);
all_items = pika_image_get_channel_list (image);
g_list_free_full (all_items, (GDestroyNotify) pika_viewable_size_changed);
all_items = pika_image_get_vectors_list (image);
g_list_free_full (all_items, (GDestroyNotify) pika_viewable_size_changed);
pika_viewable_size_changed (PIKA_VIEWABLE (pika_image_get_mask (image)));
pika_image_metadata_update_pixel_size (image);
g_clear_object (&PIKA_IMAGE_GET_PRIVATE (image)->pickable_buffer);
pika_image_update_bounding_box (image);
}
static gchar *
pika_image_get_description (PikaViewable *viewable,
gchar **tooltip)
{
PikaImage *image = PIKA_IMAGE (viewable);
if (tooltip)
*tooltip = g_strdup (pika_image_get_display_path (image));
return g_strdup_printf ("%s-%d",
pika_image_get_display_name (image),
pika_image_get_id (image));
}
static void
pika_image_real_mode_changed (PikaImage *image)
{
pika_projectable_structure_changed (PIKA_PROJECTABLE (image));
}
static void
pika_image_real_precision_changed (PikaImage *image)
{
pika_image_metadata_update_bits_per_sample (image);
pika_projectable_structure_changed (PIKA_PROJECTABLE (image));
}
static void
pika_image_real_resolution_changed (PikaImage *image)
{
pika_image_metadata_update_resolution (image);
}
static void
pika_image_real_size_changed_detailed (PikaImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height)
{
/* Whenever PikaImage::size-changed-detailed is emitted, so is
* PikaViewable::size-changed. Clients choose what signal to listen
* to depending on how much info they need.
*/
pika_viewable_size_changed (PIKA_VIEWABLE (image));
}
static void
pika_image_real_unit_changed (PikaImage *image)
{
pika_image_metadata_update_resolution (image);
}
static void
pika_image_real_colormap_changed (PikaImage *image,
gint color_index)
{
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
pika_image_colormap_update_formats (image);
if (pika_image_get_base_type (image) == PIKA_INDEXED)
{
/* A colormap alteration affects the whole image */
pika_image_invalidate_all (image);
pika_item_stack_invalidate_previews (PIKA_ITEM_STACK (private->layers->container));
}
}
static const guint8 *
pika_image_color_managed_get_icc_profile (PikaColorManaged *managed,
gsize *len)
{
return pika_image_get_icc_profile (PIKA_IMAGE (managed), len);
}
static PikaColorProfile *
pika_image_color_managed_get_color_profile (PikaColorManaged *managed)
{
PikaImage *image = PIKA_IMAGE (managed);
PikaColorProfile *profile;
profile = pika_image_get_color_profile (image);
if (! profile)
profile = pika_image_get_builtin_color_profile (image);
return profile;
}
static void
pika_image_color_managed_profile_changed (PikaColorManaged *managed)
{
PikaImage *image = PIKA_IMAGE (managed);
PikaItemStack *layers = PIKA_ITEM_STACK (pika_image_get_layers (image));
pika_image_metadata_update_colorspace (image);
pika_projectable_structure_changed (PIKA_PROJECTABLE (image));
pika_viewable_invalidate_preview (PIKA_VIEWABLE (image));
pika_item_stack_profile_changed (layers);
}
static PikaColorProfile *
pika_image_color_managed_get_simulation_profile (PikaColorManaged *managed)
{
PikaImage *image = PIKA_IMAGE (managed);
PikaColorProfile *profile;
profile = pika_image_get_simulation_profile (image);
return profile;
}
static void
pika_image_color_managed_simulation_profile_changed (PikaColorManaged *managed)
{
PikaImage *image = PIKA_IMAGE (managed);
pika_projectable_structure_changed (PIKA_PROJECTABLE (image));
pika_viewable_invalidate_preview (PIKA_VIEWABLE (image));
}
static PikaColorRenderingIntent
pika_image_color_managed_get_simulation_intent (PikaColorManaged *managed)
{
PikaImage *image = PIKA_IMAGE (managed);
return pika_image_get_simulation_intent (image);
}
static void
pika_image_color_managed_simulation_intent_changed (PikaColorManaged *managed)
{
PikaImage *image = PIKA_IMAGE (managed);
pika_projectable_structure_changed (PIKA_PROJECTABLE (image));
pika_viewable_invalidate_preview (PIKA_VIEWABLE (image));
}
static gboolean
pika_image_color_managed_get_simulation_bpc (PikaColorManaged *managed)
{
PikaImage *image = PIKA_IMAGE (managed);
return pika_image_get_simulation_bpc (image);
}
static void
pika_image_color_managed_simulation_bpc_changed (PikaColorManaged *managed)
{
PikaImage *image = PIKA_IMAGE (managed);
pika_projectable_structure_changed (PIKA_PROJECTABLE (image));
pika_viewable_invalidate_preview (PIKA_VIEWABLE (image));
}
static void
pika_image_projectable_flush (PikaProjectable *projectable,
gboolean invalidate_preview)
{
PikaImage *image = PIKA_IMAGE (projectable);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
if (private->flush_accum.alpha_changed)
{
pika_image_alpha_changed (image);
private->flush_accum.alpha_changed = FALSE;
}
if (private->flush_accum.mask_changed)
{
pika_image_mask_changed (image);
private->flush_accum.mask_changed = FALSE;
}
if (private->flush_accum.floating_selection_changed)
{
pika_image_floating_selection_changed (image);
private->flush_accum.floating_selection_changed = FALSE;
}
if (private->flush_accum.preview_invalidated)
{
/* don't invalidate the preview here, the projection does this when
* it is completely constructed.
*/
private->flush_accum.preview_invalidated = FALSE;
}
}
static PikaImage *
pika_image_get_image (PikaProjectable *projectable)
{
return PIKA_IMAGE (projectable);
}
static const Babl *
pika_image_get_proj_format (PikaProjectable *projectable)
{
PikaImage *image = PIKA_IMAGE (projectable);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
switch (private->base_type)
{
case PIKA_RGB:
case PIKA_INDEXED:
return pika_image_get_format (image, PIKA_RGB,
pika_image_get_precision (image), TRUE,
pika_image_get_layer_space (image));
case PIKA_GRAY:
return pika_image_get_format (image, PIKA_GRAY,
pika_image_get_precision (image), TRUE,
pika_image_get_layer_space (image));
}
g_return_val_if_reached (NULL);
}
static void
pika_image_pickable_flush (PikaPickable *pickable)
{
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (pickable);
return pika_pickable_flush (PIKA_PICKABLE (private->projection));
}
static GeglBuffer *
pika_image_get_buffer (PikaPickable *pickable)
{
PikaImage *image = PIKA_IMAGE (pickable);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
if (! private->pickable_buffer)
{
GeglBuffer *buffer;
buffer = pika_pickable_get_buffer (PIKA_PICKABLE (private->projection));
if (! private->show_all)
{
private->pickable_buffer = g_object_ref (buffer);
}
else
{
private->pickable_buffer = gegl_buffer_create_sub_buffer (
buffer,
GEGL_RECTANGLE (0, 0,
pika_image_get_width (image),
pika_image_get_height (image)));
}
}
return private->pickable_buffer;
}
static gboolean
pika_image_get_pixel_at (PikaPickable *pickable,
gint x,
gint y,
const Babl *format,
gpointer pixel)
{
PikaImage *image = PIKA_IMAGE (pickable);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
if (x >= 0 &&
y >= 0 &&
x < pika_image_get_width (image) &&
y < pika_image_get_height (image))
{
return pika_pickable_get_pixel_at (PIKA_PICKABLE (private->projection),
x, y, format, pixel);
}
return FALSE;
}
static gdouble
pika_image_get_opacity_at (PikaPickable *pickable,
gint x,
gint y)
{
PikaImage *image = PIKA_IMAGE (pickable);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
if (x >= 0 &&
y >= 0 &&
x < pika_image_get_width (image) &&
y < pika_image_get_height (image))
{
return pika_pickable_get_opacity_at (PIKA_PICKABLE (private->projection),
x, y);
}
return FALSE;
}
static void
pika_image_get_pixel_average (PikaPickable *pickable,
const GeglRectangle *rect,
const Babl *format,
gpointer pixel)
{
GeglBuffer *buffer = pika_pickable_get_buffer (pickable);
return pika_gegl_average_color (buffer, rect, TRUE, GEGL_ABYSS_NONE, format,
pixel);
}
static void
pika_image_pixel_to_rgb (PikaPickable *pickable,
const Babl *format,
gpointer pixel,
PikaRGB *color)
{
pika_image_color_profile_pixel_to_rgb (PIKA_IMAGE (pickable),
format, pixel, color);
}
static void
pika_image_rgb_to_pixel (PikaPickable *pickable,
const PikaRGB *color,
const Babl *format,
gpointer pixel)
{
pika_image_color_profile_rgb_to_pixel (PIKA_IMAGE (pickable),
color, format, pixel);
}
static GeglRectangle
pika_image_get_bounding_box (PikaProjectable *projectable)
{
PikaImage *image = PIKA_IMAGE (projectable);
return PIKA_IMAGE_GET_PRIVATE (image)->bounding_box;
}
static GeglNode *
pika_image_get_graph (PikaProjectable *projectable)
{
PikaImage *image = PIKA_IMAGE (projectable);
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
GeglNode *layers_node;
GeglNode *channels_node;
GeglNode *output;
PikaComponentMask mask;
if (private->graph)
return private->graph;
private->graph = gegl_node_new ();
layers_node =
pika_filter_stack_get_graph (PIKA_FILTER_STACK (private->layers->container));
gegl_node_add_child (private->graph, layers_node);
mask = ~pika_image_get_visible_mask (image) & PIKA_COMPONENT_MASK_ALL;
private->visible_mask =
gegl_node_new_child (private->graph,
"operation", "pika:mask-components",
"mask", mask,
"alpha", 1.0,
NULL);
gegl_node_link (layers_node, private->visible_mask);
channels_node =
pika_filter_stack_get_graph (PIKA_FILTER_STACK (private->channels->container));
gegl_node_add_child (private->graph, channels_node);
gegl_node_link (private->visible_mask, channels_node);
output = gegl_node_get_output_proxy (private->graph, "output");
gegl_node_link (channels_node, output);
return private->graph;
}
static void
pika_image_projection_buffer_notify (PikaProjection *projection,
const GParamSpec *pspec,
PikaImage *image)
{
g_clear_object (&PIKA_IMAGE_GET_PRIVATE (image)->pickable_buffer);
}
static void
pika_image_mask_update (PikaDrawable *drawable,
gint x,
gint y,
gint width,
gint height,
PikaImage *image)
{
PIKA_IMAGE_GET_PRIVATE (image)->flush_accum.mask_changed = TRUE;
}
static void
pika_image_layers_changed (PikaContainer *container,
PikaChannel *channel,
PikaImage *image)
{
pika_image_update_bounding_box (image);
}
static void
pika_image_layer_offset_changed (PikaDrawable *drawable,
const GParamSpec *pspec,
PikaImage *image)
{
pika_image_update_bounding_box (image);
}
static void
pika_image_layer_bounding_box_changed (PikaDrawable *drawable,
PikaImage *image)
{
pika_image_update_bounding_box (image);
}
static void
pika_image_layer_alpha_changed (PikaDrawable *drawable,
PikaImage *image)
{
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
if (pika_container_get_n_children (private->layers->container) == 1)
private->flush_accum.alpha_changed = TRUE;
}
static void
pika_image_channel_add (PikaContainer *container,
PikaChannel *channel,
PikaImage *image)
{
if (! strcmp (PIKA_IMAGE_QUICK_MASK_NAME,
pika_object_get_name (channel)))
{
pika_image_set_quick_mask_state (image, TRUE);
}
}
static void
pika_image_channel_remove (PikaContainer *container,
PikaChannel *channel,
PikaImage *image)
{
if (! strcmp (PIKA_IMAGE_QUICK_MASK_NAME,
pika_object_get_name (channel)))
{
pika_image_set_quick_mask_state (image, FALSE);
}
}
static void
pika_image_channel_name_changed (PikaChannel *channel,
PikaImage *image)
{
if (! strcmp (PIKA_IMAGE_QUICK_MASK_NAME,
pika_object_get_name (channel)))
{
pika_image_set_quick_mask_state (image, TRUE);
}
else if (pika_image_get_quick_mask_state (image) &&
! pika_image_get_quick_mask (image))
{
pika_image_set_quick_mask_state (image, FALSE);
}
}
static void
pika_image_channel_color_changed (PikaChannel *channel,
PikaImage *image)
{
if (! strcmp (PIKA_IMAGE_QUICK_MASK_NAME,
pika_object_get_name (channel)))
{
PIKA_IMAGE_GET_PRIVATE (image)->quick_mask_color = channel->color;
}
}
static void
pika_image_selected_layers_notify (PikaItemTree *tree,
const GParamSpec *pspec,
PikaImage *image)
{
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
GList *layers = pika_image_get_selected_layers (image);
if (layers)
{
/* Configure the layer stack to reflect this change */
GSList *prev_layers;
while ((prev_layers = g_slist_find_custom (private->layer_stack, layers,
(GCompareFunc) pika_image_layer_stack_cmp)))
{
g_list_free (prev_layers->data);
private->layer_stack = g_slist_delete_link (private->layer_stack,
prev_layers);
}
private->layer_stack = g_slist_prepend (private->layer_stack, g_list_copy (layers));
}
g_signal_emit (image, pika_image_signals[SELECTED_LAYERS_CHANGED], 0);
if (layers && pika_image_get_selected_channels (image))
pika_image_set_selected_channels (image, NULL);
}
static void
pika_image_selected_channels_notify (PikaItemTree *tree,
const GParamSpec *pspec,
PikaImage *image)
{
GList *channels = pika_image_get_selected_channels (image);
g_signal_emit (image, pika_image_signals[SELECTED_CHANNELS_CHANGED], 0);
if (channels && pika_image_get_selected_layers (image))
pika_image_set_selected_layers (image, NULL);
}
static void
pika_image_selected_vectors_notify (PikaItemTree *tree,
const GParamSpec *pspec,
PikaImage *image)
{
g_signal_emit (image, pika_image_signals[SELECTED_VECTORS_CHANGED], 0);
}
static void
pika_image_freeze_bounding_box (PikaImage *image)
{
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
private->bounding_box_freeze_count++;
}
static void
pika_image_thaw_bounding_box (PikaImage *image)
{
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
private->bounding_box_freeze_count--;
if (private->bounding_box_freeze_count == 0 &&
private->bounding_box_update_pending)
{
private->bounding_box_update_pending = FALSE;
pika_image_update_bounding_box (image);
}
}
static void
pika_image_update_bounding_box (PikaImage *image)
{
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
GeglRectangle bounding_box;
if (private->bounding_box_freeze_count > 0)
{
private->bounding_box_update_pending = TRUE;
return;
}
bounding_box.x = 0;
bounding_box.y = 0;
bounding_box.width = pika_image_get_width (image);
bounding_box.height = pika_image_get_height (image);
if (private->show_all)
{
GList *iter;
for (iter = pika_image_get_layer_iter (image);
iter;
iter = g_list_next (iter))
{
PikaLayer *layer = iter->data;
GeglRectangle layer_bounding_box;
gint offset_x;
gint offset_y;
pika_item_get_offset (PIKA_ITEM (layer), &offset_x, &offset_y);
layer_bounding_box = pika_drawable_get_bounding_box (
PIKA_DRAWABLE (layer));
layer_bounding_box.x += offset_x;
layer_bounding_box.y += offset_y;
gegl_rectangle_bounding_box (&bounding_box,
&bounding_box, &layer_bounding_box);
}
}
if (! gegl_rectangle_equal (&bounding_box, &private->bounding_box))
{
private->bounding_box = bounding_box;
pika_projectable_bounds_changed (PIKA_PROJECTABLE (image), 0, 0);
}
}
static gint
pika_image_layer_stack_cmp (GList *layers1,
GList *layers2)
{
if (g_list_length (layers1) != g_list_length (layers2))
{
/* We don't really need to order lists of layers, and only care
* about identity.
*/
return 1;
}
else
{
GList *iter;
for (iter = layers1; iter; iter = iter->next)
{
if (! g_list_find (layers2, iter->data))
return 1;
}
return 0;
}
}
/**
* pika_image_rec_remove_layer_stack_dups:
* @image:
*
* Recursively remove duplicates from the layer stack. You should not
* call this directly, call pika_image_clean_layer_stack() instead.
*/
static void
pika_image_rec_remove_layer_stack_dups (PikaImage *image,
GSList *start)
{
PikaImagePrivate *private;
GSList *dup_layers;
g_return_if_fail (PIKA_IS_IMAGE (image));
private = PIKA_IMAGE_GET_PRIVATE (image);
if (start == NULL || start->next == NULL)
return;
while ((dup_layers = g_slist_find_custom (start->next, start->data,
(GCompareFunc) pika_image_layer_stack_cmp)))
{
g_list_free (dup_layers->data);
/* We can safely remove the duplicate then search again because we
* know that @start is never removed as we search after it.
*/
private->layer_stack = g_slist_delete_link (private->layer_stack,
dup_layers);
}
pika_image_rec_remove_layer_stack_dups (image, start->next);
}
/**
* pika_image_clean_layer_stack:
* @image:
*
* Remove any duplicate and empty selections in the layer stack.
*/
static void
pika_image_clean_layer_stack (PikaImage *image)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
private = PIKA_IMAGE_GET_PRIVATE (image);
/* First remove all empty layer lists. */
private->layer_stack = g_slist_remove_all (private->layer_stack, NULL);
/* Then remove all duplicates. */
pika_image_rec_remove_layer_stack_dups (image, private->layer_stack);
}
static void
pika_image_remove_from_layer_stack (PikaImage *image,
PikaLayer *layer)
{
PikaImagePrivate *private;
GSList *slist;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_LAYER (layer));
private = PIKA_IMAGE_GET_PRIVATE (image);
/* Remove layer itself from the MRU layer stack. */
for (slist = private->layer_stack; slist; slist = slist->next)
slist->data = g_list_remove (slist->data, layer);
/* Also remove all children of a group layer from the layer_stack */
if (pika_viewable_get_children (PIKA_VIEWABLE (layer)))
{
PikaContainer *stack = pika_viewable_get_children (PIKA_VIEWABLE (layer));
GList *children;
GList *list;
children = pika_item_stack_get_item_list (PIKA_ITEM_STACK (stack));
for (list = children; list; list = g_list_next (list))
{
PikaLayer *child = list->data;
for (slist = private->layer_stack; slist; slist = slist->next)
slist->data = g_list_remove (slist->data, child);
}
g_list_free (children);
}
pika_image_clean_layer_stack (image);
}
static gint
pika_image_selected_is_descendant (PikaViewable *selected,
PikaViewable *viewable)
{
/* Used as a GCompareFunc to g_list_find_custom() in order to know if
* one of the selected items is a descendant to @viewable.
*/
if (pika_viewable_is_ancestor (viewable, selected))
return 0;
else
return 1;
}
/* public functions */
PikaImage *
pika_image_new (Pika *pika,
gint width,
gint height,
PikaImageBaseType base_type,
PikaPrecision precision)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
g_return_val_if_fail (pika_babl_is_valid (base_type, precision), NULL);
return g_object_new (PIKA_TYPE_IMAGE,
"pika", pika,
"width", width,
"height", height,
"base-type", base_type,
"precision", precision,
NULL);
}
gint64
pika_image_estimate_memsize (PikaImage *image,
PikaComponentType component_type,
gint width,
gint height)
{
GList *drawables;
GList *list;
gint current_width;
gint current_height;
gint64 current_size;
gint64 scalable_size = 0;
gint64 scaled_size = 0;
gint64 new_size;
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
current_width = pika_image_get_width (image);
current_height = pika_image_get_height (image);
current_size = pika_object_get_memsize (PIKA_OBJECT (image), NULL);
/* the part of the image's memsize that scales linearly with the image */
drawables = pika_image_item_list_get_list (image,
PIKA_ITEM_TYPE_LAYERS |
PIKA_ITEM_TYPE_CHANNELS,
PIKA_ITEM_SET_ALL);
pika_image_item_list_filter (drawables);
drawables = g_list_prepend (drawables, pika_image_get_mask (image));
for (list = drawables; list; list = g_list_next (list))
{
PikaDrawable *drawable = list->data;
gdouble drawable_width;
gdouble drawable_height;
drawable_width = pika_item_get_width (PIKA_ITEM (drawable));
drawable_height = pika_item_get_height (PIKA_ITEM (drawable));
scalable_size += pika_drawable_estimate_memsize (drawable,
pika_drawable_get_component_type (drawable),
drawable_width,
drawable_height);
scaled_size += pika_drawable_estimate_memsize (drawable,
component_type,
drawable_width * width /
current_width,
drawable_height * height /
current_height);
}
g_list_free (drawables);
scalable_size +=
pika_projection_estimate_memsize (pika_image_get_base_type (image),
pika_image_get_component_type (image),
pika_image_get_width (image),
pika_image_get_height (image));
scaled_size +=
pika_projection_estimate_memsize (pika_image_get_base_type (image),
component_type,
width, height);
PIKA_LOG (IMAGE_SCALE,
"scalable_size = %"G_GINT64_FORMAT" scaled_size = %"G_GINT64_FORMAT,
scalable_size, scaled_size);
new_size = current_size - scalable_size + scaled_size;
return new_size;
}
PikaImageBaseType
pika_image_get_base_type (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), -1);
return PIKA_IMAGE_GET_PRIVATE (image)->base_type;
}
PikaComponentType
pika_image_get_component_type (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), -1);
return pika_babl_component_type (PIKA_IMAGE_GET_PRIVATE (image)->precision);
}
PikaPrecision
pika_image_get_precision (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), -1);
return PIKA_IMAGE_GET_PRIVATE (image)->precision;
}
const Babl *
pika_image_get_format (PikaImage *image,
PikaImageBaseType base_type,
PikaPrecision precision,
gboolean with_alpha,
const Babl *space)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
switch (base_type)
{
case PIKA_RGB:
case PIKA_GRAY:
return pika_babl_format (base_type, precision, with_alpha, space);
case PIKA_INDEXED:
if (precision == PIKA_PRECISION_U8_NON_LINEAR)
{
if (with_alpha)
return pika_image_colormap_get_rgba_format (image);
else
return pika_image_colormap_get_rgb_format (image);
}
}
g_return_val_if_reached (NULL);
}
const Babl *
pika_image_get_layer_space (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->layer_space;
}
const Babl *
pika_image_get_layer_format (PikaImage *image,
gboolean with_alpha)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return pika_image_get_format (image,
pika_image_get_base_type (image),
pika_image_get_precision (image),
with_alpha,
pika_image_get_layer_space (image));
}
const Babl *
pika_image_get_channel_format (PikaImage *image)
{
PikaPrecision precision;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
precision = pika_image_get_precision (image);
if (precision == PIKA_PRECISION_U8_NON_LINEAR)
return pika_image_get_format (image, PIKA_GRAY,
pika_image_get_precision (image),
FALSE, NULL);
return pika_babl_mask_format (precision);
}
const Babl *
pika_image_get_mask_format (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return pika_babl_mask_format (pika_image_get_precision (image));
}
PikaLayerMode
pika_image_get_default_new_layer_mode (PikaImage *image)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), PIKA_LAYER_MODE_NORMAL);
private = PIKA_IMAGE_GET_PRIVATE (image);
if (private->new_layer_mode == -1)
{
GList *layers = pika_image_get_layer_list (image);
if (layers)
{
GList *list;
for (list = layers; list; list = g_list_next (list))
{
PikaLayer *layer = list->data;
PikaLayerMode mode = pika_layer_get_mode (layer);
if (! pika_layer_mode_is_legacy (mode))
{
/* any non-legacy layer switches the mode to non-legacy
*/
private->new_layer_mode = PIKA_LAYER_MODE_NORMAL;
break;
}
}
/* only if all layers are legacy, the mode is also legacy
*/
if (! list)
private->new_layer_mode = PIKA_LAYER_MODE_NORMAL_LEGACY;
g_list_free (layers);
}
else
{
/* empty images are never considered legacy
*/
private->new_layer_mode = PIKA_LAYER_MODE_NORMAL;
}
}
return private->new_layer_mode;
}
void
pika_image_unset_default_new_layer_mode (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
PIKA_IMAGE_GET_PRIVATE (image)->new_layer_mode = -1;
}
gint
pika_image_get_id (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), -1);
return PIKA_IMAGE_GET_PRIVATE (image)->ID;
}
PikaImage *
pika_image_get_by_id (Pika *pika,
gint image_id)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
if (pika->image_table == NULL)
return NULL;
return (PikaImage *) pika_id_table_lookup (pika->image_table, image_id);
}
void
pika_image_set_file (PikaImage *image,
GFile *file)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (file == NULL || G_IS_FILE (file));
private = PIKA_IMAGE_GET_PRIVATE (image);
if (private->file != file)
{
pika_object_take_name (PIKA_OBJECT (image),
file ? g_file_get_uri (file) : NULL);
}
}
/**
* pika_image_get_untitled_file:
*
* Returns: A #GFile saying "Untitled" for newly created images.
**/
GFile *
pika_image_get_untitled_file (PikaImage *image)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
if (! private->untitled_file)
private->untitled_file = g_file_new_for_uri (_("Untitled"));
return private->untitled_file;
}
/**
* pika_image_get_file_or_untitled:
* @image: A #PikaImage.
*
* Get the file of the XCF image, or the "Untitled" file if there is no file.
*
* Returns: A #GFile.
**/
GFile *
pika_image_get_file_or_untitled (PikaImage *image)
{
GFile *file;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
file = pika_image_get_file (image);
if (! file)
file = pika_image_get_untitled_file (image);
return file;
}
/**
* pika_image_get_file:
* @image: A #PikaImage.
*
* Get the file of the XCF image, or %NULL if there is no file.
*
* Returns: (nullable): The file, or %NULL.
**/
GFile *
pika_image_get_file (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->file;
}
/**
* pika_image_get_imported_file:
* @image: A #PikaImage.
*
* Returns: (nullable): The file of the imported image, or %NULL if the image
* has been saved as XCF after it was imported.
**/
GFile *
pika_image_get_imported_file (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->imported_file;
}
/**
* pika_image_get_exported_file:
* @image: A #PikaImage.
*
* Returns: (nullable): The file of the image last exported from this XCF file,
* or %NULL if the image has never been exported.
**/
GFile *
pika_image_get_exported_file (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->exported_file;
}
/**
* pika_image_get_save_a_copy_file:
* @image: A #PikaImage.
*
* Returns: The URI of the last copy that was saved of this XCF file.
**/
GFile *
pika_image_get_save_a_copy_file (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->save_a_copy_file;
}
/**
* pika_image_get_any_file:
* @image: A #PikaImage.
*
* Returns: The XCF file, the imported file, or the exported file, in
* that order of precedence.
**/
GFile *
pika_image_get_any_file (PikaImage *image)
{
GFile *file;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
file = pika_image_get_file (image);
if (! file)
{
file = pika_image_get_imported_file (image);
if (! file)
{
file = pika_image_get_exported_file (image);
}
}
return file;
}
/**
* pika_image_set_imported_uri:
* @image: A #PikaImage.
* @file:
*
* Sets the URI this file was imported from.
**/
void
pika_image_set_imported_file (PikaImage *image,
GFile *file)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (file == NULL || G_IS_FILE (file));
private = PIKA_IMAGE_GET_PRIVATE (image);
if (g_set_object (&private->imported_file, file))
{
pika_object_name_changed (PIKA_OBJECT (image));
}
if (! private->resolution_set && file != NULL)
{
/* Unlike new files (which follow technological progress and will
* use higher default resolution, or explicitly chosen templates),
* imported files have a more backward-compatible value.
*
* 72 PPI is traditionally the default value when none other had
* been explicitly set (for instance it is the default when no
* resolution metadata was set in Exif version 2.32, and below,
* standard). This historical value will only ever apply to loaded
* images. New images will continue having more modern or
* templated defaults.
*/
private->xresolution = 72.0;
private->yresolution = 72.0;
private->resolution_unit = PIKA_UNIT_INCH;
}
}
/**
* pika_image_set_exported_file:
* @image: A #PikaImage.
* @file:
*
* Sets the file this image was last exported to. Note that saving as
* XCF is not "exporting".
**/
void
pika_image_set_exported_file (PikaImage *image,
GFile *file)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (file == NULL || G_IS_FILE (file));
private = PIKA_IMAGE_GET_PRIVATE (image);
if (g_set_object (&private->exported_file, file))
{
pika_object_name_changed (PIKA_OBJECT (image));
}
}
/**
* pika_image_set_save_a_copy_file:
* @image: A #PikaImage.
* @uri:
*
* Set the URI to the last copy this XCF file was saved to through the
* "save a copy" action.
**/
void
pika_image_set_save_a_copy_file (PikaImage *image,
GFile *file)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (file == NULL || G_IS_FILE (file));
private = PIKA_IMAGE_GET_PRIVATE (image);
g_set_object (&private->save_a_copy_file, file);
}
static gchar *
pika_image_format_display_uri (PikaImage *image,
gboolean basename)
{
const gchar *uri_format = NULL;
const gchar *export_status = NULL;
GFile *file = NULL;
GFile *source = NULL;
GFile *dest = NULL;
GFile *display_file = NULL;
gboolean is_imported;
gboolean is_exported;
gchar *display_uri = NULL;
gchar *format_string;
gchar *tmp;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
file = pika_image_get_file (image);
source = pika_image_get_imported_file (image);
dest = pika_image_get_exported_file (image);
is_imported = (source != NULL);
is_exported = (dest != NULL);
if (file)
{
display_file = g_object_ref (file);
uri_format = "%s";
}
else
{
if (is_imported)
display_file = source;
/* Calculate filename suffix */
if (! pika_image_is_export_dirty (image))
{
if (is_exported)
{
display_file = dest;
export_status = _(" (exported)");
}
else if (is_imported)
{
export_status = _(" (overwritten)");
}
else
{
g_warning ("Unexpected code path, Save+export implementation is buggy!");
}
}
else if (is_imported)
{
export_status = _(" (imported)");
}
if (display_file)
display_file = pika_file_with_new_extension (display_file, NULL);
uri_format = "[%s]";
}
if (! display_file)
display_file = g_object_ref (pika_image_get_untitled_file (image));
if (basename)
display_uri = g_path_get_basename (pika_file_get_utf8_name (display_file));
else
display_uri = g_strdup (pika_file_get_utf8_name (display_file));
g_object_unref (display_file);
format_string = g_strconcat (uri_format, export_status, NULL);
tmp = g_strdup_printf (format_string, display_uri);
g_free (display_uri);
display_uri = tmp;
g_free (format_string);
return display_uri;
}
const gchar *
pika_image_get_display_name (PikaImage *image)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
if (! private->display_name)
private->display_name = pika_image_format_display_uri (image, TRUE);
return private->display_name;
}
const gchar *
pika_image_get_display_path (PikaImage *image)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
if (! private->display_path)
private->display_path = pika_image_format_display_uri (image, FALSE);
return private->display_path;
}
void
pika_image_set_load_proc (PikaImage *image,
PikaPlugInProcedure *proc)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
PIKA_IMAGE_GET_PRIVATE (image)->load_proc = proc;
}
PikaPlugInProcedure *
pika_image_get_load_proc (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->load_proc;
}
void
pika_image_set_save_proc (PikaImage *image,
PikaPlugInProcedure *proc)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
PIKA_IMAGE_GET_PRIVATE (image)->save_proc = proc;
}
PikaPlugInProcedure *
pika_image_get_save_proc (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->save_proc;
}
void
pika_image_set_export_proc (PikaImage *image,
PikaPlugInProcedure *proc)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
PIKA_IMAGE_GET_PRIVATE (image)->export_proc = proc;
}
PikaPlugInProcedure *
pika_image_get_export_proc (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->export_proc;
}
gint
pika_image_get_xcf_version (PikaImage *image,
gboolean zlib_compression,
gint *pika_version,
const gchar **version_string,
gchar **version_reason)
{
GList *items;
GList *list;
GList *reasons = NULL;
gint version = 0; /* default to oldest */
const gchar *enum_desc;
#define ADD_REASON(_reason) \
if (version_reason) { \
gchar *tmp = _reason; \
if (g_list_find_custom (reasons, tmp, (GCompareFunc) strcmp)) \
g_free (tmp); \
else \
reasons = g_list_prepend (reasons, tmp); }
/* need version 1 for colormaps */
if (pika_image_get_colormap_palette (image))
version = 1;
items = pika_image_get_layer_list (image);
for (list = items; list; list = g_list_next (list))
{
PikaLayer *layer = PIKA_LAYER (list->data);
switch (pika_layer_get_mode (layer))
{
/* Modes that exist since ancient times */
case PIKA_LAYER_MODE_NORMAL_LEGACY:
case PIKA_LAYER_MODE_DISSOLVE:
case PIKA_LAYER_MODE_BEHIND_LEGACY:
case PIKA_LAYER_MODE_MULTIPLY_LEGACY:
case PIKA_LAYER_MODE_SCREEN_LEGACY:
case PIKA_LAYER_MODE_OVERLAY_LEGACY:
case PIKA_LAYER_MODE_DIFFERENCE_LEGACY:
case PIKA_LAYER_MODE_ADDITION_LEGACY:
case PIKA_LAYER_MODE_SUBTRACT_LEGACY:
case PIKA_LAYER_MODE_DARKEN_ONLY_LEGACY:
case PIKA_LAYER_MODE_LIGHTEN_ONLY_LEGACY:
case PIKA_LAYER_MODE_HSV_HUE_LEGACY:
case PIKA_LAYER_MODE_HSV_SATURATION_LEGACY:
case PIKA_LAYER_MODE_HSL_COLOR_LEGACY:
case PIKA_LAYER_MODE_HSV_VALUE_LEGACY:
case PIKA_LAYER_MODE_DIVIDE_LEGACY:
case PIKA_LAYER_MODE_DODGE_LEGACY:
case PIKA_LAYER_MODE_BURN_LEGACY:
case PIKA_LAYER_MODE_HARDLIGHT_LEGACY:
break;
/* Since 2.6 */
case PIKA_LAYER_MODE_SOFTLIGHT_LEGACY:
case PIKA_LAYER_MODE_GRAIN_EXTRACT_LEGACY:
case PIKA_LAYER_MODE_GRAIN_MERGE_LEGACY:
case PIKA_LAYER_MODE_COLOR_ERASE_LEGACY:
pika_enum_get_value (PIKA_TYPE_LAYER_MODE,
pika_layer_get_mode (layer),
NULL, NULL, &enum_desc, NULL);
ADD_REASON (g_strdup_printf (_("Layer mode '%s' was added in %s"),
enum_desc, "PIKA 2.6"));
version = MAX (2, version);
break;
/* Since 2.10 */
case PIKA_LAYER_MODE_OVERLAY:
case PIKA_LAYER_MODE_LCH_HUE:
case PIKA_LAYER_MODE_LCH_CHROMA:
case PIKA_LAYER_MODE_LCH_COLOR:
case PIKA_LAYER_MODE_LCH_LIGHTNESS:
pika_enum_get_value (PIKA_TYPE_LAYER_MODE,
pika_layer_get_mode (layer),
NULL, NULL, &enum_desc, NULL);
ADD_REASON (g_strdup_printf (_("Layer mode '%s' was added in %s"),
enum_desc, "PIKA 2.10"));
version = MAX (9, version);
break;
/* Since 2.10 */
case PIKA_LAYER_MODE_NORMAL:
case PIKA_LAYER_MODE_BEHIND:
case PIKA_LAYER_MODE_MULTIPLY:
case PIKA_LAYER_MODE_SCREEN:
case PIKA_LAYER_MODE_DIFFERENCE:
case PIKA_LAYER_MODE_ADDITION:
case PIKA_LAYER_MODE_SUBTRACT:
case PIKA_LAYER_MODE_DARKEN_ONLY:
case PIKA_LAYER_MODE_LIGHTEN_ONLY:
case PIKA_LAYER_MODE_HSV_HUE:
case PIKA_LAYER_MODE_HSV_SATURATION:
case PIKA_LAYER_MODE_HSL_COLOR:
case PIKA_LAYER_MODE_HSV_VALUE:
case PIKA_LAYER_MODE_DIVIDE:
case PIKA_LAYER_MODE_DODGE:
case PIKA_LAYER_MODE_BURN:
case PIKA_LAYER_MODE_HARDLIGHT:
case PIKA_LAYER_MODE_SOFTLIGHT:
case PIKA_LAYER_MODE_GRAIN_EXTRACT:
case PIKA_LAYER_MODE_GRAIN_MERGE:
case PIKA_LAYER_MODE_VIVID_LIGHT:
case PIKA_LAYER_MODE_PIN_LIGHT:
case PIKA_LAYER_MODE_LINEAR_LIGHT:
case PIKA_LAYER_MODE_HARD_MIX:
case PIKA_LAYER_MODE_EXCLUSION:
case PIKA_LAYER_MODE_LINEAR_BURN:
case PIKA_LAYER_MODE_LUMA_DARKEN_ONLY:
case PIKA_LAYER_MODE_LUMA_LIGHTEN_ONLY:
case PIKA_LAYER_MODE_LUMINANCE:
case PIKA_LAYER_MODE_COLOR_ERASE:
case PIKA_LAYER_MODE_ERASE:
case PIKA_LAYER_MODE_MERGE:
case PIKA_LAYER_MODE_SPLIT:
case PIKA_LAYER_MODE_PASS_THROUGH:
pika_enum_get_value (PIKA_TYPE_LAYER_MODE,
pika_layer_get_mode (layer),
NULL, NULL, &enum_desc, NULL);
ADD_REASON (g_strdup_printf (_("Layer mode '%s' was added in %s"),
enum_desc, "PIKA 2.10"));
version = MAX (10, version);
break;
/* Just here instead of default so we get compiler warnings */
case PIKA_LAYER_MODE_REPLACE:
case PIKA_LAYER_MODE_ANTI_ERASE:
case PIKA_LAYER_MODE_SEPARATOR:
break;
}
/* need version 3 for layer trees */
if (pika_viewable_get_children (PIKA_VIEWABLE (layer)))
{
ADD_REASON (g_strdup_printf (_("Layer groups were added in %s"),
"PIKA 2.8"));
version = MAX (3, version);
/* need version 13 for group layers with masks */
if (pika_layer_get_mask (layer))
{
ADD_REASON (g_strdup_printf (_("Masks on layer groups were "
"added in %s"), "PIKA 2.10"));
version = MAX (13, version);
}
if (pika_item_get_lock_position (PIKA_ITEM (layer)))
{
ADD_REASON (g_strdup_printf (_("Position locks on layer groups were added in %s"),
"PIKA 3.0"));
version = MAX (17, version);
}
if (pika_layer_get_lock_alpha (layer))
{
ADD_REASON (g_strdup_printf (_("Alpha channel locks on layer groups were added in %s"),
"PIKA 3.0"));
version = MAX (17, version);
}
}
if (pika_item_get_lock_visibility (PIKA_ITEM (layer)))
{
ADD_REASON (g_strdup_printf (_("Visibility locks were added in %s"),
"PIKA 3.0"));
version = MAX (17, version);
}
if (PIKA_IS_TEXT_LAYER (layer) &&
/* If we loaded an old XCF and didn't touch the text layers, then we
* just resave the text layer as-is. No need to bump the XCF version.
*/
! PIKA_TEXT_LAYER (layer)->text_parasite_is_old)
{
ADD_REASON (g_strdup_printf (_("Format of font information in text layer was changed in %s"),
"PIKA 3.0"));
version = MAX (19, version);
}
}
g_list_free (items);
items = pika_image_get_channel_list (image);
for (list = items; list; list = g_list_next (list))
{
PikaChannel *channel = PIKA_CHANNEL (list->data);
if (pika_item_get_lock_visibility (PIKA_ITEM (channel)))
{
ADD_REASON (g_strdup_printf (_("Visibility locks were added in %s"),
"PIKA 3.0"));
version = MAX (17, version);
}
}
g_list_free (items);
if (g_list_length (pika_image_get_selected_vectors (image)) > 1)
{
ADD_REASON (g_strdup_printf (_("Multiple path selection was "
"added in %s"), "PIKA 3.0.0"));
version = MAX (18, version);
}
items = pika_image_get_vectors_list (image);
for (list = items; list; list = g_list_next (list))
{
PikaVectors *vectors = PIKA_VECTORS (list->data);
if (pika_item_get_color_tag (PIKA_ITEM (vectors)) != PIKA_COLOR_TAG_NONE)
{
ADD_REASON (g_strdup_printf (_("Storing color tags in path was "
"added in %s"), "PIKA 3.0.0"));
version = MAX (18, version);
}
if (pika_item_get_lock_content (PIKA_ITEM (list->data)) ||
pika_item_get_lock_position (PIKA_ITEM (list->data)))
{
ADD_REASON (g_strdup_printf (_("Storing locks in path was "
"added in %s"), "PIKA 3.0.0"));
version = MAX (18, version);
}
}
g_list_free (items);
/* version 6 for new metadata has been dropped since they are
* saved through parasites, which is compatible with older versions.
*/
/* need version 7 for != 8-bit gamma images */
if (pika_image_get_precision (image) != PIKA_PRECISION_U8_NON_LINEAR)
{
ADD_REASON (g_strdup_printf (_("High bit-depth images were added "
"in %s"), "PIKA 2.10"));
version = MAX (7, version);
}
/* need version 12 for > 8-bit images for proper endian swapping */
if (pika_image_get_component_type (image) > PIKA_COMPONENT_TYPE_U8)
{
ADD_REASON (g_strdup_printf (_("Encoding of high bit-depth images was "
"fixed in %s"), "PIKA 2.10"));
version = MAX (12, version);
}
/* need version 8 for zlib compression */
if (zlib_compression)
{
ADD_REASON (g_strdup_printf (_("Internal zlib compression was "
"added in %s"), "PIKA 2.10"));
version = MAX (8, version);
}
/* if version is 10 (lots of new layer modes), go to version 11 with
* 64 bit offsets right away
*/
if (version == 10)
version = 11;
/* use the image's in-memory size as an upper bound to estimate the
* need for 64 bit file offsets inside the XCF, this is a *very*
* conservative estimate and should never fail
*/
if (pika_object_get_memsize (PIKA_OBJECT (image), NULL) >= ((gint64) 1 << 32))
{
ADD_REASON (g_strdup_printf (_("Support for image files larger than "
"4GB was added in %s"), "PIKA 2.10"));
version = MAX (11, version);
}
if (g_list_length (pika_image_get_selected_layers (image)) > 1)
{
ADD_REASON (g_strdup_printf (_("Multiple layer selection was "
"added in %s"), "PIKA 3.0.0"));
version = MAX (14, version);
}
if ((list = pika_image_get_guides (image)))
{
for (; list; list = g_list_next (list))
{
gint32 position = pika_guide_get_position (list->data);
if (position < 0 ||
(pika_guide_get_orientation (list->data) == PIKA_ORIENTATION_HORIZONTAL &&
position > pika_image_get_height (image)) ||
(pika_guide_get_orientation (list->data) == PIKA_ORIENTATION_VERTICAL &&
position > pika_image_get_width (image)))
{
ADD_REASON (g_strdup_printf (_("Off-canvas guides "
"added in %s"), "PIKA 3.0.0"));
version = MAX (15, version);
break;
}
}
}
if (pika_image_get_stored_item_sets (image, PIKA_TYPE_LAYER) ||
pika_image_get_stored_item_sets (image, PIKA_TYPE_CHANNEL))
{
ADD_REASON (g_strdup_printf (_("Item set and pattern search in item's name were "
"added in %s"), "PIKA 3.0.0"));
version = MAX (16, version);
}
if (g_list_length (pika_image_get_selected_channels (image)) > 1)
{
ADD_REASON (g_strdup_printf (_("Multiple channel selection was "
"added in %s"), "PIKA 3.0.0"));
version = MAX (16, version);
}
#undef ADD_REASON
switch (version)
{
case 0:
case 1:
case 2:
if (pika_version) *pika_version = 206;
if (version_string) *version_string = "PIKA 2.6";
break;
case 3:
if (pika_version) *pika_version = 208;
if (version_string) *version_string = "PIKA 2.8";
break;
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
if (pika_version) *pika_version = 210;
if (version_string) *version_string = "PIKA 2.10";
break;
case 14:
case 15:
case 16:
case 17:
case 18:
case 19:
if (pika_version) *pika_version = 300;
if (version_string) *version_string = "PIKA 3.0";
break;
}
if (version_reason && reasons)
{
GString *reason = g_string_new (NULL);
reasons = g_list_sort (reasons, (GCompareFunc) strcmp);
for (list = reasons; list; list = g_list_next (list))
{
g_string_append (reason, list->data);
if (g_list_next (list))
g_string_append_c (reason, '\n');
}
*version_reason = g_string_free (reason, FALSE);
}
if (reasons)
g_list_free_full (reasons, g_free);
return version;
}
void
pika_image_set_xcf_compression (PikaImage *image,
gboolean compression)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
PIKA_IMAGE_GET_PRIVATE (image)->xcf_compression = compression;
}
gboolean
pika_image_get_xcf_compression (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
return PIKA_IMAGE_GET_PRIVATE (image)->xcf_compression;
}
void
pika_image_set_resolution (PikaImage *image,
gdouble xresolution,
gdouble yresolution)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
private = PIKA_IMAGE_GET_PRIVATE (image);
/* don't allow to set the resolution out of bounds */
if (xresolution < PIKA_MIN_RESOLUTION || xresolution > PIKA_MAX_RESOLUTION ||
yresolution < PIKA_MIN_RESOLUTION || yresolution > PIKA_MAX_RESOLUTION)
return;
private->resolution_set = TRUE;
if ((ABS (private->xresolution - xresolution) >= 1e-5) ||
(ABS (private->yresolution - yresolution) >= 1e-5))
{
pika_image_undo_push_image_resolution (image,
C_("undo-type", "Change Image Resolution"));
private->xresolution = xresolution;
private->yresolution = yresolution;
pika_image_resolution_changed (image);
pika_image_size_changed_detailed (image,
0,
0,
pika_image_get_width (image),
pika_image_get_height (image));
}
}
void
pika_image_get_resolution (PikaImage *image,
gdouble *xresolution,
gdouble *yresolution)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (xresolution != NULL && yresolution != NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
*xresolution = private->xresolution;
*yresolution = private->yresolution;
}
void
pika_image_resolution_changed (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_signal_emit (image, pika_image_signals[RESOLUTION_CHANGED], 0);
}
void
pika_image_set_unit (PikaImage *image,
PikaUnit unit)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (unit > PIKA_UNIT_PIXEL);
private = PIKA_IMAGE_GET_PRIVATE (image);
if (private->resolution_unit != unit)
{
pika_image_undo_push_image_resolution (image,
C_("undo-type", "Change Image Unit"));
private->resolution_unit = unit;
pika_image_unit_changed (image);
}
}
PikaUnit
pika_image_get_unit (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), PIKA_UNIT_INCH);
return PIKA_IMAGE_GET_PRIVATE (image)->resolution_unit;
}
void
pika_image_unit_changed (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_signal_emit (image, pika_image_signals[UNIT_CHANGED], 0);
}
gint
pika_image_get_width (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
return PIKA_IMAGE_GET_PRIVATE (image)->width;
}
gint
pika_image_get_height (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
return PIKA_IMAGE_GET_PRIVATE (image)->height;
}
gboolean
pika_image_has_alpha (PikaImage *image)
{
PikaImagePrivate *private;
PikaLayer *layer;
g_return_val_if_fail (PIKA_IS_IMAGE (image), TRUE);
private = PIKA_IMAGE_GET_PRIVATE (image);
layer = PIKA_LAYER (pika_container_get_first_child (private->layers->container));
return ((pika_image_get_n_layers (image) > 1) ||
(layer && pika_drawable_has_alpha (PIKA_DRAWABLE (layer))));
}
gboolean
pika_image_is_empty (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), TRUE);
return pika_container_is_empty (PIKA_IMAGE_GET_PRIVATE (image)->layers->container);
}
void
pika_image_set_floating_selection (PikaImage *image,
PikaLayer *floating_sel)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (floating_sel == NULL || PIKA_IS_LAYER (floating_sel));
private = PIKA_IMAGE_GET_PRIVATE (image);
if (private->floating_sel != floating_sel)
{
private->floating_sel = floating_sel;
private->flush_accum.floating_selection_changed = TRUE;
}
}
PikaLayer *
pika_image_get_floating_selection (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->floating_sel;
}
void
pika_image_floating_selection_changed (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_signal_emit (image, pika_image_signals[FLOATING_SELECTION_CHANGED], 0);
}
PikaChannel *
pika_image_get_mask (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->selection_mask;
}
void
pika_image_mask_changed (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_signal_emit (image, pika_image_signals[MASK_CHANGED], 0);
}
/**
* pika_item_mask_intersect:
* @image: the #PikaImage
* @items: a list of #PikaItem
* @x: (out) (optional): return location for x
* @y: (out) (optional): return location for y
* @width: (out) (optional): return location for the width
* @height: (out) (optional): return location for the height
*
* Intersect the area of the @items and its image's selection mask.
* The computed area is the bounding box of the selection intersection
* within the image. These values are only returned if the function
* returns %TRUE.
*
* Note that even though the items bounding box may not be empty, it is
* possible to get a return value of %FALSE. Imagine disjoint items, one
* on the left, one on the right, and a selection in the middle not
* intersecting with any of the items.
*
* Returns: %TRUE if the selection intersects with any of the @items.
*/
gboolean
pika_image_mask_intersect (PikaImage *image,
GList *items,
gint *x,
gint *y,
gint *width,
gint *height)
{
PikaChannel *selection;
GList *iter;
gint sel_x, sel_y, sel_width, sel_height;
gint x1 = G_MAXINT;
gint y1 = G_MAXINT;
gint x2 = G_MININT;
gint y2 = G_MININT;
gboolean intersect = FALSE;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
for (iter = items; iter; iter = iter->next)
{
g_return_val_if_fail (PIKA_IS_ITEM (iter->data), FALSE);
g_return_val_if_fail (pika_item_is_attached (iter->data), FALSE);
g_return_val_if_fail (pika_item_get_image (iter->data) == image, FALSE);
}
selection = pika_image_get_mask (image);
if (selection)
pika_item_bounds (PIKA_ITEM (selection),
&sel_x, &sel_y, &sel_width, &sel_height);
for (iter = items; iter; iter = iter->next)
{
PikaItem *item = iter->data;
gboolean item_intersect;
gint tmp_x, tmp_y;
gint tmp_width, tmp_height;
pika_item_get_offset (item, &tmp_x, &tmp_y);
/* check for is_empty() before intersecting so we ignore the
* selection if it is suspended (like when stroking)
*/
if (PIKA_ITEM (selection) != item &&
! pika_channel_is_empty (selection))
{
item_intersect = pika_rectangle_intersect (sel_x, sel_y, sel_width, sel_height,
tmp_x, tmp_y,
pika_item_get_width (item),
pika_item_get_height (item),
&tmp_x, &tmp_y,
&tmp_width, &tmp_height);
}
else
{
tmp_width = pika_item_get_width (item);
tmp_height = pika_item_get_height (item);
item_intersect = TRUE;
}
if (item_intersect)
{
x1 = MIN (x1, tmp_x);
y1 = MIN (y1, tmp_y);
x2 = MAX (x2, tmp_x + tmp_width);
y2 = MAX (y2, tmp_y + tmp_height);
intersect = TRUE;
}
}
if (intersect)
{
if (x) *x = x1;
if (y) *y = y1;
if (width) *width = x2 - x1;
if (height) *height = y2 - y1;
}
return intersect;
}
void
pika_image_take_mask (PikaImage *image,
PikaChannel *mask)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_SELECTION (mask));
private = PIKA_IMAGE_GET_PRIVATE (image);
if (private->selection_mask)
g_object_unref (private->selection_mask);
private->selection_mask = g_object_ref_sink (mask);
g_signal_connect (private->selection_mask, "update",
G_CALLBACK (pika_image_mask_update),
image);
}
/* image components */
const Babl *
pika_image_get_component_format (PikaImage *image,
PikaChannelType channel)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
switch (channel)
{
case PIKA_CHANNEL_RED:
return pika_babl_component_format (PIKA_RGB,
pika_image_get_precision (image),
RED);
case PIKA_CHANNEL_GREEN:
return pika_babl_component_format (PIKA_RGB,
pika_image_get_precision (image),
GREEN);
case PIKA_CHANNEL_BLUE:
return pika_babl_component_format (PIKA_RGB,
pika_image_get_precision (image),
BLUE);
case PIKA_CHANNEL_ALPHA:
return pika_babl_component_format (PIKA_RGB,
pika_image_get_precision (image),
ALPHA);
case PIKA_CHANNEL_GRAY:
return pika_babl_component_format (PIKA_GRAY,
pika_image_get_precision (image),
GRAY);
case PIKA_CHANNEL_INDEXED:
return babl_format ("Y u8"); /* will extract grayscale, the best
* we can do here */
}
return NULL;
}
gint
pika_image_get_component_index (PikaImage *image,
PikaChannelType channel)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), -1);
switch (channel)
{
case PIKA_CHANNEL_RED: return RED;
case PIKA_CHANNEL_GREEN: return GREEN;
case PIKA_CHANNEL_BLUE: return BLUE;
case PIKA_CHANNEL_GRAY: return GRAY;
case PIKA_CHANNEL_INDEXED: return INDEXED;
case PIKA_CHANNEL_ALPHA:
switch (pika_image_get_base_type (image))
{
case PIKA_RGB: return ALPHA;
case PIKA_GRAY: return ALPHA_G;
case PIKA_INDEXED: return ALPHA_I;
}
}
return -1;
}
void
pika_image_set_component_active (PikaImage *image,
PikaChannelType channel,
gboolean active)
{
PikaImagePrivate *private;
gint index = -1;
g_return_if_fail (PIKA_IS_IMAGE (image));
private = PIKA_IMAGE_GET_PRIVATE (image);
index = pika_image_get_component_index (image, channel);
if (index != -1 && active != private->active[index])
{
private->active[index] = active ? TRUE : FALSE;
/* If there is an active channel and we mess with the components,
* the active channel gets unset...
*/
pika_image_unset_selected_channels (image);
g_signal_emit (image,
pika_image_signals[COMPONENT_ACTIVE_CHANGED], 0,
channel);
}
}
gboolean
pika_image_get_component_active (PikaImage *image,
PikaChannelType channel)
{
gint index = -1;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
index = pika_image_get_component_index (image, channel);
if (index != -1)
return PIKA_IMAGE_GET_PRIVATE (image)->active[index];
return FALSE;
}
void
pika_image_get_active_array (PikaImage *image,
gboolean *components)
{
PikaImagePrivate *private;
gint i;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (components != NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
for (i = 0; i < MAX_CHANNELS; i++)
components[i] = private->active[i];
}
PikaComponentMask
pika_image_get_active_mask (PikaImage *image)
{
PikaImagePrivate *private;
PikaComponentMask mask = 0;
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
private = PIKA_IMAGE_GET_PRIVATE (image);
switch (pika_image_get_base_type (image))
{
case PIKA_RGB:
mask |= (private->active[RED]) ? PIKA_COMPONENT_MASK_RED : 0;
mask |= (private->active[GREEN]) ? PIKA_COMPONENT_MASK_GREEN : 0;
mask |= (private->active[BLUE]) ? PIKA_COMPONENT_MASK_BLUE : 0;
mask |= (private->active[ALPHA]) ? PIKA_COMPONENT_MASK_ALPHA : 0;
break;
case PIKA_GRAY:
case PIKA_INDEXED:
mask |= (private->active[GRAY]) ? PIKA_COMPONENT_MASK_RED : 0;
mask |= (private->active[GRAY]) ? PIKA_COMPONENT_MASK_GREEN : 0;
mask |= (private->active[GRAY]) ? PIKA_COMPONENT_MASK_BLUE : 0;
mask |= (private->active[ALPHA_G]) ? PIKA_COMPONENT_MASK_ALPHA : 0;
break;
}
return mask;
}
void
pika_image_set_component_visible (PikaImage *image,
PikaChannelType channel,
gboolean visible)
{
PikaImagePrivate *private;
gint index = -1;
g_return_if_fail (PIKA_IS_IMAGE (image));
private = PIKA_IMAGE_GET_PRIVATE (image);
index = pika_image_get_component_index (image, channel);
if (index != -1 && visible != private->visible[index])
{
private->visible[index] = visible ? TRUE : FALSE;
if (private->visible_mask)
{
PikaComponentMask mask;
mask = ~pika_image_get_visible_mask (image) & PIKA_COMPONENT_MASK_ALL;
gegl_node_set (private->visible_mask,
"mask", mask,
NULL);
}
g_signal_emit (image,
pika_image_signals[COMPONENT_VISIBILITY_CHANGED], 0,
channel);
pika_image_invalidate_all (image);
}
}
gboolean
pika_image_get_component_visible (PikaImage *image,
PikaChannelType channel)
{
gint index = -1;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
index = pika_image_get_component_index (image, channel);
if (index != -1)
return PIKA_IMAGE_GET_PRIVATE (image)->visible[index];
return FALSE;
}
void
pika_image_get_visible_array (PikaImage *image,
gboolean *components)
{
PikaImagePrivate *private;
gint i;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (components != NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
for (i = 0; i < MAX_CHANNELS; i++)
components[i] = private->visible[i];
}
PikaComponentMask
pika_image_get_visible_mask (PikaImage *image)
{
PikaImagePrivate *private;
PikaComponentMask mask = 0;
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
private = PIKA_IMAGE_GET_PRIVATE (image);
switch (pika_image_get_base_type (image))
{
case PIKA_RGB:
mask |= (private->visible[RED]) ? PIKA_COMPONENT_MASK_RED : 0;
mask |= (private->visible[GREEN]) ? PIKA_COMPONENT_MASK_GREEN : 0;
mask |= (private->visible[BLUE]) ? PIKA_COMPONENT_MASK_BLUE : 0;
mask |= (private->visible[ALPHA]) ? PIKA_COMPONENT_MASK_ALPHA : 0;
break;
case PIKA_GRAY:
case PIKA_INDEXED:
mask |= (private->visible[GRAY]) ? PIKA_COMPONENT_MASK_RED : 0;
mask |= (private->visible[GRAY]) ? PIKA_COMPONENT_MASK_GREEN : 0;
mask |= (private->visible[GRAY]) ? PIKA_COMPONENT_MASK_BLUE : 0;
mask |= (private->visible[ALPHA]) ? PIKA_COMPONENT_MASK_ALPHA : 0;
break;
}
return mask;
}
/* emitting image signals */
void
pika_image_mode_changed (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_signal_emit (image, pika_image_signals[MODE_CHANGED], 0);
}
void
pika_image_precision_changed (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_signal_emit (image, pika_image_signals[PRECISION_CHANGED], 0);
}
void
pika_image_alpha_changed (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_signal_emit (image, pika_image_signals[ALPHA_CHANGED], 0);
}
void
pika_image_invalidate (PikaImage *image,
gint x,
gint y,
gint width,
gint height)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
pika_projectable_invalidate (PIKA_PROJECTABLE (image),
x, y, width, height);
PIKA_IMAGE_GET_PRIVATE (image)->flush_accum.preview_invalidated = TRUE;
}
void
pika_image_invalidate_all (PikaImage *image)
{
const GeglRectangle *bounding_box;
g_return_if_fail (PIKA_IS_IMAGE (image));
bounding_box = &PIKA_IMAGE_GET_PRIVATE (image)->bounding_box;
pika_image_invalidate (image,
bounding_box->x, bounding_box->y,
bounding_box->width, bounding_box->height);
}
void
pika_image_guide_added (PikaImage *image,
PikaGuide *guide)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_GUIDE (guide));
g_signal_emit (image, pika_image_signals[GUIDE_ADDED], 0,
guide);
}
void
pika_image_guide_removed (PikaImage *image,
PikaGuide *guide)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_GUIDE (guide));
g_signal_emit (image, pika_image_signals[GUIDE_REMOVED], 0,
guide);
}
void
pika_image_guide_moved (PikaImage *image,
PikaGuide *guide)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_GUIDE (guide));
g_signal_emit (image, pika_image_signals[GUIDE_MOVED], 0,
guide);
}
void
pika_image_sample_point_added (PikaImage *image,
PikaSamplePoint *sample_point)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_SAMPLE_POINT (sample_point));
g_signal_emit (image, pika_image_signals[SAMPLE_POINT_ADDED], 0,
sample_point);
}
void
pika_image_sample_point_removed (PikaImage *image,
PikaSamplePoint *sample_point)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_SAMPLE_POINT (sample_point));
g_signal_emit (image, pika_image_signals[SAMPLE_POINT_REMOVED], 0,
sample_point);
}
void
pika_image_sample_point_moved (PikaImage *image,
PikaSamplePoint *sample_point)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_SAMPLE_POINT (sample_point));
g_signal_emit (image, pika_image_signals[SAMPLE_POINT_MOVED], 0,
sample_point);
}
/**
* pika_image_size_changed_detailed:
* @image:
* @previous_origin_x:
* @previous_origin_y:
*
* Emits the size-changed-detailed signal that is typically used to adjust the
* position of the image in the display shell on various operations,
* e.g. crop.
*
* This function makes sure that PikaViewable::size-changed is also emitted.
**/
void
pika_image_size_changed_detailed (PikaImage *image,
gint previous_origin_x,
gint previous_origin_y,
gint previous_width,
gint previous_height)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_signal_emit (image, pika_image_signals[SIZE_CHANGED_DETAILED], 0,
previous_origin_x,
previous_origin_y,
previous_width,
previous_height);
}
void
pika_image_colormap_changed (PikaImage *image,
gint color_index)
{
PikaPalette *palette;
gint n_colors;
g_return_if_fail (PIKA_IS_IMAGE (image));
palette = PIKA_IMAGE_GET_PRIVATE (image)->palette;
n_colors = palette ? pika_palette_get_n_colors (palette) : 0;
g_return_if_fail (color_index >= -1 && color_index < n_colors);
g_signal_emit (image, pika_image_signals[COLORMAP_CHANGED], 0,
color_index);
}
void
pika_image_selection_invalidate (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_signal_emit (image, pika_image_signals[SELECTION_INVALIDATE], 0);
}
void
pika_image_quick_mask_changed (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_signal_emit (image, pika_image_signals[QUICK_MASK_CHANGED], 0);
}
void
pika_image_undo_event (PikaImage *image,
PikaUndoEvent event,
PikaUndo *undo)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (((event == PIKA_UNDO_EVENT_UNDO_FREE ||
event == PIKA_UNDO_EVENT_UNDO_FREEZE ||
event == PIKA_UNDO_EVENT_UNDO_THAW) && undo == NULL) ||
PIKA_IS_UNDO (undo));
g_signal_emit (image, pika_image_signals[UNDO_EVENT], 0, event, undo);
}
/* dirty counters */
/* NOTE about the image->dirty counter:
* If 0, then the image is clean (ie, copy on disk is the same as the one
* in memory).
* If positive, then that's the number of dirtying operations done
* on the image since the last save.
* If negative, then user has hit undo and gone back in time prior
* to the saved copy. Hitting redo will eventually come back to
* the saved copy.
*
* The image is dirty (ie, needs saving) if counter is non-zero.
*
* If the counter is around 100000, this is due to undo-ing back
* before a saved version, then changing the image (thus destroying
* the redo stack). Once this has happened, it's impossible to get
* the image back to the state on disk, since the redo info has been
* freed. See pikaimage-undo.c for the gory details.
*/
/*
* NEVER CALL pika_image_dirty() directly!
*
* If your code has just dirtied the image, push an undo instead.
* Failing that, push the trivial undo which tells the user the
* command is not undoable: undo_push_cantundo() (But really, it would
* be best to push a proper undo). If you just dirty the image
* without pushing an undo then the dirty count is increased, but
* popping that many undo actions won't lead to a clean image.
*/
gint
pika_image_dirty (PikaImage *image,
PikaDirtyMask dirty_mask)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
private = PIKA_IMAGE_GET_PRIVATE (image);
private->dirty++;
private->export_dirty++;
if (! private->dirty_time)
private->dirty_time = time (NULL);
g_signal_emit (image, pika_image_signals[DIRTY], 0, dirty_mask);
TRC (("dirty %d -> %d\n", private->dirty - 1, private->dirty));
return private->dirty;
}
gint
pika_image_clean (PikaImage *image,
PikaDirtyMask dirty_mask)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
private = PIKA_IMAGE_GET_PRIVATE (image);
private->dirty--;
private->export_dirty--;
g_signal_emit (image, pika_image_signals[CLEAN], 0, dirty_mask);
TRC (("clean %d -> %d\n", private->dirty + 1, private->dirty));
return private->dirty;
}
void
pika_image_clean_all (PikaImage *image)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
private = PIKA_IMAGE_GET_PRIVATE (image);
private->dirty = 0;
private->dirty_time = 0;
g_signal_emit (image, pika_image_signals[CLEAN], 0, PIKA_DIRTY_ALL);
pika_object_name_changed (PIKA_OBJECT (image));
}
void
pika_image_export_clean_all (PikaImage *image)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
private = PIKA_IMAGE_GET_PRIVATE (image);
private->export_dirty = 0;
g_signal_emit (image, pika_image_signals[CLEAN], 0, PIKA_DIRTY_ALL);
pika_object_name_changed (PIKA_OBJECT (image));
}
/**
* pika_image_is_dirty:
* @image:
*
* Returns: True if the image is dirty, false otherwise.
**/
gint
pika_image_is_dirty (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
return PIKA_IMAGE_GET_PRIVATE (image)->dirty != 0;
}
/**
* pika_image_is_export_dirty:
* @image:
*
* Returns: True if the image export is dirty, false otherwise.
**/
gboolean
pika_image_is_export_dirty (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
return PIKA_IMAGE_GET_PRIVATE (image)->export_dirty != 0;
}
gint64
pika_image_get_dirty_time (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
return PIKA_IMAGE_GET_PRIVATE (image)->dirty_time;
}
/**
* pika_image_saving:
* @image:
*
* Emits the "saving" signal, indicating that @image is about to be saved,
* or exported.
*/
void
pika_image_saving (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_signal_emit (image, pika_image_signals[SAVING], 0);
}
/**
* pika_image_saved:
* @image:
* @file:
*
* Emits the "saved" signal, indicating that @image was saved to the
* location specified by @file.
*/
void
pika_image_saved (PikaImage *image,
GFile *file)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (G_IS_FILE (file));
g_signal_emit (image, pika_image_signals[SAVED], 0, file);
}
/**
* pika_image_exported:
* @image:
* @file:
*
* Emits the "exported" signal, indicating that @image was exported to the
* location specified by @file.
*/
void
pika_image_exported (PikaImage *image,
GFile *file)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (G_IS_FILE (file));
g_signal_emit (image, pika_image_signals[EXPORTED], 0, file);
}
/* flush this image's displays */
void
pika_image_flush (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
pika_projectable_flush (PIKA_PROJECTABLE (image),
PIKA_IMAGE_GET_PRIVATE (image)->flush_accum.preview_invalidated);
}
/* display / instance counters */
gint
pika_image_get_display_count (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
return PIKA_IMAGE_GET_PRIVATE (image)->disp_count;
}
void
pika_image_inc_display_count (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
PIKA_IMAGE_GET_PRIVATE (image)->disp_count++;
}
void
pika_image_dec_display_count (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
PIKA_IMAGE_GET_PRIVATE (image)->disp_count--;
}
gint
pika_image_get_instance_count (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
return PIKA_IMAGE_GET_PRIVATE (image)->instance_count;
}
void
pika_image_inc_instance_count (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
PIKA_IMAGE_GET_PRIVATE (image)->instance_count++;
}
void
pika_image_inc_show_all_count (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
PIKA_IMAGE_GET_PRIVATE (image)->show_all++;
if (PIKA_IMAGE_GET_PRIVATE (image)->show_all == 1)
{
g_clear_object (&PIKA_IMAGE_GET_PRIVATE (image)->pickable_buffer);
pika_image_update_bounding_box (image);
}
}
void
pika_image_dec_show_all_count (PikaImage *image)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
PIKA_IMAGE_GET_PRIVATE (image)->show_all--;
if (PIKA_IMAGE_GET_PRIVATE (image)->show_all == 0)
{
g_clear_object (&PIKA_IMAGE_GET_PRIVATE (image)->pickable_buffer);
pika_image_update_bounding_box (image);
}
}
/* parasites */
const PikaParasite *
pika_image_parasite_find (PikaImage *image,
const gchar *name)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return pika_parasite_list_find (PIKA_IMAGE_GET_PRIVATE (image)->parasites,
name);
}
static void
list_func (gchar *key,
PikaParasite *p,
gchar ***cur)
{
*(*cur)++ = (gchar *) g_strdup (key);
}
gchar **
pika_image_parasite_list (PikaImage *image)
{
PikaImagePrivate *private;
gint count;
gchar **list;
gchar **cur;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
count = pika_parasite_list_length (private->parasites);
cur = list = g_new0 (gchar *, count + 1);
pika_parasite_list_foreach (private->parasites, (GHFunc) list_func, &cur);
return list;
}
gboolean
pika_image_parasite_validate (PikaImage *image,
const PikaParasite *parasite,
GError **error)
{
const gchar *name;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
g_return_val_if_fail (parasite != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
name = pika_parasite_get_name (parasite);
if (strcmp (name, PIKA_ICC_PROFILE_PARASITE_NAME) == 0 ||
strcmp (name, PIKA_SIMULATION_ICC_PROFILE_PARASITE_NAME) == 0)
{
return pika_image_validate_icc_parasite (image, parasite,
name, NULL, error);
}
else if (strcmp (name, "pika-comment") == 0)
{
const gchar *data;
guint32 length;
gboolean valid = FALSE;
data = pika_parasite_get_data (parasite, &length);
if (length > 0)
{
if (data[length - 1] == '\0')
valid = g_utf8_validate (data, -1, NULL);
else
valid = g_utf8_validate (data, length, NULL);
}
if (! valid)
{
g_set_error (error, PIKA_ERROR, PIKA_FAILED,
_("'pika-comment' parasite validation failed: "
"comment contains invalid UTF-8"));
return FALSE;
}
}
return TRUE;
}
void
pika_image_parasite_attach (PikaImage *image,
const PikaParasite *parasite,
gboolean push_undo)
{
PikaImagePrivate *private;
PikaParasite copy;
const gchar *name;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (parasite != NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
name = pika_parasite_get_name (parasite);
/* this is so ugly and is only for the PDB */
if (strcmp (name, PIKA_ICC_PROFILE_PARASITE_NAME) == 0 ||
strcmp (name, PIKA_SIMULATION_ICC_PROFILE_PARASITE_NAME) == 0)
{
PikaColorProfile *profile;
PikaColorProfile *builtin;
const guint8 *parasite_data;
guint32 parasite_length;
parasite_data = pika_parasite_get_data (parasite, &parasite_length);
profile =
pika_color_profile_new_from_icc_profile (parasite_data, parasite_length,
NULL);
builtin = pika_image_get_builtin_color_profile (image);
if (pika_color_profile_is_equal (profile, builtin))
{
/* setting the builtin profile is equal to removing the profile */
pika_image_parasite_detach (image, PIKA_ICC_PROFILE_PARASITE_NAME,
push_undo);
g_object_unref (profile);
return;
}
g_object_unref (profile);
}
/* make a temporary copy of the PikaParasite struct because
* pika_parasite_shift_parent() changes it
*/
copy = *parasite;
/* only set the dirty bit manually if we can be saved and the new
* parasite differs from the current one and we aren't undoable
*/
if (push_undo && pika_parasite_is_undoable (&copy))
pika_image_undo_push_image_parasite (image,
C_("undo-type", "Attach Parasite to Image"),
&copy);
/* We used to push a cantundo on the stack here. This made the undo stack
* unusable (NULL on the stack) and prevented people from undoing after a
* save (since most save plug-ins attach an undoable comment parasite).
* Now we simply attach the parasite without pushing an undo. That way
* it's undoable but does not block the undo system. --Sven
*/
pika_parasite_list_add (private->parasites, &copy);
if (push_undo && pika_parasite_has_flag (&copy, PIKA_PARASITE_ATTACH_PARENT))
{
pika_parasite_shift_parent (&copy);
pika_parasite_attach (image->pika, &copy);
}
if (strcmp (name, PIKA_ICC_PROFILE_PARASITE_NAME) == 0)
_pika_image_update_color_profile (image, parasite);
if (strcmp (name, PIKA_SIMULATION_ICC_PROFILE_PARASITE_NAME) == 0)
_pika_image_update_simulation_profile (image, parasite);
g_signal_emit (image, pika_image_signals[PARASITE_ATTACHED], 0,
name);
}
void
pika_image_parasite_detach (PikaImage *image,
const gchar *name,
gboolean push_undo)
{
PikaImagePrivate *private;
const PikaParasite *parasite;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (name != NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
if (! (parasite = pika_parasite_list_find (private->parasites, name)))
return;
if (push_undo && pika_parasite_is_undoable (parasite))
pika_image_undo_push_image_parasite_remove (image,
C_("undo-type", "Remove Parasite from Image"),
name);
pika_parasite_list_remove (private->parasites, name);
if (strcmp (name, PIKA_ICC_PROFILE_PARASITE_NAME) == 0)
_pika_image_update_color_profile (image, NULL);
if (strcmp (name, PIKA_SIMULATION_ICC_PROFILE_PARASITE_NAME) == 0)
_pika_image_update_simulation_profile (image, NULL);
g_signal_emit (image, pika_image_signals[PARASITE_DETACHED], 0,
name);
}
/* tattoos */
PikaTattoo
pika_image_get_new_tattoo (PikaImage *image)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
private = PIKA_IMAGE_GET_PRIVATE (image);
private->tattoo_state++;
if (G_UNLIKELY (private->tattoo_state == 0))
g_warning ("%s: Tattoo state corrupted (integer overflow).", G_STRFUNC);
return private->tattoo_state;
}
PikaTattoo
pika_image_get_tattoo_state (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
return PIKA_IMAGE_GET_PRIVATE (image)->tattoo_state;
}
gboolean
pika_image_set_tattoo_state (PikaImage *image,
PikaTattoo val)
{
GList *all_items;
GList *list;
gboolean retval = TRUE;
PikaTattoo maxval = 0;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
/* Check that the layer tattoos don't overlap with channel or vector ones */
all_items = pika_image_get_layer_list (image);
for (list = all_items; list; list = g_list_next (list))
{
PikaTattoo ltattoo;
ltattoo = pika_item_get_tattoo (PIKA_ITEM (list->data));
if (ltattoo > maxval)
maxval = ltattoo;
if (pika_image_get_channel_by_tattoo (image, ltattoo))
retval = FALSE; /* Oopps duplicated tattoo in channel */
if (pika_image_get_vectors_by_tattoo (image, ltattoo))
retval = FALSE; /* Oopps duplicated tattoo in vectors */
}
g_list_free (all_items);
/* Now check that the channel and vectors tattoos don't overlap */
all_items = pika_image_get_channel_list (image);
for (list = all_items; list; list = g_list_next (list))
{
PikaTattoo ctattoo;
ctattoo = pika_item_get_tattoo (PIKA_ITEM (list->data));
if (ctattoo > maxval)
maxval = ctattoo;
if (pika_image_get_vectors_by_tattoo (image, ctattoo))
retval = FALSE; /* Oopps duplicated tattoo in vectors */
}
g_list_free (all_items);
/* Find the max tattoo value in the vectors */
all_items = pika_image_get_vectors_list (image);
for (list = all_items; list; list = g_list_next (list))
{
PikaTattoo vtattoo;
vtattoo = pika_item_get_tattoo (PIKA_ITEM (list->data));
if (vtattoo > maxval)
maxval = vtattoo;
}
g_list_free (all_items);
if (val < maxval)
retval = FALSE;
/* Must check if the state is valid */
if (retval == TRUE)
PIKA_IMAGE_GET_PRIVATE (image)->tattoo_state = val;
return retval;
}
/* projection */
PikaProjection *
pika_image_get_projection (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->projection;
}
/* layers / channels / vectors */
PikaItemTree *
pika_image_get_layer_tree (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->layers;
}
PikaItemTree *
pika_image_get_channel_tree (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->channels;
}
PikaItemTree *
pika_image_get_vectors_tree (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->vectors;
}
PikaContainer *
pika_image_get_layers (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->layers->container;
}
PikaContainer *
pika_image_get_channels (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->channels->container;
}
PikaContainer *
pika_image_get_vectors (PikaImage *image)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
return PIKA_IMAGE_GET_PRIVATE (image)->vectors->container;
}
gint
pika_image_get_n_layers (PikaImage *image)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
stack = PIKA_ITEM_STACK (pika_image_get_layers (image));
return pika_item_stack_get_n_items (stack);
}
gint
pika_image_get_n_channels (PikaImage *image)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
stack = PIKA_ITEM_STACK (pika_image_get_channels (image));
return pika_item_stack_get_n_items (stack);
}
gint
pika_image_get_n_vectors (PikaImage *image)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), 0);
stack = PIKA_ITEM_STACK (pika_image_get_vectors (image));
return pika_item_stack_get_n_items (stack);
}
GList *
pika_image_get_layer_iter (PikaImage *image)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
stack = PIKA_ITEM_STACK (pika_image_get_layers (image));
return pika_item_stack_get_item_iter (stack);
}
GList *
pika_image_get_channel_iter (PikaImage *image)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
stack = PIKA_ITEM_STACK (pika_image_get_channels (image));
return pika_item_stack_get_item_iter (stack);
}
GList *
pika_image_get_vectors_iter (PikaImage *image)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
stack = PIKA_ITEM_STACK (pika_image_get_vectors (image));
return pika_item_stack_get_item_iter (stack);
}
GList *
pika_image_get_layer_list (PikaImage *image)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
stack = PIKA_ITEM_STACK (pika_image_get_layers (image));
return pika_item_stack_get_item_list (stack);
}
GList *
pika_image_get_channel_list (PikaImage *image)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
stack = PIKA_ITEM_STACK (pika_image_get_channels (image));
return pika_item_stack_get_item_list (stack);
}
GList *
pika_image_get_vectors_list (PikaImage *image)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
stack = PIKA_ITEM_STACK (pika_image_get_vectors (image));
return pika_item_stack_get_item_list (stack);
}
/* active drawable, layer, channel, vectors */
void
pika_image_unset_selected_channels (PikaImage *image)
{
PikaImagePrivate *private;
GList *channels;
g_return_if_fail (PIKA_IS_IMAGE (image));
private = PIKA_IMAGE_GET_PRIVATE (image);
channels = pika_image_get_selected_channels (image);
if (channels)
{
pika_image_set_selected_channels (image, NULL);
if (private->layer_stack)
pika_image_set_selected_layers (image, private->layer_stack->data);
}
}
/**
* pika_image_is_selected_drawable:
* @image:
* @drawable:
*
* Checks if @drawable belong to the list of currently selected
* drawables. It doesn't mean this is the only selected drawable (if
* this is what you want to check, use
* pika_image_equal_selected_drawables() with a list containing only
* this drawable).
*
* Returns: %TRUE is @drawable is one of the selected drawables.
*/
gboolean
pika_image_is_selected_drawable (PikaImage *image,
PikaDrawable *drawable)
{
GList *selected_drawables;
gboolean found;
selected_drawables = pika_image_get_selected_drawables (image);
found = (g_list_find (selected_drawables, drawable) != NULL);
g_list_free (selected_drawables);
return found;
}
/**
* pika_image_equal_selected_drawables:
* @image:
* @drawables:
*
* Compare the list of @drawables with the selected drawables in @image
* (i.e. the result of pika_image_equal_selected_drawables()).
* The order of the @drawables does not matter, only if the size and
* contents of the list is the same.
*/
gboolean
pika_image_equal_selected_drawables (PikaImage *image,
GList *drawables)
{
GList *selected_drawables;
GList *iter;
gboolean equal = FALSE;
selected_drawables = pika_image_get_selected_drawables (image);
if (g_list_length (drawables) == g_list_length (selected_drawables))
{
equal = TRUE;
for (iter = drawables; iter; iter = iter->next)
if (! g_list_find (selected_drawables, iter->data))
{
equal = FALSE;
break;
}
}
g_list_free (selected_drawables);
return equal;
}
GList *
pika_image_get_selected_drawables (PikaImage *image)
{
PikaImagePrivate *private;
GList *selected_channels;
GList *selected_layers;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
selected_channels = pika_item_tree_get_selected_items (private->channels);
selected_layers = pika_item_tree_get_selected_items (private->layers);
/* If there is an active channel (a saved selection, etc.),
* we ignore the active layer
*/
if (selected_channels)
{
return g_list_copy (selected_channels);
}
else if (selected_layers)
{
selected_layers = g_list_copy (selected_layers);
if (g_list_length (selected_layers) == 1)
{
/* As a special case, if only one layer is selected and mask
* edit is in progress, we return the mask as selected
* drawable instead of the layer.
*/
PikaLayer *layer = PIKA_LAYER (selected_layers->data);
PikaLayerMask *mask = pika_layer_get_mask (layer);
if (mask && pika_layer_get_edit_mask (layer))
selected_layers->data = mask;
}
return selected_layers;
}
return NULL;
}
GList *
pika_image_get_selected_layers (PikaImage *image)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
return pika_item_tree_get_selected_items (private->layers);
}
GList *
pika_image_get_selected_channels (PikaImage *image)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
return pika_item_tree_get_selected_items (private->channels);
}
GList *
pika_image_get_selected_vectors (PikaImage *image)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
return pika_item_tree_get_selected_items (private->vectors);
}
void
pika_image_set_selected_layers (PikaImage *image,
GList *layers)
{
PikaImagePrivate *private;
PikaLayer *floating_sel;
GList *selected_layers;
GList *layers2;
GList *iter;
gboolean selection_changed = TRUE;
g_return_if_fail (PIKA_IS_IMAGE (image));
layers2 = g_list_copy (layers);
for (iter = layers; iter; iter = iter->next)
{
g_return_if_fail (PIKA_IS_LAYER (iter->data));
g_return_if_fail (pika_item_get_image (PIKA_ITEM (iter->data)) == image);
/* Silently remove non-attached layers from selection. Do not
* error out on it as it may happen for instance when selection
* changes while in the process of removing a layer group.
*/
if (! pika_item_is_attached (PIKA_ITEM (iter->data)))
layers2 = g_list_remove (layers2, iter->data);
}
private = PIKA_IMAGE_GET_PRIVATE (image);
floating_sel = pika_image_get_floating_selection (image);
/* Make sure the floating_sel always is the active layer */
if (floating_sel && (g_list_length (layers2) != 1 || layers2->data != floating_sel))
return;
selected_layers = pika_image_get_selected_layers (image);
if (g_list_length (layers2) == g_list_length (selected_layers))
{
selection_changed = FALSE;
for (iter = layers2; iter; iter = iter->next)
{
if (g_list_find (selected_layers, iter->data) == NULL)
{
selection_changed = TRUE;
break;
}
}
}
if (selection_changed)
{
/* Don't cache selection info for the previous active layer */
if (selected_layers)
pika_drawable_invalidate_boundary (PIKA_DRAWABLE (selected_layers->data));
pika_item_tree_set_selected_items (private->layers, layers2);
/* We cannot edit masks with multiple selected layers. */
if (g_list_length (layers2) > 1)
{
for (iter = layers2; iter; iter = iter->next)
{
if (pika_layer_get_mask (iter->data))
pika_layer_set_edit_mask (iter->data, FALSE);
}
}
}
else
{
g_list_free (layers2);
}
}
void
pika_image_set_selected_channels (PikaImage *image,
GList *channels)
{
PikaImagePrivate *private;
GList *iter;
g_return_if_fail (PIKA_IS_IMAGE (image));
for (iter = channels; iter; iter = iter->next)
{
g_return_if_fail (PIKA_IS_CHANNEL (iter->data));
g_return_if_fail (pika_item_is_attached (PIKA_ITEM (iter->data)) &&
pika_item_get_image (PIKA_ITEM (iter->data)) == image);
}
private = PIKA_IMAGE_GET_PRIVATE (image);
/* Not if there is a floating selection */
if (g_list_length (channels) > 0 && pika_image_get_floating_selection (image))
return;
pika_item_tree_set_selected_items (private->channels, g_list_copy (channels));
}
void
pika_image_set_selected_vectors (PikaImage *image,
GList *vectors)
{
PikaImagePrivate *private;
GList *iter;
g_return_if_fail (PIKA_IS_IMAGE (image));
for (iter = vectors; iter; iter = iter->next)
{
g_return_if_fail (PIKA_IS_VECTORS (iter->data));
g_return_if_fail (pika_item_is_attached (PIKA_ITEM (iter->data)) &&
pika_item_get_image (PIKA_ITEM (iter->data)) == image);
}
private = PIKA_IMAGE_GET_PRIVATE (image);
pika_item_tree_set_selected_items (private->vectors, g_list_copy (vectors));
}
/* layer, channel, vectors by tattoo */
PikaLayer *
pika_image_get_layer_by_tattoo (PikaImage *image,
PikaTattoo tattoo)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
stack = PIKA_ITEM_STACK (pika_image_get_layers (image));
return PIKA_LAYER (pika_item_stack_get_item_by_tattoo (stack, tattoo));
}
PikaChannel *
pika_image_get_channel_by_tattoo (PikaImage *image,
PikaTattoo tattoo)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
stack = PIKA_ITEM_STACK (pika_image_get_channels (image));
return PIKA_CHANNEL (pika_item_stack_get_item_by_tattoo (stack, tattoo));
}
PikaVectors *
pika_image_get_vectors_by_tattoo (PikaImage *image,
PikaTattoo tattoo)
{
PikaItemStack *stack;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
stack = PIKA_ITEM_STACK (pika_image_get_vectors (image));
return PIKA_VECTORS (pika_item_stack_get_item_by_tattoo (stack, tattoo));
}
/* layer, channel, vectors by name */
PikaLayer *
pika_image_get_layer_by_name (PikaImage *image,
const gchar *name)
{
PikaItemTree *tree;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
g_return_val_if_fail (name != NULL, NULL);
tree = pika_image_get_layer_tree (image);
return PIKA_LAYER (pika_item_tree_get_item_by_name (tree, name));
}
PikaChannel *
pika_image_get_channel_by_name (PikaImage *image,
const gchar *name)
{
PikaItemTree *tree;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
g_return_val_if_fail (name != NULL, NULL);
tree = pika_image_get_channel_tree (image);
return PIKA_CHANNEL (pika_item_tree_get_item_by_name (tree, name));
}
PikaVectors *
pika_image_get_vectors_by_name (PikaImage *image,
const gchar *name)
{
PikaItemTree *tree;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
g_return_val_if_fail (name != NULL, NULL);
tree = pika_image_get_vectors_tree (image);
return PIKA_VECTORS (pika_item_tree_get_item_by_name (tree, name));
}
/* items */
gboolean
pika_image_reorder_item (PikaImage *image,
PikaItem *item,
PikaItem *new_parent,
gint new_index,
gboolean push_undo,
const gchar *undo_desc)
{
PikaItemTree *tree;
gboolean result;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
g_return_val_if_fail (PIKA_IS_ITEM (item), FALSE);
g_return_val_if_fail (pika_item_get_image (item) == image, FALSE);
tree = pika_item_get_tree (item);
g_return_val_if_fail (tree != NULL, FALSE);
if (push_undo)
{
if (! undo_desc)
undo_desc = PIKA_ITEM_GET_CLASS (item)->reorder_desc;
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_IMAGE_ITEM_REORDER,
undo_desc);
}
pika_image_freeze_bounding_box (image);
pika_item_start_move (item, push_undo);
/* item and new_parent are type-checked in PikaItemTree
*/
result = pika_item_tree_reorder_item (tree, item,
new_parent, new_index,
push_undo, undo_desc);
pika_item_end_move (item, push_undo);
pika_image_thaw_bounding_box (image);
if (push_undo)
pika_image_undo_group_end (image);
return result;
}
gboolean
pika_image_raise_item (PikaImage *image,
PikaItem *item,
GError **error)
{
gint index;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
g_return_val_if_fail (PIKA_IS_ITEM (item), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
index = pika_item_get_index (item);
g_return_val_if_fail (index != -1, FALSE);
if (index == 0)
{
g_set_error_literal (error, PIKA_ERROR, PIKA_FAILED,
PIKA_ITEM_GET_CLASS (item)->raise_failed);
return FALSE;
}
return pika_image_reorder_item (image, item,
pika_item_get_parent (item), index - 1,
TRUE, PIKA_ITEM_GET_CLASS (item)->raise_desc);
}
gboolean
pika_image_raise_item_to_top (PikaImage *image,
PikaItem *item)
{
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
g_return_val_if_fail (PIKA_IS_ITEM (item), FALSE);
return pika_image_reorder_item (image, item,
pika_item_get_parent (item), 0,
TRUE, PIKA_ITEM_GET_CLASS (item)->raise_to_top_desc);
}
gboolean
pika_image_lower_item (PikaImage *image,
PikaItem *item,
GError **error)
{
PikaContainer *container;
gint index;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
g_return_val_if_fail (PIKA_IS_ITEM (item), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
container = pika_item_get_container (item);
g_return_val_if_fail (container != NULL, FALSE);
index = pika_item_get_index (item);
if (index == pika_container_get_n_children (container) - 1)
{
g_set_error_literal (error, PIKA_ERROR, PIKA_FAILED,
PIKA_ITEM_GET_CLASS (item)->lower_failed);
return FALSE;
}
return pika_image_reorder_item (image, item,
pika_item_get_parent (item), index + 1,
TRUE, PIKA_ITEM_GET_CLASS (item)->lower_desc);
}
gboolean
pika_image_lower_item_to_bottom (PikaImage *image,
PikaItem *item)
{
PikaContainer *container;
gint length;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
g_return_val_if_fail (PIKA_IS_ITEM (item), FALSE);
container = pika_item_get_container (item);
g_return_val_if_fail (container != NULL, FALSE);
length = pika_container_get_n_children (container);
return pika_image_reorder_item (image, item,
pika_item_get_parent (item), length - 1,
TRUE, PIKA_ITEM_GET_CLASS (item)->lower_to_bottom_desc);
}
/* layers */
gboolean
pika_image_add_layer (PikaImage *image,
PikaLayer *layer,
PikaLayer *parent,
gint position,
gboolean push_undo)
{
PikaImagePrivate *private;
GList *selected_layers;
gboolean old_has_alpha;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
private = PIKA_IMAGE_GET_PRIVATE (image);
/* item and parent are type-checked in PikaItemTree
*/
if (! pika_item_tree_get_insert_pos (private->layers,
(PikaItem *) layer,
(PikaItem **) &parent,
&position))
return FALSE;
pika_image_unset_default_new_layer_mode (image);
/* If there is a floating selection (and this isn't it!),
* make sure the insert position is greater than 0
*/
if (parent == NULL && position == 0 &&
pika_image_get_floating_selection (image))
position = 1;
old_has_alpha = pika_image_has_alpha (image);
if (push_undo)
pika_image_undo_push_layer_add (image, C_("undo-type", "Add Layer"),
layer,
pika_image_get_selected_layers (image));
pika_item_tree_add_item (private->layers, PIKA_ITEM (layer),
PIKA_ITEM (parent), position);
selected_layers = g_list_prepend (NULL, layer);
pika_image_set_selected_layers (image, selected_layers);
g_list_free (selected_layers);
/* If the layer is a floating selection, attach it to the drawable */
if (pika_layer_is_floating_sel (layer))
pika_drawable_attach_floating_sel (pika_layer_get_floating_sel_drawable (layer),
layer);
if (old_has_alpha != pika_image_has_alpha (image))
private->flush_accum.alpha_changed = TRUE;
return TRUE;
}
void
pika_image_remove_layer (PikaImage *image,
PikaLayer *layer,
gboolean push_undo,
GList *new_selected)
{
PikaImagePrivate *private;
GList *selected_layers;
gboolean old_has_alpha;
const gchar *undo_desc;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_LAYER (layer));
g_return_if_fail (pika_item_is_attached (PIKA_ITEM (layer)));
g_return_if_fail (pika_item_get_image (PIKA_ITEM (layer)) == image);
private = PIKA_IMAGE_GET_PRIVATE (image);
pika_image_unset_default_new_layer_mode (image);
if (push_undo)
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_IMAGE_ITEM_REMOVE,
C_("undo-type", "Remove Layer"));
pika_item_start_move (PIKA_ITEM (layer), push_undo);
if (pika_drawable_get_floating_sel (PIKA_DRAWABLE (layer)))
{
if (! push_undo)
{
g_warning ("%s() was called from an undo function while the layer "
"had a floating selection. Please report this at "
"https://heckin.technology/AlderconeStudio/PIKApp/bugs/", G_STRFUNC);
return;
}
pika_image_remove_layer (image,
pika_drawable_get_floating_sel (PIKA_DRAWABLE (layer)),
TRUE, NULL);
}
selected_layers = g_list_copy (pika_image_get_selected_layers (image));
old_has_alpha = pika_image_has_alpha (image);
if (pika_layer_is_floating_sel (layer))
{
undo_desc = C_("undo-type", "Remove Floating Selection");
pika_drawable_detach_floating_sel (pika_layer_get_floating_sel_drawable (layer));
}
else
{
undo_desc = C_("undo-type", "Remove Layer");
}
if (push_undo)
pika_image_undo_push_layer_remove (image, undo_desc, layer,
pika_layer_get_parent (layer),
pika_item_get_index (PIKA_ITEM (layer)),
selected_layers);
g_object_ref (layer);
/* Make sure we're not caching any old selection info */
if (g_list_find (selected_layers, layer))
pika_drawable_invalidate_boundary (PIKA_DRAWABLE (layer));
/* Remove layer and its children from the MRU layer stack. */
pika_image_remove_from_layer_stack (image, layer);
new_selected = pika_item_tree_remove_item (private->layers,
PIKA_ITEM (layer),
new_selected);
if (pika_layer_is_floating_sel (layer))
{
/* If this was the floating selection, activate the underlying drawable
*/
floating_sel_activate_drawable (layer);
}
else if (selected_layers &&
(g_list_find (selected_layers, layer) ||
g_list_find_custom (selected_layers, layer,
(GCompareFunc) pika_image_selected_is_descendant)))
{
pika_image_set_selected_layers (image, new_selected);
}
pika_item_end_move (PIKA_ITEM (layer), push_undo);
g_object_unref (layer);
g_list_free (selected_layers);
if (new_selected)
g_list_free (new_selected);
if (old_has_alpha != pika_image_has_alpha (image))
private->flush_accum.alpha_changed = TRUE;
if (push_undo)
pika_image_undo_group_end (image);
}
void
pika_image_add_layers (PikaImage *image,
GList *layers,
PikaLayer *parent,
gint position,
gint x,
gint y,
gint width,
gint height,
const gchar *undo_desc)
{
PikaImagePrivate *private;
GList *list;
gint layers_x = G_MAXINT;
gint layers_y = G_MAXINT;
gint layers_width = 0;
gint layers_height = 0;
gint offset_x;
gint offset_y;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (layers != NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
/* item and parent are type-checked in PikaItemTree
*/
if (! pika_item_tree_get_insert_pos (private->layers,
(PikaItem *) layers->data,
(PikaItem **) &parent,
&position))
return;
for (list = layers; list; list = g_list_next (list))
{
PikaItem *item = PIKA_ITEM (list->data);
gint off_x, off_y;
pika_item_get_offset (item, &off_x, &off_y);
layers_x = MIN (layers_x, off_x);
layers_y = MIN (layers_y, off_y);
layers_width = MAX (layers_width,
off_x + pika_item_get_width (item) - layers_x);
layers_height = MAX (layers_height,
off_y + pika_item_get_height (item) - layers_y);
}
offset_x = x + (width - layers_width) / 2 - layers_x;
offset_y = y + (height - layers_height) / 2 - layers_y;
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_LAYER_ADD, undo_desc);
for (list = layers; list; list = g_list_next (list))
{
PikaItem *new_item = PIKA_ITEM (list->data);
pika_item_translate (new_item, offset_x, offset_y, FALSE);
pika_image_add_layer (image, PIKA_LAYER (new_item),
parent, position, TRUE);
position++;
}
if (layers)
pika_image_set_selected_layers (image, layers);
pika_image_undo_group_end (image);
}
/*
* pika_image_store_item_set:
* @image:
* @set: (transfer full): a set of items which @images takes ownership
* of.
*
* Store a new set of @layers.
* If a set with the same name and type existed, this call will silently
* replace it with the new set of layers.
*/
void
pika_image_store_item_set (PikaImage *image,
PikaItemList *set)
{
PikaImagePrivate *private;
GList **stored_sets;
GList *iter;
guint signal;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_ITEM_LIST (set));
private = PIKA_IMAGE_GET_PRIVATE (image);
if (pika_item_list_get_item_type (set) == PIKA_TYPE_LAYER)
{
stored_sets = &private->stored_layer_sets;
signal = pika_image_signals[LAYER_SETS_CHANGED];
}
else if (pika_item_list_get_item_type (set) == PIKA_TYPE_CHANNEL)
{
stored_sets = &private->stored_channel_sets;
signal = pika_image_signals[CHANNEL_SETS_CHANGED];
}
else if (pika_item_list_get_item_type (set) == PIKA_TYPE_VECTORS)
{
stored_sets = &private->stored_vectors_sets;
signal = pika_image_signals[VECTORS_SETS_CHANGED];
}
else
{
g_return_if_reached ();
}
for (iter = *stored_sets; iter; iter = iter->next)
{
gboolean is_pattern;
gboolean is_pattern2;
PikaSelectMethod pattern_syntax;
PikaSelectMethod pattern_syntax2;
is_pattern = pika_item_list_is_pattern (iter->data, &pattern_syntax);
is_pattern2 = pika_item_list_is_pattern (set, &pattern_syntax2);
/* Remove a previous item set of same type and name. */
if (is_pattern == is_pattern2 && (! is_pattern || pattern_syntax == pattern_syntax2) &&
g_strcmp0 (pika_object_get_name (iter->data), pika_object_get_name (set)) == 0)
break;
}
if (iter)
{
g_object_unref (iter->data);
*stored_sets = g_list_delete_link (*stored_sets, iter);
}
*stored_sets = g_list_prepend (*stored_sets, set);
g_signal_emit (image, signal, 0);
}
/*
* @pika_image_unlink_item_set:
* @image:
* @link_name:
*
* Remove the set of layers named @link_name.
*
* Returns: %TRUE if the set was removed, %FALSE if no sets with this
* name existed.
*/
gboolean
pika_image_unlink_item_set (PikaImage *image,
PikaItemList *set)
{
PikaImagePrivate *private;
GList *found;
GList **stored_sets;
guint signal;
gboolean success;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
private = PIKA_IMAGE_GET_PRIVATE (image);
if (pika_item_list_get_item_type (set) == PIKA_TYPE_LAYER)
{
stored_sets = &private->stored_layer_sets;
signal = pika_image_signals[LAYER_SETS_CHANGED];
}
else if (pika_item_list_get_item_type (set) == PIKA_TYPE_CHANNEL)
{
stored_sets = &private->stored_channel_sets;
signal = pika_image_signals[CHANNEL_SETS_CHANGED];
}
else if (pika_item_list_get_item_type (set) == PIKA_TYPE_VECTORS)
{
stored_sets = &private->stored_vectors_sets;
signal = pika_image_signals[VECTORS_SETS_CHANGED];
}
else
{
g_return_val_if_reached (FALSE);
}
found = g_list_find (*stored_sets, set);
success = (found != NULL);
if (success)
{
*stored_sets = g_list_delete_link (*stored_sets, found);
g_object_unref (set);
g_signal_emit (image, signal, 0);
}
return success;
}
/*
* @pika_image_get_stored_item_sets:
* @image:
* @item_type:
*
* Returns: (transfer none): the list of all the layer sets (which you
* should not modify). Order of items is relevant.
*/
GList *
pika_image_get_stored_item_sets (PikaImage *image,
GType item_type)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
private = PIKA_IMAGE_GET_PRIVATE (image);
if (item_type == PIKA_TYPE_LAYER)
return private->stored_layer_sets;
else if (item_type == PIKA_TYPE_CHANNEL)
return private->stored_channel_sets;
else if (item_type == PIKA_TYPE_VECTORS)
return private->stored_vectors_sets;
g_return_val_if_reached (FALSE);
}
/*
* @pika_image_select_item_set:
* @image:
* @set:
*
* Replace currently selected layers in @image with the layers belonging
* to @set.
*/
void
pika_image_select_item_set (PikaImage *image,
PikaItemList *set)
{
GList *items;
GError *error = NULL;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_ITEM_LIST (set));
items = pika_item_list_get_items (set, &error);
if (! error)
{
GType item_type = pika_item_list_get_item_type (set);
if (item_type == PIKA_TYPE_LAYER)
pika_image_set_selected_layers (image, items);
else if (item_type == PIKA_TYPE_CHANNEL)
pika_image_set_selected_channels (image, items);
else if (item_type == PIKA_TYPE_VECTORS)
pika_image_set_selected_vectors (image, items);
else
g_return_if_reached ();
}
g_list_free (items);
g_clear_error (&error);
}
/*
* @pika_image_add_item_set:
* @image:
* @set:
*
* Add the layers belonging to @set to the items currently selected in
* @image.
*/
void
pika_image_add_item_set (PikaImage *image,
PikaItemList *set)
{
GList *items;
GError *error = NULL;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_ITEM_LIST (set));
items = pika_item_list_get_items (set, &error);
if (! error)
{
GList *selected;
GList *iter;
GType item_type = pika_item_list_get_item_type (set);
if (item_type == PIKA_TYPE_LAYER)
selected = pika_image_get_selected_layers (image);
else if (item_type == PIKA_TYPE_CHANNEL)
selected = pika_image_get_selected_channels (image);
else if (item_type == PIKA_TYPE_VECTORS)
selected = pika_image_get_selected_vectors (image);
else
g_return_if_reached ();
selected = g_list_copy (selected);
for (iter = items; iter; iter = iter->next)
{
if (! g_list_find (selected, iter->data))
selected = g_list_prepend (selected, iter->data);
}
if (item_type == PIKA_TYPE_LAYER)
pika_image_set_selected_layers (image, selected);
else if (item_type == PIKA_TYPE_CHANNEL)
pika_image_set_selected_channels (image, selected);
else if (item_type == PIKA_TYPE_VECTORS)
pika_image_set_selected_vectors (image, items);
g_list_free (selected);
}
g_clear_error (&error);
}
/*
* @pika_image_remove_item_set:
* @image:
* @set:
*
* Remove the layers belonging to the set named @link_name (which must
* exist) from the layers currently selected in @image.
*
* Returns: %TRUE if the selection change is done (even if it turned out
* selected layers stay the same), %FALSE if no sets with this
* name existed.
*/
void
pika_image_remove_item_set (PikaImage *image,
PikaItemList *set)
{
GList *items;
GError *error = NULL;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_ITEM_LIST (set));
items = pika_item_list_get_items (set, &error);
if (! error)
{
GList *selected;
GList *iter;
GType item_type = pika_item_list_get_item_type (set);
if (item_type == PIKA_TYPE_LAYER)
selected = pika_image_get_selected_layers (image);
else if (item_type == PIKA_TYPE_CHANNEL)
selected = pika_image_get_selected_channels (image);
else if (item_type == PIKA_TYPE_VECTORS)
selected = pika_image_get_selected_vectors (image);
else
g_return_if_reached ();
selected = g_list_copy (selected);
for (iter = items; iter; iter = iter->next)
{
GList *remove;
if ((remove = g_list_find (selected, iter->data)))
selected = g_list_delete_link (selected, remove);
}
if (item_type == PIKA_TYPE_LAYER)
pika_image_set_selected_layers (image, selected);
else if (item_type == PIKA_TYPE_CHANNEL)
pika_image_set_selected_channels (image, selected);
else if (item_type == PIKA_TYPE_VECTORS)
pika_image_set_selected_vectors (image, items);
g_list_free (selected);
}
g_clear_error (&error);
}
/*
* @pika_image_intersect_item_set:
* @image:
* @set:
*
* Remove any layers from the layers currently selected in @image if
* they don't also belong to the set named @link_name (which must
* exist).
*
* Returns: %TRUE if the selection change is done (even if it turned out
* selected layers stay the same), %FALSE if no sets with this
* name existed.
*/
void
pika_image_intersect_item_set (PikaImage *image,
PikaItemList *set)
{
GList *items;
GError *error = NULL;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_ITEM_LIST (set));
items = pika_item_list_get_items (set, &error);
if (! error)
{
GList *selected;
GList *remove = NULL;
GList *iter;
GType item_type = pika_item_list_get_item_type (set);
if (item_type == PIKA_TYPE_LAYER)
selected = pika_image_get_selected_layers (image);
else if (item_type == PIKA_TYPE_CHANNEL)
selected = pika_image_get_selected_channels (image);
else if (item_type == PIKA_TYPE_VECTORS)
selected = pika_image_get_selected_vectors (image);
else
g_return_if_reached ();
selected = g_list_copy (selected);
/* Remove items in selected but not in items. */
for (iter = selected; iter; iter = iter->next)
{
if (! g_list_find (items, iter->data))
remove = g_list_prepend (remove, iter);
}
for (iter = remove; iter; iter = iter->next)
selected = g_list_delete_link (selected, iter->data);
g_list_free (remove);
/* Finally select the intersection. */
if (item_type == PIKA_TYPE_LAYER)
pika_image_set_selected_layers (image, selected);
else if (item_type == PIKA_TYPE_CHANNEL)
pika_image_set_selected_channels (image, selected);
else if (item_type == PIKA_TYPE_VECTORS)
pika_image_set_selected_vectors (image, items);
g_list_free (selected);
}
g_clear_error (&error);
}
/* channels */
gboolean
pika_image_add_channel (PikaImage *image,
PikaChannel *channel,
PikaChannel *parent,
gint position,
gboolean push_undo)
{
PikaImagePrivate *private;
GList *channels;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
private = PIKA_IMAGE_GET_PRIVATE (image);
/* item and parent are type-checked in PikaItemTree
*/
if (! pika_item_tree_get_insert_pos (private->channels,
(PikaItem *) channel,
(PikaItem **) &parent,
&position))
return FALSE;
if (push_undo)
pika_image_undo_push_channel_add (image, C_("undo-type", "Add Channel"),
channel,
pika_image_get_selected_channels (image));
pika_item_tree_add_item (private->channels, PIKA_ITEM (channel),
PIKA_ITEM (parent), position);
channels = g_list_prepend (NULL, channel);
pika_image_set_selected_channels (image, channels);
g_list_free (channels);
return TRUE;
}
void
pika_image_remove_channel (PikaImage *image,
PikaChannel *channel,
gboolean push_undo,
GList *new_selected)
{
PikaImagePrivate *private;
GList *selected_channels;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_CHANNEL (channel));
g_return_if_fail (pika_item_is_attached (PIKA_ITEM (channel)));
g_return_if_fail (pika_item_get_image (PIKA_ITEM (channel)) == image);
if (push_undo)
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_IMAGE_ITEM_REMOVE,
C_("undo-type", "Remove Channel"));
pika_item_start_move (PIKA_ITEM (channel), push_undo);
if (pika_drawable_get_floating_sel (PIKA_DRAWABLE (channel)))
{
if (! push_undo)
{
g_warning ("%s() was called from an undo function while the channel "
"had a floating selection. Please report this at "
"https://heckin.technology/AlderconeStudio/PIKApp/bugs/", G_STRFUNC);
return;
}
pika_image_remove_layer (image,
pika_drawable_get_floating_sel (PIKA_DRAWABLE (channel)),
TRUE, NULL);
}
private = PIKA_IMAGE_GET_PRIVATE (image);
selected_channels = pika_image_get_selected_channels (image);
selected_channels = g_list_copy (selected_channels);
if (push_undo)
pika_image_undo_push_channel_remove (image, C_("undo-type", "Remove Channel"), channel,
pika_channel_get_parent (channel),
pika_item_get_index (PIKA_ITEM (channel)),
selected_channels);
g_object_ref (channel);
new_selected = pika_item_tree_remove_item (private->channels,
PIKA_ITEM (channel),
new_selected);
if (selected_channels &&
(g_list_find (selected_channels, channel) ||
g_list_find_custom (selected_channels, channel,
(GCompareFunc) pika_image_selected_is_descendant)))
{
if (new_selected)
pika_image_set_selected_channels (image, new_selected);
else
pika_image_unset_selected_channels (image);
}
g_list_free (selected_channels);
pika_item_end_move (PIKA_ITEM (channel), push_undo);
g_object_unref (channel);
if (new_selected)
g_list_free (new_selected);
if (push_undo)
pika_image_undo_group_end (image);
}
/* vectors */
gboolean
pika_image_add_vectors (PikaImage *image,
PikaVectors *vectors,
PikaVectors *parent,
gint position,
gboolean push_undo)
{
PikaImagePrivate *private;
GList *list = NULL;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
private = PIKA_IMAGE_GET_PRIVATE (image);
/* item and parent are type-checked in PikaItemTree
*/
if (! pika_item_tree_get_insert_pos (private->vectors,
(PikaItem *) vectors,
(PikaItem **) &parent,
&position))
return FALSE;
if (push_undo)
pika_image_undo_push_vectors_add (image, C_("undo-type", "Add Path"),
vectors,
pika_image_get_selected_vectors (image));
pika_item_tree_add_item (private->vectors, PIKA_ITEM (vectors),
PIKA_ITEM (parent), position);
if (vectors != NULL)
list = g_list_prepend (NULL, vectors);
pika_image_set_selected_vectors (image, list);
g_list_free (list);
return TRUE;
}
void
pika_image_remove_vectors (PikaImage *image,
PikaVectors *vectors,
gboolean push_undo,
GList *new_selected)
{
PikaImagePrivate *private;
GList *selected_vectors;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_VECTORS (vectors));
g_return_if_fail (pika_item_is_attached (PIKA_ITEM (vectors)));
g_return_if_fail (pika_item_get_image (PIKA_ITEM (vectors)) == image);
private = PIKA_IMAGE_GET_PRIVATE (image);
if (push_undo)
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_IMAGE_ITEM_REMOVE,
C_("undo-type", "Remove Path"));
pika_item_start_move (PIKA_ITEM (vectors), push_undo);
selected_vectors = pika_image_get_selected_vectors (image);
selected_vectors = g_list_copy (selected_vectors);
if (push_undo)
pika_image_undo_push_vectors_remove (image, C_("undo-type", "Remove Path"), vectors,
pika_vectors_get_parent (vectors),
pika_item_get_index (PIKA_ITEM (vectors)),
selected_vectors);
g_object_ref (vectors);
new_selected = pika_item_tree_remove_item (private->vectors,
PIKA_ITEM (vectors),
new_selected);
if (selected_vectors &&
(g_list_find (selected_vectors, vectors) ||
g_list_find_custom (selected_vectors, vectors,
(GCompareFunc) pika_image_selected_is_descendant)))
{
pika_image_set_selected_vectors (image, new_selected);
}
g_list_free (selected_vectors);
pika_item_end_move (PIKA_ITEM (vectors), push_undo);
g_object_unref (vectors);
if (new_selected)
g_list_free (new_selected);
if (push_undo)
pika_image_undo_group_end (image);
}
/* hidden items */
/* Sometimes you want to create a channel or other types of drawables to
* work on them without adding them to the public trees and to be
* visible in the GUI. This is when you create hidden items. No undo
* steps will ever be created either for any processing on these items.
*
* Note that you are expected to manage the hidden items properly. In
* particular, once you are done with them, remove them with
* pika_image_remove_hidden_item() and free them.
* @image is not assuming ownership of @item.
*/
gboolean
pika_image_add_hidden_item (PikaImage *image,
PikaItem *item)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
g_return_val_if_fail (PIKA_IS_ITEM (item), FALSE);
g_return_val_if_fail (! pika_item_is_attached (item), FALSE);
g_return_val_if_fail (pika_item_get_image (item) == image, FALSE);
private = PIKA_IMAGE_GET_PRIVATE (image);
private->hidden_items = g_list_prepend (private->hidden_items, item);
return TRUE;
}
void
pika_image_remove_hidden_item (PikaImage *image,
PikaItem *item)
{
PikaImagePrivate *private;
g_return_if_fail (PIKA_IS_IMAGE (image));
g_return_if_fail (PIKA_IS_ITEM (item));
g_return_if_fail (pika_item_get_image (item) == image);
private = PIKA_IMAGE_GET_PRIVATE (image);
g_return_if_fail (g_list_find (private->hidden_items, item) != NULL);
private->hidden_items = g_list_remove (private->hidden_items, item);
}
gboolean
pika_image_is_hidden_item (PikaImage *image,
PikaItem *item)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
g_return_val_if_fail (PIKA_IS_ITEM (item), FALSE);
g_return_val_if_fail (pika_item_get_image (item) == image, FALSE);
private = PIKA_IMAGE_GET_PRIVATE (image);
return (g_list_find (private->hidden_items, item) != NULL);
}
gboolean
pika_image_coords_in_active_pickable (PikaImage *image,
const PikaCoords *coords,
gboolean show_all,
gboolean sample_merged,
gboolean selected_only)
{
gint x, y;
gboolean in_pickable = FALSE;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
x = floor (coords->x);
y = floor (coords->y);
if (sample_merged)
{
if (show_all || (x >= 0 && x < pika_image_get_width (image) &&
y >= 0 && y < pika_image_get_height (image)))
{
in_pickable = TRUE;
}
}
else
{
GList *drawables = pika_image_get_selected_drawables (image);
GList *iter;
for (iter = drawables; iter; iter = iter->next)
{
PikaItem *item = iter->data;
gint off_x, off_y;
gint d_x, d_y;
pika_item_get_offset (item, &off_x, &off_y);
d_x = x - off_x;
d_y = y - off_y;
if (d_x >= 0 && d_x < pika_item_get_width (item) &&
d_y >= 0 && d_y < pika_item_get_height (item))
{
in_pickable = TRUE;
break;
}
}
g_list_free (drawables);
}
if (in_pickable && selected_only)
{
PikaChannel *selection = pika_image_get_mask (image);
if (! pika_channel_is_empty (selection) &&
! pika_pickable_get_opacity_at (PIKA_PICKABLE (selection),
x, y))
{
in_pickable = FALSE;
}
}
return in_pickable;
}
void
pika_image_invalidate_previews (PikaImage *image)
{
PikaItemStack *layers;
PikaItemStack *channels;
g_return_if_fail (PIKA_IS_IMAGE (image));
layers = PIKA_ITEM_STACK (pika_image_get_layers (image));
channels = PIKA_ITEM_STACK (pika_image_get_channels (image));
pika_item_stack_invalidate_previews (layers);
pika_item_stack_invalidate_previews (channels);
}
/* Sets the image into a "converting" state, which is there to warn other code
* (such as shell render code) that the image properties might be in an
* inconsistent state. For instance when converting to another precision with
* pika_image_convert_precision(), the babl format may be updated first, and the
* profile later, after all drawables are converted. Rendering the image
* in-between would at best render broken previews (at worst, crash, e.g.
* because we depend on allocated data which might have become too small).
*/
void
pika_image_set_converting (PikaImage *image,
gboolean converting)
{
g_return_if_fail (PIKA_IS_IMAGE (image));
g_object_set (image,
"converting", converting,
NULL);
}
gboolean
pika_image_get_converting (PikaImage *image)
{
PikaImagePrivate *private;
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
private = PIKA_IMAGE_GET_PRIVATE (image);
return private->converting;
}
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