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PIKApp/app/actions/layers-commands.c

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Initial checkin of Pika from heckimp
2023-09-26 00:35:21 +02:00
/* 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 <gegl.h>
#include <gtk/gtk.h>
#include "libpikamath/pikamath.h"
#include "libpikabase/pikabase.h"
#include "libpikacolor/pikacolor.h"
#include "libpikawidgets/pikawidgets.h"
#include "actions-types.h"
#include "config/pikadialogconfig.h"
#include "operations/layer-modes/pika-layer-modes.h"
#include "core/pika.h"
#include "core/pikachannel.h"
#include "core/pikachannel-combine.h"
#include "core/pikacontainer.h"
#include "core/pikacontext.h"
#include "core/pikadrawable-fill.h"
#include "core/pikagrouplayer.h"
#include "core/pikaimage.h"
#include "core/pikaimage-merge.h"
#include "core/pikaimage-undo.h"
#include "core/pikaimage-undo-push.h"
#include "core/pikaitemundo.h"
#include "core/pikalayerpropundo.h"
#include "core/pikalayer-floating-selection.h"
#include "core/pikalayer-new.h"
#include "core/pikapickable.h"
#include "core/pikapickable-auto-shrink.h"
#include "core/pikatoolinfo.h"
#include "core/pikaundostack.h"
#include "core/pikaprogress.h"
#include "text/pikatext.h"
#include "text/pikatext-vectors.h"
#include "text/pikatextlayer.h"
#include "vectors/pikastroke.h"
#include "vectors/pikavectors.h"
#include "vectors/pikavectors-warp.h"
#include "widgets/pikaaction.h"
#include "widgets/pikadock.h"
#include "widgets/pikahelp-ids.h"
#include "widgets/pikaprogressdialog.h"
#include "display/pikadisplay.h"
#include "display/pikadisplayshell.h"
#include "display/pikaimagewindow.h"
#include "tools/pikatexttool.h"
#include "tools/tool_manager.h"
#include "dialogs/dialogs.h"
#include "dialogs/layer-add-mask-dialog.h"
#include "dialogs/layer-options-dialog.h"
#include "dialogs/resize-dialog.h"
#include "dialogs/scale-dialog.h"
#include "actions.h"
#include "items-commands.h"
#include "layers-commands.h"
#include "pika-intl.h"
/* local function prototypes */
static void layers_new_callback (GtkWidget *dialog,
PikaImage *image,
PikaLayer *layer,
PikaContext *context,
const gchar *layer_name,
PikaLayerMode layer_mode,
PikaLayerColorSpace layer_blend_space,
PikaLayerColorSpace layer_composite_space,
PikaLayerCompositeMode layer_composite_mode,
gdouble layer_opacity,
PikaFillType layer_fill_type,
gint layer_width,
gint layer_height,
gint layer_offset_x,
gint layer_offset_y,
gboolean layer_visible,
PikaColorTag layer_color_tag,
gboolean layer_lock_pixels,
gboolean layer_lock_position,
gboolean layer_lock_visibility,
gboolean layer_lock_alpha,
gboolean rename_text_layer,
gpointer user_data);
static void layers_edit_attributes_callback (GtkWidget *dialog,
PikaImage *image,
PikaLayer *layer,
PikaContext *context,
const gchar *layer_name,
PikaLayerMode layer_mode,
PikaLayerColorSpace layer_blend_space,
PikaLayerColorSpace layer_composite_space,
PikaLayerCompositeMode layer_composite_mode,
gdouble layer_opacity,
PikaFillType layer_fill_type,
gint layer_width,
gint layer_height,
gint layer_offset_x,
gint layer_offset_y,
gboolean layer_visible,
PikaColorTag layer_color_tag,
gboolean layer_lock_pixels,
gboolean layer_lock_position,
gboolean layer_lock_visibility,
gboolean layer_lock_alpha,
gboolean rename_text_layer,
gpointer user_data);
static void layers_add_mask_callback (GtkWidget *dialog,
GList *layers,
PikaAddMaskType add_mask_type,
PikaChannel *channel,
gboolean invert,
gpointer user_data);
static void layers_scale_callback (GtkWidget *dialog,
PikaViewable *viewable,
gint width,
gint height,
PikaUnit unit,
PikaInterpolationType interpolation,
gdouble xresolution,
gdouble yresolution,
PikaUnit resolution_unit,
gpointer user_data);
static void layers_resize_callback (GtkWidget *dialog,
PikaViewable *viewable,
PikaContext *context,
gint width,
gint height,
PikaUnit unit,
gint offset_x,
gint offset_y,
gdouble unused0,
gdouble unused1,
PikaUnit unused2,
PikaFillType fill_type,
PikaItemSet unused3,
gboolean unused4,
gpointer data);
static gint layers_mode_index (PikaLayerMode layer_mode,
const PikaLayerMode *modes,
gint n_modes);
/* private variables */
static PikaUnit layer_resize_unit = PIKA_UNIT_PIXEL;
static PikaUnit layer_scale_unit = PIKA_UNIT_PIXEL;
static PikaInterpolationType layer_scale_interp = -1;
/* public functions */
void
layers_edit_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GtkWidget *widget;
return_if_no_layers (image, layers, data);
return_if_no_widget (widget, data);
if (g_list_length (layers) != 1)
return;
if (pika_item_is_text_layer (PIKA_ITEM (layers->data)))
{
layers_edit_text_cmd_callback (action, value, data);
}
else
{
layers_edit_attributes_cmd_callback (action, value, data);
}
}
void
layers_edit_text_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
PikaLayer *layer;
GList *layers;
GtkWidget *widget;
PikaTool *active_tool;
return_if_no_layers (image, layers, data);
return_if_no_widget (widget, data);
if (g_list_length (layers) != 1)
return;
layer = layers->data;
g_return_if_fail (pika_item_is_text_layer (PIKA_ITEM (layer)));
active_tool = tool_manager_get_active (image->pika);
if (! PIKA_IS_TEXT_TOOL (active_tool))
{
PikaToolInfo *tool_info = pika_get_tool_info (image->pika,
"pika-text-tool");
if (PIKA_IS_TOOL_INFO (tool_info))
{
pika_context_set_tool (action_data_get_context (data), tool_info);
active_tool = tool_manager_get_active (image->pika);
}
}
if (PIKA_IS_TEXT_TOOL (active_tool))
{
if (pika_text_tool_set_layer (PIKA_TEXT_TOOL (active_tool), layer))
{
PikaDisplayShell *shell;
shell = pika_display_get_shell (active_tool->display);
gtk_widget_grab_focus (shell->canvas);
}
}
}
void
layers_edit_attributes_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
PikaLayer *layer;
GList *layers;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_layers (image, layers, data);
return_if_no_widget (widget, data);
if (g_list_length (layers) != 1)
return;
layer = layers->data;
#define EDIT_DIALOG_KEY "pika-layer-edit-attributes-dialog"
dialog = dialogs_get_dialog (G_OBJECT (layer), EDIT_DIALOG_KEY);
if (! dialog)
{
PikaItem *item = PIKA_ITEM (layer);
dialog = layer_options_dialog_new (pika_item_get_image (PIKA_ITEM (layer)),
layer,
action_data_get_context (data),
widget,
_("Layer Attributes"),
"pika-layer-edit",
PIKA_ICON_EDIT,
_("Edit Layer Attributes"),
PIKA_HELP_LAYER_EDIT,
pika_object_get_name (layer),
pika_layer_get_mode (layer),
pika_layer_get_blend_space (layer),
pika_layer_get_composite_space (layer),
pika_layer_get_composite_mode (layer),
pika_layer_get_opacity (layer),
0 /* unused */,
pika_item_get_visible (item),
pika_item_get_color_tag (item),
pika_item_get_lock_content (item),
pika_item_get_lock_position (item),
pika_item_get_lock_visibility (item),
pika_layer_get_lock_alpha (layer),
layers_edit_attributes_callback,
NULL);
dialogs_attach_dialog (G_OBJECT (layer), EDIT_DIALOG_KEY, dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
}
void
layers_new_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GtkWidget *widget;
PikaLayer *floating_sel;
GtkWidget *dialog;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
/* If there is a floating selection, the new command transforms
* the current fs into a new layer
*/
if ((floating_sel = pika_image_get_floating_selection (image)))
{
GError *error = NULL;
if (! floating_sel_to_layer (floating_sel, &error))
{
pika_message_literal (image->pika,
G_OBJECT (widget), PIKA_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
return;
}
pika_image_flush (image);
return;
}
#define NEW_DIALOG_KEY "pika-layer-new-dialog"
dialog = dialogs_get_dialog (G_OBJECT (image), NEW_DIALOG_KEY);
if (! dialog)
{
PikaDialogConfig *config = PIKA_DIALOG_CONFIG (image->pika->config);
const gchar *title;
gchar *desc;
gint n_layers;
PikaLayerMode layer_mode = config->layer_new_mode;
n_layers = g_list_length (pika_image_get_selected_layers (image));
title = ngettext ("New Layer", "New Layers", n_layers > 0 ? n_layers : 1);
desc = ngettext ("Create a New Layer", "Create %d New Layers", n_layers > 0 ? n_layers : 1);
desc = g_strdup_printf (desc, n_layers > 0 ? n_layers : 1);
if (layer_mode == PIKA_LAYER_MODE_NORMAL ||
layer_mode == PIKA_LAYER_MODE_NORMAL_LEGACY)
{
layer_mode = pika_image_get_default_new_layer_mode (image);
}
dialog = layer_options_dialog_new (image, NULL,
action_data_get_context (data),
widget,
title,
"pika-layer-new",
PIKA_ICON_LAYER,
desc,
PIKA_HELP_LAYER_NEW,
config->layer_new_name,
layer_mode,
config->layer_new_blend_space,
config->layer_new_composite_space,
config->layer_new_composite_mode,
config->layer_new_opacity,
config->layer_new_fill_type,
TRUE,
PIKA_COLOR_TAG_NONE,
FALSE,
FALSE,
FALSE,
FALSE,
layers_new_callback,
NULL);
g_free (desc);
dialogs_attach_dialog (G_OBJECT (image), NEW_DIALOG_KEY, dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
}
void
layers_new_last_vals_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GtkWidget *widget;
PikaLayer *layer;
PikaDialogConfig *config;
GList *layers;
GList *new_layers = NULL;
GList *iter;
PikaLayerMode layer_mode;
gint n_layers;
gboolean run_once;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
config = PIKA_DIALOG_CONFIG (image->pika->config);
/* If there is a floating selection, the new command transforms
* the current fs into a new layer
*/
if (pika_image_get_floating_selection (image))
{
layers_new_cmd_callback (action, value, data);
return;
}
layer_mode = config->layer_new_mode;
if (layer_mode == PIKA_LAYER_MODE_NORMAL ||
layer_mode == PIKA_LAYER_MODE_NORMAL_LEGACY)
{
layer_mode = pika_image_get_default_new_layer_mode (image);
}
layers = pika_image_get_selected_layers (image);
layers = g_list_copy (layers);
n_layers = g_list_length (layers);
run_once = (n_layers == 0);
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_LAYER_ADD,
ngettext ("New layer",
"New layers",
n_layers > 0 ? n_layers : 1));
for (iter = layers; iter || run_once ; iter = iter ? iter->next : NULL)
{
PikaLayer *parent;
gint position;
run_once = FALSE;
if (iter)
{
if (pika_viewable_get_children (PIKA_VIEWABLE (iter->data)))
{
parent = iter->data;
position = 0;
}
else
{
parent = PIKA_LAYER (pika_item_get_parent (iter->data));
position = pika_item_get_index (iter->data);
}
}
else /* run_once */
{
parent = NULL;
position = -1;
}
layer = pika_layer_new (image,
pika_image_get_width (image),
pika_image_get_height (image),
pika_image_get_layer_format (image, TRUE),
config->layer_new_name,
config->layer_new_opacity,
layer_mode);
pika_drawable_fill (PIKA_DRAWABLE (layer),
action_data_get_context (data),
config->layer_new_fill_type);
pika_layer_set_blend_space (layer,
config->layer_new_blend_space, FALSE);
pika_layer_set_composite_space (layer,
config->layer_new_composite_space, FALSE);
pika_layer_set_composite_mode (layer,
config->layer_new_composite_mode, FALSE);
pika_image_add_layer (image, layer, parent, position, TRUE);
new_layers = g_list_prepend (new_layers, layer);
}
pika_image_set_selected_layers (image, new_layers);
pika_image_undo_group_end (image);
g_list_free (layers);
g_list_free (new_layers);
pika_image_flush (image);
}
void
layers_new_from_visible_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
PikaDisplayShell *shell;
PikaLayer *layer;
PikaPickable *pickable;
PikaColorProfile *profile;
return_if_no_image (image, data);
return_if_no_shell (shell, data);
pickable = pika_display_shell_get_canvas_pickable (shell);
pika_pickable_flush (pickable);
profile = pika_color_managed_get_color_profile (PIKA_COLOR_MANAGED (image));
layer = pika_layer_new_from_gegl_buffer (pika_pickable_get_buffer (pickable),
image,
pika_image_get_layer_format (image,
TRUE),
_("Visible"),
PIKA_OPACITY_OPAQUE,
pika_image_get_default_new_layer_mode (image),
profile);
pika_image_add_layer (image, layer, PIKA_IMAGE_ACTIVE_PARENT, -1, TRUE);
pika_image_flush (image);
}
void
layers_new_group_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *new_layers = NULL;
GList *layers;
GList *iter;
gint n_layers;
gboolean run_once;
return_if_no_image (image, data);
layers = pika_image_get_selected_layers (image);
layers = g_list_copy (layers);
n_layers = g_list_length (layers);
run_once = (n_layers == 0);
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_LAYER_ADD,
ngettext ("New layer group",
"New layer groups",
n_layers > 0 ? n_layers : 1));
for (iter = layers; iter || run_once ; iter = iter ? iter->next : NULL)
{
PikaLayer *layer;
PikaLayer *parent;
gint position;
run_once = FALSE;
if (iter)
{
if (pika_viewable_get_children (PIKA_VIEWABLE (iter->data)))
{
parent = iter->data;
position = 0;
}
else
{
parent = PIKA_LAYER (pika_item_get_parent (iter->data));
position = pika_item_get_index (iter->data);
}
}
else /* run_once */
{
parent = NULL;
position = -1;
}
layer = pika_group_layer_new (image);
pika_image_add_layer (image, layer, parent, position, TRUE);
new_layers = g_list_prepend (new_layers, layer);
}
pika_image_set_selected_layers (image, new_layers);
pika_image_undo_group_end (image);
pika_image_flush (image);
g_list_free (layers);
g_list_free (new_layers);
}
void
layers_select_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *new_layers = NULL;
GList *layers;
GList *iter;
PikaActionSelectType select_type;
gboolean run_once;
return_if_no_image (image, data);
select_type = (PikaActionSelectType) g_variant_get_int32 (value);
layers = pika_image_get_selected_layers (image);
run_once = (g_list_length (layers) == 0);
for (iter = layers; iter || run_once; iter = iter ? iter->next : NULL)
{
PikaLayer *new_layer;
PikaContainer *container;
if (iter)
{
container = pika_item_get_container (PIKA_ITEM (iter->data));
}
else /* run_once */
{
container = pika_image_get_layers (image);
run_once = FALSE;
}
new_layer = (PikaLayer *) action_select_object (select_type,
container,
iter ? iter->data : NULL);
if (new_layer)
new_layers = g_list_prepend (new_layers, new_layer);
}
if (new_layers)
{
pika_image_set_selected_layers (image, new_layers);
pika_image_flush (image);
}
g_list_free (new_layers);
}
void
layers_raise_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
GList *raised_layers = NULL;
return_if_no_layers (image, layers, data);
for (iter = layers; iter; iter = iter->next)
{
gint index;
index = pika_item_get_index (iter->data);
if (index > 0)
raised_layers = g_list_prepend (raised_layers, iter->data);
}
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Raise Layer",
"Raise Layers",
g_list_length (raised_layers)));
for (iter = raised_layers; iter; iter = iter->next)
pika_image_raise_item (image, iter->data, NULL);
pika_image_flush (image);
pika_image_undo_group_end (image);
g_list_free (raised_layers);
}
void
layers_raise_to_top_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
GList *raised_layers = NULL;
return_if_no_layers (image, layers, data);
for (iter = layers; iter; iter = iter->next)
{
gint index;
index = pika_item_get_index (iter->data);
if (index > 0)
raised_layers = g_list_prepend (raised_layers, iter->data);
}
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Raise Layer to Top",
"Raise Layers to Top",
g_list_length (raised_layers)));
for (iter = raised_layers; iter; iter = iter->next)
pika_image_raise_item_to_top (image, iter->data);
pika_image_flush (image);
pika_image_undo_group_end (image);
g_list_free (raised_layers);
}
void
layers_lower_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
GList *lowered_layers = NULL;
return_if_no_layers (image, layers, data);
for (iter = layers; iter; iter = iter->next)
{
GList *layer_list;
gint index;
layer_list = pika_item_get_container_iter (PIKA_ITEM (iter->data));
index = pika_item_get_index (iter->data);
if (index < g_list_length (layer_list) - 1)
lowered_layers = g_list_prepend (lowered_layers, iter->data);
}
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Lower Layer",
"Lower Layers",
g_list_length (lowered_layers)));
for (iter = lowered_layers; iter; iter = iter->next)
pika_image_lower_item (image, iter->data, NULL);
pika_image_flush (image);
pika_image_undo_group_end (image);
g_list_free (lowered_layers);
}
void
layers_lower_to_bottom_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
GList *lowered_layers = NULL;
return_if_no_layers (image, layers, data);
for (iter = layers; iter; iter = iter->next)
{
GList *layer_list;
gint index;
layer_list = pika_item_get_container_iter (PIKA_ITEM (iter->data));
index = pika_item_get_index (iter->data);
if (index < g_list_length (layer_list) - 1)
lowered_layers = g_list_prepend (lowered_layers, iter->data);
}
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_ITEM_DISPLACE,
ngettext ("Lower Layer to Bottom",
"Lower Layers to Bottom",
g_list_length (lowered_layers)));
for (iter = lowered_layers; iter; iter = iter->next)
pika_image_lower_item_to_bottom (image, iter->data);
pika_image_flush (image);
pika_image_undo_group_end (image);
g_list_free (lowered_layers);
}
void
layers_duplicate_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *new_layers = NULL;
GList *iter;
return_if_no_layers (image, layers, data);
layers = g_list_copy (layers);
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_LAYER_ADD,
_("Duplicate layers"));
for (iter = layers; iter; iter = iter->next)
{
PikaLayer *new_layer;
new_layer = PIKA_LAYER (pika_item_duplicate (PIKA_ITEM (iter->data),
G_TYPE_FROM_INSTANCE (iter->data)));
/* use the actual parent here, not PIKA_IMAGE_ACTIVE_PARENT because
* the latter would add a duplicated group inside itself instead of
* above it
*/
pika_image_add_layer (image, new_layer,
pika_layer_get_parent (iter->data),
pika_item_get_index (iter->data),
TRUE);
new_layers = g_list_prepend (new_layers, new_layer);
}
pika_image_set_selected_layers (image, new_layers);
g_list_free (layers);
g_list_free (new_layers);
pika_image_undo_group_end (image);
pika_image_flush (image);
}
void
layers_anchor_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
return_if_no_layers (image, layers, data);
if (g_list_length (layers) == 1 &&
pika_layer_is_floating_sel (layers->data))
{
floating_sel_anchor (layers->data);
pika_image_flush (image);
}
}
void
layers_merge_down_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
PikaDisplay *display;
GError *error = NULL;
return_if_no_layers (image, layers, data);
return_if_no_display (display, data);
layers = pika_image_merge_down (image, layers, action_data_get_context (data),
PIKA_EXPAND_AS_NECESSARY,
PIKA_PROGRESS (display), &error);
if (error)
{
pika_message_literal (image->pika,
G_OBJECT (display), PIKA_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
return;
}
pika_image_set_selected_layers (image, layers);
g_list_free (layers);
pika_image_flush (image);
}
void
layers_merge_group_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *merge_layers = NULL;
GList *iter;
return_if_no_layers (image, layers, data);
for (iter = layers; iter; iter = iter->next)
{
if (pika_viewable_get_children (PIKA_VIEWABLE (iter->data)))
{
GList *iter2;
for (iter2 = layers; iter2; iter2 = iter2->next)
{
/* Do not merge a layer when we already merge one of its
* ancestors.
*/
if (pika_viewable_is_ancestor (iter2->data, iter->data))
break;
}
if (iter2 == NULL)
merge_layers = g_list_prepend (merge_layers, iter->data);
}
}
if (g_list_length (merge_layers) > 1)
{
gchar *undo_name;
undo_name = g_strdup_printf (C_("undo-type", "Merge %d Layer Groups"),
g_list_length (merge_layers));
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_IMAGE_LAYERS_MERGE,
undo_name);
g_free (undo_name);
}
for (iter = merge_layers; iter; iter = iter->next)
pika_image_merge_group_layer (image, PIKA_GROUP_LAYER (iter->data));
if (g_list_length (merge_layers) > 1)
pika_image_undo_group_end (image);
g_list_free (merge_layers);
pika_image_flush (image);
}
void
layers_delete_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *removed_layers;
GList *iter;
GList *iter2;
return_if_no_image (image, data);
layers = pika_image_get_selected_layers (image);
/*TODO: we should have a failsafe to determine when we are going to
* delete all layers (i.e. all layers of first level at least) and
* forbid it. */
/* Copy of the original selection. */
removed_layers = g_list_copy (layers);
/* Removing children layers (they will be removed anyway by removing
* the parent.
*/
for (iter = removed_layers; iter; iter = iter->next)
{
for (iter2 = removed_layers; iter2; iter2 = iter2->next)
{
if (iter->data != iter2->data &&
pika_viewable_is_ancestor (iter2->data, iter->data))
{
removed_layers = g_list_delete_link (removed_layers, iter);
iter = removed_layers;
break;
}
}
}
if (g_list_length (removed_layers) > 1)
{
gchar *undo_name;
undo_name = g_strdup_printf (C_("undo-type", "Remove %d Layers"),
g_list_length (removed_layers));
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_IMAGE_ITEM_REMOVE,
undo_name);
}
for (iter = removed_layers; iter; iter = iter->next)
pika_image_remove_layer (image, iter->data, TRUE, NULL);
if (g_list_length (removed_layers) > 1)
pika_image_undo_group_end (image);
g_list_free (removed_layers);
pika_image_flush (image);
}
void
layers_text_discard_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
return_if_no_layers (image, layers, data);
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_TEXT,
_("Discard Text Information"));
for (iter = layers; iter; iter = iter->next)
if (PIKA_IS_TEXT_LAYER (iter->data))
pika_text_layer_discard (PIKA_TEXT_LAYER (iter->data));
pika_image_undo_group_end (image);
}
void
layers_text_to_vectors_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
return_if_no_layers (image, layers, data);
/* TODO: have the proper undo group. */
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_VECTORS_IMPORT,
_("Add Paths"));
for (iter = layers; iter; iter = iter->next)
{
PikaLayer *layer = iter->data;
if (PIKA_IS_TEXT_LAYER (layer))
{
PikaVectors *vectors;
gint x, y;
vectors = pika_text_vectors_new (image, PIKA_TEXT_LAYER (layer)->text);
pika_item_get_offset (PIKA_ITEM (layer), &x, &y);
pika_item_translate (PIKA_ITEM (vectors), x, y, FALSE);
pika_image_add_vectors (image, vectors,
PIKA_IMAGE_ACTIVE_PARENT, -1, TRUE);
pika_image_flush (image);
}
}
pika_image_undo_group_end (image);
}
void
layers_text_along_vectors_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *paths;
PikaLayer *layer;
PikaVectors *vectors;
return_if_no_layers (image, layers, data);
return_if_no_vectors_list (image, paths, data);
if (g_list_length (layers) != 1 || g_list_length (paths) != 1)
return;
layer = layers->data;
vectors = paths->data;
if (PIKA_IS_TEXT_LAYER (layer))
{
gdouble box_width;
gdouble box_height;
PikaVectors *new_vectors;
gdouble offset;
box_width = pika_item_get_width (PIKA_ITEM (layer));
box_height = pika_item_get_height (PIKA_ITEM (layer));
new_vectors = pika_text_vectors_new (image, PIKA_TEXT_LAYER (layer)->text);
offset = 0;
switch (PIKA_TEXT_LAYER (layer)->text->base_dir)
{
case PIKA_TEXT_DIRECTION_LTR:
case PIKA_TEXT_DIRECTION_RTL:
offset = 0.5 * box_height;
break;
case PIKA_TEXT_DIRECTION_TTB_RTL:
case PIKA_TEXT_DIRECTION_TTB_RTL_UPRIGHT:
case PIKA_TEXT_DIRECTION_TTB_LTR:
case PIKA_TEXT_DIRECTION_TTB_LTR_UPRIGHT:
{
PikaStroke *stroke = NULL;
while ((stroke = pika_vectors_stroke_get_next (new_vectors, stroke)))
{
pika_stroke_rotate (stroke, 0, 0, 270);
pika_stroke_translate (stroke, 0, box_width);
}
}
offset = 0.5 * box_width;
break;
}
pika_vectors_warp_vectors (vectors, new_vectors, offset);
pika_item_set_visible (PIKA_ITEM (new_vectors), TRUE, FALSE);
pika_image_add_vectors (image, new_vectors,
PIKA_IMAGE_ACTIVE_PARENT, -1, TRUE);
pika_image_flush (image);
}
}
void
layers_resize_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
PikaLayer *layer;
GList *layers;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_layers (image, layers, data);
return_if_no_widget (widget, data);
#define RESIZE_DIALOG_KEY "pika-resize-dialog"
g_return_if_fail (g_list_length (layers) == 1);
layer = layers->data;
dialog = dialogs_get_dialog (G_OBJECT (layer), RESIZE_DIALOG_KEY);
if (! dialog)
{
PikaDialogConfig *config = PIKA_DIALOG_CONFIG (image->pika->config);
PikaDisplay *display = NULL;
if (PIKA_IS_IMAGE_WINDOW (data))
display = action_data_get_display (data);
if (layer_resize_unit != PIKA_UNIT_PERCENT && display)
layer_resize_unit = pika_display_get_shell (display)->unit;
dialog = resize_dialog_new (PIKA_VIEWABLE (layer),
action_data_get_context (data),
_("Set Layer Boundary Size"),
"pika-layer-resize",
widget,
pika_standard_help_func,
PIKA_HELP_LAYER_RESIZE,
layer_resize_unit,
config->layer_resize_fill_type,
PIKA_ITEM_SET_NONE,
FALSE,
layers_resize_callback,
NULL);
dialogs_attach_dialog (G_OBJECT (layer), RESIZE_DIALOG_KEY, dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
}
void
layers_resize_to_image_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
return_if_no_layers (image, layers, data);
if (g_list_length (layers) > 1)
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_ITEM_RESIZE,
_("Layers to Image Size"));
for (iter = layers; iter; iter = iter->next)
pika_layer_resize_to_image (iter->data,
action_data_get_context (data),
PIKA_FILL_TRANSPARENT);
if (g_list_length (layers) > 1)
pika_image_undo_group_end (image);
pika_image_flush (image);
}
void
layers_scale_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
PikaLayer *layer;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_layers (image, layers, data);
return_if_no_widget (widget, data);
#define SCALE_DIALOG_KEY "pika-scale-dialog"
g_return_if_fail (g_list_length (layers) == 1);
layer = layers->data;
dialog = dialogs_get_dialog (G_OBJECT (layer), SCALE_DIALOG_KEY);
if (! dialog)
{
PikaDisplay *display = NULL;
if (PIKA_IS_IMAGE_WINDOW (data))
display = action_data_get_display (data);
if (layer_scale_unit != PIKA_UNIT_PERCENT && display)
layer_scale_unit = pika_display_get_shell (display)->unit;
if (layer_scale_interp == -1)
layer_scale_interp = image->pika->config->interpolation_type;
dialog = scale_dialog_new (PIKA_VIEWABLE (layer),
action_data_get_context (data),
_("Scale Layer"), "pika-layer-scale",
widget,
pika_standard_help_func, PIKA_HELP_LAYER_SCALE,
layer_scale_unit,
layer_scale_interp,
layers_scale_callback,
display);
dialogs_attach_dialog (G_OBJECT (layer), SCALE_DIALOG_KEY, dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
}
void
layers_crop_to_selection_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
GtkWidget *widget;
gchar *desc;
gint x, y;
gint width, height;
return_if_no_layers (image, layers, data);
return_if_no_widget (widget, data);
if (! pika_item_bounds (PIKA_ITEM (pika_image_get_mask (image)),
&x, &y, &width, &height))
{
pika_message_literal (image->pika,
G_OBJECT (widget), PIKA_MESSAGE_WARNING,
_("Cannot crop because the current selection "
"is empty."));
return;
}
desc = g_strdup_printf (ngettext ("Crop Layer to Selection",
"Crop %d Layers to Selection",
g_list_length (layers)),
g_list_length (layers));
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_ITEM_RESIZE, desc);
g_free (desc);
for (iter = layers; iter; iter = iter->next)
{
gint off_x, off_y;
pika_item_get_offset (PIKA_ITEM (iter->data), &off_x, &off_y);
off_x -= x;
off_y -= y;
pika_item_resize (PIKA_ITEM (iter->data),
action_data_get_context (data), PIKA_FILL_TRANSPARENT,
width, height, off_x, off_y);
}
pika_image_undo_group_end (image);
pika_image_flush (image);
}
void
layers_crop_to_content_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
GtkWidget *widget;
gchar *desc;
gint x, y;
gint width, height;
gint n_croppable = 0;
return_if_no_layers (image, layers, data);
return_if_no_widget (widget, data);
for (iter = layers; iter; iter = iter->next)
{
switch (pika_pickable_auto_shrink (PIKA_PICKABLE (iter->data),
0, 0,
pika_item_get_width (iter->data),
pika_item_get_height (iter->data),
&x, &y, &width, &height))
{
case PIKA_AUTO_SHRINK_SHRINK:
n_croppable++;
break;
case PIKA_AUTO_SHRINK_EMPTY:
/* Cannot crop because the layer has no content. */
case PIKA_AUTO_SHRINK_UNSHRINKABLE:
/* Cannot crop because the active layer is already cropped to
* its content. */
break;
}
}
if (n_croppable == 0)
{
pika_message_literal (image->pika,
G_OBJECT (widget), PIKA_MESSAGE_INFO,
_("Cannot crop because none of the selected"
" layers have content or they are already"
" cropped to their content."));
return;
}
desc = g_strdup_printf (ngettext ("Crop Layer to Content",
"Crop %d Layers to Content",
n_croppable),
n_croppable);
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_ITEM_RESIZE, desc);
g_free (desc);
for (iter = layers; iter; iter = iter->next)
{
switch (pika_pickable_auto_shrink (PIKA_PICKABLE (iter->data),
0, 0,
pika_item_get_width (iter->data),
pika_item_get_height (iter->data),
&x, &y, &width, &height))
{
case PIKA_AUTO_SHRINK_SHRINK:
pika_item_resize (iter->data,
action_data_get_context (data), PIKA_FILL_TRANSPARENT,
width, height, -x, -y);
break;
default:
break;
}
}
pika_image_flush (image);
pika_image_undo_group_end (image);
}
void
layers_mask_add_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
GtkWidget *widget;
GtkWidget *dialog;
GList *update_layers = NULL;
gint n_channels = 0;
return_if_no_layers (image, layers, data);
return_if_no_widget (widget, data);
for (iter = layers; iter; iter = iter->next)
{
g_return_if_fail (PIKA_IS_LAYER (iter->data));
if (! pika_layer_get_mask (iter->data))
{
update_layers = g_list_prepend (update_layers, iter->data);
n_channels++;
}
}
if (n_channels == 0)
/* No layers or they all have masks already. */
return;
#define ADD_MASK_DIALOG_KEY "pika-add-mask-dialog"
for (iter = update_layers; iter; iter = iter->next)
{
dialog = dialogs_get_dialog (G_OBJECT (iter->data), ADD_MASK_DIALOG_KEY);
if (dialog)
break;
}
if (! dialog)
{
PikaDialogConfig *config = PIKA_DIALOG_CONFIG (image->pika->config);
dialog = layer_add_mask_dialog_new (update_layers, action_data_get_context (data),
widget,
config->layer_add_mask_type,
config->layer_add_mask_invert,
layers_add_mask_callback,
NULL);
for (iter = update_layers; iter; iter = iter->next)
dialogs_attach_dialog (G_OBJECT (iter->data), ADD_MASK_DIALOG_KEY, dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
}
void
layers_mask_add_last_vals_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
GtkWidget *widget;
PikaDialogConfig *config;
PikaChannel *channel = NULL;
PikaLayerMask *mask;
return_if_no_layers (image, layers, data);
return_if_no_widget (widget, data);
config = PIKA_DIALOG_CONFIG (image->pika->config);
if (config->layer_add_mask_type == PIKA_ADD_MASK_CHANNEL)
{
GList *selected_channels;
selected_channels = pika_image_get_selected_channels (image);
if (selected_channels)
{
channel = selected_channels->data;
}
else
{
PikaContainer *channels = pika_image_get_channels (image);
channel = PIKA_CHANNEL (pika_container_get_first_child (channels));
}
if (! channel)
{
layers_mask_add_cmd_callback (action, value, data);
return;
}
}
for (iter = layers; iter; iter = iter->next)
{
if (! pika_layer_get_mask (iter->data))
break;
}
if (iter == NULL)
/* No layers or they all have masks already. */
return;
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_LAYER_ADD,
_("Add Layer Masks"));
for (iter = layers; iter; iter = iter->next)
{
if (pika_layer_get_mask (iter->data))
continue;
mask = pika_layer_create_mask (iter->data,
config->layer_add_mask_type,
channel);
if (config->layer_add_mask_invert)
pika_channel_invert (PIKA_CHANNEL (mask), FALSE);
pika_layer_add_mask (iter->data, mask, TRUE, NULL);
}
pika_image_undo_group_end (image);
pika_image_flush (image);
}
void
layers_mask_apply_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaMaskApplyMode mode;
PikaImage *image;
GList *layers;
GList *iter;
gchar *undo_text = NULL;
PikaUndoType undo_type = PIKA_UNDO_GROUP_NONE;
return_if_no_layers (image, layers, data);
mode = (PikaMaskApplyMode) g_variant_get_int32 (value);
for (iter = layers; iter; iter = iter->next)
{
if (pika_layer_get_mask (iter->data) &&
(mode != PIKA_MASK_APPLY ||
(! pika_viewable_get_children (PIKA_VIEWABLE (iter->data)) &&
! pika_item_is_content_locked (PIKA_ITEM (iter->data), NULL))))
break;
}
if (iter == NULL)
/* No layers or none have applicable masks. */
return;
switch (mode)
{
case PIKA_MASK_APPLY:
undo_type = PIKA_UNDO_GROUP_MASK;
undo_text = _("Apply Layer Masks");
break;
case PIKA_MASK_DISCARD:
undo_type = PIKA_UNDO_GROUP_MASK;
undo_text = _("Delete Layer Masks");
break;
default:
g_warning ("%s: unhandled PikaMaskApplyMode %d\n",
G_STRFUNC, mode);
break;
}
if (undo_type != PIKA_UNDO_GROUP_NONE)
pika_image_undo_group_start (image, undo_type, undo_text);
for (iter = layers; iter; iter = iter->next)
{
if (pika_layer_get_mask (iter->data))
{
if (mode == PIKA_MASK_APPLY &&
(pika_viewable_get_children (PIKA_VIEWABLE (iter->data)) ||
pika_item_is_content_locked (PIKA_ITEM (iter->data), NULL)))
/* Layer groups cannot apply masks. Neither can
* content-locked layers.
*/
continue;
pika_layer_apply_mask (iter->data, mode, TRUE);
}
}
if (undo_type != PIKA_UNDO_GROUP_NONE)
pika_image_undo_group_end (image);
pika_image_flush (image);
}
void
layers_mask_edit_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
gboolean active = g_variant_get_boolean (value);
return_if_no_layers (image, layers, data);
/* Multiple-layer selection cannot edit masks. */
active = active && (g_list_length (layers) == 1);
for (iter = layers; iter; iter = iter->next)
if (pika_layer_get_mask (iter->data))
pika_layer_set_edit_mask (iter->data, active);
pika_image_flush (image);
}
void
layers_mask_show_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
gboolean active = g_variant_get_boolean (value);
gboolean have_masks = FALSE;
return_if_no_layers (image, layers, data);
for (iter = layers; iter; iter = iter->next)
{
if (pika_layer_get_mask (iter->data))
{
have_masks = TRUE;
/* A bit of tricky to handle multiple and diverse layers with
* a toggle action (with only binary state).
* In non-active state, we will consider sets of both shown
* and hidden masks as ok and exits. This allows us to switch
* the action "active" state without actually changing
* individual masks state without explicit user request.
*/
if (! active && ! pika_layer_get_show_mask (iter->data))
return;
}
}
if (! have_masks)
return;
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_LAYER_ADD,
_("Show Layer Masks"));
for (iter = layers; iter; iter = iter->next)
{
if (pika_layer_get_mask (iter->data))
{
pika_layer_set_show_mask (iter->data, active, TRUE);
}
}
pika_image_flush (image);
pika_image_undo_group_end (image);
}
void
layers_mask_disable_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
gboolean active = g_variant_get_boolean (value);
gboolean have_masks = FALSE;
return_if_no_layers (image, layers, data);
for (iter = layers; iter; iter = iter->next)
{
if (pika_layer_get_mask (iter->data))
{
have_masks = TRUE;
/* A bit of tricky to handle multiple and diverse layers with
* a toggle action (with only binary state).
* In non-active state, we will consider sets of both enabled
* and disabled masks as ok and exits. This allows us to
* switch the action "active" state without actually changing
* individual masks state without explicit user request.
*/
if (! active && pika_layer_get_apply_mask (iter->data))
return;
}
}
if (! have_masks)
return;
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_LAYER_ADD,
_("Disable Layer Masks"));
for (iter = layers; iter; iter = iter->next)
{
if (pika_layer_get_mask (iter->data))
{
pika_layer_set_apply_mask (iter->data, ! active, TRUE);
}
}
pika_image_flush (image);
pika_image_undo_group_end (image);
}
void
layers_mask_to_selection_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
GList *masks = NULL;
return_if_no_layers (image, layers, data);
for (iter = layers; iter; iter = iter->next)
{
if (pika_layer_get_mask (iter->data))
masks = g_list_prepend (masks, pika_layer_get_mask (iter->data));
}
if (masks)
{
PikaChannelOps operation = (PikaChannelOps) g_variant_get_int32 (value);
switch (operation)
{
case PIKA_CHANNEL_OP_REPLACE:
pika_channel_push_undo (pika_image_get_mask (image),
C_("undo-type", "Masks to Selection"));
break;
case PIKA_CHANNEL_OP_ADD:
pika_channel_push_undo (pika_image_get_mask (image),
C_("undo-type", "Add Masks to Selection"));
break;
case PIKA_CHANNEL_OP_SUBTRACT:
pika_channel_push_undo (pika_image_get_mask (image),
C_("undo-type", "Subtract Masks from Selection"));
break;
case PIKA_CHANNEL_OP_INTERSECT:
pika_channel_push_undo (pika_image_get_mask (image),
C_("undo-type", "Intersect Masks with Selection"));
break;
}
pika_channel_combine_items (pika_image_get_mask (image),
masks, operation);
pika_image_flush (image);
g_list_free (masks);
}
}
void
layers_alpha_add_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
return_if_no_layers (image, layers, data);
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_LAYER_ADD_ALPHA,
_("Add Alpha Channel"));
for (iter = layers; iter; iter = iter->next)
if (! pika_drawable_has_alpha (iter->data))
pika_layer_add_alpha (iter->data);
pika_image_undo_group_end (image);
pika_image_flush (image);
}
void
layers_alpha_remove_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
return_if_no_layers (image, layers, data);
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_LAYER_ADD_ALPHA,
_("Remove Alpha Channel"));
for (iter = layers; iter; iter = iter->next)
if (pika_drawable_has_alpha (iter->data))
pika_layer_remove_alpha (iter->data, action_data_get_context (data));
pika_image_undo_group_end (image);
pika_image_flush (image);
}
void
layers_alpha_to_selection_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
PikaDisplay *display;
GList *layers;
PikaChannelOps operation;
return_if_no_layers (image, layers, data);
return_if_no_display (display, data);
operation = (PikaChannelOps) g_variant_get_int32 (value);
switch (operation)
{
case PIKA_CHANNEL_OP_REPLACE:
pika_channel_push_undo (pika_image_get_mask (image),
C_("undo-type", "Alpha to Selection"));
break;
case PIKA_CHANNEL_OP_ADD:
pika_channel_push_undo (pika_image_get_mask (image),
C_("undo-type", "Add Alpha to Selection"));
break;
case PIKA_CHANNEL_OP_SUBTRACT:
pika_channel_push_undo (pika_image_get_mask (image),
C_("undo-type", "Subtract Alpha from Selection"));
break;
case PIKA_CHANNEL_OP_INTERSECT:
pika_channel_push_undo (pika_image_get_mask (image),
C_("undo-type", "Intersect Alpha with Selection"));
break;
}
pika_channel_combine_items (pika_image_get_mask (image),
layers, operation);
pika_image_flush (image);
if (pika_channel_is_empty (pika_image_get_mask (image)))
{
pika_message_literal (image->pika, G_OBJECT (display),
PIKA_MESSAGE_WARNING,
_("Empty Selection"));
}
}
void
layers_opacity_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
gdouble opacity;
PikaUndo *undo;
PikaActionSelectType select_type;
gboolean push_undo = TRUE;
return_if_no_layers (image, layers, data);
select_type = (PikaActionSelectType) g_variant_get_int32 (value);
if (g_list_length (layers) == 1)
{
undo = pika_image_undo_can_compress (image, PIKA_TYPE_ITEM_UNDO,
PIKA_UNDO_LAYER_OPACITY);
if (undo && PIKA_ITEM_UNDO (undo)->item == PIKA_ITEM (layers->data))
push_undo = FALSE;
}
if (g_list_length (layers) > 1)
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_LAYER_OPACITY,
_("Set layers opacity"));
for (iter = layers; iter; iter = iter->next)
{
opacity = action_select_value (select_type,
pika_layer_get_opacity (iter->data),
0.0, 1.0, 1.0,
1.0 / 255.0, 0.01, 0.1, 0.0, FALSE);
pika_layer_set_opacity (iter->data, opacity, push_undo);
}
if (g_list_length (layers) > 1)
pika_image_undo_group_end (image);
pika_image_flush (image);
}
void
layers_mode_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
PikaActionSelectType select_type;
gboolean push_undo = TRUE;
return_if_no_layers (image, layers, data);
select_type = (PikaActionSelectType) g_variant_get_int32 (value);
if (g_list_length (layers) == 1)
{
PikaUndo *undo;
undo = pika_image_undo_can_compress (image, PIKA_TYPE_ITEM_UNDO,
PIKA_UNDO_LAYER_MODE);
if (undo && PIKA_ITEM_UNDO (undo)->item == PIKA_ITEM (layers->data))
push_undo = FALSE;
}
if (g_list_length (layers) > 1)
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_LAYER_OPACITY,
_("Set layers opacity"));
for (iter = layers; iter; iter = iter->next)
{
PikaLayerMode *modes;
gint n_modes;
PikaLayerMode layer_mode;
gint index;
layer_mode = pika_layer_get_mode (iter->data);
modes = pika_layer_mode_get_context_array (layer_mode,
PIKA_LAYER_MODE_CONTEXT_LAYER,
&n_modes);
index = layers_mode_index (layer_mode, modes, n_modes);
index = action_select_value (select_type,
index, 0, n_modes - 1, 0,
0.0, 1.0, 1.0, 0.0, FALSE);
layer_mode = modes[index];
g_free (modes);
pika_layer_set_mode (iter->data, layer_mode, push_undo);
}
if (g_list_length (layers) > 1)
pika_image_undo_group_end (image);
pika_image_flush (image);
}
void
layers_blend_space_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *update_layers = NULL;
GList *iter;
PikaLayerColorSpace blend_space;
gboolean push_undo = TRUE;
return_if_no_layers (image, layers, data);
blend_space = (PikaLayerColorSpace) g_variant_get_int32 (value);
for (iter = layers; iter; iter = iter->next)
{
PikaLayerMode mode;
mode = pika_layer_get_mode (iter->data);
if (pika_layer_mode_is_blend_space_mutable (mode) &&
blend_space != pika_layer_get_blend_space (iter->data))
update_layers = g_list_prepend (update_layers, iter->data);
}
if (g_list_length (update_layers) == 1)
{
PikaUndo *undo;
undo = pika_image_undo_can_compress (image, PIKA_TYPE_LAYER_PROP_UNDO,
PIKA_UNDO_LAYER_MODE);
if (undo && PIKA_ITEM_UNDO (undo)->item == PIKA_ITEM (update_layers->data))
push_undo = FALSE;
}
if (update_layers)
{
if (g_list_length (update_layers) > 1)
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_LAYER_MODE,
_("Set layers' blend space"));
for (iter = update_layers; iter; iter = iter->next)
pika_layer_set_blend_space (iter->data, blend_space, push_undo);
if (g_list_length (update_layers) > 1)
pika_image_undo_group_end (image);
g_list_free (update_layers);
pika_image_flush (image);
}
}
void
layers_composite_space_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *update_layers = NULL;
GList *iter;
PikaLayerColorSpace composite_space;
gboolean push_undo = TRUE;
return_if_no_layers (image, layers, data);
composite_space = (PikaLayerColorSpace) g_variant_get_int32 (value);
for (iter = layers; iter; iter = iter->next)
{
PikaLayerMode mode;
mode = pika_layer_get_mode (iter->data);
if (pika_layer_mode_is_composite_space_mutable (mode) &&
composite_space != pika_layer_get_composite_space (iter->data))
update_layers = g_list_prepend (update_layers, iter->data);
}
if (g_list_length (update_layers) == 1)
{
PikaUndo *undo;
undo = pika_image_undo_can_compress (image, PIKA_TYPE_LAYER_PROP_UNDO,
PIKA_UNDO_LAYER_MODE);
if (undo && PIKA_ITEM_UNDO (undo)->item == PIKA_ITEM (update_layers->data))
push_undo = FALSE;
}
if (update_layers)
{
if (g_list_length (update_layers) > 1)
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_LAYER_MODE,
_("Set layers' composite space"));
for (iter = update_layers; iter; iter = iter->next)
pika_layer_set_composite_space (iter->data, composite_space, push_undo);
if (g_list_length (update_layers) > 1)
pika_image_undo_group_end (image);
g_list_free (update_layers);
pika_image_flush (image);
}
}
void
layers_composite_mode_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *update_layers = NULL;
GList *iter;
PikaLayerCompositeMode composite_mode;
gboolean push_undo = TRUE;
return_if_no_layers (image, layers, data);
composite_mode = (PikaLayerCompositeMode) g_variant_get_int32 (value);
for (iter = layers; iter; iter = iter->next)
{
PikaLayerMode mode;
mode = pika_layer_get_mode (iter->data);
if (pika_layer_mode_is_composite_mode_mutable (mode) &&
composite_mode != pika_layer_get_composite_mode (iter->data))
update_layers = g_list_prepend (update_layers, iter->data);
}
if (g_list_length (update_layers) == 1)
{
PikaUndo *undo;
undo = pika_image_undo_can_compress (image, PIKA_TYPE_LAYER_PROP_UNDO,
PIKA_UNDO_LAYER_MODE);
if (undo && PIKA_ITEM_UNDO (undo)->item == PIKA_ITEM (update_layers->data))
push_undo = FALSE;
}
if (update_layers)
{
if (g_list_length (update_layers) > 1)
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_LAYER_MODE,
_("Set layers' composite mode"));
for (iter = update_layers; iter; iter = iter->next)
pika_layer_set_composite_mode (iter->data, composite_mode, push_undo);
if (g_list_length (update_layers) > 1)
pika_image_undo_group_end (image);
g_list_free (update_layers);
pika_image_flush (image);
}
}
void
layers_visible_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
return_if_no_layers (image, layers, data);
items_visible_cmd_callback (action, value, image, layers);
}
void
layers_lock_content_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
return_if_no_layers (image, layers, data);
items_lock_content_cmd_callback (action, value, image, layers);
}
void
layers_lock_position_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
return_if_no_layers (image, layers, data);
items_lock_position_cmd_callback (action, value, image, layers);
}
void
layers_lock_alpha_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
GList *iter;
gboolean lock_alpha;
gboolean lock_change = FALSE;
return_if_no_layers (image, layers, data);
lock_alpha = g_variant_get_boolean (value);
for (iter = layers; iter; iter = iter->next)
{
if (pika_layer_can_lock_alpha (iter->data))
{
/* Similar trick as in layers_mask_show_cmd_callback().
* When unlocking, we expect all selected layers to be locked,
* otherwise SET_ACTIVE() calls in layers-actions.c will
* trigger lock updates.
*/
if (! lock_alpha && ! pika_layer_get_lock_alpha (iter->data))
return;
if (lock_alpha != pika_layer_get_lock_alpha (iter->data))
lock_change = TRUE;
}
}
if (! lock_change)
/* No layer locks would be changed. */
return;
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_LAYER_LOCK_ALPHA,
lock_alpha ? _("Lock alpha channels") : _("Unlock alpha channels"));
for (iter = layers; iter; iter = iter->next)
{
if (pika_layer_can_lock_alpha (iter->data))
{
if (lock_alpha != pika_layer_get_lock_alpha (iter->data))
pika_layer_set_lock_alpha (iter->data, lock_alpha, TRUE);
}
}
pika_image_undo_group_end (image);
pika_image_flush (image);
}
void
layers_color_tag_cmd_callback (PikaAction *action,
GVariant *value,
gpointer data)
{
PikaImage *image;
GList *layers;
PikaColorTag color_tag;
return_if_no_layers (image, layers, data);
color_tag = (PikaColorTag) g_variant_get_int32 (value);
items_color_tag_cmd_callback (action, image, layers, color_tag);
}
/* private functions */
static void
layers_new_callback (GtkWidget *dialog,
PikaImage *image,
PikaLayer *layer,
PikaContext *context,
const gchar *layer_name,
PikaLayerMode layer_mode,
PikaLayerColorSpace layer_blend_space,
PikaLayerColorSpace layer_composite_space,
PikaLayerCompositeMode layer_composite_mode,
gdouble layer_opacity,
PikaFillType layer_fill_type,
gint layer_width,
gint layer_height,
gint layer_offset_x,
gint layer_offset_y,
gboolean layer_visible,
PikaColorTag layer_color_tag,
gboolean layer_lock_pixels,
gboolean layer_lock_position,
gboolean layer_lock_visibility,
gboolean layer_lock_alpha,
gboolean rename_text_layer, /* unused */
gpointer user_data)
{
PikaDialogConfig *config = PIKA_DIALOG_CONFIG (image->pika->config);
GList *layers = pika_image_get_selected_layers (image);
GList *new_layers = NULL;
GList *iter;
gint n_layers = g_list_length (layers);
gboolean run_once = (n_layers == 0);
g_object_set (config,
"layer-new-name", layer_name,
"layer-new-mode", layer_mode,
"layer-new-blend-space", layer_blend_space,
"layer-new-composite-space", layer_composite_space,
"layer-new-composite-mode", layer_composite_mode,
"layer-new-opacity", layer_opacity,
"layer-new-fill-type", layer_fill_type,
NULL);
layers = g_list_copy (layers);
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_LAYER_ADD,
ngettext ("New layer",
"New layers",
n_layers > 0 ? n_layers : 1));
for (iter = layers; iter || run_once; iter = iter ? iter->next : NULL)
{
PikaLayer *parent;
gint position;
run_once = FALSE;
if (iter)
{
if (pika_viewable_get_children (PIKA_VIEWABLE (iter->data)))
{
parent = iter->data;
position = 0;
}
else
{
parent = PIKA_LAYER (pika_item_get_parent (iter->data));
position = pika_item_get_index (iter->data);
}
}
else /* run_once */
{
parent = NULL;
position = 0;
}
layer = pika_layer_new (image, layer_width, layer_height,
pika_image_get_layer_format (image, TRUE),
config->layer_new_name,
config->layer_new_opacity,
config->layer_new_mode);
if (layer)
{
pika_item_set_offset (PIKA_ITEM (layer), layer_offset_x, layer_offset_y);
pika_drawable_fill (PIKA_DRAWABLE (layer), context,
config->layer_new_fill_type);
pika_item_set_visible (PIKA_ITEM (layer), layer_visible, FALSE);
pika_item_set_color_tag (PIKA_ITEM (layer), layer_color_tag, FALSE);
pika_item_set_lock_content (PIKA_ITEM (layer), layer_lock_pixels,
FALSE);
pika_item_set_lock_position (PIKA_ITEM (layer), layer_lock_position,
FALSE);
pika_item_set_lock_visibility (PIKA_ITEM (layer), layer_lock_visibility,
FALSE);
pika_layer_set_lock_alpha (layer, layer_lock_alpha, FALSE);
pika_layer_set_blend_space (layer, layer_blend_space, FALSE);
pika_layer_set_composite_space (layer, layer_composite_space, FALSE);
pika_layer_set_composite_mode (layer, layer_composite_mode, FALSE);
pika_image_add_layer (image, layer, parent, position, TRUE);
pika_image_flush (image);
new_layers = g_list_prepend (new_layers, layer);
}
else
{
g_warning ("%s: could not allocate new layer", G_STRFUNC);
}
}
pika_image_undo_group_end (image);
pika_image_set_selected_layers (image, new_layers);
g_list_free (layers);
g_list_free (new_layers);
gtk_widget_destroy (dialog);
}
static void
layers_edit_attributes_callback (GtkWidget *dialog,
PikaImage *image,
PikaLayer *layer,
PikaContext *context,
const gchar *layer_name,
PikaLayerMode layer_mode,
PikaLayerColorSpace layer_blend_space,
PikaLayerColorSpace layer_composite_space,
PikaLayerCompositeMode layer_composite_mode,
gdouble layer_opacity,
PikaFillType unused1,
gint unused2,
gint unused3,
gint layer_offset_x,
gint layer_offset_y,
gboolean layer_visible,
PikaColorTag layer_color_tag,
gboolean layer_lock_pixels,
gboolean layer_lock_position,
gboolean layer_lock_visibility,
gboolean layer_lock_alpha,
gboolean rename_text_layer,
gpointer user_data)
{
PikaItem *item = PIKA_ITEM (layer);
if (strcmp (layer_name, pika_object_get_name (layer)) ||
layer_mode != pika_layer_get_mode (layer) ||
layer_blend_space != pika_layer_get_blend_space (layer) ||
layer_composite_space != pika_layer_get_composite_space (layer) ||
layer_composite_mode != pika_layer_get_composite_mode (layer) ||
layer_opacity != pika_layer_get_opacity (layer) ||
layer_offset_x != pika_item_get_offset_x (item) ||
layer_offset_y != pika_item_get_offset_y (item) ||
layer_visible != pika_item_get_visible (item) ||
layer_color_tag != pika_item_get_color_tag (item) ||
layer_lock_pixels != pika_item_get_lock_content (item) ||
layer_lock_position != pika_item_get_lock_position (item) ||
layer_lock_visibility != pika_item_get_lock_visibility (item) ||
layer_lock_alpha != pika_layer_get_lock_alpha (layer))
{
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_ITEM_PROPERTIES,
_("Layer Attributes"));
if (strcmp (layer_name, pika_object_get_name (layer)))
{
GError *error = NULL;
if (! pika_item_rename (PIKA_ITEM (layer), layer_name, &error))
{
pika_message_literal (image->pika,
G_OBJECT (dialog), PIKA_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
}
}
if (layer_mode != pika_layer_get_mode (layer))
pika_layer_set_mode (layer, layer_mode, TRUE);
if (layer_blend_space != pika_layer_get_blend_space (layer))
pika_layer_set_blend_space (layer, layer_blend_space, TRUE);
if (layer_composite_space != pika_layer_get_composite_space (layer))
pika_layer_set_composite_space (layer, layer_composite_space, TRUE);
if (layer_composite_mode != pika_layer_get_composite_mode (layer))
pika_layer_set_composite_mode (layer, layer_composite_mode, TRUE);
if (layer_opacity != pika_layer_get_opacity (layer))
pika_layer_set_opacity (layer, layer_opacity, TRUE);
if (layer_offset_x != pika_item_get_offset_x (item) ||
layer_offset_y != pika_item_get_offset_y (item))
{
pika_item_translate (item,
layer_offset_x - pika_item_get_offset_x (item),
layer_offset_y - pika_item_get_offset_y (item),
TRUE);
}
if (layer_visible != pika_item_get_visible (item))
pika_item_set_visible (item, layer_visible, TRUE);
if (layer_color_tag != pika_item_get_color_tag (item))
pika_item_set_color_tag (item, layer_color_tag, TRUE);
if (layer_lock_pixels != pika_item_get_lock_content (item))
pika_item_set_lock_content (item, layer_lock_pixels, TRUE);
if (layer_lock_position != pika_item_get_lock_position (item))
pika_item_set_lock_position (item, layer_lock_position, TRUE);
if (layer_lock_visibility != pika_item_get_lock_visibility (item))
pika_item_set_lock_visibility (item, layer_lock_visibility, TRUE);
if (layer_lock_alpha != pika_layer_get_lock_alpha (layer))
pika_layer_set_lock_alpha (layer, layer_lock_alpha, TRUE);
pika_image_undo_group_end (image);
pika_image_flush (image);
}
if (pika_item_is_text_layer (PIKA_ITEM (layer)))
{
g_object_set (layer,
"auto-rename", rename_text_layer,
NULL);
}
gtk_widget_destroy (dialog);
}
static void
layers_add_mask_callback (GtkWidget *dialog,
GList *layers,
PikaAddMaskType add_mask_type,
PikaChannel *channel,
gboolean invert,
gpointer user_data)
{
PikaImage *image = pika_item_get_image (PIKA_ITEM (layers->data));
PikaDialogConfig *config = PIKA_DIALOG_CONFIG (image->pika->config);
PikaLayerMask *mask;
GList *iter;
GError *error = NULL;
g_object_set (config,
"layer-add-mask-type", add_mask_type,
"layer-add-mask-invert", invert,
NULL);
pika_image_undo_group_start (image,
PIKA_UNDO_GROUP_LAYER_ADD,
_("Add Layer Masks"));
for (iter = layers; iter; iter = iter->next)
{
mask = pika_layer_create_mask (iter->data,
config->layer_add_mask_type,
channel);
if (config->layer_add_mask_invert)
pika_channel_invert (PIKA_CHANNEL (mask), FALSE);
if (! pika_layer_add_mask (iter->data, mask, TRUE, &error))
{
pika_message_literal (image->pika,
G_OBJECT (dialog), PIKA_MESSAGE_WARNING,
error->message);
g_object_unref (mask);
g_clear_error (&error);
return;
}
}
pika_image_undo_group_end (image);
pika_image_flush (image);
gtk_widget_destroy (dialog);
}
static void
layers_scale_callback (GtkWidget *dialog,
PikaViewable *viewable,
gint width,
gint height,
PikaUnit unit,
PikaInterpolationType interpolation,
gdouble xresolution, /* unused */
gdouble yresolution, /* unused */
PikaUnit resolution_unit,/* unused */
gpointer user_data)
{
PikaDisplay *display = PIKA_DISPLAY (user_data);
layer_scale_unit = unit;
layer_scale_interp = interpolation;
if (width > 0 && height > 0)
{
PikaItem *item = PIKA_ITEM (viewable);
PikaProgress *progress;
GtkWidget *progress_dialog = NULL;
gtk_widget_destroy (dialog);
if (width == pika_item_get_width (item) &&
height == pika_item_get_height (item))
return;
if (display)
{
progress = PIKA_PROGRESS (display);
}
else
{
progress_dialog = pika_progress_dialog_new ();
progress = PIKA_PROGRESS (progress_dialog);
}
progress = pika_progress_start (progress, FALSE, _("Scaling"));
pika_item_scale_by_origin (item,
width, height, interpolation,
progress, TRUE);
if (progress)
pika_progress_end (progress);
if (progress_dialog)
gtk_widget_destroy (progress_dialog);
pika_image_flush (pika_item_get_image (item));
}
else
{
g_warning ("Scale Error: "
"Both width and height must be greater than zero.");
}
}
static void
layers_resize_callback (GtkWidget *dialog,
PikaViewable *viewable,
PikaContext *context,
gint width,
gint height,
PikaUnit unit,
gint offset_x,
gint offset_y,
gdouble unused0,
gdouble unused1,
PikaUnit unused2,
PikaFillType fill_type,
PikaItemSet unused3,
gboolean unused4,
gpointer user_data)
{
layer_resize_unit = unit;
if (width > 0 && height > 0)
{
PikaItem *item = PIKA_ITEM (viewable);
PikaImage *image = pika_item_get_image (item);
PikaDialogConfig *config = PIKA_DIALOG_CONFIG (image->pika->config);
g_object_set (config,
"layer-resize-fill-type", fill_type,
NULL);
gtk_widget_destroy (dialog);
if (width == pika_item_get_width (item) &&
height == pika_item_get_height (item))
return;
pika_item_resize (item, context, fill_type,
width, height, offset_x, offset_y);
pika_image_flush (pika_item_get_image (item));
}
else
{
g_warning ("Resize Error: "
"Both width and height must be greater than zero.");
}
}
static gint
layers_mode_index (PikaLayerMode layer_mode,
const PikaLayerMode *modes,
gint n_modes)
{
gint i = 0;
while (i < (n_modes - 1) && modes[i] != layer_mode)
i++;
return i;
}