368 lines
17 KiB
C
368 lines
17 KiB
C
/* 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/>.
|
|
*/
|
|
|
|
#ifndef __PIKA_DISPLAY_SHELL_H__
|
|
#define __PIKA_DISPLAY_SHELL_H__
|
|
|
|
|
|
/* Apply to a float the same rounding mode used in the renderer */
|
|
#define PROJ_ROUND(coord) ((gint) RINT (coord))
|
|
#define PROJ_ROUND64(coord) ((gint64) RINT (coord))
|
|
|
|
/* scale values */
|
|
#define SCALEX(s,x) PROJ_ROUND ((x) * (s)->scale_x)
|
|
#define SCALEY(s,y) PROJ_ROUND ((y) * (s)->scale_y)
|
|
|
|
/* unscale values */
|
|
#define UNSCALEX(s,x) ((gint) ((x) / (s)->scale_x))
|
|
#define UNSCALEY(s,y) ((gint) ((y) / (s)->scale_y))
|
|
/* (and float-returning versions) */
|
|
#define FUNSCALEX(s,x) ((x) / (s)->scale_x)
|
|
#define FUNSCALEY(s,y) ((y) / (s)->scale_y)
|
|
|
|
|
|
#define PIKA_TYPE_DISPLAY_SHELL (pika_display_shell_get_type ())
|
|
#define PIKA_DISPLAY_SHELL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_DISPLAY_SHELL, PikaDisplayShell))
|
|
#define PIKA_DISPLAY_SHELL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_DISPLAY_SHELL, PikaDisplayShellClass))
|
|
#define PIKA_IS_DISPLAY_SHELL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_DISPLAY_SHELL))
|
|
#define PIKA_IS_DISPLAY_SHELL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_DISPLAY_SHELL))
|
|
#define PIKA_DISPLAY_SHELL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_DISPLAY_SHELL, PikaDisplayShellClass))
|
|
|
|
|
|
typedef struct _PikaDisplayShellClass PikaDisplayShellClass;
|
|
|
|
struct _PikaDisplayShell
|
|
{
|
|
GtkEventBox parent_instance;
|
|
|
|
PikaDisplay *display;
|
|
|
|
PikaUIManager *popup_manager;
|
|
GdkMonitor *initial_monitor;
|
|
|
|
PikaDisplayOptions *options;
|
|
PikaDisplayOptions *fullscreen_options;
|
|
PikaDisplayOptions *no_image_options;
|
|
|
|
PikaUnit unit;
|
|
|
|
gint offset_x; /* offset of display image */
|
|
gint offset_y;
|
|
|
|
gdouble scale_x; /* horizontal scale factor */
|
|
gdouble scale_y; /* vertical scale factor */
|
|
|
|
gboolean flip_horizontally;
|
|
gboolean flip_vertically;
|
|
gdouble rotate_angle;
|
|
cairo_matrix_t *rotate_transform;
|
|
cairo_matrix_t *rotate_untransform;
|
|
|
|
gdouble monitor_xres;
|
|
gdouble monitor_yres;
|
|
gboolean dot_for_dot; /* ignore monitor resolution */
|
|
|
|
PikaZoomModel *zoom;
|
|
|
|
gdouble last_scale; /* scale used when reverting zoom */
|
|
guint last_scale_time; /* time when last_scale was set */
|
|
gint last_offset_x; /* offsets used when reverting zoom */
|
|
gint last_offset_y;
|
|
|
|
gdouble other_scale; /* scale factor entered in Zoom->Other*/
|
|
|
|
gint disp_width; /* width of drawing area */
|
|
gint disp_height; /* height of drawing area */
|
|
|
|
gboolean proximity; /* is a device in proximity */
|
|
|
|
gboolean show_image; /* whether to show the image */
|
|
|
|
gboolean show_all; /* show the entire image */
|
|
|
|
Selection *selection; /* Selection (marching ants) */
|
|
gint64 selection_update; /* Last selection index update */
|
|
|
|
GList *children;
|
|
|
|
GtkWidget *canvas; /* PikaCanvas widget */
|
|
GtkGesture *zoom_gesture; /* Zoom gesture handler for the canvas*/
|
|
GtkGesture *rotate_gesture; /* Rotation gesture handler */
|
|
|
|
GtkAdjustment *hsbdata; /* adjustments */
|
|
GtkAdjustment *vsbdata;
|
|
GtkWidget *hsb; /* scroll bars */
|
|
GtkWidget *vsb;
|
|
|
|
GtkWidget *hrule; /* rulers */
|
|
GtkWidget *vrule;
|
|
|
|
GtkWidget *origin; /* NW: origin */
|
|
GtkWidget *quick_mask_button;/* SW: quick mask button */
|
|
GtkWidget *zoom_button; /* NE: zoom toggle button */
|
|
GtkWidget *nav_ebox; /* SE: navigation event box */
|
|
|
|
GtkWidget *statusbar; /* statusbar */
|
|
|
|
PikaCanvasItem *canvas_item; /* items drawn on the canvas */
|
|
PikaCanvasItem *unrotated_item; /* unrotated items for e.g. cursor */
|
|
PikaCanvasItem *passe_partout; /* item for the highlight */
|
|
PikaCanvasItem *preview_items; /* item for previews */
|
|
PikaCanvasItem *vectors; /* item proxy of vectors */
|
|
PikaCanvasItem *grid; /* item proxy of the grid */
|
|
PikaCanvasItem *guides; /* item proxies of guides */
|
|
PikaCanvasItem *sample_points; /* item proxies of sample points */
|
|
PikaCanvasItem *canvas_boundary; /* item for the cabvas boundary */
|
|
PikaCanvasItem *layer_boundary; /* item for the layer boundary */
|
|
PikaCanvasItem *tool_items; /* tools items, below the cursor */
|
|
PikaCanvasItem *cursor; /* item for the software cursor */
|
|
|
|
guint title_idle_id; /* title update idle ID */
|
|
gchar *title; /* current title */
|
|
gchar *status; /* current default statusbar content */
|
|
|
|
guint fill_idle_id; /* display_shell_fill() idle ID */
|
|
|
|
PikaHandedness cursor_handedness;/* Handedness for cursor display */
|
|
PikaCursorType current_cursor; /* Currently installed main cursor */
|
|
PikaToolCursorType tool_cursor; /* Current Tool cursor */
|
|
PikaCursorModifier cursor_modifier; /* Cursor modifier (plus, minus, ...) */
|
|
|
|
PikaCursorType override_cursor; /* Overriding cursor */
|
|
gboolean using_override_cursor;
|
|
gboolean draw_cursor; /* should we draw software cursor ? */
|
|
|
|
GtkWidget *close_dialog; /* close dialog */
|
|
GtkWidget *scale_dialog; /* scale (zoom) dialog */
|
|
GtkWidget *rotate_dialog; /* rotate dialog */
|
|
GtkWidget *nav_popup; /* navigation popup */
|
|
|
|
PikaColorConfig *color_config; /* color management settings */
|
|
gboolean color_config_set; /* settings changed from defaults */
|
|
|
|
PikaColorTransform *profile_transform;
|
|
GeglBuffer *profile_buffer; /* buffer for profile transform */
|
|
guchar *profile_data; /* profile_buffer's pixels */
|
|
gint profile_stride; /* profile_buffer's stride */
|
|
|
|
PikaColorDisplayStack *filter_stack; /* color display conversion stuff */
|
|
guint filter_idle_id;
|
|
|
|
PikaColorTransform *filter_transform;
|
|
const Babl *filter_format; /* filter_buffer's format */
|
|
PikaColorProfile *filter_profile; /* filter_format's profile */
|
|
GeglBuffer *filter_buffer; /* buffer for display filters */
|
|
guchar *filter_data; /* filter_buffer's pixels */
|
|
gint filter_stride; /* filter_buffer's stride */
|
|
|
|
gint render_scale;
|
|
|
|
cairo_surface_t *render_cache;
|
|
cairo_region_t *render_cache_valid;
|
|
|
|
gint render_buf_width;
|
|
gint render_buf_height;
|
|
|
|
cairo_surface_t *render_surface; /* buffer for rendering the mask */
|
|
cairo_surface_t *mask_surface; /* buffer for rendering the mask */
|
|
cairo_pattern_t *checkerboard; /* checkerboard pattern */
|
|
|
|
gint paused_count;
|
|
|
|
PikaTreeHandler *vectors_freeze_handler;
|
|
PikaTreeHandler *vectors_thaw_handler;
|
|
PikaTreeHandler *vectors_visible_handler;
|
|
|
|
gboolean zoom_on_resize;
|
|
|
|
gboolean size_allocate_from_configure_event;
|
|
gboolean size_allocate_center_image;
|
|
|
|
/* the state of pika_display_shell_tool_events() */
|
|
GdkDevice *grab_pointer;
|
|
GdkDevice *grab_pointer_source;
|
|
guint32 grab_pointer_time;
|
|
|
|
/* the state of pika_display_shell_zoom_gesture_*() */
|
|
gdouble last_zoom_scale;
|
|
gboolean zoom_gesture_active;
|
|
|
|
/* the state of pika_display_shell_rotate_gesture_*() */
|
|
guint last_gesture_rotate_state;
|
|
gdouble initial_gesture_rotate_angle;
|
|
gboolean rotate_gesture_active;
|
|
|
|
/* Two states are possible when the shell is grabbed: it can be
|
|
* grabbed with space (or space+button1 which is the same state),
|
|
* then if space is released but button1 was still pressed, we wait
|
|
* for button1 to be released as well.
|
|
*/
|
|
gboolean space_release_pending;
|
|
gboolean button1_release_pending;
|
|
const gchar *space_shaded_tool;
|
|
|
|
/* Modifier action currently ON. */
|
|
PikaModifierAction mod_action;
|
|
gchar *mod_action_desc;
|
|
|
|
gint scroll_start_x;
|
|
gint scroll_start_y;
|
|
gint scroll_last_x;
|
|
gint scroll_last_y;
|
|
gdouble rotate_drag_angle;
|
|
gpointer scroll_info;
|
|
PikaLayer *picked_layer;
|
|
|
|
GeglBuffer *mask;
|
|
gint mask_offset_x;
|
|
gint mask_offset_y;
|
|
PikaRGB mask_color;
|
|
gboolean mask_inverted;
|
|
|
|
PikaMotionBuffer *motion_buffer;
|
|
|
|
GdkPoint *zoom_focus_point;
|
|
|
|
gboolean blink;
|
|
guint blink_timeout_id;
|
|
|
|
PikaAlignmentType snapped_side_horizontal; /* if PIKA_ARRANGE_HFILL then no snapping happen */
|
|
PikaLayer *snapped_layer_horizontal;
|
|
|
|
PikaAlignmentType snapped_side_vertical; /* if PIKA_ARRANGE_HFILL then no snapping happen */
|
|
PikaLayer *snapped_layer_vertical;
|
|
|
|
PikaAlignmentType equidistance_side_horizontal;
|
|
PikaLayer *near_layer_horizontal1;
|
|
PikaLayer *near_layer_horizontal2;
|
|
|
|
PikaAlignmentType equidistance_side_vertical;
|
|
PikaLayer *near_layer_vertical1;
|
|
PikaLayer *near_layer_vertical2;
|
|
};
|
|
|
|
struct _PikaDisplayShellClass
|
|
{
|
|
GtkEventBoxClass parent_class;
|
|
|
|
void (* scaled) (PikaDisplayShell *shell);
|
|
void (* scrolled) (PikaDisplayShell *shell);
|
|
void (* rotated) (PikaDisplayShell *shell);
|
|
void (* reconnect) (PikaDisplayShell *shell);
|
|
};
|
|
|
|
|
|
GType pika_display_shell_get_type (void) G_GNUC_CONST;
|
|
|
|
GtkWidget * pika_display_shell_new (PikaDisplay *display,
|
|
PikaUnit unit,
|
|
gdouble scale,
|
|
PikaUIManager *popup_manager,
|
|
GdkMonitor *monitor);
|
|
|
|
void pika_display_shell_add_overlay (PikaDisplayShell *shell,
|
|
GtkWidget *child,
|
|
gdouble image_x,
|
|
gdouble image_y,
|
|
PikaHandleAnchor anchor,
|
|
gint spacing_x,
|
|
gint spacing_y);
|
|
void pika_display_shell_move_overlay (PikaDisplayShell *shell,
|
|
GtkWidget *child,
|
|
gdouble image_x,
|
|
gdouble image_y,
|
|
PikaHandleAnchor anchor,
|
|
gint spacing_x,
|
|
gint spacing_y);
|
|
|
|
PikaImageWindow * pika_display_shell_get_window (PikaDisplayShell *shell);
|
|
PikaStatusbar * pika_display_shell_get_statusbar (PikaDisplayShell *shell);
|
|
|
|
PikaColorConfig * pika_display_shell_get_color_config
|
|
(PikaDisplayShell *shell);
|
|
|
|
void pika_display_shell_present (PikaDisplayShell *shell);
|
|
|
|
void pika_display_shell_reconnect (PikaDisplayShell *shell);
|
|
|
|
void pika_display_shell_empty (PikaDisplayShell *shell);
|
|
void pika_display_shell_fill (PikaDisplayShell *shell,
|
|
PikaImage *image,
|
|
PikaUnit unit,
|
|
gdouble scale);
|
|
|
|
void pika_display_shell_scaled (PikaDisplayShell *shell);
|
|
void pika_display_shell_scrolled (PikaDisplayShell *shell);
|
|
void pika_display_shell_rotated (PikaDisplayShell *shell);
|
|
|
|
void pika_display_shell_set_unit (PikaDisplayShell *shell,
|
|
PikaUnit unit);
|
|
PikaUnit pika_display_shell_get_unit (PikaDisplayShell *shell);
|
|
|
|
gboolean pika_display_shell_snap_coords (PikaDisplayShell *shell,
|
|
PikaCoords *coords,
|
|
gint snap_offset_x,
|
|
gint snap_offset_y,
|
|
gint snap_width,
|
|
gint snap_height);
|
|
|
|
gboolean pika_display_shell_mask_bounds (PikaDisplayShell *shell,
|
|
gint *x,
|
|
gint *y,
|
|
gint *width,
|
|
gint *height);
|
|
|
|
void pika_display_shell_set_show_image
|
|
(PikaDisplayShell *shell,
|
|
gboolean show_image);
|
|
|
|
void pika_display_shell_set_show_all (PikaDisplayShell *shell,
|
|
gboolean show_all);
|
|
|
|
PikaPickable * pika_display_shell_get_pickable (PikaDisplayShell *shell);
|
|
PikaPickable * pika_display_shell_get_canvas_pickable
|
|
(PikaDisplayShell *shell);
|
|
GeglRectangle pika_display_shell_get_bounding_box
|
|
(PikaDisplayShell *shell);
|
|
gboolean pika_display_shell_get_infinite_canvas
|
|
(PikaDisplayShell *shell);
|
|
|
|
void pika_display_shell_update_priority_rect
|
|
(PikaDisplayShell *shell);
|
|
|
|
void pika_display_shell_flush (PikaDisplayShell *shell);
|
|
|
|
void pika_display_shell_pause (PikaDisplayShell *shell);
|
|
void pika_display_shell_resume (PikaDisplayShell *shell);
|
|
|
|
void pika_display_shell_set_highlight (PikaDisplayShell *shell,
|
|
const GdkRectangle *highlight,
|
|
double opacity);
|
|
void pika_display_shell_set_mask (PikaDisplayShell *shell,
|
|
GeglBuffer *mask,
|
|
gint offset_x,
|
|
gint offset_y,
|
|
const PikaRGB *color,
|
|
gboolean inverted);
|
|
|
|
|
|
#endif /* __PIKA_DISPLAY_SHELL_H__ */
|
