2023-09-26 00:35:21 +02:00
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_DISPLAY_SHELL_H__
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#define __PIKA_DISPLAY_SHELL_H__
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/* Apply to a float the same rounding mode used in the renderer */
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#define PROJ_ROUND(coord) ((gint) RINT (coord))
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#define PROJ_ROUND64(coord) ((gint64) RINT (coord))
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/* scale values */
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#define SCALEX(s,x) PROJ_ROUND ((x) * (s)->scale_x)
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#define SCALEY(s,y) PROJ_ROUND ((y) * (s)->scale_y)
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/* unscale values */
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#define UNSCALEX(s,x) ((gint) ((x) / (s)->scale_x))
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#define UNSCALEY(s,y) ((gint) ((y) / (s)->scale_y))
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/* (and float-returning versions) */
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#define FUNSCALEX(s,x) ((x) / (s)->scale_x)
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#define FUNSCALEY(s,y) ((y) / (s)->scale_y)
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#define PIKA_TYPE_DISPLAY_SHELL (pika_display_shell_get_type ())
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#define PIKA_DISPLAY_SHELL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_DISPLAY_SHELL, PikaDisplayShell))
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#define PIKA_DISPLAY_SHELL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_DISPLAY_SHELL, PikaDisplayShellClass))
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#define PIKA_IS_DISPLAY_SHELL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_DISPLAY_SHELL))
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#define PIKA_IS_DISPLAY_SHELL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_DISPLAY_SHELL))
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#define PIKA_DISPLAY_SHELL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_DISPLAY_SHELL, PikaDisplayShellClass))
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typedef struct _PikaDisplayShellClass PikaDisplayShellClass;
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struct _PikaDisplayShell
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{
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GtkEventBox parent_instance;
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PikaDisplay *display;
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2023-10-30 23:55:30 +01:00
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GBytes *window_handle;
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2023-09-26 00:35:21 +02:00
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PikaUIManager *popup_manager;
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GdkMonitor *initial_monitor;
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PikaDisplayOptions *options;
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PikaDisplayOptions *fullscreen_options;
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PikaDisplayOptions *no_image_options;
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PikaUnit unit;
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gint offset_x; /* offset of display image */
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gint offset_y;
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gdouble scale_x; /* horizontal scale factor */
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gdouble scale_y; /* vertical scale factor */
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gboolean flip_horizontally;
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gboolean flip_vertically;
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gdouble rotate_angle;
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cairo_matrix_t *rotate_transform;
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cairo_matrix_t *rotate_untransform;
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gdouble monitor_xres;
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gdouble monitor_yres;
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gboolean dot_for_dot; /* ignore monitor resolution */
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PikaZoomModel *zoom;
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gdouble last_scale; /* scale used when reverting zoom */
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guint last_scale_time; /* time when last_scale was set */
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gint last_offset_x; /* offsets used when reverting zoom */
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gint last_offset_y;
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gint disp_width; /* width of drawing area */
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gint disp_height; /* height of drawing area */
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gboolean proximity; /* is a device in proximity */
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gboolean show_image; /* whether to show the image */
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gboolean show_all; /* show the entire image */
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Selection *selection; /* Selection (marching ants) */
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gint64 selection_update; /* Last selection index update */
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GList *children;
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GtkWidget *canvas; /* PikaCanvas widget */
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GtkGesture *zoom_gesture; /* Zoom gesture handler for the canvas*/
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GtkGesture *rotate_gesture; /* Rotation gesture handler */
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GtkAdjustment *hsbdata; /* adjustments */
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GtkAdjustment *vsbdata;
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GtkWidget *hsb; /* scroll bars */
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GtkWidget *vsb;
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GtkWidget *hrule; /* rulers */
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GtkWidget *vrule;
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GtkWidget *origin; /* NW: origin */
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GtkWidget *quick_mask_button;/* SW: quick mask button */
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GtkWidget *zoom_button; /* NE: zoom toggle button */
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GtkWidget *nav_ebox; /* SE: navigation event box */
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GtkWidget *statusbar; /* statusbar */
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PikaCanvasItem *canvas_item; /* items drawn on the canvas */
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PikaCanvasItem *unrotated_item; /* unrotated items for e.g. cursor */
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PikaCanvasItem *passe_partout; /* item for the highlight */
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PikaCanvasItem *preview_items; /* item for previews */
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PikaCanvasItem *vectors; /* item proxy of vectors */
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PikaCanvasItem *grid; /* item proxy of the grid */
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PikaCanvasItem *guides; /* item proxies of guides */
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PikaCanvasItem *sample_points; /* item proxies of sample points */
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PikaCanvasItem *canvas_boundary; /* item for the cabvas boundary */
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PikaCanvasItem *layer_boundary; /* item for the layer boundary */
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PikaCanvasItem *tool_items; /* tools items, below the cursor */
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PikaCanvasItem *cursor; /* item for the software cursor */
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guint title_idle_id; /* title update idle ID */
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gchar *title; /* current title */
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gchar *status; /* current default statusbar content */
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guint fill_idle_id; /* display_shell_fill() idle ID */
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PikaHandedness cursor_handedness;/* Handedness for cursor display */
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PikaCursorType current_cursor; /* Currently installed main cursor */
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PikaToolCursorType tool_cursor; /* Current Tool cursor */
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PikaCursorModifier cursor_modifier; /* Cursor modifier (plus, minus, ...) */
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PikaCursorType override_cursor; /* Overriding cursor */
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gboolean using_override_cursor;
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gboolean draw_cursor; /* should we draw software cursor ? */
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GtkWidget *close_dialog; /* close dialog */
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GtkWidget *scale_dialog; /* scale (zoom) dialog */
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GtkWidget *rotate_dialog; /* rotate dialog */
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GtkWidget *nav_popup; /* navigation popup */
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PikaColorConfig *color_config; /* color management settings */
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gboolean color_config_set; /* settings changed from defaults */
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PikaColorTransform *profile_transform;
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GeglBuffer *profile_buffer; /* buffer for profile transform */
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guchar *profile_data; /* profile_buffer's pixels */
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gint profile_stride; /* profile_buffer's stride */
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PikaColorDisplayStack *filter_stack; /* color display conversion stuff */
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guint filter_idle_id;
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PikaColorTransform *filter_transform;
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const Babl *filter_format; /* filter_buffer's format */
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PikaColorProfile *filter_profile; /* filter_format's profile */
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GeglBuffer *filter_buffer; /* buffer for display filters */
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guchar *filter_data; /* filter_buffer's pixels */
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gint filter_stride; /* filter_buffer's stride */
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gint render_scale;
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cairo_surface_t *render_cache;
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cairo_region_t *render_cache_valid;
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gint render_buf_width;
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gint render_buf_height;
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cairo_surface_t *render_surface; /* buffer for rendering the mask */
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cairo_surface_t *mask_surface; /* buffer for rendering the mask */
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cairo_pattern_t *checkerboard; /* checkerboard pattern */
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gint paused_count;
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PikaTreeHandler *vectors_freeze_handler;
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PikaTreeHandler *vectors_thaw_handler;
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PikaTreeHandler *vectors_visible_handler;
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gboolean zoom_on_resize;
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gboolean size_allocate_from_configure_event;
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gboolean size_allocate_center_image;
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/* the state of pika_display_shell_tool_events() */
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GdkDevice *grab_pointer;
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GdkDevice *grab_pointer_source;
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guint32 grab_pointer_time;
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/* the state of pika_display_shell_zoom_gesture_*() */
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gdouble last_zoom_scale;
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gboolean zoom_gesture_active;
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/* the state of pika_display_shell_rotate_gesture_*() */
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guint last_gesture_rotate_state;
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gdouble initial_gesture_rotate_angle;
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gboolean rotate_gesture_active;
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/* Two states are possible when the shell is grabbed: it can be
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* grabbed with space (or space+button1 which is the same state),
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* then if space is released but button1 was still pressed, we wait
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* for button1 to be released as well.
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*/
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gboolean space_release_pending;
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gboolean button1_release_pending;
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const gchar *space_shaded_tool;
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/* Modifier action currently ON. */
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PikaModifierAction mod_action;
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gchar *mod_action_desc;
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gint scroll_start_x;
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gint scroll_start_y;
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gint scroll_last_x;
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gint scroll_last_y;
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gdouble rotate_drag_angle;
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gpointer scroll_info;
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PikaLayer *picked_layer;
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GeglBuffer *mask;
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gint mask_offset_x;
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gint mask_offset_y;
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PikaRGB mask_color;
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gboolean mask_inverted;
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PikaMotionBuffer *motion_buffer;
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GdkPoint *zoom_focus_point;
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gboolean blink;
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guint blink_timeout_id;
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PikaAlignmentType snapped_side_horizontal; /* if PIKA_ARRANGE_HFILL then no snapping happen */
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PikaLayer *snapped_layer_horizontal;
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PikaAlignmentType snapped_side_vertical; /* if PIKA_ARRANGE_HFILL then no snapping happen */
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PikaLayer *snapped_layer_vertical;
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PikaAlignmentType equidistance_side_horizontal;
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PikaLayer *near_layer_horizontal1;
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PikaLayer *near_layer_horizontal2;
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PikaAlignmentType equidistance_side_vertical;
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PikaLayer *near_layer_vertical1;
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PikaLayer *near_layer_vertical2;
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};
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struct _PikaDisplayShellClass
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{
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GtkEventBoxClass parent_class;
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void (* scaled) (PikaDisplayShell *shell);
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void (* scrolled) (PikaDisplayShell *shell);
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void (* rotated) (PikaDisplayShell *shell);
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void (* reconnect) (PikaDisplayShell *shell);
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};
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GType pika_display_shell_get_type (void) G_GNUC_CONST;
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GtkWidget * pika_display_shell_new (PikaDisplay *display,
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PikaUnit unit,
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gdouble scale,
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PikaUIManager *popup_manager,
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GdkMonitor *monitor);
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void pika_display_shell_add_overlay (PikaDisplayShell *shell,
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GtkWidget *child,
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gdouble image_x,
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gdouble image_y,
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PikaHandleAnchor anchor,
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gint spacing_x,
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gint spacing_y);
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void pika_display_shell_move_overlay (PikaDisplayShell *shell,
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GtkWidget *child,
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gdouble image_x,
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gdouble image_y,
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PikaHandleAnchor anchor,
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gint spacing_x,
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gint spacing_y);
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PikaImageWindow * pika_display_shell_get_window (PikaDisplayShell *shell);
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PikaStatusbar * pika_display_shell_get_statusbar (PikaDisplayShell *shell);
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PikaColorConfig * pika_display_shell_get_color_config
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(PikaDisplayShell *shell);
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void pika_display_shell_present (PikaDisplayShell *shell);
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void pika_display_shell_reconnect (PikaDisplayShell *shell);
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void pika_display_shell_empty (PikaDisplayShell *shell);
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void pika_display_shell_fill (PikaDisplayShell *shell,
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PikaImage *image,
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PikaUnit unit,
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gdouble scale);
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void pika_display_shell_scaled (PikaDisplayShell *shell);
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void pika_display_shell_scrolled (PikaDisplayShell *shell);
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void pika_display_shell_rotated (PikaDisplayShell *shell);
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void pika_display_shell_set_unit (PikaDisplayShell *shell,
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PikaUnit unit);
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PikaUnit pika_display_shell_get_unit (PikaDisplayShell *shell);
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gboolean pika_display_shell_snap_coords (PikaDisplayShell *shell,
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PikaCoords *coords,
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gint snap_offset_x,
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gint snap_offset_y,
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gint snap_width,
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gint snap_height);
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gboolean pika_display_shell_mask_bounds (PikaDisplayShell *shell,
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gint *x,
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gint *y,
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gint *width,
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gint *height);
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void pika_display_shell_set_show_image
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(PikaDisplayShell *shell,
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gboolean show_image);
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void pika_display_shell_set_show_all (PikaDisplayShell *shell,
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gboolean show_all);
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PikaPickable * pika_display_shell_get_pickable (PikaDisplayShell *shell);
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PikaPickable * pika_display_shell_get_canvas_pickable
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(PikaDisplayShell *shell);
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GeglRectangle pika_display_shell_get_bounding_box
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(PikaDisplayShell *shell);
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gboolean pika_display_shell_get_infinite_canvas
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(PikaDisplayShell *shell);
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void pika_display_shell_update_priority_rect
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(PikaDisplayShell *shell);
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void pika_display_shell_flush (PikaDisplayShell *shell);
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void pika_display_shell_pause (PikaDisplayShell *shell);
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void pika_display_shell_resume (PikaDisplayShell *shell);
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void pika_display_shell_set_highlight (PikaDisplayShell *shell,
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const GdkRectangle *highlight,
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double opacity);
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void pika_display_shell_set_mask (PikaDisplayShell *shell,
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GeglBuffer *mask,
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gint offset_x,
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gint offset_y,
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const PikaRGB *color,
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gboolean inverted);
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#endif /* __PIKA_DISPLAY_SHELL_H__ */
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