/* 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 . */ #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__ */