mirror of https://github.com/GNOME/gimp.git
368 lines
17 KiB
C
368 lines
17 KiB
C
/* GIMP - The GNU Image Manipulation Program
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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 __GIMP_DISPLAY_SHELL_H__
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#define __GIMP_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 GIMP_TYPE_DISPLAY_SHELL (gimp_display_shell_get_type ())
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#define GIMP_DISPLAY_SHELL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_DISPLAY_SHELL, GimpDisplayShell))
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#define GIMP_DISPLAY_SHELL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_DISPLAY_SHELL, GimpDisplayShellClass))
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#define GIMP_IS_DISPLAY_SHELL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_DISPLAY_SHELL))
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#define GIMP_IS_DISPLAY_SHELL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_DISPLAY_SHELL))
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#define GIMP_DISPLAY_SHELL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_DISPLAY_SHELL, GimpDisplayShellClass))
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typedef struct _GimpDisplayShellClass GimpDisplayShellClass;
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struct _GimpDisplayShell
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{
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GtkEventBox parent_instance;
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GimpDisplay *display;
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GBytes *window_handle;
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GimpUIManager *popup_manager;
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GdkMonitor *initial_monitor;
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GimpDisplayOptions *options;
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GimpDisplayOptions *fullscreen_options;
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GimpDisplayOptions *no_image_options;
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GimpUnit *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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GimpZoomModel *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; /* GimpCanvas 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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GimpCanvasItem *canvas_item; /* items drawn on the canvas */
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GimpCanvasItem *unrotated_item; /* unrotated items for e.g. cursor */
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GimpCanvasItem *passe_partout; /* item for the highlight */
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GimpCanvasItem *preview_items; /* item for previews */
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GimpCanvasItem *vectors; /* item proxy of vectors */
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GimpCanvasItem *grid; /* item proxy of the grid */
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GimpCanvasItem *guides; /* item proxies of guides */
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GimpCanvasItem *sample_points; /* item proxies of sample points */
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GimpCanvasItem *canvas_boundary; /* item for the cabvas boundary */
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GimpCanvasItem *layer_boundary; /* item for the layer boundary */
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GimpCanvasItem *tool_items; /* tools items, below the cursor */
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GimpCanvasItem *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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GimpHandedness cursor_handedness;/* Handedness for cursor display */
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GimpCursorType current_cursor; /* Currently installed main cursor */
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GimpToolCursorType tool_cursor; /* Current Tool cursor */
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GimpCursorModifier cursor_modifier; /* Cursor modifier (plus, minus, ...) */
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GimpCursorType 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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GimpColorConfig *color_config; /* color management settings */
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gboolean color_config_set; /* settings changed from defaults */
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GimpColorTransform *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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GimpColorDisplayStack *filter_stack; /* color display conversion stuff */
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guint filter_idle_id;
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GimpColorTransform *filter_transform;
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const Babl *filter_format; /* filter_buffer's format */
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GimpColorProfile *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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GimpTreeHandler *vectors_freeze_handler;
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GimpTreeHandler *vectors_thaw_handler;
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GimpTreeHandler *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 gimp_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 gimp_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 gimp_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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GimpModifierAction 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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GimpLayer *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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GeglColor *mask_color;
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gboolean mask_inverted;
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GimpMotionBuffer *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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GimpAlignmentType snapped_side_horizontal; /* if GIMP_ARRANGE_HFILL then no snapping happen */
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GimpLayer *snapped_layer_horizontal;
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GimpAlignmentType snapped_side_vertical; /* if GIMP_ARRANGE_HFILL then no snapping happen */
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GimpLayer *snapped_layer_vertical;
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GimpAlignmentType equidistance_side_horizontal;
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GimpLayer *near_layer_horizontal1;
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GimpLayer *near_layer_horizontal2;
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GimpAlignmentType equidistance_side_vertical;
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GimpLayer *near_layer_vertical1;
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GimpLayer *near_layer_vertical2;
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gboolean drawn;
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};
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struct _GimpDisplayShellClass
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{
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GtkEventBoxClass parent_class;
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void (* scaled) (GimpDisplayShell *shell);
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void (* scrolled) (GimpDisplayShell *shell);
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void (* rotated) (GimpDisplayShell *shell);
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void (* reconnect) (GimpDisplayShell *shell);
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};
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GType gimp_display_shell_get_type (void) G_GNUC_CONST;
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GtkWidget * gimp_display_shell_new (GimpDisplay *display,
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GimpUnit *unit,
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gdouble scale,
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GimpUIManager *popup_manager,
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GdkMonitor *monitor);
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void gimp_display_shell_add_overlay (GimpDisplayShell *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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GimpHandleAnchor anchor,
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gint spacing_x,
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gint spacing_y);
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void gimp_display_shell_move_overlay (GimpDisplayShell *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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GimpHandleAnchor anchor,
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gint spacing_x,
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gint spacing_y);
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GimpImageWindow * gimp_display_shell_get_window (GimpDisplayShell *shell);
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GimpStatusbar * gimp_display_shell_get_statusbar (GimpDisplayShell *shell);
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GimpColorConfig * gimp_display_shell_get_color_config
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(GimpDisplayShell *shell);
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void gimp_display_shell_present (GimpDisplayShell *shell);
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void gimp_display_shell_reconnect (GimpDisplayShell *shell);
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void gimp_display_shell_empty (GimpDisplayShell *shell);
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void gimp_display_shell_fill (GimpDisplayShell *shell,
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GimpImage *image,
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GimpUnit *unit,
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gdouble scale);
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void gimp_display_shell_scaled (GimpDisplayShell *shell);
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void gimp_display_shell_scrolled (GimpDisplayShell *shell);
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void gimp_display_shell_rotated (GimpDisplayShell *shell);
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void gimp_display_shell_set_unit (GimpDisplayShell *shell,
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GimpUnit *unit);
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GimpUnit * gimp_display_shell_get_unit (GimpDisplayShell *shell);
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gboolean gimp_display_shell_snap_coords (GimpDisplayShell *shell,
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GimpCoords *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 gimp_display_shell_mask_bounds (GimpDisplayShell *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 gimp_display_shell_set_show_image
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(GimpDisplayShell *shell,
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gboolean show_image);
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void gimp_display_shell_set_show_all (GimpDisplayShell *shell,
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gboolean show_all);
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GimpPickable * gimp_display_shell_get_pickable (GimpDisplayShell *shell);
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GimpPickable * gimp_display_shell_get_canvas_pickable
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(GimpDisplayShell *shell);
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GeglRectangle gimp_display_shell_get_bounding_box
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(GimpDisplayShell *shell);
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gboolean gimp_display_shell_get_infinite_canvas
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(GimpDisplayShell *shell);
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void gimp_display_shell_update_priority_rect
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(GimpDisplayShell *shell);
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void gimp_display_shell_flush (GimpDisplayShell *shell);
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void gimp_display_shell_pause (GimpDisplayShell *shell);
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void gimp_display_shell_resume (GimpDisplayShell *shell);
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void gimp_display_shell_set_highlight (GimpDisplayShell *shell,
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const GdkRectangle *highlight,
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double opacity);
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void gimp_display_shell_set_mask (GimpDisplayShell *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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GeglColor *color,
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gboolean inverted);
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gboolean gimp_display_shell_is_drawn (GimpDisplayShell *shell);
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#endif /* __GIMP_DISPLAY_SHELL_H__ */
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