mirror of https://github.com/GNOME/gimp.git
293 lines
14 KiB
C
293 lines
14 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 <http://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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GtkBox parent_instance;
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/* --- cacheline 2 boundary (128 bytes) was 20 bytes ago --- */
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GimpDisplay *display;
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GimpUIManager *popup_manager;
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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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gboolean snap_to_guides; /* should the guides be snapped to? */
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gboolean snap_to_grid; /* should the grid be snapped to? */
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gboolean snap_to_canvas; /* should the canvas be snapped to? */
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gboolean snap_to_vectors; /* should the active path be snapped */
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/* --- cacheline 3 boundary (192 bytes) --- */
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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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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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gint x_src_dec; /* increments for the bresenham style */
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gint y_src_dec; /* image --> display transformation */
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gint x_dest_inc;
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gint y_dest_inc;
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/* --- cacheline 4 boundary (256 bytes) --- */
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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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guint32 last_motion_time; /* previous time of a forwarded motion event */
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guint32 last_read_motion_time;
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gdouble last_motion_delta_time;
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gdouble last_motion_delta_x;
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gdouble last_motion_delta_y;
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gdouble last_motion_distance;
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/* --- cacheline 5 boundary (320 bytes) --- */
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GimpCoords last_coords; /* last motion event */
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gdouble other_scale; /* scale factor entered in Zoom->Other*/
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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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Selection *selection; /* Selection (marching ants) */
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GList *children;
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GtkWidget *canvas; /* GimpCanvas widget */
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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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cairo_surface_t *render_surface; /* buffer for rendering the image */
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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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GimpCanvasItem *canvas_item; /* items drawn on the canvas */
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GimpCanvasItem *passe_partout; /* item for the highlight */
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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 *layer_boundary; /* item for the layer boundary */
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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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gint icon_size; /* size of the icon pixmap */
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guint icon_idle_id; /* ID of the idle-function */
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GdkPixbuf *icon; /* icon */
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guint fill_idle_id; /* display_shell_fill() idle ID */
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GimpCursorFormat cursor_format; /* Currently used cursor format */
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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 *nav_popup; /* navigation popup */
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GtkWidget *grid_dialog; /* grid configuration dialog */
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GimpColorDisplayStack *filter_stack; /* color display conversion stuff */
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guint filter_idle_id;
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GtkWidget *filters_dialog; /* color display filter dialog */
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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 show_transform_preview;
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gboolean size_allocate_from_configure_event;
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/* the state of gimp_display_shell_tool_events() */
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gboolean space_pressed;
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gboolean space_release_pending;
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const gchar *space_shaded_tool;
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gboolean scrolling;
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gint scroll_start_x;
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gint scroll_start_y;
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gpointer scroll_info;
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gboolean button_press_before_focus;
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GimpDrawable *mask;
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GimpRGB mask_color;
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GArray *event_history;
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GArray *event_queue;
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gboolean event_delay; /* TRUE if theres an unsent event in
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the history buffer */
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GQueue *zoom_focus_pointer_queue;
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gint event_delay_timeout;
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GdkModifierType last_active_state;
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};
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struct _GimpDisplayShellClass
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{
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GtkBoxClass parent_class;
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void (* scaled) (GimpDisplayShell *shell);
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void (* scrolled) (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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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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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_scale_changed (GimpDisplayShell *shell);
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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_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 *x1,
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gint *y1,
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gint *x2,
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gint *y2);
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void gimp_display_shell_flush (GimpDisplayShell *shell,
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gboolean now);
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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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void gimp_display_shell_set_mask (GimpDisplayShell *shell,
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GimpDrawable *mask,
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const GimpRGB *color);
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#endif /* __GIMP_DISPLAY_SHELL_H__ */
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