mirror of
https://gitlab.gnome.org/GNOME/gimp
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faeaa7cc23
At quick glance, nothing seems to be broken, but if things weird out, blame me. Now just the same for layers, channels and displays...
150 lines
6.4 KiB
C
150 lines
6.4 KiB
C
/* The GIMP -- an 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GDISPLAY_H__
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#define __GDISPLAY_H__
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#include "gimage.h"
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#include "info_dialog.h"
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#include "selection.h"
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/*
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* Global variables
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*
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*/
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/* some useful macros */
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#define SCALESRC(g) (g->scale & 0x00ff)
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#define SCALEDEST(g) (g->scale >> 8)
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#define SCALE(g,x) ((x * SCALEDEST(g)) / SCALESRC(g))
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#define UNSCALE(g,x) ((x * SCALESRC(g)) / SCALEDEST(g))
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#define LOWPASS(x) ((x>0) ? x : 0)
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#define HIGHPASS(x,y) ((x>y) ? y : x)
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typedef enum
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{
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SelectionOff,
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SelectionLayerOff,
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SelectionOn,
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SelectionPause,
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SelectionResume
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} SelectionControl;
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typedef struct _GDisplay GDisplay;
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struct _GDisplay
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{
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int ID; /* unique identifier for this gdisplay */
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GtkWidget *shell; /* shell widget for this gdisplay */
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GtkWidget *canvas; /* canvas widget for this gdisplay */
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GtkWidget *hsb, *vsb; /* widgets for scroll bars */
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GtkWidget *hrule, *vrule; /* widgets for rulers */
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GtkWidget *origin; /* widgets for rulers */
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GtkWidget *popup; /* widget for popup menu */
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GtkWidget *statusbar; /* widget for statusbar */
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GtkWidget *progressbar; /* widget for progressbar */
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guint progressid; /* id of statusbar message for progress */
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InfoDialog *window_info_dialog; /* dialog box for image information */
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int color_type; /* is this an RGB or GRAY colormap */
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GtkAdjustment *hsbdata; /* horizontal data information */
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GtkAdjustment *vsbdata; /* vertical data information */
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GimpImage *gimage; /* pointer to the associated gimage struct */
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int instance; /* the instance # of this gdisplay as */
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/* taken from the gimage at creation */
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int depth; /* depth of our drawables */
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int disp_width; /* width of drawing area in the window */
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int disp_height; /* height of drawing area in the window */
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int disp_xoffset;
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int disp_yoffset;
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int offset_x, offset_y; /* offset of display image into raw image */
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int scale; /* scale factor from original raw image */
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short draw_guides; /* should the guides be drawn? */
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short snap_to_guides; /* should the guides be snapped to? */
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Selection *select; /* Selection object */
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GdkGC *scroll_gc; /* GC for scrolling */
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GSList *update_areas; /* Update areas list */
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GSList *display_areas; /* Display areas list */
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GdkCursorType current_cursor; /* Currently installed cursor */
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short draw_cursor; /* should we draw software cursor ? */
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int cursor_x; /* software cursor X value */
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int cursor_y; /* software cursor Y value */
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short proximity; /* is a device in proximity of gdisplay ? */
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short have_cursor; /* is cursor currently drawn ? */
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};
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/* member function declarations */
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GDisplay * gdisplay_new (GimpImage *, unsigned int);
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void gdisplay_remove_and_delete (GDisplay *);
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int gdisplay_mask_value (GDisplay *, int, int);
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int gdisplay_mask_bounds (GDisplay *, int *, int *, int *, int *);
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void gdisplay_transform_coords (GDisplay *, int, int, int *, int *, int);
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void gdisplay_untransform_coords (GDisplay *, int, int, int *,
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int *, int, int);
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void gdisplay_transform_coords_f (GDisplay *, double, double, double *,
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double *, int);
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void gdisplay_untransform_coords_f (GDisplay *, double, double, double *,
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double *, int);
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void gdisplay_install_tool_cursor (GDisplay *, GdkCursorType);
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void gdisplay_remove_tool_cursor (GDisplay *);
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void gdisplay_set_menu_sensitivity (GDisplay *);
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void gdisplay_expose_area (GDisplay *, int, int, int, int);
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void gdisplay_expose_guide (GDisplay *, Guide *);
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void gdisplay_expose_full (GDisplay *);
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void gdisplay_flush (GDisplay *);
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void gdisplay_draw_guides (GDisplay *);
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void gdisplay_draw_guide (GDisplay *, Guide *, int);
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Guide* gdisplay_find_guide (GDisplay *, int, int);
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void gdisplay_snap_point (GDisplay *, double , double, double *, double *);
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void gdisplay_snap_rectangle (GDisplay *, int, int, int, int, int *, int *);
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void gdisplay_update_cursor (GDisplay *, int, int);
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/* function declarations */
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GDisplay * gdisplay_active (void);
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GDisplay * gdisplay_get_ID (int);
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void gdisplays_update_title (GimpImage*);
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void gdisplays_update_area (GimpImage*, int, int, int, int);
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void gdisplays_expose_guides (GimpImage*);
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void gdisplays_expose_guide (GimpImage*, Guide *);
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void gdisplays_update_full (GimpImage*);
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void gdisplays_shrink_wrap (GimpImage*);
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void gdisplays_expose_full (void);
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void gdisplays_selection_visibility (GimpImage*, SelectionControl);
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int gdisplays_dirty (void);
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void gdisplays_delete (void);
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void gdisplays_flush (void);
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#endif /* __GDISPLAY_H__ */
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