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- /* The GIMP -- an image manipulation program
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- #ifndef __GDISPLAY_H__
- #define __GDISPLAY_H__
-
-
- #include "cursorutil.h"
- #include "gimage.h"
- #include "info_dialog.h"
- #include "selection.h"
-
- #include "gdisplayF.h"
-
- /*
- * Global variables
- *
- */
-
- /* some useful macros */
-
- /* unpacking the user scale level (char) */
- #define SCALESRC(g) (g->scale & 0x00ff)
- #define SCALEDEST(g) (g->scale >> 8)
-
- /* finding the effective screen resolution (double) */
- #define SCREEN_XRES(g) (g->dot_for_dot? g->gimage->xresolution : monitor_xres)
- #define SCREEN_YRES(g) (g->dot_for_dot? g->gimage->yresolution : monitor_yres)
-
- /* calculate scale factors (double) */
- #define SCALEFACTOR_X(g) ((SCALEDEST(g) * SCREEN_XRES(g)) / \
- (SCALESRC(g) * g->gimage->xresolution))
- #define SCALEFACTOR_Y(g) ((SCALEDEST(g) * SCREEN_YRES(g)) / \
- (SCALESRC(g) * g->gimage->yresolution))
-
- /* scale values */
- #define SCALEX(g,x) ((int)(x * SCALEFACTOR_X(g)))
- #define SCALEY(g,y) ((int)(y * SCALEFACTOR_Y(g)))
-
- /* unscale values */
- #define UNSCALEX(g,x) ((int)(x / SCALEFACTOR_X(g)))
- #define UNSCALEY(g,y) ((int)(y / SCALEFACTOR_Y(g)))
- /* (and float-returning versions) */
- #define FUNSCALEX(g,x) ((x / SCALEFACTOR_X(g)))
- #define FUNSCALEY(g,y) ((y / SCALEFACTOR_Y(g)))
-
-
-
-
- #define LOWPASS(x) ((x>0) ? x : 0)
- /* #define HIGHPASS(x,y) ((x>y) ? y : x) */ /* unused - == MIN */
-
-
- /* maximal width of the string holding the cursor-coordinates for
- the status line */
- #define CURSOR_STR_LENGTH 256
-
- /* maximal length of the format string for the cursor-coordinates */
- #define CURSOR_FORMAT_LENGTH 32
-
- typedef struct _IdleRenderStruct
- {
- gint width;
- gint height;
- gint x;
- gint y;
- gint basex;
- gint basey;
- guint idleid;
- /*guint handlerid;*/
- gboolean active;
- GSList *update_areas; /* flushed update areas */
-
- } IdleRenderStruct;
-
-
- struct _GDisplay
- {
- gint ID; /* unique identifier for this gdisplay */
-
- GtkWidget *shell; /* shell widget for this gdisplay */
- GtkWidget *canvas; /* canvas widget for this gdisplay */
- GtkWidget *hsb, *vsb; /* widgets for scroll bars */
- GtkWidget *qmaskoff, *qmaskon; /* widgets for qmask buttons */
- GtkWidget *hrule, *vrule; /* widgets for rulers */
- GtkWidget *origin; /* widgets for rulers */
- GtkWidget *popup; /* widget for popup menu */
- GtkWidget *statusarea; /* hbox holding the statusbar and stuff */
- GtkWidget *statusbar; /* widget for statusbar */
- GtkWidget *progressbar; /* widget for progressbar */
- GtkWidget *cursor_label; /* widget for cursor position */
- gchar cursor_format_str [CURSOR_FORMAT_LENGTH]; /* we need a variable format
- * string because different
- * units have different number
- * of decimals */
- GtkWidget *cancelbutton; /* widget for cancel button */
- guint progressid; /* id of statusbar message for progress */
-
- InfoDialog *window_info_dialog; /* dialog box for image information */
- InfoDialog *window_nav_dialog; /* dialog box for image navigation */
- GtkWidget *nav_popup; /* widget for the popup navigation window */
-
- gint color_type; /* is this an RGB or GRAY colormap */
-
- GtkAdjustment *hsbdata; /* horizontal data information */
- GtkAdjustment *vsbdata; /* vertical data information */
-
- GimpImage *gimage; /* pointer to the associated gimage struct */
- gint instance; /* the instance # of this gdisplay as */
- /* taken from the gimage at creation */
-
- gint depth; /* depth of our drawables */
- gint disp_width; /* width of drawing area in the window */
- gint disp_height; /* height of drawing area in the window */
- gint disp_xoffset;
- gint disp_yoffset;
-
- gint offset_x; /* offset of display image into raw image */
- gint offset_y;
- gint scale; /* scale factor from original raw image */
- gboolean dot_for_dot; /* is monitor resolution being ignored? */
- gboolean draw_guides; /* should the guides be drawn? */
- gboolean snap_to_guides; /* should the guides be snapped to? */
-
- Selection *select; /* Selection object */
-
- GdkGC *scroll_gc; /* GC for scrolling */
-
- GSList *update_areas; /* Update areas list */
- GSList *display_areas; /* Display areas list */
-
- GdkCursorType current_cursor; /* Currently installed cursor */
- ToolType cursor_tool; /* Cursor for which tool? */
- CursorModifier cursor_modifier; /* Cursor modifier (plus, minus, ...) */
- gboolean toggle_cursor; /* Cursor toggled? */
-
- GdkCursorType override_cursor; /* Overriding cursor (ie. hourglass) */
- gboolean using_override_cursor; /* is the cursor overridden? (ie. hourglass)*/
-
- gboolean draw_cursor; /* should we draw software cursor ? */
- gint cursor_x; /* software cursor X value */
- gint cursor_y; /* software cursor Y value */
- gboolean proximity; /* is a device in proximity of gdisplay ? */
- gboolean have_cursor; /* is cursor currently drawn ? */
-
- IdleRenderStruct idle_render; /* state of this gdisplay's render thread */
-
- #ifdef DISPLAY_FILTERS
- GList *cd_list; /* color display conversion stuff */
- GtkWidget *cd_ui; /* color display filter dialog */
- #endif /* DISPLAY_FILTERS */
-
- GtkWidget *warning_dialog; /* "Changes were made to %s. Close anyway?" */
- };
-
-
-
- /* member function declarations */
-
- GDisplay * gdisplay_new (GimpImage *, guint);
- void gdisplay_reconnect (GDisplay *, GimpImage *);
- void gdisplay_remove_and_delete (GDisplay *);
- gint gdisplay_mask_value (GDisplay *, gint, gint);
- gint gdisplay_mask_bounds (GDisplay *, gint *, gint *, gint *, gint *);
- void gdisplay_transform_coords (GDisplay *, gint, gint, gint *, gint *, gint);
- void gdisplay_untransform_coords (GDisplay *, gint, gint, gint *, gint *,
- gboolean, gboolean);
- void gdisplay_transform_coords_f (GDisplay *, gdouble, gdouble,
- gdouble *, gdouble *, gboolean);
- void gdisplay_untransform_coords_f (GDisplay *, gdouble, gdouble,
- gdouble *, gdouble *, gboolean);
-
- void gdisplay_real_install_tool_cursor (GDisplay *gdisp,
- GdkCursorType cursor_type,
- ToolType tool_type,
- CursorModifier modifier,
- gboolean toggle_cursor,
- gboolean always_install);
- void gdisplay_install_tool_cursor (GDisplay *gdisp,
- GdkCursorType cursor_type,
- ToolType tool_type,
- CursorModifier modifier,
- gboolean toggle_cursor);
- void gdisplay_remove_tool_cursor (GDisplay *gdisp);
- void gdisplay_install_override_cursor (GDisplay *gdisp,
- GdkCursorType cursor_type);
- void gdisplay_remove_override_cursor (GDisplay *gdisp);
-
- void gdisplay_set_menu_sensitivity (GDisplay *);
- void gdisplay_expose_area (GDisplay *, gint, gint, gint, gint);
- void gdisplay_expose_guide (GDisplay *, Guide *);
- void gdisplay_expose_full (GDisplay *);
- void gdisplay_flush (GDisplay *);
- void gdisplay_flush_now (GDisplay *);
- void gdisplay_draw_guides (GDisplay *);
- void gdisplay_draw_guide (GDisplay *, Guide *, gboolean);
- Guide* gdisplay_find_guide (GDisplay *, gdouble, double);
- gboolean gdisplay_snap_point (GDisplay *, gdouble, gdouble,
- gdouble *, gdouble *);
- void gdisplay_snap_rectangle (GDisplay *, gdouble, gdouble, gdouble, gdouble,
- gdouble *, gdouble *);
- void gdisplay_update_cursor (GDisplay *, gint, gint);
- void gdisplay_set_dot_for_dot (GDisplay *, gboolean);
- void gdisplay_resize_cursor_label (GDisplay *);
- void gdisplay_update_title (GDisplay *);
- void gdisplay_flush_displays_only (GDisplay *gdisp); /* no rerender! */
-
-
- GDisplay * gdisplay_active (void);
- GDisplay * gdisplay_get_ID (gint);
-
-
- /* function declarations */
-
- GDisplay * gdisplays_check_valid (GDisplay *, GimpImage *);
- void gdisplays_reconnect (GimpImage *old, GimpImage *new);
- void gdisplays_update_title (GimpImage *);
- void gdisplays_resize_cursor_label (GimpImage *);
- void gdisplays_setup_scale (GimpImage *);
- void gdisplays_update_area (GimpImage *, gint, gint, gint, gint);
- void gdisplays_expose_guides (GimpImage *);
- void gdisplays_expose_guide (GimpImage *, Guide *);
- void gdisplays_update_full (GimpImage *);
- void gdisplays_shrink_wrap (GimpImage *);
- void gdisplays_expose_full (void);
- void gdisplays_selection_visibility (GimpImage *, SelectionControl);
- gboolean gdisplays_dirty (void);
- void gdisplays_delete (void);
- void gdisplays_flush (void);
- void gdisplays_flush_now (void);
- void gdisplays_finish_draw (void);
- void gdisplays_nav_preview_resized (void);
- void gdisplays_foreach (GFunc func, gpointer user_data);
-
- #endif /* __GDISPLAY_H__ */
-