/* 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 "gimage.h" #include "info_dialog.h" #include "selection.h" #include "gdisplayF.h" /* * Global variables * */ /* some useful macros */ #define SCALESRC(g) (g->scale & 0x00ff) #define SCALEDEST(g) (g->scale >> 8) #define SCALE(g,x) ((x * SCALEDEST(g)) / SCALESRC(g)) #define UNSCALE(g,x) ((x * SCALESRC(g)) / SCALEDEST(g)) #define LOWPASS(x) ((x>0) ? x : 0) /* #define HIGHPASS(x,y) ((x>y) ? y : x) */ /* unused - == MIN */ typedef struct _IdleRenderStruct { GimpImage* gimage; int width; int height; int x; int y; int basex; int basey; guint idleid; guint handlerid; gboolean active; } IdleRenderStruct; struct _GDisplay { int 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 *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 */ GtkWidget *cancelbutton; /* widget for cancel button */ guint progressid; /* id of statusbar message for progress */ InfoDialog *window_info_dialog; /* dialog box for image information */ int 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 */ int instance; /* the instance # of this gdisplay as */ /* taken from the gimage at creation */ int depth; /* depth of our drawables */ int disp_width; /* width of drawing area in the window */ int disp_height; /* height of drawing area in the window */ int disp_xoffset; int disp_yoffset; int offset_x, offset_y; /* offset of display image into raw image */ int scale; /* scale factor from original raw image */ short draw_guides; /* should the guides be drawn? */ short 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 */ short draw_cursor; /* should we draw software cursor ? */ int cursor_x; /* software cursor X value */ int cursor_y; /* software cursor Y value */ short proximity; /* is a device in proximity of gdisplay ? */ short have_cursor; /* is cursor currently drawn ? */ IdleRenderStruct idle_render; /* state of this gdisplay's render thread */ }; /* member function declarations */ GDisplay * gdisplay_new (GimpImage *, unsigned int); void gdisplay_remove_and_delete (GDisplay *); int gdisplay_mask_value (GDisplay *, int, int); int gdisplay_mask_bounds (GDisplay *, int *, int *, int *, int *); void gdisplay_transform_coords (GDisplay *, int, int, int *, int *, int); void gdisplay_untransform_coords (GDisplay *, int, int, int *, int *, int, int); void gdisplay_transform_coords_f (GDisplay *, double, double, double *, double *, int); void gdisplay_untransform_coords_f (GDisplay *, double, double, double *, double *, int); void gdisplay_install_tool_cursor (GDisplay *, GdkCursorType); void gdisplay_remove_tool_cursor (GDisplay *); void gdisplay_set_menu_sensitivity (GDisplay *); void gdisplay_expose_area (GDisplay *, int, int, int, int); void gdisplay_expose_guide (GDisplay *, Guide *); void gdisplay_expose_full (GDisplay *); void gdisplay_flush (GDisplay *); void gdisplay_draw_guides (GDisplay *); void gdisplay_draw_guide (GDisplay *, Guide *, int); Guide* gdisplay_find_guide (GDisplay *, int, int); void gdisplay_snap_point (GDisplay *, double , double, double *, double *); void gdisplay_snap_rectangle (GDisplay *, int, int, int, int, int *, int *); void gdisplay_update_cursor (GDisplay *, int, int); /* function declarations */ GDisplay * gdisplay_active (void); GDisplay * gdisplay_get_ID (int); void gdisplays_update_title (GimpImage*); void gdisplays_update_area (GimpImage*, int, int, int, int); 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); int gdisplays_dirty (void); void gdisplays_delete (void); void gdisplays_flush (void); /* Idle rerendering of altered areas. */ void reinit_layer_idlerender (GimpImage *, Layer *); void reinit_drawable_idlerender (GimpImage *, GimpDrawable *); void reinit_gimage_idlerender (GimpImage *); #endif /* __GDISPLAY_H__ */