/* 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 __GIMP_DISPLAY_H__ #define __GIMP_DISPLAY_H__ #include "core/gimpobject.h" /* FIXME move all GTK stuff to gimpdisplayshell */ #include "gui/gui-types.h" /* 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 : gimprc.monitor_xres) #define SCREEN_YRES(g) (g->dot_for_dot? g->gimage->yresolution : gimprc.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 IdleRenderStruct; struct _IdleRenderStruct { gint width; gint height; gint x; gint y; gint basex; gint basey; guint idleid; gboolean active; GSList *update_areas; /* flushed update areas */ }; extern GSList *display_list; /* EEK */ #define GIMP_TYPE_DISPLAY (gimp_display_get_type ()) #define GIMP_DISPLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_DISPLAY, GimpDisplay)) #define GIMP_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_DISPLAY, GimpDisplayClass)) #define GIMP_IS_DISPLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_DISPLAY)) #define GIMP_IS_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_DISPLAY)) #define GIMP_DISPLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_DISPLAY, GimpDisplayClass)) typedef struct _GimpDisplayClass GimpDisplayClass; struct _GimpDisplay { GimpObject parent_instance; GtkWidget *shell; /* shell widget for this gdisplay */ GimpImage *gimage; /* pointer to the associated gimage struct */ /* * these need to be first in the sturuct * because of an ugly hack in * core/gimpcontext.c */ gint ID; /* unique identifier for this gdisplay */ GtkItemFactory *ifactory; /* factory for popup menu */ GtkWidget *canvas; /* canvas widget for this gdisplay */ GtkWidget *hsb; /* widgets for scroll bars */ GtkWidget *vsb; GtkWidget *qmaskoff; /* widgets for qmask buttons */ GtkWidget *qmaskon; GtkWidget *hrule; /* widgets for rulers */ GtkWidget *vrule; GtkWidget *origin; /* widgets for rulers */ 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 */ NavigationDialog *window_nav_dialog; /* dialog box for image navigation */ NavigationDialog *nav_popup; /* the popup navigation window */ GtkWidget *warning_dialog; /* "Changes were made to %s. Close anyway?" */ GtkAdjustment *hsbdata; /* horizontal data information */ GtkAdjustment *vsbdata; /* vertical data information */ GdkPixmap *icon; /* Pixmap for the icon */ GdkBitmap *iconmask; /* Bitmap for the icon mask */ guint iconsize; /* The size of the icon pixmap */ gboolean icon_needs_update; /* Do we need to render a new icon? */ guint icon_timeout_id; /* The ID of the timeout-function */ guint icon_idle_id; /* The ID of the idle-function */ gint instance; /* the instance # of this gdisplay as */ /* taken from the gimage at creation */ 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 main cursor */ GimpToolCursorType tool_cursor; /* Current Tool cursor */ GimpCursorModifier cursor_modifier; /* Cursor modifier (plus, minus, ...) */ 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 */ }; struct _GimpDisplayClass { GimpObjectClass parent_class; }; /* member function declarations */ GType gimp_display_get_type (void); GimpDisplay * gdisplay_new (GimpImage *gimage, guint scale); void gdisplay_reconnect (GimpDisplay *gdisp, GimpImage *gimage); void gdisplay_remove_and_delete (GimpDisplay *gdisp); void gdisplay_add_update_area (GimpDisplay *gdisp, gint x, gint y, gint w, gint h); gint gdisplay_mask_value (GimpDisplay *gdisp, gint x, gint y); gint gdisplay_mask_bounds (GimpDisplay *gdisp, gint *x1, gint *y1, gint *x2, gint *y2); void gdisplay_transform_coords (GimpDisplay *gdisp, gint x, gint y, gint *nx, gint *ny, gboolean use_offsets); void gdisplay_untransform_coords (GimpDisplay *gdisp, gint x, gint y, gint *nx, gint *ny, gboolean round, gboolean use_offsets); void gdisplay_transform_coords_f (GimpDisplay *gdisp, gdouble x, gdouble y, gdouble *nx, gdouble *ny, gboolean use_offsets); void gdisplay_untransform_coords_f (GimpDisplay *gdisp, gdouble x, gdouble y, gdouble *nx, gdouble *ny, gboolean use_offsets); void gdisplay_real_install_tool_cursor (GimpDisplay *gdisp, GdkCursorType cursor_type, GimpToolCursorType tool_cursor, GimpCursorModifier modifier, gboolean always_install); void gdisplay_install_tool_cursor (GimpDisplay *gdisp, GdkCursorType cursor_type, GimpToolCursorType tool_cursor, GimpCursorModifier modifier); void gdisplay_remove_tool_cursor (GimpDisplay *gdisp); void gdisplay_install_override_cursor (GimpDisplay *gdisp, GdkCursorType cursor_type); void gdisplay_remove_override_cursor (GimpDisplay *gdisp); void gdisplay_set_menu_sensitivity (GimpDisplay *gdisp); void gdisplay_expose_area (GimpDisplay *gdisp, gint x, gint y, gint w, gint h); void gdisplay_expose_guide (GimpDisplay *gdisp, GimpGuide *guide); void gdisplay_expose_full (GimpDisplay *gdisp); void gdisplay_selection_visibility (GimpDisplay *gdisp, GimpSelectionControl control); void gdisplay_flush (GimpDisplay *gdisp); void gdisplay_flush_now (GimpDisplay *gdisp); void gdisplay_update_icon (GimpDisplay *gdisp); gboolean gdisplay_update_icon_timer (gpointer data); gboolean gdisplay_update_icon_invoker (gpointer data); void gdisplay_update_icon_scheduler (GimpImage *gimage, gpointer data); void gdisplay_draw_guides (GimpDisplay *gdisp); void gdisplay_draw_guide (GimpDisplay *gdisp, GimpGuide *guide, gboolean active); GimpGuide * gdisplay_find_guide (GimpDisplay *gdisp, gdouble x, double y); gboolean gdisplay_snap_point (GimpDisplay *gdisp, gdouble x, gdouble y, gdouble *tx, gdouble *ty); void gdisplay_snap_rectangle (GimpDisplay *gdisp, gdouble x1, gdouble y1, gdouble x2, gdouble y2, gdouble *tx1, gdouble *ty1); void gdisplay_update_cursor (GimpDisplay *gdisp, gint x, gint y); void gdisplay_set_dot_for_dot (GimpDisplay *gdisp, gboolean dot_for_dot); void gdisplay_resize_cursor_label (GimpDisplay *gdisp); void gdisplay_update_title (GimpDisplay *gdisp); void gdisplay_flush_displays_only (GimpDisplay *gdisp); /* no rerender! */ void gdisplay_flush_whenever (GimpDisplay *gdisp, gboolean now); GimpDisplay * gdisplay_get_by_ID (Gimp *gimp, gint ID); void gdisplays_finish_draw (void); #endif /* __GIMP_DISPLAY_H__ */