gtk2/gdk/gdkvisual.h

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/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
#ifndef __GDK_VISUAL_H__
#define __GDK_VISUAL_H__
#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif
#include <gdk/gdktypes.h>
#include <gdk/gdkversionmacros.h>
Start of integration of Erwann Chenede's multihead work from the Thu Apr 25 16:51:40 2002 Owen Taylor <otaylor@redhat.com> Start of integration of Erwann Chenede's multihead work from the gtk-multihead branch. * gdk/gdkdisplay.[ch] gdk/gdkscreen.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkscreen-x11.[ch] New classes representing a set of screens with attached input devices and a single contiguous area, respectively. * gdk/gdk.[ch] gdk/gdkinternals.h gdk/x11/gdkmain-x11.c: gdk/x11/gdkprivate-x11.h: Make the initialization interface simple _gdk_windowing_init() and do the rest in gdk_open_display() calls. * gdk/gdk.[ch]: Add gdk_parse_args() which can be used to do the display-independent part of initialization instead of gdk_init_[check]. * gdk/gdkcursor.h gdk/gdkfont.h gdk/gdkkeys.h gdk/gdkpixmap.h gdk/gdkproperty.h gdk/gdkselection.h gdk/gdkwindow.h: Add multihead variants (_for_display(), for_screen()) of functions getting information specific to a particular screen screen or display. * gdk/gdkscreen.[ch]: Add gdk_screen__* variants of functions like gdk_rgb_get_colormap() that used to get/list global objects. * gdk/x11/gdkx.h: Add functions for converting GdkScreen and GdkDisplay into the X equivalents. * gdk/x11/gdkwindow-x11.c: Removed gdk_window_xid_at_coords() not in the headers and unused. * configure.in gdk/x11/{gxid.c,gxid_lib.[ch],gdkinput-gxi.c}: Remove gxid support ... has not been tested for a long time... "xfree" support is more portable to non XFree86. * gdk/**.h: Add a GDK_MULTIHEAD_SAFE define that can be used to turn off functions that are inherently non-multihead safe. * gdk/**.c: add GDK_NOTE(multihead, ...) calls when functions are used in non-multihead-safe ways. * gdk/*.c gdk/x11/*.c: Changes to make the internals of GDK multihead safe.
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G_BEGIN_DECLS
#define GDK_TYPE_VISUAL (gdk_visual_get_type ())
#define GDK_VISUAL(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_VISUAL, GdkVisual))
#define GDK_IS_VISUAL(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_VISUAL))
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/**
* GdkVisualType:
* @GDK_VISUAL_STATIC_GRAY: Each pixel value indexes a grayscale value
* directly.
* @GDK_VISUAL_GRAYSCALE: Each pixel is an index into a color map that
* maps pixel values into grayscale values. The color map can be
* changed by an application.
* @GDK_VISUAL_STATIC_COLOR: Each pixel value is an index into a predefined,
* unmodifiable color map that maps pixel values into RGB values.
* @GDK_VISUAL_PSEUDO_COLOR: Each pixel is an index into a color map that
* maps pixel values into rgb values. The color map can be changed by
* an application.
* @GDK_VISUAL_TRUE_COLOR: Each pixel value directly contains red, green,
* and blue components. Use gdk_visual_get_red_pixel_details(), etc,
* to obtain information about how the components are assembled into
* a pixel value.
* @GDK_VISUAL_DIRECT_COLOR: Each pixel value contains red, green, and blue
* components as for %GDK_VISUAL_TRUE_COLOR, but the components are
* mapped via a color table into the final output table instead of
* being converted directly.
*
* A set of values that describe the manner in which the pixel values
* for a visual are converted into RGB values for display.
*/
typedef enum
{
GDK_VISUAL_STATIC_GRAY,
GDK_VISUAL_GRAYSCALE,
GDK_VISUAL_STATIC_COLOR,
GDK_VISUAL_PSEUDO_COLOR,
GDK_VISUAL_TRUE_COLOR,
GDK_VISUAL_DIRECT_COLOR
} GdkVisualType;
/**
* GdkVisual:
*
* A #GdkVisual contains information about
* a particular visual.
*/
GDK_AVAILABLE_IN_ALL
GType gdk_visual_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GdkScreen *gdk_visual_get_screen (GdkVisual *visual);
Changes multihead reorganizing code for win32 support, mostly from a patch Wed Jun 5 18:34:47 2002 Owen Taylor <otaylor@redhat.com> Changes multihead reorganizing code for win32 support, mostly from a patch by Hans Breuer. * gdk/gdkcolor.c gdk/x11/gdkcolor-x11.c gdk/gdkcursor.c gdk/x11/gdkcursor-x11.c gdk/gdkevents.c gdk/x11/gdkevents-x11.c gdk/gdkfont.c gdk/x11/gdkfont-x11.c gdk/gdkkeys.c gdk/x11/gdkkeys-x11.c gdk/gdkimage.c gdk/x11/gdkimage-x11.c gdk/gdkscreen.c gdk/x11/gdkmain-x11.c gdk/gdkdisplay.c gdk/gdkevents-x11.c gdk/gdkpango.c gdk/x11/gdkpango-x11.c gdk/gdkselection.c gdk/x11/gdkselection-x11.c gdk/gdkwindow.c gdk/x11/gdkwindow-x11.c gdk/gdkvisual.c gdk/x11/gdkvisual-x11.c: Move port-independent singlehead wrapper functions into port-independent part of GDK. (#80009) * gdk/win32/gdkcolor-win32.c gdk/win32/gdkcursor-win32.c gdk/win32/gdkevents-win32.c gdk/win32/gdkfont-win32.c gdk/win32/gdkimage-win32.c gdk/win32/gdkkeys-win32.c gdk/win32/gdkmain-win32.c gdk/win32/gdkproperty-win32.c gdk/win32/gdkselection-win32.c gdk/win32/gkwindow-win32.c: Turn singlehead functions into "multihead" functions that ignore their GdkDisplay or GdkScreen arguments. * gdk/win32/gdkdrawable-win32.c gdk/win32/gdkevents-win32.c gdk/win32/gdkinput-win32.c gdk/win32/gdkprivate-win32.h: Misc multihead-compatibility changes. * gtk/gtk.def gdk/gdk.def: Update for multihead functions. * gdk/gdkcolormap.h gdk/gdkvisual.h gdk/x11/gdkcolormap-x11.c gdk/x11/gdkvisual-x11.c: Remove the screen fields from the public parts of the colormap/visual structures, add accessors instead. * gdk/gdkpixbuf-render.c gdk/gdkpixmap.c gdk/gdkrgb.c gdk/x11/gdkcolormap-x11.c gdk/x11/gdkimage-x11.c gdk/x11/gdkimage-x11.c gdk/x11/gdkprivate-x11.h gtk/gtkgc.c gtk/gtkstyle.c gtk/gtkwidget.c: Use accessors to get the screen for colormaps, visuals; move the fields into the private structures for the x11 backend. * gdk/gdkdisplay.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/gdkscreen.[ch] gdk/x11/gdkscreen-x11.c: Remove virtualization of screen and display functions. (#79990, patch from Erwann Chenede) * gdk/win32/gdkdisplay-x11.c gdk/win32/gdkscreen-win32.c gdk/win32/{Makefile.am, makefile.msc, makefile.mingw}: New files containing stub implementations of Display, Screen functions. * gdk/x11/gdkscreen-x11.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkx.h: Clean up function exports and what headers they are in. (#79954) * gdk/x11/gdkx.h: Fix macro that was referring to a non-existant screen->screen_num. (In the patch for #79972, Erwann Chenede) * gdk/gdkscreen.c gdk/gdkwindow.c gdk/x11/gdkinternals.h gdk/x11/gdkscreen-x11.c: Fix gdk_screen_get_window_at_pointer() to use window hooks. (#79972, patch partly from Erwann Chenede) * gdk/x11/gdkdisplay-x11.c gdk/x11/gdkevents-x11.c: Fix some warnings.
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GDK_AVAILABLE_IN_ALL
GdkVisualType gdk_visual_get_visual_type (GdkVisual *visual);
GDK_AVAILABLE_IN_ALL
gint gdk_visual_get_depth (GdkVisual *visual);
GDK_AVAILABLE_IN_ALL
void gdk_visual_get_red_pixel_details (GdkVisual *visual,
guint32 *mask,
gint *shift,
gint *precision);
GDK_AVAILABLE_IN_ALL
void gdk_visual_get_green_pixel_details (GdkVisual *visual,
guint32 *mask,
gint *shift,
gint *precision);
GDK_AVAILABLE_IN_ALL
void gdk_visual_get_blue_pixel_details (GdkVisual *visual,
guint32 *mask,
gint *shift,
gint *precision);
Start of integration of Erwann Chenede's multihead work from the Thu Apr 25 16:51:40 2002 Owen Taylor <otaylor@redhat.com> Start of integration of Erwann Chenede's multihead work from the gtk-multihead branch. * gdk/gdkdisplay.[ch] gdk/gdkscreen.[ch] gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkscreen-x11.[ch] New classes representing a set of screens with attached input devices and a single contiguous area, respectively. * gdk/gdk.[ch] gdk/gdkinternals.h gdk/x11/gdkmain-x11.c: gdk/x11/gdkprivate-x11.h: Make the initialization interface simple _gdk_windowing_init() and do the rest in gdk_open_display() calls. * gdk/gdk.[ch]: Add gdk_parse_args() which can be used to do the display-independent part of initialization instead of gdk_init_[check]. * gdk/gdkcursor.h gdk/gdkfont.h gdk/gdkkeys.h gdk/gdkpixmap.h gdk/gdkproperty.h gdk/gdkselection.h gdk/gdkwindow.h: Add multihead variants (_for_display(), for_screen()) of functions getting information specific to a particular screen screen or display. * gdk/gdkscreen.[ch]: Add gdk_screen__* variants of functions like gdk_rgb_get_colormap() that used to get/list global objects. * gdk/x11/gdkx.h: Add functions for converting GdkScreen and GdkDisplay into the X equivalents. * gdk/x11/gdkwindow-x11.c: Removed gdk_window_xid_at_coords() not in the headers and unused. * configure.in gdk/x11/{gxid.c,gxid_lib.[ch],gdkinput-gxi.c}: Remove gxid support ... has not been tested for a long time... "xfree" support is more portable to non XFree86. * gdk/**.h: Add a GDK_MULTIHEAD_SAFE define that can be used to turn off functions that are inherently non-multihead safe. * gdk/**.c: add GDK_NOTE(multihead, ...) calls when functions are used in non-multihead-safe ways. * gdk/*.c gdk/x11/*.c: Changes to make the internals of GDK multihead safe.
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G_END_DECLS
#endif /* __GDK_VISUAL_H__ */