/* GDK - The GIMP Drawing Kit

* 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

* License along with this library; if not, write to the

* Free Software Foundation, Inc., 59 Temple Place - Suite 330,

* Boston, MA 02111-1307, USA.

*/

/*

* 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/.

*/

#ifndef __GDK_VISUAL_H__

#define __GDK_VISUAL_H__

#include <gdk/gdktypes.h>

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_VISUAL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_VISUAL, GdkVisualClass))

#define GDK_IS_VISUAL(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_VISUAL))

#define GDK_IS_VISUAL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_VISUAL))

#define GDK_VISUAL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_VISUAL, GdkVisualClass))

typedef struct _GdkVisualClass GdkVisualClass;

/* Types of visuals.

* StaticGray:

* Grayscale:

* StaticColor:

* PseudoColor:

* TrueColor:

* DirectColor:

*/

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;

/* The visual type.

* "type" is the type of visual this is (PseudoColor, TrueColor, etc).

* "depth" is the bit depth of this visual.

* "colormap_size" is the size of a colormap for this visual.

* "bits_per_rgb" is the number of significant bits per red, green and blue.

* The red, green and blue masks, shifts and precisions refer

* to value needed to calculate pixel values in TrueColor and DirectColor

* visuals. The "mask" is the significant bits within the pixel. The

* "shift" is the number of bits left we must shift a primary for it

* to be in position (according to the "mask"). "prec" refers to how

* much precision the pixel value contains for a particular primary.

*/

struct _GdkVisual

{

GObject parent_instance;

GdkVisualType type;

gint depth;

GdkByteOrder byte_order;

gint colormap_size;

gint bits_per_rgb;

guint32 red_mask;

gint red_shift;

gint red_prec;

guint32 green_mask;

gint green_shift;

gint green_prec;

guint32 blue_mask;

gint blue_shift;

gint blue_prec;

};

GType gdk_visual_get_type (void) G_GNUC_CONST;

#ifndef GDK_MULTIHEAD_SAFE

gint gdk_visual_get_best_depth (void);

GdkVisualType gdk_visual_get_best_type (void);

GdkVisual* gdk_visual_get_system (void);

GdkVisual* gdk_visual_get_best (void);

GdkVisual* gdk_visual_get_best_with_depth (gint depth);

GdkVisual* gdk_visual_get_best_with_type (GdkVisualType visual_type);

GdkVisual* gdk_visual_get_best_with_both (gint depth,

GdkVisualType visual_type);

void gdk_query_depths (gint **depths,

gint *count);

void gdk_query_visual_types (GdkVisualType **visual_types,

gint *count);

GList* gdk_list_visuals (void);

#endif

GdkScreen *gdk_visual_get_screen (GdkVisual *visual);

GdkVisualType gdk_visual_get_visual_type(GdkVisual*);

void gdk_visual_get_red_pixel_details(GdkVisual*, guint32*, gint*, gint*);

void gdk_visual_get_blue_pixel_details(GdkVisual*, guint32*, gint*, gint*);

void gdk_visual_get_green_pixel_details(GdkVisual*, guint32*, gint*, gint*);

gint gdk_visual_get_colormap_size(GdkVisual*);

gint gdk_visual_get_depth(GdkVisual*);

#ifndef GDK_DISABLE_DEPRECATED

#define gdk_visual_ref(v) g_object_ref(v)

#define gdk_visual_unref(v) g_object_unref(v)

#endif

G_END_DECLS

#endif /* __GDK_VISUAL_H__ */