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#ifndef __GDK_VISUAL_H__
#define __GDK_VISUAL_H__
#include <gdk/gdktypes.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GDK_TYPE_VISUAL gdk_visual_get_type ()
/* 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
{
GdkScreen *screen;
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);
gint gdk_visual_get_best_depth_for_screen (GdkScreen * scr);
gint gdk_visual_get_best_depth (void);
GdkVisualType gdk_visual_get_best_type_for_screen (GdkScreen * scr);
GdkVisualType gdk_visual_get_best_type (void);
GdkVisual* gdk_visual_get_system (void);
GdkVisual* gdk_visual_get_best_for_screen (GdkScreen * scr);
GdkVisual* gdk_visual_get_best (void);
GdkVisual* gdk_visual_get_best_with_depth_for_screen (GdkScreen * scr,
gint depth);
GdkVisual* gdk_visual_get_best_with_depth (gint depth);
GdkVisual* gdk_visual_get_best_with_type_for_screen (GdkScreen * scr,
GdkVisualType visual_type);
GdkVisual* gdk_visual_get_best_with_type (GdkVisualType visual_type);
GdkVisual* gdk_visual_get_best_with_both_for_screen (GdkScreen * scr,
gint depth,
GdkVisualType visual_type);
GdkVisual* gdk_visual_get_best_with_both (gint depth,
GdkVisualType visual_type);
GdkVisual * gdk_visual_get_system_for_screen (GdkScreen * scr);
/* Actually, these are no-ops... */
GdkVisual* gdk_visual_ref (GdkVisual *visual);
void gdk_visual_unref (GdkVisual *visual);
void gdk_query_depths_for_screen (GdkScreen * scr,
gint ** depths,
gint * count);
void gdk_query_depths (gint **depths,
gint *count);
void gdk_query_visual_types_for_screen (GdkScreen * scr,
GdkVisualType ** visual_types,
gint * count);
void gdk_query_visual_types (GdkVisualType **visual_types,
gint *count);
GList* gdk_list_visuals (void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GDK_VISUAL_H__ */
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