#ifndef __GDK_IMAGE_H__ #define __GDK_IMAGE_H__ #include #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ /* Types of images. * Normal: Normal X image type. These are slow as they involve passing * the entire image through the X connection each time a draw * request is required. On Win32, a bitmap. * Shared: Shared memory X image type. These are fast as the X server * and the program actually use the same piece of memory. They * should be used with care though as there is the possibility * for both the X server and the program to be reading/writing * the image simultaneously and producing undesired results. * On Win32, also a bitmap. */ typedef enum { GDK_IMAGE_NORMAL, GDK_IMAGE_SHARED, GDK_IMAGE_FASTEST } GdkImageType; typedef struct _GdkImageClass GdkImageClass; #define GDK_TYPE_IMAGE (gdk_image_get_type ()) #define GDK_IMAGE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_IMAGE, GdkImage)) #define GDK_IMAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_IMAGE, GdkImageClass)) #define GDK_IS_IMAGE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_IMAGE)) #define GDK_IS_IMAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_IMAGE)) #define GDK_IMAGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_IMAGE, GdkImageClass)) struct _GdkImage { GObject parent_instance; GdkImageType type; GdkVisual *visual; /* visual used to create the image */ GdkByteOrder byte_order; gint width; gint height; guint16 depth; guint16 bpp; /* bytes per pixel */ guint16 bpl; /* bytes per line */ guint16 bits_per_pixel; /* bits per pixel */ gpointer mem; GdkColormap *colormap; gpointer windowing_data; }; struct _GdkImageClass { GObjectClass parent_class; }; GType gdk_image_get_type (void) G_GNUC_CONST; GdkImage* gdk_image_new (GdkImageType type, GdkVisual *visual, gint width, gint height); GdkImage* gdk_image_get (GdkDrawable *drawable, gint x, gint y, gint width, gint height); GdkImage * gdk_image_ref (GdkImage *image); void gdk_image_unref (GdkImage *image); void gdk_image_put_pixel (GdkImage *image, gint x, gint y, guint32 pixel); guint32 gdk_image_get_pixel (GdkImage *image, gint x, gint y); void gdk_image_set_colormap (GdkImage *image, GdkColormap *colormap); GdkColormap* gdk_image_get_colormap (GdkImage *image); #ifdef GDK_ENABLE_BROKEN GdkImage* gdk_image_new_bitmap (GdkVisual *visual, gpointer data, gint width, gint height); #endif /* GDK_ENABLE_BROKEN */ #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* __GDK_IMAGE_H__ */