69 lines
3.1 KiB
C
69 lines
3.1 KiB
C
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#pragma once
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#include "gdktexture.h"
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#include "gdkenums.h"
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G_BEGIN_DECLS
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#define GDK_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_TEXTURE, GdkTextureClass))
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#define GDK_IS_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_TEXTURE))
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#define GDK_TEXTURE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_TEXTURE, GdkTextureClass))
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struct _GdkTexture
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{
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GObject parent_instance;
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GdkMemoryFormat format;
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int width;
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int height;
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gpointer render_key;
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gpointer render_data;
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GDestroyNotify render_notify;
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/* for diffing swapchain-like textures.
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* Links are only valid if both textures agree on them */
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gpointer next_texture; /* atomic, no reference, may be invalid pointer */
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gpointer previous_texture; /* no reference, may be invalid pointer */
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cairo_region_t *diff_to_previous;
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};
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struct _GdkTextureClass {
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GObjectClass parent_class;
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/* mandatory: Download in the given format into data */
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void (* download) (GdkTexture *texture,
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GdkMemoryFormat format,
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guchar *data,
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gsize stride);
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};
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gboolean gdk_texture_can_load (GBytes *bytes);
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GdkTexture * gdk_texture_new_for_surface (cairo_surface_t *surface);
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cairo_surface_t * gdk_texture_download_surface (GdkTexture *texture);
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void gdk_texture_do_download (GdkTexture *texture,
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GdkMemoryFormat format,
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guchar *data,
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gsize stride);
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void gdk_texture_diff (GdkTexture *self,
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GdkTexture *other,
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cairo_region_t *region);
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void gdk_texture_set_diff (GdkTexture *self,
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GdkTexture *previous,
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cairo_region_t *diff);
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gboolean gdk_texture_set_render_data (GdkTexture *self,
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gpointer key,
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gpointer data,
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GDestroyNotify notify);
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void gdk_texture_clear_render_data (GdkTexture *self);
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gpointer gdk_texture_get_render_data (GdkTexture *self,
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gpointer key);
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G_END_DECLS
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