gtk2/gsk/gl/gskglglyphcacheprivate.h
Matthias Clasen d276d2629a gl: Glyph cache fixes
Pass the full location to the glyph cache lookup,
and use the same rounding as cairo does. This makes
the output much closer to the cairo renderer.
2019-07-31 00:03:13 -04:00

67 lines
2.0 KiB
C

#ifndef __GSK_GL_GLYPH_CACHE_PRIVATE_H__
#define __GSK_GL_GLYPH_CACHE_PRIVATE_H__
#include "gskgldriverprivate.h"
#include "gskglimageprivate.h"
#include "gskgltextureatlasprivate.h"
#include <pango/pango.h>
#include <gdk/gdk.h>
typedef struct
{
int ref_count;
GdkDisplay *display;
GHashTable *hash_table;
GskGLTextureAtlases *atlases;
guint64 timestamp;
} GskGLGlyphCache;
typedef struct
{
PangoFont *font;
PangoGlyph glyph;
guint xshift;
guint yshift;
guint scale; /* times 1024 */
} GlyphCacheKey;
typedef struct _GskGLCachedGlyph GskGLCachedGlyph;
struct _GskGLCachedGlyph
{
GskGLTextureAtlas *atlas;
guint texture_id;
float tx;
float ty;
float tw;
float th;
int draw_x;
int draw_y;
int draw_width;
int draw_height;
guint64 timestamp;
guint used: 1;
};
GskGLGlyphCache * gsk_gl_glyph_cache_new (GdkDisplay *display,
GskGLTextureAtlases *atlases);
GskGLGlyphCache * gsk_gl_glyph_cache_ref (GskGLGlyphCache *self);
void gsk_gl_glyph_cache_unref (GskGLGlyphCache *self);
void gsk_gl_glyph_cache_begin_frame (GskGLGlyphCache *self);
gboolean gsk_gl_glyph_cache_lookup (GskGLGlyphCache *self,
PangoFont *font,
PangoGlyph glyph,
float x,
float y,
float scale,
GskGLDriver *driver,
GskGLCachedGlyph *cached_glyph_out);
#endif