Initial libass release (without mencoder support).

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18942 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 50 insertions, 0 deletions

diff --git a/libass/ass_cache.h b/libass/ass_cache.h
new file mode 100644
index 0000000000..07038b5e47
--- /dev/null
+++ b/libass/ass_cache.h
@@ -0,0 +1,50 @@
+#ifndef __ASS_CACHE_H__
+#define __ASS_CACHE_H__
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_STROKER_H
+#include FT_GLYPH_H
+
+// font cache
+typedef struct face_desc_s {
+	char* family;
+	unsigned bold;
+	unsigned italic;
+} face_desc_t;
+
+void ass_face_cache_init(void);
+int ass_new_face(FT_Library library, void* fontconfig_priv, face_desc_t* desc, /*out*/ FT_Face* face);
+void ass_face_cache_done(void);
+
+
+// describes a glyph; glyphs with equivalents structs are considered identical
+typedef struct glyph_hash_key_s {
+	char bitmap; // bool : true = bitmap, false = outline
+	FT_Face face;
+	int size; // font size
+	int index; // glyph index in the face
+	unsigned outline; // border width, 16.16 fixed point value
+	int bold, italic;
+
+	// the following affects bitmap glyphs only
+	unsigned scale_x, scale_y; // 16.16
+	int angle; // signed 16.16
+	
+	FT_Vector advance; // subpixel shift vector
+} glyph_hash_key_t;
+
+typedef struct glyph_hash_val_s {
+	FT_Glyph glyph; // the actual glyphs
+	FT_Glyph outline_glyph;
+	FT_BBox bbox_scaled; // bbox after scaling, but before rotation
+	FT_Vector advance; // 26.6, advance distance to the next glyph in line
+} glyph_hash_val_t;
+
+void ass_glyph_cache_init(void);
+void cache_add_glyph(glyph_hash_key_t* key, glyph_hash_val_t* val);
+glyph_hash_val_t* cache_find_glyph(glyph_hash_key_t* key);
+void ass_glyph_cache_done(void);
+
+#endif
+