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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
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Checked in the following released items:
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Diffstat (limited to 'freetype/src/cache/ftcimage.h')
-rw-r--r--freetype/src/cache/ftcimage.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/freetype/src/cache/ftcimage.h b/freetype/src/cache/ftcimage.h
new file mode 100644
index 000000000..20d5d3e07
--- /dev/null
+++ b/freetype/src/cache/ftcimage.h
@@ -0,0 +1,107 @@
+/***************************************************************************/
+/* */
+/* ftcimage.h */
+/* */
+/* FreeType Generic Image cache (specification) */
+/* */
+/* Copyright 2000-2001, 2002, 2003, 2006 by */
+/* David Turner, Robert Wilhelm, and Werner Lemberg. */
+/* */
+/* This file is part of the FreeType project, and may only be used, */
+/* modified, and distributed under the terms of the FreeType project */
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
+/* this file you indicate that you have read the license and */
+/* understand and accept it fully. */
+/* */
+/***************************************************************************/
+
+
+ /*
+ * FTC_ICache is an _abstract_ cache used to store a single FT_Glyph
+ * image per cache node.
+ *
+ * FTC_ICache extends FTC_GCache. For an implementation example,
+ * see FTC_ImageCache in `src/cache/ftbasic.c'.
+ */
+
+
+ /*************************************************************************/
+ /* */
+ /* Each image cache really manages FT_Glyph objects. */
+ /* */
+ /*************************************************************************/
+
+
+#ifndef __FTCIMAGE_H__
+#define __FTCIMAGE_H__
+
+
+#include <ft2build.h>
+#include FT_CACHE_H
+#include "ftcglyph.h"
+
+FT_BEGIN_HEADER
+
+
+ /* the FT_Glyph image node type - we store only 1 glyph per node */
+ typedef struct FTC_INodeRec_
+ {
+ FTC_GNodeRec gnode;
+ FT_Glyph glyph;
+
+ } FTC_INodeRec, *FTC_INode;
+
+#define FTC_INODE( x ) ( (FTC_INode)( x ) )
+#define FTC_INODE_GINDEX( x ) FTC_GNODE(x)->gindex
+#define FTC_INODE_FAMILY( x ) FTC_GNODE(x)->family
+
+ typedef FT_Error
+ (*FTC_IFamily_LoadGlyphFunc)( FTC_Family family,
+ FT_UInt gindex,
+ FTC_Cache cache,
+ FT_Glyph *aglyph );
+
+ typedef struct FTC_IFamilyClassRec_
+ {
+ FTC_MruListClassRec clazz;
+ FTC_IFamily_LoadGlyphFunc family_load_glyph;
+
+ } FTC_IFamilyClassRec;
+
+ typedef const FTC_IFamilyClassRec* FTC_IFamilyClass;
+
+#define FTC_IFAMILY_CLASS( x ) ((FTC_IFamilyClass)(x))
+
+#define FTC_CACHE__IFAMILY_CLASS( x ) \
+ FTC_IFAMILY_CLASS( FTC_CACHE__GCACHE_CLASS(x)->family_class )
+
+
+ /* can be used as a @FTC_Node_FreeFunc */
+ FT_LOCAL( void )
+ FTC_INode_Free( FTC_INode inode,
+ FTC_Cache cache );
+
+ /* Can be used as @FTC_Node_NewFunc. `gquery.index' and `gquery.family'
+ * must be set correctly. This function will call the `family_load_glyph'
+ * method to load the FT_Glyph into the cache node.
+ */
+ FT_LOCAL( FT_Error )
+ FTC_INode_New( FTC_INode *pinode,
+ FTC_GQuery gquery,
+ FTC_Cache cache );
+
+#if 0
+ /* can be used as @FTC_Node_WeightFunc */
+ FT_LOCAL( FT_ULong )
+ FTC_INode_Weight( FTC_INode inode );
+#endif
+
+
+ /* */
+
+FT_END_HEADER
+
+#endif /* __FTCIMAGE_H__ */
+
+
+/* END */