--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libfreetype/include/freetype/ftadvanc.h Mon Apr 25 01:46:54 2011 +0200
@@ -0,0 +1,179 @@
+/***************************************************************************/
+/* */
+/* ftadvanc.h */
+/* */
+/* Quick computation of advance widths (specification only). */
+/* */
+/* Copyright 2008 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. */
+/* */
+/***************************************************************************/
+
+
+#ifndef __FTADVANC_H__
+#define __FTADVANC_H__
+
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#ifdef FREETYPE_H
+#error "freetype.h of FreeType 1 has been loaded!"
+#error "Please fix the directory search order for header files"
+#error "so that freetype.h of FreeType 2 is found first."
+#endif
+
+
+FT_BEGIN_HEADER
+
+
+ /**************************************************************************
+ *
+ * @section:
+ * quick_advance
+ *
+ * @title:
+ * Quick retrieval of advance values
+ *
+ * @abstract:
+ * Retrieve horizontal and vertical advance values without processing
+ * glyph outlines, if possible.
+ *
+ * @description:
+ * This section contains functions to quickly extract advance values
+ * without handling glyph outlines, if possible.
+ */
+
+
+ /*************************************************************************/
+ /* */
+ /* <Const> */
+ /* FT_ADVANCE_FLAG_FAST_ONLY */
+ /* */
+ /* <Description> */
+ /* A bit-flag to be OR-ed with the `flags' parameter of the */
+ /* @FT_Get_Advance and @FT_Get_Advances functions. */
+ /* */
+ /* If set, it indicates that you want these functions to fail if the */
+ /* corresponding hinting mode or font driver doesn't allow for very */
+ /* quick advance computation. */
+ /* */
+ /* Typically, glyphs which are either unscaled, unhinted, bitmapped, */
+ /* or light-hinted can have their advance width computed very */
+ /* quickly. */
+ /* */
+ /* Normal and bytecode hinted modes, which require loading, scaling, */
+ /* and hinting of the glyph outline, are extremely slow by */
+ /* comparison. */
+ /* */
+#define FT_ADVANCE_FLAG_FAST_ONLY 0x20000000UL
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* FT_Get_Advance */
+ /* */
+ /* <Description> */
+ /* Retrieve the advance value of a given glyph outline in an */
+ /* @FT_Face. By default, the unhinted advance is returned in font */
+ /* units. */
+ /* */
+ /* <Input> */
+ /* face :: The source @FT_Face handle. */
+ /* */
+ /* gindex :: The glyph index. */
+ /* */
+ /* load_flags :: A set of bit flags similar to those used when */
+ /* calling @FT_Load_Glyph, used to determine what kind */
+ /* of advances you need. */
+ /* <Output> */
+ /* padvance :: The advance value, in either font units or 16.16 */
+ /* format. */
+ /* */
+ /* If @FT_LOAD_VERTICAL_LAYOUT is set, this is the */
+ /* vertical advance corresponding to a vertical layout. */
+ /* Otherwise, it is the horizontal advance in a */
+ /* horizontal layout. */
+ /* */
+ /* <Return> */
+ /* FreeType error code. 0 means success. */
+ /* */
+ /* <Note> */
+ /* This function may fail if you use @FT_ADVANCE_FLAG_FAST_ONLY and */
+ /* if the corresponding font backend doesn't have a quick way to */
+ /* retrieve the advances. */
+ /* */
+ /* A scaled advance is returned in 16.16 format but isn't transformed */
+ /* by the affine transformation specified by @FT_Set_Transform. */
+ /* */
+ FT_EXPORT( FT_Error )
+ FT_Get_Advance( FT_Face face,
+ FT_UInt gindex,
+ FT_Int32 load_flags,
+ FT_Fixed *padvance );
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* FT_Get_Advances */
+ /* */
+ /* <Description> */
+ /* Retrieve the advance values of several glyph outlines in an */
+ /* @FT_Face. By default, the unhinted advances are returned in font */
+ /* units. */
+ /* */
+ /* <Input> */
+ /* face :: The source @FT_Face handle. */
+ /* */
+ /* start :: The first glyph index. */
+ /* */
+ /* count :: The number of advance values you want to retrieve. */
+ /* */
+ /* load_flags :: A set of bit flags similar to those used when */
+ /* calling @FT_Load_Glyph. */
+ /* */
+ /* <Output> */
+ /* padvance :: The advances, in either font units or 16.16 format. */
+ /* This array must contain at least `count' elements. */
+ /* */
+ /* If @FT_LOAD_VERTICAL_LAYOUT is set, these are the */
+ /* vertical advances corresponding to a vertical layout. */
+ /* Otherwise, they are the horizontal advances in a */
+ /* horizontal layout. */
+ /* */
+ /* <Return> */
+ /* FreeType error code. 0 means success. */
+ /* */
+ /* <Note> */
+ /* This function may fail if you use @FT_ADVANCE_FLAG_FAST_ONLY and */
+ /* if the corresponding font backend doesn't have a quick way to */
+ /* retrieve the advances. */
+ /* */
+ /* Scaled advances are returned in 16.16 format but aren't */
+ /* transformed by the affine transformation specified by */
+ /* @FT_Set_Transform. */
+ /* */
+ FT_EXPORT( FT_Error )
+ FT_Get_Advances( FT_Face face,
+ FT_UInt start,
+ FT_UInt count,
+ FT_Int32 load_flags,
+ FT_Fixed *padvances );
+
+/* */
+
+
+FT_END_HEADER
+
+#endif /* __FTADVANC_H__ */
+
+
+/* END */