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authorChris Liddell <chris.liddell@artifex.com>2013-07-23 16:24:19 +0100
committerChris Liddell <chris.liddell@artifex.com>2015-07-20 18:21:17 +0100
commit6948650efd3fb9e2a70b8cf16aca57e9d0b7eb0a (patch)
tree5c2a1c671c1d4521f8a770d1e69e3d4342718030 /freetype/src/autofit/afblue.hin
parent7fd9e0be26e67c36f87733bc89ea07dc26d9f839 (diff)
downloadghostpdl-6948650efd3fb9e2a70b8cf16aca57e9d0b7eb0a.tar.gz
Commit of build_consolidation branch
Squashed into one commit (see branch for details of the evolution of the branch). This brings gpcl6 and gxps into the Ghostscript build system, and a shared set of graphics library object files for all the interpreters. Also, brings the same configuration options to the pcl and xps products as we have for Ghostscript.
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+/***************************************************************************/
+/* */
+/* afblue.h */
+/* */
+/* Auto-fitter data for blue strings (specification). */
+/* */
+/* Copyright 2013, 2014 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 __AFBLUE_H__
+#define __AFBLUE_H__
+
+
+FT_BEGIN_HEADER
+
+
+ /* an auxiliary macro to decode a UTF-8 character -- since we only use */
+ /* hard-coded, self-converted data, no error checking is performed */
+#define GET_UTF8_CHAR( ch, p ) \
+ ch = (unsigned char)*p++; \
+ if ( ch >= 0x80 ) \
+ { \
+ FT_UInt len; \
+ \
+ \
+ if ( ch < 0xE0 ) \
+ { \
+ len = 1; \
+ ch &= 0x1F; \
+ } \
+ else if ( ch < 0xF0 ) \
+ { \
+ len = 2; \
+ ch &= 0x0F; \
+ } \
+ else \
+ { \
+ len = 3; \
+ ch &= 0x07; \
+ } \
+ \
+ for ( ; len > 0; len-- ) \
+ ch = ( ch << 6 ) | ( *p++ & 0x3F ); \
+ }
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** B L U E S T R I N G S *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ /* At the bottommost level, we define strings for finding blue zones. */
+
+
+#define AF_BLUE_STRING_MAX_LEN @AF_BLUE_STRING_MAX_LEN@
+
+ /* The AF_Blue_String enumeration values are offsets into the */
+ /* `af_blue_strings' array. */
+
+ typedef enum AF_Blue_String_
+ {
+@AF_BLUE_STRING_ENUM@
+
+ AF_BLUE_STRING_MAX /* do not remove */
+
+ } AF_Blue_String;
+
+
+ FT_LOCAL_ARRAY( char )
+ af_blue_strings[];
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** B L U E S T R I N G S E T S *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ /* The next level is to group blue strings into style-specific sets. */
+
+
+ /* Properties are specific to a writing system. We assume that a given */
+ /* blue string can't be used in more than a single writing system, which */
+ /* is a safe bet. */
+#define AF_BLUE_PROPERTY_LATIN_TOP ( 1 << 0 ) /* must have value 1 */
+#define AF_BLUE_PROPERTY_LATIN_NEUTRAL ( 1 << 1 )
+#define AF_BLUE_PROPERTY_LATIN_X_HEIGHT ( 1 << 2 )
+#define AF_BLUE_PROPERTY_LATIN_LONG ( 1 << 3 )
+
+#define AF_BLUE_PROPERTY_CJK_TOP ( 1 << 0 ) /* must have value 1 */
+#define AF_BLUE_PROPERTY_CJK_HORIZ ( 1 << 1 ) /* must have value 2 */
+#define AF_BLUE_PROPERTY_CJK_RIGHT AF_BLUE_PROPERTY_CJK_TOP
+
+
+#define AF_BLUE_STRINGSET_MAX_LEN @AF_BLUE_STRINGSET_MAX_LEN@
+
+ /* The AF_Blue_Stringset enumeration values are offsets into the */
+ /* `af_blue_stringsets' array. */
+
+ typedef enum AF_Blue_Stringset_
+ {
+@AF_BLUE_STRINGSET_ENUM@
+
+ AF_BLUE_STRINGSET_MAX /* do not remove */
+
+ } AF_Blue_Stringset;
+
+
+ typedef struct AF_Blue_StringRec_
+ {
+ AF_Blue_String string;
+ FT_UShort properties;
+
+ } AF_Blue_StringRec;
+
+
+ FT_LOCAL_ARRAY( AF_Blue_StringRec )
+ af_blue_stringsets[];
+
+/* */
+
+FT_END_HEADER
+
+
+#endif /* __AFBLUE_H__ */
+
+
+/* END */