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authorJonathan Kew <jfkthame@googlemail.com>2006-07-26 16:19:45 +0000
committerJonathan Kew <jfkthame@googlemail.com>2006-07-26 16:19:45 +0000
commit622bf4a7c90729be28a038c49e4c237ce9f31297 (patch)
tree77466d5c0a89c433bd1c08f4cbeaf410fda7b25c /Build/source/texk/web2c/xetexdir/cmaps.h
parente88aafe4ca4779a73487925dea63e8b55dc5e251 (diff)
added main xetex source directory
git-svn-id: svn://tug.org/texlive/trunk@1920 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/xetexdir/cmaps.h')
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1 files changed, 116 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/xetexdir/cmaps.h b/Build/source/texk/web2c/xetexdir/cmaps.h
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+/*
+ Part of the XeTeX typesetting system
+ copyright (c) 1994-2006 by SIL International
+ written by Jonathan Kew
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL SIL INTERNATIONAL BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of SIL International
+shall not be used in advertising or otherwise to promote the sale,
+use or other dealings in this Software without prior written
+authorization from SIL International.
+*/
+
+/* from ICU sample code, extended by JK for XeTeX */
+
+/***************************************************************************
+*
+* Copyright (C) 1998-2003, International Business Machines
+* Corporation and others. All Rights Reserved.
+*
+************************************************************************/
+
+
+#ifndef __CMAPS_H
+#define __CMAPS_H
+
+#include "LETypes.h"
+#include "sfnt.h"
+
+class CMAPMapper
+{
+public:
+ virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const = 0;
+
+ virtual ~CMAPMapper();
+
+ static CMAPMapper *createUnicodeMapper(const CMAPTable *cmap);
+
+protected:
+ CMAPMapper(const CMAPTable *cmap);
+
+ CMAPMapper() {};
+
+private:
+ const CMAPTable *fcmap;
+};
+
+class CMAPFormat4Mapper : public CMAPMapper
+{
+public:
+ CMAPFormat4Mapper(const CMAPTable *cmap, const CMAPFormat4Encoding *header);
+
+ virtual ~CMAPFormat4Mapper();
+
+ virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const;
+
+protected:
+ CMAPFormat4Mapper() {};
+
+private:
+ le_uint16 fEntrySelector;
+ le_uint16 fRangeShift;
+ const le_uint16 *fEndCodes;
+ const le_uint16 *fStartCodes;
+ const le_uint16 *fIdDelta;
+ const le_uint16 *fIdRangeOffset;
+};
+
+class CMAPGroupMapper : public CMAPMapper
+{
+public:
+ CMAPGroupMapper(const CMAPTable *cmap, const CMAPGroup *groups, le_uint32 nGroups);
+
+ virtual ~CMAPGroupMapper();
+
+ virtual LEGlyphID unicodeToGlyph(LEUnicode32 unicode32) const;
+
+protected:
+ CMAPGroupMapper() {};
+
+private:
+ le_int32 fPower;
+ le_int32 fRangeOffset;
+ const CMAPGroup *fGroups;
+};
+
+inline CMAPMapper::CMAPMapper(const CMAPTable *cmap)
+ : fcmap(cmap)
+{
+ // nothing else to do
+}
+
+inline CMAPMapper::~CMAPMapper()
+{
+ LE_DELETE_ARRAY(fcmap);
+}
+
+#endif
+