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/*
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* Copyright © 2011,2012,2013 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#define HB_SHAPER uniscribe
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#include "hb-shaper-impl-private.hh"
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#include <windows.h>
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#include <usp10.h>
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#include <rpc.h>
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#include "hb-uniscribe.h"
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#include "hb-open-file-private.hh"
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#include "hb-ot-name-table.hh"
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#include "hb-ot-tag.h"
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#ifndef HB_DEBUG_UNISCRIBE
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#define HB_DEBUG_UNISCRIBE (HB_DEBUG+0)
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#endif
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static inline uint16_t hb_uint16_swap (const uint16_t v)
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{ return (v >> 8) | (v << 8); }
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static inline uint32_t hb_uint32_swap (const uint32_t v)
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{ return (hb_uint16_swap (v) << 16) | hb_uint16_swap (v >> 16); }
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typedef HRESULT (WINAPI *SIOT) /*ScriptItemizeOpenType*/(
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const WCHAR *pwcInChars,
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int cInChars,
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int cMaxItems,
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const SCRIPT_CONTROL *psControl,
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const SCRIPT_STATE *psState,
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SCRIPT_ITEM *pItems,
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OPENTYPE_TAG *pScriptTags,
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int *pcItems
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);
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typedef HRESULT (WINAPI *SSOT) /*ScriptShapeOpenType*/(
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HDC hdc,
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SCRIPT_CACHE *psc,
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SCRIPT_ANALYSIS *psa,
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OPENTYPE_TAG tagScript,
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OPENTYPE_TAG tagLangSys,
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int *rcRangeChars,
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TEXTRANGE_PROPERTIES **rpRangeProperties,
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int cRanges,
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const WCHAR *pwcChars,
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int cChars,
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int cMaxGlyphs,
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WORD *pwLogClust,
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SCRIPT_CHARPROP *pCharProps,
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WORD *pwOutGlyphs,
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SCRIPT_GLYPHPROP *pOutGlyphProps,
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int *pcGlyphs
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);
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typedef HRESULT (WINAPI *SPOT) /*ScriptPlaceOpenType*/(
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HDC hdc,
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SCRIPT_CACHE *psc,
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SCRIPT_ANALYSIS *psa,
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OPENTYPE_TAG tagScript,
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OPENTYPE_TAG tagLangSys,
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int *rcRangeChars,
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TEXTRANGE_PROPERTIES **rpRangeProperties,
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int cRanges,
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const WCHAR *pwcChars,
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WORD *pwLogClust,
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SCRIPT_CHARPROP *pCharProps,
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int cChars,
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const WORD *pwGlyphs,
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const SCRIPT_GLYPHPROP *pGlyphProps,
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int cGlyphs,
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int *piAdvance,
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GOFFSET *pGoffset,
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ABC *pABC
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);
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/* Fallback implementations. */
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static HRESULT WINAPI
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hb_ScriptItemizeOpenType(
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const WCHAR *pwcInChars,
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int cInChars,
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int cMaxItems,
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const SCRIPT_CONTROL *psControl,
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const SCRIPT_STATE *psState,
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SCRIPT_ITEM *pItems,
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OPENTYPE_TAG *pScriptTags,
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int *pcItems
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)
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{
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{
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return ScriptItemize (pwcInChars,
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cInChars,
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cMaxItems,
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psControl,
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psState,
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pItems,
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pcItems);
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}
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}
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static HRESULT WINAPI
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hb_ScriptShapeOpenType(
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HDC hdc,
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SCRIPT_CACHE *psc,
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SCRIPT_ANALYSIS *psa,
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OPENTYPE_TAG tagScript,
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OPENTYPE_TAG tagLangSys,
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int *rcRangeChars,
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TEXTRANGE_PROPERTIES **rpRangeProperties,
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int cRanges,
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const WCHAR *pwcChars,
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int cChars,
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int cMaxGlyphs,
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WORD *pwLogClust,
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SCRIPT_CHARPROP *pCharProps,
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WORD *pwOutGlyphs,
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SCRIPT_GLYPHPROP *pOutGlyphProps,
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int *pcGlyphs
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)
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{
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SCRIPT_VISATTR *psva = (SCRIPT_VISATTR *) pOutGlyphProps;
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return ScriptShape (hdc,
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psc,
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pwcChars,
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cChars,
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cMaxGlyphs,
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psa,
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pwOutGlyphs,
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pwLogClust,
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psva,
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pcGlyphs);
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}
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static HRESULT WINAPI
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hb_ScriptPlaceOpenType(
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HDC hdc,
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SCRIPT_CACHE *psc,
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SCRIPT_ANALYSIS *psa,
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OPENTYPE_TAG tagScript,
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OPENTYPE_TAG tagLangSys,
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int *rcRangeChars,
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TEXTRANGE_PROPERTIES **rpRangeProperties,
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int cRanges,
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const WCHAR *pwcChars,
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WORD *pwLogClust,
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SCRIPT_CHARPROP *pCharProps,
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int cChars,
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const WORD *pwGlyphs,
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const SCRIPT_GLYPHPROP *pGlyphProps,
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int cGlyphs,
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int *piAdvance,
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GOFFSET *pGoffset,
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ABC *pABC
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)
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{
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SCRIPT_VISATTR *psva = (SCRIPT_VISATTR *) pGlyphProps;
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return ScriptPlace (hdc,
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psc,
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pwGlyphs,
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cGlyphs,
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psva,
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psa,
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piAdvance,
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pGoffset,
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pABC);
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}
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struct hb_uniscribe_shaper_funcs_t {
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SIOT ScriptItemizeOpenType;
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SSOT ScriptShapeOpenType;
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SPOT ScriptPlaceOpenType;
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inline void init (void)
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{
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HMODULE hinstLib;
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this->ScriptItemizeOpenType = NULL;
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this->ScriptShapeOpenType = NULL;
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this->ScriptPlaceOpenType = NULL;
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hinstLib = GetModuleHandle (TEXT ("usp10.dll"));
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if (hinstLib)
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{
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this->ScriptItemizeOpenType = (SIOT) GetProcAddress (hinstLib, "ScriptItemizeOpenType");
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this->ScriptShapeOpenType = (SSOT) GetProcAddress (hinstLib, "ScriptShapeOpenType");
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this->ScriptPlaceOpenType = (SPOT) GetProcAddress (hinstLib, "ScriptPlaceOpenType");
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}
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if (!this->ScriptItemizeOpenType ||
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!this->ScriptShapeOpenType ||
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!this->ScriptPlaceOpenType)
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{
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DEBUG_MSG (UNISCRIBE, NULL, "OpenType versions of functions not found; falling back.");
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this->ScriptItemizeOpenType = hb_ScriptItemizeOpenType;
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this->ScriptShapeOpenType = hb_ScriptShapeOpenType;
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this->ScriptPlaceOpenType = hb_ScriptPlaceOpenType;
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}
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}
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};
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static hb_uniscribe_shaper_funcs_t *uniscribe_funcs;
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static inline void
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free_uniscribe_funcs (void)
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{
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free (uniscribe_funcs);
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}
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static hb_uniscribe_shaper_funcs_t *
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hb_uniscribe_shaper_get_funcs (void)
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{
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retry:
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hb_uniscribe_shaper_funcs_t *funcs = (hb_uniscribe_shaper_funcs_t *) hb_atomic_ptr_get (&uniscribe_funcs);
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if (unlikely (!funcs))
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{
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funcs = (hb_uniscribe_shaper_funcs_t *) calloc (1, sizeof (hb_uniscribe_shaper_funcs_t));
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if (unlikely (!funcs))
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return NULL;
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funcs->init ();
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if (!hb_atomic_ptr_cmpexch (&uniscribe_funcs, NULL, funcs)) {
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free (funcs);
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goto retry;
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}
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#ifdef HB_USE_ATEXIT
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atexit (free_uniscribe_funcs); /* First person registers atexit() callback. */
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#endif
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}
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return funcs;
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}
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struct active_feature_t {
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OPENTYPE_FEATURE_RECORD rec;
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unsigned int order;
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static int cmp (const active_feature_t *a, const active_feature_t *b) {
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return a->rec.tagFeature < b->rec.tagFeature ? -1 : a->rec.tagFeature > b->rec.tagFeature ? 1 :
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a->order < b->order ? -1 : a->order > b->order ? 1 :
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a->rec.lParameter < b->rec.lParameter ? -1 : a->rec.lParameter > b->rec.lParameter ? 1 :
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0;
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}
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bool operator== (const active_feature_t *f) {
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return cmp (this, f) == 0;
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}
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};
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struct feature_event_t {
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unsigned int index;
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bool start;
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active_feature_t feature;
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static int cmp (const feature_event_t *a, const feature_event_t *b) {
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return a->index < b->index ? -1 : a->index > b->index ? 1 :
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a->start < b->start ? -1 : a->start > b->start ? 1 :
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active_feature_t::cmp (&a->feature, &b->feature);
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}
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Packit Service |
5bcba8 |
};
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
struct range_record_t {
|
|
Packit Service |
5bcba8 |
TEXTRANGE_PROPERTIES props;
|
|
Packit Service |
5bcba8 |
unsigned int index_first; /* == start */
|
|
Packit Service |
5bcba8 |
unsigned int index_last; /* == end - 1 */
|
|
Packit Service |
5bcba8 |
};
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
HB_SHAPER_DATA_ENSURE_DEFINE(uniscribe, face)
|
|
Packit Service |
5bcba8 |
HB_SHAPER_DATA_ENSURE_DEFINE(uniscribe, font)
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/*
|
|
Packit Service |
5bcba8 |
* shaper face data
|
|
Packit Service |
5bcba8 |
*/
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
struct hb_uniscribe_shaper_face_data_t {
|
|
Packit Service |
5bcba8 |
HANDLE fh;
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_funcs_t *funcs;
|
|
Packit Service |
5bcba8 |
wchar_t face_name[LF_FACESIZE];
|
|
Packit Service |
5bcba8 |
};
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* face_name should point to a wchar_t[LF_FACESIZE] object. */
|
|
Packit Service |
5bcba8 |
static void
|
|
Packit Service |
5bcba8 |
_hb_generate_unique_face_name (wchar_t *face_name, unsigned int *plen)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
/* We'll create a private name for the font from a UUID using a simple,
|
|
Packit Service |
5bcba8 |
* somewhat base64-like encoding scheme */
|
|
Packit Service |
5bcba8 |
const char *enc = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-";
|
|
Packit Service |
5bcba8 |
UUID id;
|
|
Packit Service |
5bcba8 |
UuidCreate ((UUID*) &id;;
|
|
Packit Service |
5bcba8 |
ASSERT_STATIC (2 + 3 * (16/2) < LF_FACESIZE);
|
|
Packit Service |
5bcba8 |
unsigned int name_str_len = 0;
|
|
Packit Service |
5bcba8 |
face_name[name_str_len++] = 'F';
|
|
Packit Service |
5bcba8 |
face_name[name_str_len++] = '_';
|
|
Packit Service |
5bcba8 |
unsigned char *p = (unsigned char *) &id;
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < 16; i += 2)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
/* Spread the 16 bits from two bytes of the UUID across three chars of face_name,
|
|
Packit Service |
5bcba8 |
* using the bits in groups of 5,5,6 to select chars from enc.
|
|
Packit Service |
5bcba8 |
* This will generate 24 characters; with the 'F_' prefix we already provided,
|
|
Packit Service |
5bcba8 |
* the name will be 26 chars (plus the NUL terminator), so will always fit within
|
|
Packit Service |
5bcba8 |
* face_name (LF_FACESIZE = 32). */
|
|
Packit Service |
5bcba8 |
face_name[name_str_len++] = enc[p[i] >> 3];
|
|
Packit Service |
5bcba8 |
face_name[name_str_len++] = enc[((p[i] << 2) | (p[i + 1] >> 6)) & 0x1f];
|
|
Packit Service |
5bcba8 |
face_name[name_str_len++] = enc[p[i + 1] & 0x3f];
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
face_name[name_str_len] = 0;
|
|
Packit Service |
5bcba8 |
if (plen)
|
|
Packit Service |
5bcba8 |
*plen = name_str_len;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Destroys blob. */
|
|
Packit Service |
5bcba8 |
static hb_blob_t *
|
|
Packit Service |
5bcba8 |
_hb_rename_font (hb_blob_t *blob, wchar_t *new_name)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
/* Create a copy of the font data, with the 'name' table replaced by a
|
|
Packit Service |
5bcba8 |
* table that names the font with our private F_* name created above.
|
|
Packit Service |
5bcba8 |
* For simplicity, we just append a new 'name' table and update the
|
|
Packit Service |
5bcba8 |
* sfnt directory; the original table is left in place, but unused.
|
|
Packit Service |
5bcba8 |
*
|
|
Packit Service |
5bcba8 |
* The new table will contain just 5 name IDs: family, style, unique,
|
|
Packit Service |
5bcba8 |
* full, PS. All of them point to the same name data with our unique name.
|
|
Packit Service |
5bcba8 |
*/
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
blob = OT::Sanitizer<OT::OpenTypeFontFile>::sanitize (blob);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
unsigned int length, new_length, name_str_len;
|
|
Packit Service |
5bcba8 |
const char *orig_sfnt_data = hb_blob_get_data (blob, &length);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
_hb_generate_unique_face_name (new_name, &name_str_len);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
static const uint16_t name_IDs[] = { 1, 2, 3, 4, 6 };
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
unsigned int name_table_length = OT::name::min_size +
|
|
Packit Service |
5bcba8 |
ARRAY_LENGTH (name_IDs) * OT::NameRecord::static_size +
|
|
Packit Service |
5bcba8 |
name_str_len * 2; /* for name data in UTF16BE form */
|
|
Packit Service |
5bcba8 |
unsigned int name_table_offset = (length + 3) & ~3;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
new_length = name_table_offset + ((name_table_length + 3) & ~3);
|
|
Packit Service |
5bcba8 |
void *new_sfnt_data = calloc (1, new_length);
|
|
Packit Service |
5bcba8 |
if (!new_sfnt_data)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
hb_blob_destroy (blob);
|
|
Packit Service |
5bcba8 |
return NULL;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
memcpy(new_sfnt_data, orig_sfnt_data, length);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
OT::name &name = OT::StructAtOffset<OT::name> (new_sfnt_data, name_table_offset);
|
|
Packit Service |
5bcba8 |
name.format.set (0);
|
|
Packit Service |
5bcba8 |
name.count.set (ARRAY_LENGTH (name_IDs));
|
|
Packit Service |
5bcba8 |
name.stringOffset.set (name.get_size ());
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < ARRAY_LENGTH (name_IDs); i++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
OT::NameRecord &record = name.nameRecord[i];
|
|
Packit Service |
5bcba8 |
record.platformID.set (3);
|
|
Packit Service |
5bcba8 |
record.encodingID.set (1);
|
|
Packit Service |
5bcba8 |
record.languageID.set (0x0409u); /* English */
|
|
Packit Service |
5bcba8 |
record.nameID.set (name_IDs[i]);
|
|
Packit Service |
5bcba8 |
record.length.set (name_str_len * 2);
|
|
Packit Service |
5bcba8 |
record.offset.set (0);
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Copy string data from new_name, converting wchar_t to UTF16BE. */
|
|
Packit Service |
5bcba8 |
unsigned char *p = &OT::StructAfter<unsigned char> (name);
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < name_str_len; i++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
*p++ = new_name[i] >> 8;
|
|
Packit Service |
5bcba8 |
*p++ = new_name[i] & 0xff;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Adjust name table entry to point to new name table */
|
|
Packit Service |
5bcba8 |
const OT::OpenTypeFontFile &file = * (OT::OpenTypeFontFile *) (new_sfnt_data);
|
|
Packit Service |
5bcba8 |
unsigned int face_count = file.get_face_count ();
|
|
Packit Service |
5bcba8 |
for (unsigned int face_index = 0; face_index < face_count; face_index++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
/* Note: doing multiple edits (ie. TTC) can be unsafe. There may be
|
|
Packit Service |
5bcba8 |
* toe-stepping. But we don't really care. */
|
|
Packit Service |
5bcba8 |
const OT::OpenTypeFontFace &face = file.get_face (face_index);
|
|
Packit Service |
5bcba8 |
unsigned int index;
|
|
Packit Service |
5bcba8 |
if (face.find_table_index (HB_OT_TAG_name, &index))
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
OT::TableRecord &record = const_cast<OT::TableRecord &> (face.get_table (index));
|
|
Packit Service |
5bcba8 |
record.checkSum.set_for_data (&name, name_table_length);
|
|
Packit Service |
5bcba8 |
record.offset.set (name_table_offset);
|
|
Packit Service |
5bcba8 |
record.length.set (name_table_length);
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
else if (face_index == 0) /* Fail if first face doesn't have 'name' table. */
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
free (new_sfnt_data);
|
|
Packit Service |
5bcba8 |
hb_blob_destroy (blob);
|
|
Packit Service |
5bcba8 |
return NULL;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* The checkSumAdjustment field in the 'head' table is now wrong,
|
|
Packit Service |
5bcba8 |
* but that doesn't actually seem to cause any problems so we don't
|
|
Packit Service |
5bcba8 |
* bother. */
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
hb_blob_destroy (blob);
|
|
Packit Service |
5bcba8 |
return hb_blob_create ((const char *) new_sfnt_data, new_length,
|
|
Packit Service |
5bcba8 |
HB_MEMORY_MODE_WRITABLE, NULL, free);
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_face_data_t *
|
|
Packit Service |
5bcba8 |
_hb_uniscribe_shaper_face_data_create (hb_face_t *face)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_face_data_t *data = (hb_uniscribe_shaper_face_data_t *) calloc (1, sizeof (hb_uniscribe_shaper_face_data_t));
|
|
Packit Service |
5bcba8 |
if (unlikely (!data))
|
|
Packit Service |
5bcba8 |
return NULL;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
data->funcs = hb_uniscribe_shaper_get_funcs ();
|
|
Packit Service |
5bcba8 |
if (unlikely (!data->funcs))
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
free (data);
|
|
Packit Service |
5bcba8 |
return NULL;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
hb_blob_t *blob = hb_face_reference_blob (face);
|
|
Packit Service |
5bcba8 |
if (unlikely (!hb_blob_get_length (blob)))
|
|
Packit Service |
5bcba8 |
DEBUG_MSG (UNISCRIBE, face, "Face has empty blob");
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
blob = _hb_rename_font (blob, data->face_name);
|
|
Packit Service |
5bcba8 |
if (unlikely (!blob))
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
free (data);
|
|
Packit Service |
5bcba8 |
return NULL;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
DWORD num_fonts_installed;
|
|
Packit Service |
5bcba8 |
data->fh = AddFontMemResourceEx ((void *) hb_blob_get_data (blob, NULL),
|
|
Packit Service |
5bcba8 |
hb_blob_get_length (blob),
|
|
Packit Service |
5bcba8 |
0, &num_fonts_installed);
|
|
Packit Service |
5bcba8 |
if (unlikely (!data->fh))
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
DEBUG_MSG (UNISCRIBE, face, "Face AddFontMemResourceEx() failed");
|
|
Packit Service |
5bcba8 |
free (data);
|
|
Packit Service |
5bcba8 |
return NULL;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
return data;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
void
|
|
Packit Service |
5bcba8 |
_hb_uniscribe_shaper_face_data_destroy (hb_uniscribe_shaper_face_data_t *data)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
RemoveFontMemResourceEx (data->fh);
|
|
Packit Service |
5bcba8 |
free (data);
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/*
|
|
Packit Service |
5bcba8 |
* shaper font data
|
|
Packit Service |
5bcba8 |
*/
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
struct hb_uniscribe_shaper_font_data_t {
|
|
Packit Service |
5bcba8 |
HDC hdc;
|
|
Packit Service |
5bcba8 |
LOGFONTW log_font;
|
|
Packit Service |
5bcba8 |
HFONT hfont;
|
|
Packit Service |
5bcba8 |
SCRIPT_CACHE script_cache;
|
|
Packit Service |
5bcba8 |
double x_mult, y_mult; /* From LOGFONT space to HB space. */
|
|
Packit Service |
5bcba8 |
};
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
static bool
|
|
Packit Service |
5bcba8 |
populate_log_font (LOGFONTW *lf,
|
|
Packit Service |
5bcba8 |
hb_font_t *font,
|
|
Packit Service |
5bcba8 |
unsigned int font_size)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
memset (lf, 0, sizeof (*lf));
|
|
Packit Service |
5bcba8 |
lf->lfHeight = -font_size;
|
|
Packit Service |
5bcba8 |
lf->lfCharSet = DEFAULT_CHARSET;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
hb_face_t *face = font->face;
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
memcpy (lf->lfFaceName, face_data->face_name, sizeof (lf->lfFaceName));
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
return true;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_font_data_t *
|
|
Packit Service |
5bcba8 |
_hb_uniscribe_shaper_font_data_create (hb_font_t *font)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
if (unlikely (!hb_uniscribe_shaper_face_data_ensure (font->face))) return NULL;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_font_data_t *data = (hb_uniscribe_shaper_font_data_t *) calloc (1, sizeof (hb_uniscribe_shaper_font_data_t));
|
|
Packit Service |
5bcba8 |
if (unlikely (!data))
|
|
Packit Service |
5bcba8 |
return NULL;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
int font_size = font->face->get_upem (); /* Default... */
|
|
Packit Service |
5bcba8 |
/* No idea if the following is even a good idea. */
|
|
Packit Service |
5bcba8 |
if (font->y_ppem)
|
|
Packit Service |
5bcba8 |
font_size = font->y_ppem;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (font_size < 0)
|
|
Packit Service |
5bcba8 |
font_size = -font_size;
|
|
Packit Service |
5bcba8 |
data->x_mult = (double) font->x_scale / font_size;
|
|
Packit Service |
5bcba8 |
data->y_mult = (double) font->y_scale / font_size;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
data->hdc = GetDC (NULL);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (unlikely (!populate_log_font (&data->log_font, font, font_size))) {
|
|
Packit Service |
5bcba8 |
DEBUG_MSG (UNISCRIBE, font, "Font populate_log_font() failed");
|
|
Packit Service |
5bcba8 |
_hb_uniscribe_shaper_font_data_destroy (data);
|
|
Packit Service |
5bcba8 |
return NULL;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
data->hfont = CreateFontIndirectW (&data->log_font);
|
|
Packit Service |
5bcba8 |
if (unlikely (!data->hfont)) {
|
|
Packit Service |
5bcba8 |
DEBUG_MSG (UNISCRIBE, font, "Font CreateFontIndirectW() failed");
|
|
Packit Service |
5bcba8 |
_hb_uniscribe_shaper_font_data_destroy (data);
|
|
Packit Service |
5bcba8 |
return NULL;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (!SelectObject (data->hdc, data->hfont)) {
|
|
Packit Service |
5bcba8 |
DEBUG_MSG (UNISCRIBE, font, "Font SelectObject() failed");
|
|
Packit Service |
5bcba8 |
_hb_uniscribe_shaper_font_data_destroy (data);
|
|
Packit Service |
5bcba8 |
return NULL;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
return data;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
void
|
|
Packit Service |
5bcba8 |
_hb_uniscribe_shaper_font_data_destroy (hb_uniscribe_shaper_font_data_t *data)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
if (data->hdc)
|
|
Packit Service |
5bcba8 |
ReleaseDC (NULL, data->hdc);
|
|
Packit Service |
5bcba8 |
if (data->hfont)
|
|
Packit Service |
5bcba8 |
DeleteObject (data->hfont);
|
|
Packit Service |
5bcba8 |
if (data->script_cache)
|
|
Packit Service |
5bcba8 |
ScriptFreeCache (&data->script_cache);
|
|
Packit Service |
5bcba8 |
free (data);
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
LOGFONTW *
|
|
Packit Service |
5bcba8 |
hb_uniscribe_font_get_logfontw (hb_font_t *font)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
if (unlikely (!hb_uniscribe_shaper_font_data_ensure (font))) return NULL;
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_font_data_t *font_data = HB_SHAPER_DATA_GET (font);
|
|
Packit Service |
5bcba8 |
return &font_data->log_font;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
HFONT
|
|
Packit Service |
5bcba8 |
hb_uniscribe_font_get_hfont (hb_font_t *font)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
if (unlikely (!hb_uniscribe_shaper_font_data_ensure (font))) return NULL;
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_font_data_t *font_data = HB_SHAPER_DATA_GET (font);
|
|
Packit Service |
5bcba8 |
return font_data->hfont;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/*
|
|
Packit Service |
5bcba8 |
* shaper shape_plan data
|
|
Packit Service |
5bcba8 |
*/
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
struct hb_uniscribe_shaper_shape_plan_data_t {};
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_shape_plan_data_t *
|
|
Packit Service |
5bcba8 |
_hb_uniscribe_shaper_shape_plan_data_create (hb_shape_plan_t *shape_plan HB_UNUSED,
|
|
Packit Service |
5bcba8 |
const hb_feature_t *user_features HB_UNUSED,
|
|
Packit Service |
5bcba8 |
unsigned int num_user_features HB_UNUSED,
|
|
Packit Service |
5bcba8 |
const int *coords HB_UNUSED,
|
|
Packit Service |
5bcba8 |
unsigned int num_coords HB_UNUSED)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
return (hb_uniscribe_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
void
|
|
Packit Service |
5bcba8 |
_hb_uniscribe_shaper_shape_plan_data_destroy (hb_uniscribe_shaper_shape_plan_data_t *data HB_UNUSED)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/*
|
|
Packit Service |
5bcba8 |
* shaper
|
|
Packit Service |
5bcba8 |
*/
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
hb_bool_t
|
|
Packit Service |
5bcba8 |
_hb_uniscribe_shape (hb_shape_plan_t *shape_plan,
|
|
Packit Service |
5bcba8 |
hb_font_t *font,
|
|
Packit Service |
5bcba8 |
hb_buffer_t *buffer,
|
|
Packit Service |
5bcba8 |
const hb_feature_t *features,
|
|
Packit Service |
5bcba8 |
unsigned int num_features)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
hb_face_t *face = font->face;
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face);
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_font_data_t *font_data = HB_SHAPER_DATA_GET (font);
|
|
Packit Service |
5bcba8 |
hb_uniscribe_shaper_funcs_t *funcs = face_data->funcs;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/*
|
|
Packit Service |
5bcba8 |
* Set up features.
|
|
Packit Service |
5bcba8 |
*/
|
|
Packit Service |
5bcba8 |
hb_auto_array_t<OPENTYPE_FEATURE_RECORD> feature_records;
|
|
Packit Service |
5bcba8 |
hb_auto_array_t<range_record_t> range_records;
|
|
Packit Service |
5bcba8 |
if (num_features)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
/* Sort features by start/end events. */
|
|
Packit Service |
5bcba8 |
hb_auto_array_t<feature_event_t> feature_events;
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < num_features; i++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
active_feature_t feature;
|
|
Packit Service |
5bcba8 |
feature.rec.tagFeature = hb_uint32_swap (features[i].tag);
|
|
Packit Service |
5bcba8 |
feature.rec.lParameter = features[i].value;
|
|
Packit Service |
5bcba8 |
feature.order = i;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
feature_event_t *event;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
event = feature_events.push ();
|
|
Packit Service |
5bcba8 |
if (unlikely (!event))
|
|
Packit Service |
5bcba8 |
goto fail_features;
|
|
Packit Service |
5bcba8 |
event->index = features[i].start;
|
|
Packit Service |
5bcba8 |
event->start = true;
|
|
Packit Service |
5bcba8 |
event->feature = feature;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
event = feature_events.push ();
|
|
Packit Service |
5bcba8 |
if (unlikely (!event))
|
|
Packit Service |
5bcba8 |
goto fail_features;
|
|
Packit Service |
5bcba8 |
event->index = features[i].end;
|
|
Packit Service |
5bcba8 |
event->start = false;
|
|
Packit Service |
5bcba8 |
event->feature = feature;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
feature_events.qsort ();
|
|
Packit Service |
5bcba8 |
/* Add a strategic final event. */
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
active_feature_t feature;
|
|
Packit Service |
5bcba8 |
feature.rec.tagFeature = 0;
|
|
Packit Service |
5bcba8 |
feature.rec.lParameter = 0;
|
|
Packit Service |
5bcba8 |
feature.order = num_features + 1;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
feature_event_t *event = feature_events.push ();
|
|
Packit Service |
5bcba8 |
if (unlikely (!event))
|
|
Packit Service |
5bcba8 |
goto fail_features;
|
|
Packit Service |
5bcba8 |
event->index = 0; /* This value does magic. */
|
|
Packit Service |
5bcba8 |
event->start = false;
|
|
Packit Service |
5bcba8 |
event->feature = feature;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Scan events and save features for each range. */
|
|
Packit Service |
5bcba8 |
hb_auto_array_t<active_feature_t> active_features;
|
|
Packit Service |
5bcba8 |
unsigned int last_index = 0;
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < feature_events.len; i++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
feature_event_t *event = &feature_events[i];
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (event->index != last_index)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
/* Save a snapshot of active features and the range. */
|
|
Packit Service |
5bcba8 |
range_record_t *range = range_records.push ();
|
|
Packit Service |
5bcba8 |
if (unlikely (!range))
|
|
Packit Service |
5bcba8 |
goto fail_features;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
unsigned int offset = feature_records.len;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
active_features.qsort ();
|
|
Packit Service |
5bcba8 |
for (unsigned int j = 0; j < active_features.len; j++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
if (!j || active_features[j].rec.tagFeature != feature_records[feature_records.len - 1].tagFeature)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
OPENTYPE_FEATURE_RECORD *feature = feature_records.push ();
|
|
Packit Service |
5bcba8 |
if (unlikely (!feature))
|
|
Packit Service |
5bcba8 |
goto fail_features;
|
|
Packit Service |
5bcba8 |
*feature = active_features[j].rec;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
else
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
/* Overrides value for existing feature. */
|
|
Packit Service |
5bcba8 |
feature_records[feature_records.len - 1].lParameter = active_features[j].rec.lParameter;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Will convert to pointer after all is ready, since feature_records.array
|
|
Packit Service |
5bcba8 |
* may move as we grow it. */
|
|
Packit Service |
5bcba8 |
range->props.potfRecords = reinterpret_cast<OPENTYPE_FEATURE_RECORD *> (offset);
|
|
Packit Service |
5bcba8 |
range->props.cotfRecords = feature_records.len - offset;
|
|
Packit Service |
5bcba8 |
range->index_first = last_index;
|
|
Packit Service |
5bcba8 |
range->index_last = event->index - 1;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
last_index = event->index;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (event->start) {
|
|
Packit Service |
5bcba8 |
active_feature_t *feature = active_features.push ();
|
|
Packit Service |
5bcba8 |
if (unlikely (!feature))
|
|
Packit Service |
5bcba8 |
goto fail_features;
|
|
Packit Service |
5bcba8 |
*feature = event->feature;
|
|
Packit Service |
5bcba8 |
} else {
|
|
Packit Service |
5bcba8 |
active_feature_t *feature = active_features.find (&event->feature);
|
|
Packit Service |
5bcba8 |
if (feature)
|
|
Packit Service |
5bcba8 |
active_features.remove (feature - active_features.array);
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (!range_records.len) /* No active feature found. */
|
|
Packit Service |
5bcba8 |
goto fail_features;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Fixup the pointers. */
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < range_records.len; i++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
range_record_t *range = &range_records[i];
|
|
Packit Service |
5bcba8 |
range->props.potfRecords = feature_records.array + reinterpret_cast<uintptr_t> (range->props.potfRecords);
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
else
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
fail_features:
|
|
Packit Service |
5bcba8 |
num_features = 0;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
#define FAIL(...) \
|
|
Packit Service |
5bcba8 |
HB_STMT_START { \
|
|
Packit Service |
5bcba8 |
DEBUG_MSG (UNISCRIBE, NULL, __VA_ARGS__); \
|
|
Packit Service |
5bcba8 |
return false; \
|
|
Packit Service |
5bcba8 |
} HB_STMT_END;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
HRESULT hr;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
retry:
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
unsigned int scratch_size;
|
|
Packit Service |
5bcba8 |
hb_buffer_t::scratch_buffer_t *scratch = buffer->get_scratch_buffer (&scratch_size);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
#define ALLOCATE_ARRAY(Type, name, len) \
|
|
Packit Service |
5bcba8 |
Type *name = (Type *) scratch; \
|
|
Packit Service |
5bcba8 |
{ \
|
|
Packit Service |
5bcba8 |
unsigned int _consumed = DIV_CEIL ((len) * sizeof (Type), sizeof (*scratch)); \
|
|
Packit Service |
5bcba8 |
assert (_consumed <= scratch_size); \
|
|
Packit Service |
5bcba8 |
scratch += _consumed; \
|
|
Packit Service |
5bcba8 |
scratch_size -= _consumed; \
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
#define utf16_index() var1.u32
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
ALLOCATE_ARRAY (WCHAR, pchars, buffer->len * 2);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
unsigned int chars_len = 0;
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < buffer->len; i++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
hb_codepoint_t c = buffer->info[i].codepoint;
|
|
Packit Service |
5bcba8 |
buffer->info[i].utf16_index() = chars_len;
|
|
Packit Service |
5bcba8 |
if (likely (c <= 0xFFFFu))
|
|
Packit Service |
5bcba8 |
pchars[chars_len++] = c;
|
|
Packit Service |
5bcba8 |
else if (unlikely (c > 0x10FFFFu))
|
|
Packit Service |
5bcba8 |
pchars[chars_len++] = 0xFFFDu;
|
|
Packit Service |
5bcba8 |
else {
|
|
Packit Service |
5bcba8 |
pchars[chars_len++] = 0xD800u + ((c - 0x10000u) >> 10);
|
|
Packit Service |
5bcba8 |
pchars[chars_len++] = 0xDC00u + ((c - 0x10000u) & ((1u << 10) - 1));
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
ALLOCATE_ARRAY (WORD, log_clusters, chars_len);
|
|
Packit Service |
5bcba8 |
ALLOCATE_ARRAY (SCRIPT_CHARPROP, char_props, chars_len);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (num_features)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
/* Need log_clusters to assign features. */
|
|
Packit Service |
5bcba8 |
chars_len = 0;
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < buffer->len; i++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
hb_codepoint_t c = buffer->info[i].codepoint;
|
|
Packit Service |
5bcba8 |
unsigned int cluster = buffer->info[i].cluster;
|
|
Packit Service |
5bcba8 |
log_clusters[chars_len++] = cluster;
|
|
Packit Service |
5bcba8 |
if (hb_in_range (c, 0x10000u, 0x10FFFFu))
|
|
Packit Service |
5bcba8 |
log_clusters[chars_len++] = cluster; /* Surrogates. */
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* The -2 in the following is to compensate for possible
|
|
Packit Service |
5bcba8 |
* alignment needed after the WORD array. sizeof(WORD) == 2. */
|
|
Packit Service |
5bcba8 |
unsigned int glyphs_size = (scratch_size * sizeof (int) - 2)
|
|
Packit Service |
5bcba8 |
/ (sizeof (WORD) +
|
|
Packit Service |
5bcba8 |
sizeof (SCRIPT_GLYPHPROP) +
|
|
Packit Service |
5bcba8 |
sizeof (int) +
|
|
Packit Service |
5bcba8 |
sizeof (GOFFSET) +
|
|
Packit Service |
5bcba8 |
sizeof (uint32_t));
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
ALLOCATE_ARRAY (WORD, glyphs, glyphs_size);
|
|
Packit Service |
5bcba8 |
ALLOCATE_ARRAY (SCRIPT_GLYPHPROP, glyph_props, glyphs_size);
|
|
Packit Service |
5bcba8 |
ALLOCATE_ARRAY (int, advances, glyphs_size);
|
|
Packit Service |
5bcba8 |
ALLOCATE_ARRAY (GOFFSET, offsets, glyphs_size);
|
|
Packit Service |
5bcba8 |
ALLOCATE_ARRAY (uint32_t, vis_clusters, glyphs_size);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Note:
|
|
Packit Service |
5bcba8 |
* We can't touch the contents of glyph_props. Our fallback
|
|
Packit Service |
5bcba8 |
* implementations of Shape and Place functions use that buffer
|
|
Packit Service |
5bcba8 |
* by casting it to a different type. It works because they
|
|
Packit Service |
5bcba8 |
* both agree about it, but if we want to access it here we
|
|
Packit Service |
5bcba8 |
* need address that issue first.
|
|
Packit Service |
5bcba8 |
*/
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
#undef ALLOCATE_ARRAY
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
#define MAX_ITEMS 256
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
SCRIPT_ITEM items[MAX_ITEMS + 1];
|
|
Packit Service |
5bcba8 |
SCRIPT_CONTROL bidi_control = {0};
|
|
Packit Service |
5bcba8 |
SCRIPT_STATE bidi_state = {0};
|
|
Packit Service |
5bcba8 |
ULONG script_tags[MAX_ITEMS];
|
|
Packit Service |
5bcba8 |
int item_count;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* MinGW32 doesn't define fMergeNeutralItems, so we bruteforce */
|
|
Packit Service |
5bcba8 |
//bidi_control.fMergeNeutralItems = true;
|
|
Packit Service |
5bcba8 |
*(uint32_t*)&bidi_control |= 1u<<24;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
bidi_state.uBidiLevel = HB_DIRECTION_IS_FORWARD (buffer->props.direction) ? 0 : 1;
|
|
Packit Service |
5bcba8 |
bidi_state.fOverrideDirection = 1;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
hr = funcs->ScriptItemizeOpenType (pchars,
|
|
Packit Service |
5bcba8 |
chars_len,
|
|
Packit Service |
5bcba8 |
MAX_ITEMS,
|
|
Packit Service |
5bcba8 |
&bidi_control,
|
|
Packit Service |
5bcba8 |
&bidi_state,
|
|
Packit Service |
5bcba8 |
items,
|
|
Packit Service |
5bcba8 |
script_tags,
|
|
Packit Service |
5bcba8 |
&item_count);
|
|
Packit Service |
5bcba8 |
if (unlikely (FAILED (hr)))
|
|
Packit Service |
5bcba8 |
FAIL ("ScriptItemizeOpenType() failed: 0x%08xL", hr);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
#undef MAX_ITEMS
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
OPENTYPE_TAG language_tag = hb_uint32_swap (hb_ot_tag_from_language (buffer->props.language));
|
|
Packit Service |
5bcba8 |
hb_auto_array_t<TEXTRANGE_PROPERTIES*> range_properties;
|
|
Packit Service |
5bcba8 |
hb_auto_array_t<int> range_char_counts;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
unsigned int glyphs_offset = 0;
|
|
Packit Service |
5bcba8 |
unsigned int glyphs_len;
|
|
Packit Service |
5bcba8 |
bool backward = HB_DIRECTION_IS_BACKWARD (buffer->props.direction);
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < item_count; i++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
unsigned int chars_offset = items[i].iCharPos;
|
|
Packit Service |
5bcba8 |
unsigned int item_chars_len = items[i + 1].iCharPos - chars_offset;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (num_features)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
range_properties.shrink (0);
|
|
Packit Service |
5bcba8 |
range_char_counts.shrink (0);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
range_record_t *last_range = &range_records[0];
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
for (unsigned int k = chars_offset; k < chars_offset + item_chars_len; k++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
range_record_t *range = last_range;
|
|
Packit Service |
5bcba8 |
while (log_clusters[k] < range->index_first)
|
|
Packit Service |
5bcba8 |
range--;
|
|
Packit Service |
5bcba8 |
while (log_clusters[k] > range->index_last)
|
|
Packit Service |
5bcba8 |
range++;
|
|
Packit Service |
5bcba8 |
if (!range_properties.len ||
|
|
Packit Service |
5bcba8 |
&range->props != range_properties[range_properties.len - 1])
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
TEXTRANGE_PROPERTIES **props = range_properties.push ();
|
|
Packit Service |
5bcba8 |
int *c = range_char_counts.push ();
|
|
Packit Service |
5bcba8 |
if (unlikely (!props || !c))
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
range_properties.shrink (0);
|
|
Packit Service |
5bcba8 |
range_char_counts.shrink (0);
|
|
Packit Service |
5bcba8 |
break;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
*props = &range->props;
|
|
Packit Service |
5bcba8 |
*c = 1;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
else
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
range_char_counts[range_char_counts.len - 1]++;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
last_range = range;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Asking for glyphs in logical order circumvents at least
|
|
Packit Service |
5bcba8 |
* one bug in Uniscribe. */
|
|
Packit Service |
5bcba8 |
items[i].a.fLogicalOrder = true;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
retry_shape:
|
|
Packit Service |
5bcba8 |
hr = funcs->ScriptShapeOpenType (font_data->hdc,
|
|
Packit Service |
5bcba8 |
&font_data->script_cache,
|
|
Packit Service |
5bcba8 |
&items[i].a,
|
|
Packit Service |
5bcba8 |
script_tags[i],
|
|
Packit Service |
5bcba8 |
language_tag,
|
|
Packit Service |
5bcba8 |
range_char_counts.array,
|
|
Packit Service |
5bcba8 |
range_properties.array,
|
|
Packit Service |
5bcba8 |
range_properties.len,
|
|
Packit Service |
5bcba8 |
pchars + chars_offset,
|
|
Packit Service |
5bcba8 |
item_chars_len,
|
|
Packit Service |
5bcba8 |
glyphs_size - glyphs_offset,
|
|
Packit Service |
5bcba8 |
/* out */
|
|
Packit Service |
5bcba8 |
log_clusters + chars_offset,
|
|
Packit Service |
5bcba8 |
char_props + chars_offset,
|
|
Packit Service |
5bcba8 |
glyphs + glyphs_offset,
|
|
Packit Service |
5bcba8 |
glyph_props + glyphs_offset,
|
|
Packit Service |
5bcba8 |
(int *) &glyphs_len);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (unlikely (items[i].a.fNoGlyphIndex))
|
|
Packit Service |
5bcba8 |
FAIL ("ScriptShapeOpenType() set fNoGlyphIndex");
|
|
Packit Service |
5bcba8 |
if (unlikely (hr == E_OUTOFMEMORY || hr == E_NOT_SUFFICIENT_BUFFER))
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
if (unlikely (!buffer->ensure (buffer->allocated * 2)))
|
|
Packit Service |
5bcba8 |
FAIL ("Buffer resize failed");
|
|
Packit Service |
5bcba8 |
goto retry;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
if (unlikely (hr == USP_E_SCRIPT_NOT_IN_FONT))
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
if (items[i].a.eScript == SCRIPT_UNDEFINED)
|
|
Packit Service |
5bcba8 |
FAIL ("ScriptShapeOpenType() failed: Font doesn't support script");
|
|
Packit Service |
5bcba8 |
items[i].a.eScript = SCRIPT_UNDEFINED;
|
|
Packit Service |
5bcba8 |
goto retry_shape;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
if (unlikely (FAILED (hr)))
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
FAIL ("ScriptShapeOpenType() failed: 0x%08xL", hr);
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
for (unsigned int j = chars_offset; j < chars_offset + item_chars_len; j++)
|
|
Packit Service |
5bcba8 |
log_clusters[j] += glyphs_offset;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
hr = funcs->ScriptPlaceOpenType (font_data->hdc,
|
|
Packit Service |
5bcba8 |
&font_data->script_cache,
|
|
Packit Service |
5bcba8 |
&items[i].a,
|
|
Packit Service |
5bcba8 |
script_tags[i],
|
|
Packit Service |
5bcba8 |
language_tag,
|
|
Packit Service |
5bcba8 |
range_char_counts.array,
|
|
Packit Service |
5bcba8 |
range_properties.array,
|
|
Packit Service |
5bcba8 |
range_properties.len,
|
|
Packit Service |
5bcba8 |
pchars + chars_offset,
|
|
Packit Service |
5bcba8 |
log_clusters + chars_offset,
|
|
Packit Service |
5bcba8 |
char_props + chars_offset,
|
|
Packit Service |
5bcba8 |
item_chars_len,
|
|
Packit Service |
5bcba8 |
glyphs + glyphs_offset,
|
|
Packit Service |
5bcba8 |
glyph_props + glyphs_offset,
|
|
Packit Service |
5bcba8 |
glyphs_len,
|
|
Packit Service |
5bcba8 |
/* out */
|
|
Packit Service |
5bcba8 |
advances + glyphs_offset,
|
|
Packit Service |
5bcba8 |
offsets + glyphs_offset,
|
|
Packit Service |
5bcba8 |
NULL);
|
|
Packit Service |
5bcba8 |
if (unlikely (FAILED (hr)))
|
|
Packit Service |
5bcba8 |
FAIL ("ScriptPlaceOpenType() failed: 0x%08xL", hr);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (DEBUG_ENABLED (UNISCRIBE))
|
|
Packit Service |
5bcba8 |
fprintf (stderr, "Item %d RTL %d LayoutRTL %d LogicalOrder %d ScriptTag %c%c%c%c\n",
|
|
Packit Service |
5bcba8 |
i,
|
|
Packit Service |
5bcba8 |
items[i].a.fRTL,
|
|
Packit Service |
5bcba8 |
items[i].a.fLayoutRTL,
|
|
Packit Service |
5bcba8 |
items[i].a.fLogicalOrder,
|
|
Packit Service |
5bcba8 |
HB_UNTAG (hb_uint32_swap (script_tags[i])));
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
glyphs_offset += glyphs_len;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
glyphs_len = glyphs_offset;
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Ok, we've got everything we need, now compose output buffer,
|
|
Packit Service |
5bcba8 |
* very, *very*, carefully! */
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Calculate visual-clusters. That's what we ship. */
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < glyphs_len; i++)
|
|
Packit Service |
5bcba8 |
vis_clusters[i] = -1;
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < buffer->len; i++) {
|
|
Packit Service |
5bcba8 |
uint32_t *p = &vis_clusters[log_clusters[buffer->info[i].utf16_index()]];
|
|
Packit Service |
5bcba8 |
*p = MIN (*p, buffer->info[i].cluster);
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 1; i < glyphs_len; i++)
|
|
Packit Service |
5bcba8 |
if (vis_clusters[i] == -1)
|
|
Packit Service |
5bcba8 |
vis_clusters[i] = vis_clusters[i - 1];
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
#undef utf16_index
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (unlikely (!buffer->ensure (glyphs_len)))
|
|
Packit Service |
5bcba8 |
FAIL ("Buffer in error");
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
#undef FAIL
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Set glyph infos */
|
|
Packit Service |
5bcba8 |
buffer->len = 0;
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < glyphs_len; i++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
hb_glyph_info_t *info = &buffer->info[buffer->len++];
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
info->codepoint = glyphs[i];
|
|
Packit Service |
5bcba8 |
info->cluster = vis_clusters[i];
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* The rest is crap. Let's store position info there for now. */
|
|
Packit Service |
5bcba8 |
info->mask = advances[i];
|
|
Packit Service |
5bcba8 |
info->var1.i32 = offsets[i].du;
|
|
Packit Service |
5bcba8 |
info->var2.i32 = offsets[i].dv;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Set glyph positions */
|
|
Packit Service |
5bcba8 |
buffer->clear_positions ();
|
|
Packit Service |
5bcba8 |
double x_mult = font_data->x_mult, y_mult = font_data->y_mult;
|
|
Packit Service |
5bcba8 |
for (unsigned int i = 0; i < glyphs_len; i++)
|
|
Packit Service |
5bcba8 |
{
|
|
Packit Service |
5bcba8 |
hb_glyph_info_t *info = &buffer->info[i];
|
|
Packit Service |
5bcba8 |
hb_glyph_position_t *pos = &buffer->pos[i];
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* TODO vertical */
|
|
Packit Service |
5bcba8 |
pos->x_advance = x_mult * (int32_t) info->mask;
|
|
Packit Service |
5bcba8 |
pos->x_offset = x_mult * (backward ? -info->var1.i32 : info->var1.i32);
|
|
Packit Service |
5bcba8 |
pos->y_offset = y_mult * info->var2.i32;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
if (backward)
|
|
Packit Service |
5bcba8 |
hb_buffer_reverse (buffer);
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
/* Wow, done! */
|
|
Packit Service |
5bcba8 |
return true;
|
|
Packit Service |
5bcba8 |
}
|
|
Packit Service |
5bcba8 |
|
|
Packit Service |
5bcba8 |
|