harfbuzz-qt.cpp revision 5569331642446be05292e3e1f8a51218827168cd
1/* 2 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) 3 * 4 * This is part of HarfBuzz, an OpenType Layout engine library. 5 * 6 * Permission is hereby granted, without written agreement and without 7 * license or royalty fees, to use, copy, modify, and distribute this 8 * software and its documentation for any purpose, provided that the 9 * above copyright notice and the following two paragraphs appear in 10 * all copies of this software. 11 * 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16 * DAMAGE. 17 * 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23 */ 24 25#include <harfbuzz-external.h> 26#include <Qt/private/qunicodetables_p.h> 27#include <QLibrary> 28#include <QTextCodec> 29 30extern "C" { 31 32HB_LineBreakClass HB_GetLineBreakClass(HB_UChar32 ch) 33{ 34#if QT_VERSION >= 0x040300 35 return (HB_LineBreakClass)QUnicodeTables::lineBreakClass(ch); 36#else 37#error "This test currently requires Qt >= 4.3" 38#endif 39} 40 41void HB_GetUnicodeCharProperties(HB_UChar32 ch, HB_CharCategory *category, int *combiningClass) 42{ 43 *category = (HB_CharCategory)QChar::category(ch); 44 *combiningClass = QChar::combiningClass(ch); 45} 46 47HB_CharCategory HB_GetUnicodeCharCategory(HB_UChar32 ch) 48{ 49 return (HB_CharCategory)QChar::category(ch); 50} 51 52int HB_GetUnicodeCharCombiningClass(HB_UChar32 ch) 53{ 54 return QChar::combiningClass(ch); 55} 56 57HB_UChar16 HB_GetMirroredChar(HB_UChar16 ch) 58{ 59 return QChar::mirroredChar(ch); 60} 61 62HB_WordClass HB_GetWordClass(HB_UChar32 ch) 63{ 64 const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch); 65 return (HB_WordClass) prop->wordBreak; 66} 67 68 69HB_SentenceClass HB_GetSentenceClass(HB_UChar32 ch) 70{ 71 const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch); 72 return (HB_SentenceClass) prop->sentenceBreak; 73} 74 75void HB_GetGraphemeAndLineBreakClass(HB_UChar32 ch, HB_GraphemeClass *grapheme, HB_LineBreakClass *lineBreak) 76{ 77 const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch); 78 *grapheme = (HB_GraphemeClass) prop->graphemeBreak; 79 *lineBreak = (HB_LineBreakClass) prop->line_break_class; 80} 81 82void *HB_Library_Resolve(const char *library, const char *symbol) 83{ 84 return QLibrary::resolve(library, symbol); 85} 86 87void *HB_TextCodecForMib(int mib) 88{ 89 return QTextCodec::codecForMib(mib); 90} 91 92char *HB_TextCodec_ConvertFromUnicode(void *codec, const HB_UChar16 *unicode, hb_uint32 length, hb_uint32 *outputLength) 93{ 94 QByteArray data = reinterpret_cast<QTextCodec *>(codec)->fromUnicode((const QChar *)unicode, length); 95 // ### suboptimal 96 char *output = (char *)malloc(data.length() + 1); 97 memcpy(output, data.constData(), data.length() + 1); 98 if (outputLength) 99 *outputLength = data.length(); 100 return output; 101} 102 103void HB_TextCodec_FreeResult(char *string) 104{ 105 free(string); 106} 107 108} 109