src/corelib/tools/qharfbuzz.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/corelib/tools/qharfbuzz.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,170 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qunicodetables_p.h"
+#include "qlibrary.h"
+#include "qtextcodec.h"
+
+#include "qharfbuzz_p.h"
+
+QT_USE_NAMESPACE
+
+extern "C" {
+
+HB_GraphemeClass HB_GetGraphemeClass(HB_UChar32 ch)
+{
+    const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
+    return (HB_GraphemeClass) prop->graphemeBreak;
+}
+
+HB_WordClass HB_GetWordClass(HB_UChar32 ch)
+{
+    const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
+    return (HB_WordClass) prop->wordBreak;
+}
+
+HB_SentenceClass HB_GetSentenceClass(HB_UChar32 ch)
+{
+    const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
+    return (HB_SentenceClass) prop->sentenceBreak;
+}
+
+HB_LineBreakClass HB_GetLineBreakClass(HB_UChar32 ch)
+{
+    return (HB_LineBreakClass)QUnicodeTables::lineBreakClass(ch);
+}
+
+
+void HB_GetGraphemeAndLineBreakClass(HB_UChar32 ch, HB_GraphemeClass *grapheme, HB_LineBreakClass *lineBreak)
+{
+    const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
+    *grapheme = (HB_GraphemeClass) prop->graphemeBreak;
+    *lineBreak = (HB_LineBreakClass) prop->line_break_class;
+}
+
+void HB_GetUnicodeCharProperties(HB_UChar32 ch, HB_CharCategory *category, int *combiningClass)
+{
+    const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
+    *category = (HB_CharCategory)prop->category;
+    *combiningClass = prop->combiningClass;
+}
+
+HB_CharCategory HB_GetUnicodeCharCategory(HB_UChar32 ch)
+{
+    return (HB_CharCategory)QChar::category(ch);
+}
+
+int HB_GetUnicodeCharCombiningClass(HB_UChar32 ch)
+{
+    return QChar::combiningClass(ch);
+}
+
+HB_UChar16 HB_GetMirroredChar(HB_UChar16 ch)
+{
+    return QChar::mirroredChar(ch);
+}
+
+void *HB_Library_Resolve(const char *library, const char *symbol)
+{
+#ifdef QT_NO_LIBRARY
+    return 0;
+#else
+    return QLibrary::resolve(QLatin1String(library), symbol);
+#endif
+}
+
+void *HB_TextCodecForMib(int mib)
+{
+#ifndef QT_NO_TEXTCODEC
+    return QTextCodec::codecForMib(mib);
+#else
+    return 0;
+#endif
+}
+
+char *HB_TextCodec_ConvertFromUnicode(void *codec, const HB_UChar16 *unicode, hb_uint32 length, hb_uint32 *outputLength)
+{
+#ifndef QT_NO_TEXTCODEC
+    QByteArray data = reinterpret_cast<QTextCodec *>(codec)->fromUnicode((const QChar *)unicode, length);
+    // ### suboptimal
+    char *output = (char *)malloc(data.length() + 1);
+    Q_CHECK_PTR(output);
+    memcpy(output, data.constData(), data.length() + 1);
+    if (outputLength)
+        *outputLength = data.length();
+    return output;
+#else
+    return 0;
+#endif
+}
+
+void HB_TextCodec_FreeResult(char *string)
+{
+    free(string);
+}
+
+} // extern "C"
+
+QT_BEGIN_NAMESPACE
+
+HB_Bool qShapeItem(HB_ShaperItem *item)
+{
+    return HB_ShapeItem(item);
+}
+
+HB_Face qHBNewFace(void *font, HB_GetFontTableFunc tableFunc)
+{
+    return HB_NewFace(font, tableFunc);
+}
+
+void qHBFreeFace(HB_Face face)
+{
+    HB_FreeFace(face);
+}
+
+void qGetCharAttributes(const HB_UChar16 *string, hb_uint32 stringLength,
+                        const HB_ScriptItem *items, hb_uint32 numItems,
+                        HB_CharAttributes *attributes)
+{
+    HB_GetCharAttributes(string, stringLength, items, numItems, attributes);
+}
+
+QT_END_NAMESPACE