Merge remote-tracking branch 'qt/4.8'

1 files changed, 189 insertions, 0 deletions

diff --git a/src/gui/text/qrawfont_ft.cpp b/src/gui/text/qrawfont_ft.cpp
new file mode 100644
index 0000000..eefbd92
--- /dev/null
+++ b/src/gui/text/qrawfont_ft.cpp
@@ -0,0 +1,189 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui 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 <QtCore/qglobal.h>
+
+#if !defined(QT_NO_RAWFONT)
+
+#include "qrawfont_p.h"
+#include "qfontengine_ft_p.h"
+
+#if defined(Q_WS_X11)
+#  include "qfontengine_x11_p.h"
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class QFontEngineFTRawFont
+
+#if defined(Q_WS_X11)
+        : public QFontEngineX11FT
+#else
+        : public QFontEngineFT
+#endif
+
+{
+public:
+    QFontEngineFTRawFont(const QFontDef &fontDef)
+#if defined(Q_WS_X11)
+        : QFontEngineX11FT(fontDef)
+#else
+        : QFontEngineFT(fontDef)
+#endif
+    {
+    }
+
+    void updateFamilyNameAndStyle()
+    {
+        fontDef.family = QString::fromAscii(freetype->face->family_name);
+
+        if (freetype->face->style_flags & FT_STYLE_FLAG_ITALIC)
+            fontDef.style = QFont::StyleItalic;
+
+        if (freetype->face->style_flags & FT_STYLE_FLAG_BOLD)
+            fontDef.weight = QFont::Bold;
+    }
+
+    bool initFromData(const QByteArray &fontData)
+    {
+        FaceId faceId;
+        faceId.filename = "";
+        faceId.index = 0;
+
+        return init(faceId, true, Format_None, fontData);
+    }
+
+    bool initFromFontEngine(QFontEngine *oldFontEngine)
+    {
+        QFontEngineFT *fe = static_cast<QFontEngineFT *>(oldFontEngine);
+
+        // Increase the reference of this QFreetypeFace since one more QFontEngineFT
+        // will be using it
+        fe->freetype->ref.ref();
+        if (!init(fe->faceId(), fe->antialias, fe->defaultFormat, fe->freetype))
+            return false;
+
+        default_load_flags = fe->default_load_flags;
+        default_hint_style = fe->default_hint_style;
+        antialias = fe->antialias;
+        transform = fe->transform;
+        embolden = fe->embolden;
+        subpixelType = fe->subpixelType;
+        lcdFilterType = fe->lcdFilterType;
+        canUploadGlyphsToServer = fe->canUploadGlyphsToServer;
+        embeddedbitmap = fe->embeddedbitmap;
+
+#if defined(Q_WS_X11)
+        xglyph_format = static_cast<QFontEngineX11FT *>(fe)->xglyph_format;
+#endif
+        return true;
+    }
+};
+
+
+void QRawFontPrivate::platformCleanUp()
+{
+    // Font engine handles all resources
+}
+
+void QRawFontPrivate::platformLoadFromData(const QByteArray &fontData, int pixelSize,
+                                           QFont::HintingPreference hintingPreference)
+{
+    Q_ASSERT(fontEngine == 0);
+
+    QFontDef fontDef;
+    fontDef.pixelSize = pixelSize;
+
+    QFontEngineFTRawFont *fe = new QFontEngineFTRawFont(fontDef);
+    if (!fe->initFromData(fontData)) {
+        delete fe;
+        return;
+    }
+
+    fe->updateFamilyNameAndStyle();
+
+    switch (hintingPreference) {
+    case QFont::PreferNoHinting:
+        fe->setDefaultHintStyle(QFontEngineFT::HintNone);
+        break;
+    case QFont::PreferFullHinting:
+        fe->setDefaultHintStyle(QFontEngineFT::HintFull);
+        break;
+    case QFont::PreferVerticalHinting:
+        fe->setDefaultHintStyle(QFontEngineFT::HintLight);
+        break;
+    default:
+        // Leave it as it is
+        break;
+    }
+
+    fontEngine = fe;
+    fontEngine->ref.ref();
+}
+
+void QRawFontPrivate::platformSetPixelSize(int pixelSize)
+{
+    if (fontEngine == NULL)
+        return;
+
+    QFontEngine *oldFontEngine = fontEngine;
+
+    QFontDef fontDef;
+    fontDef.pixelSize = pixelSize;
+    QFontEngineFTRawFont *fe = new QFontEngineFTRawFont(fontDef);
+    if (!fe->initFromFontEngine(oldFontEngine)) {
+        delete fe;
+        return;
+    }
+
+    fontEngine = fe;
+    fontEngine->fontDef = oldFontEngine->fontDef;
+    fontEngine->fontDef.pixelSize = pixelSize;
+    fontEngine->ref.ref();
+    Q_ASSERT(fontEngine != oldFontEngine);
+    oldFontEngine->ref.deref();
+    if (oldFontEngine->cache_count == 0 && oldFontEngine->ref == 0)
+        delete oldFontEngine;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_RAWFONT