Move Windows font DB and engines to QtFontDatabaseSupport

This allows creating or extending QPA plugins to provide access to QFont
and related types.

It concerns both GDI and DirectWrite engines, as well as the regular and
the freetype based font databases. The qt.qpa.fonts logging category has
been moved together into the QWindowsFontDatabase related files to avoid
depending on the qwindowscontext.h header file. Finally, QwindowsNativeImage
is following pending a future refactor with similar code in qpixmap_win.cpp
and the Windows XP style.

Change-Id: Iddff2f3d715e3ab7695e6c2052b7596a01fd6fa8
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

1 files changed, 0 insertions, 143 deletions

diff --git a/src/plugins/platforms/windows/qwindowsfontenginedirectwrite.h b/src/plugins/platforms/windows/qwindowsfontenginedirectwrite.h
deleted file mode 100644
index e4a82c6a6e..0000000000
--- a/src/plugins/platforms/windows/qwindowsfontenginedirectwrite.h
+++ /dev/null
@@ -1,143 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QWINDOWSFONTENGINEDIRECTWRITE_H
-#define QWINDOWSFONTENGINEDIRECTWRITE_H
-
-#include <QtCore/qglobal.h>
-
-#ifndef QT_NO_DIRECTWRITE
-
-#include <QtGui/private/qfontengine_p.h>
-#include <QtCore/QSharedPointer>
-
-struct IDWriteFont;
-struct IDWriteFontFace;
-struct IDWriteFontFile;
-struct IDWriteFactory;
-struct IDWriteBitmapRenderTarget;
-struct IDWriteGdiInterop;
-struct IDWriteGlyphRunAnalysis;
-
-QT_BEGIN_NAMESPACE
-
-class QWindowsFontEngineData;
-
-class QWindowsFontEngineDirectWrite : public QFontEngine
-{
-public:
-    explicit QWindowsFontEngineDirectWrite(IDWriteFontFace *directWriteFontFace,
-                                    qreal pixelSize,
-                                    const QSharedPointer<QWindowsFontEngineData> &d);
-    ~QWindowsFontEngineDirectWrite();
-
-    void initFontInfo(const QFontDef &request, int dpi);
-
-    QFixed lineThickness() const Q_DECL_OVERRIDE;
-    QFixed underlinePosition() const Q_DECL_OVERRIDE;
-    bool getSfntTableData(uint tag, uchar *buffer, uint *length) const Q_DECL_OVERRIDE;
-    QFixed emSquareSize() const Q_DECL_OVERRIDE;
-
-    glyph_t glyphIndex(uint ucs4) const Q_DECL_OVERRIDE;
-    bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs,
-                      ShaperFlags flags) const Q_DECL_OVERRIDE;
-    void recalcAdvances(QGlyphLayout *glyphs, ShaperFlags) const Q_DECL_OVERRIDE;
-
-    void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
-                         QPainterPath *path, QTextItem::RenderFlags flags) Q_DECL_OVERRIDE;
-
-    glyph_metrics_t boundingBox(const QGlyphLayout &glyphs) Q_DECL_OVERRIDE;
-    glyph_metrics_t boundingBox(glyph_t g) Q_DECL_OVERRIDE;
-    glyph_metrics_t alphaMapBoundingBox(glyph_t glyph, QFixed,
-                                        const QTransform &matrix, GlyphFormat) Q_DECL_OVERRIDE;
-
-    QFixed ascent() const Q_DECL_OVERRIDE;
-    QFixed capHeight() const Q_DECL_OVERRIDE;
-    QFixed descent() const Q_DECL_OVERRIDE;
-    QFixed leading() const Q_DECL_OVERRIDE;
-    QFixed xHeight() const Q_DECL_OVERRIDE;
-    qreal maxCharWidth() const Q_DECL_OVERRIDE;
-    FaceId faceId() const Q_DECL_OVERRIDE;
-
-    bool supportsSubPixelPositions() const Q_DECL_OVERRIDE;
-
-    QImage alphaMapForGlyph(glyph_t glyph, QFixed subPixelPosition) Q_DECL_OVERRIDE;
-    QImage alphaMapForGlyph(glyph_t glyph, QFixed subPixelPosition, const QTransform &t) Q_DECL_OVERRIDE;
-    QImage alphaRGBMapForGlyph(glyph_t t, QFixed subPixelPosition, const QTransform &xform) Q_DECL_OVERRIDE;
-    QImage bitmapForGlyph(glyph_t, QFixed subPixelPosition, const QTransform &t) Q_DECL_OVERRIDE;
-
-    QFontEngine *cloneWithSize(qreal pixelSize) const Q_DECL_OVERRIDE;
-    Qt::HANDLE handle() const Q_DECL_OVERRIDE;
-
-    const QSharedPointer<QWindowsFontEngineData> &fontEngineData() const { return m_fontEngineData; }
-
-    static QString fontNameSubstitute(const QString &familyName);
-
-    IDWriteFontFace *directWriteFontFace() const { return m_directWriteFontFace; }
-
-    void setUniqueFamilyName(const QString &newName) { m_uniqueFamilyName = newName; }
-
-private:
-    QImage imageForGlyph(glyph_t t, QFixed subPixelPosition, int margin, const QTransform &xform);
-    void collectMetrics();
-    void renderGlyphRun(QImage *destination, float r, float g, float b, float a, IDWriteGlyphRunAnalysis *glyphAnalysis, const QRect &boundingRect);
-    static QString filenameFromFontFile(IDWriteFontFile *fontFile);
-
-    const QSharedPointer<QWindowsFontEngineData> m_fontEngineData;
-
-    IDWriteFontFace *m_directWriteFontFace;
-    IDWriteBitmapRenderTarget *m_directWriteBitmapRenderTarget;
-
-    QFixed m_lineThickness;
-    QFixed m_underlinePosition;
-    int m_unitsPerEm;
-    QFixed m_ascent;
-    QFixed m_capHeight;
-    QFixed m_descent;
-    QFixed m_xHeight;
-    QFixed m_lineGap;
-    FaceId m_faceId;
-    QString m_uniqueFamilyName;
-};
-
-QT_END_NAMESPACE
-
-#endif // QT_NO_DIRECTWRITE
-
-#endif // QWINDOWSFONTENGINEDIRECTWRITE_H