/**************************************************************************** ** ** 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 QPAINTENGINEEX_P_H #define QPAINTENGINEEX_P_H // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists purely as an // implementation detail. This header file may change from version to // version without notice, or even be removed. // // We mean it. // #include #include #include #include #include #include QT_BEGIN_NAMESPACE class QPainterState; class QPaintEngineExPrivate; class QStaticTextItem; struct StrokeHandler; #ifndef QT_NO_DEBUG_STREAM QDebug Q_GUI_EXPORT &operator<<(QDebug &, const QVectorPath &path); #endif class Q_GUI_EXPORT QPaintEngineEx : public QPaintEngine { Q_DECLARE_PRIVATE(QPaintEngineEx) public: QPaintEngineEx(); virtual QPainterState *createState(QPainterState *orig) const; virtual void draw(const QVectorPath &path); virtual void fill(const QVectorPath &path, const QBrush &brush) = 0; virtual void stroke(const QVectorPath &path, const QPen &pen); virtual void clip(const QVectorPath &path, Qt::ClipOperation op) = 0; virtual void clip(const QRect &rect, Qt::ClipOperation op); virtual void clip(const QRegion ®ion, Qt::ClipOperation op); virtual void clip(const QPainterPath &path, Qt::ClipOperation op); virtual void clipEnabledChanged() = 0; virtual void penChanged() = 0; virtual void brushChanged() = 0; virtual void brushOriginChanged() = 0; virtual void opacityChanged() = 0; virtual void compositionModeChanged() = 0; virtual void renderHintsChanged() = 0; virtual void transformChanged() = 0; virtual void fillRect(const QRectF &rect, const QBrush &brush); virtual void fillRect(const QRectF &rect, const QColor &color); virtual void drawRoundedRect(const QRectF &rect, qreal xrad, qreal yrad, Qt::SizeMode mode); virtual void drawRects(const QRect *rects, int rectCount) override; virtual void drawRects(const QRectF *rects, int rectCount) override; virtual void drawLines(const QLine *lines, int lineCount) override; virtual void drawLines(const QLineF *lines, int lineCount) override; virtual void drawEllipse(const QRectF &r) override; virtual void drawEllipse(const QRect &r) override; virtual void drawPath(const QPainterPath &path) override; virtual void drawPoints(const QPointF *points, int pointCount) override; virtual void drawPoints(const QPoint *points, int pointCount) override; virtual void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) override; virtual void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode) override; virtual void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) override = 0; virtual void drawPixmap(const QPointF &pos, const QPixmap &pm); virtual void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags flags = Qt::AutoColor) override = 0; virtual void drawImage(const QPointF &pos, const QImage &image); virtual void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s) override; virtual void drawPixmapFragments(const QPainter::PixmapFragment *fragments, int fragmentCount, const QPixmap &pixmap, QFlags hints); virtual void updateState(const QPaintEngineState &state) override; virtual void drawStaticTextItem(QStaticTextItem *); virtual void setState(QPainterState *s); inline QPainterState *state() { return static_cast(QPaintEngine::state); } inline const QPainterState *state() const { return static_cast(QPaintEngine::state); } virtual void sync() {} virtual void beginNativePainting() {} virtual void endNativePainting() {} // These flags are needed in the implementation of paint buffers. enum Flags { DoNotEmulate = 0x01, // If set, QPainter will not wrap this engine in an emulation engine. IsEmulationEngine = 0x02 // If set, this object is a QEmulationEngine. }; virtual uint flags() const {return 0;} virtual bool requiresPretransformedGlyphPositions(QFontEngine *fontEngine, const QTransform &m) const; virtual bool shouldDrawCachedGlyphs(QFontEngine *fontEngine, const QTransform &m) const; protected: QPaintEngineEx(QPaintEngineExPrivate &data); }; class Q_GUI_EXPORT QPaintEngineExPrivate : public QPaintEnginePrivate { Q_DECLARE_PUBLIC(QPaintEngineEx) public: QPaintEngineExPrivate(); ~QPaintEngineExPrivate(); void replayClipOperations(); bool hasClipOperations() const; QStroker stroker; QDashStroker dasher; StrokeHandler *strokeHandler; QStrokerOps *activeStroker; QPen strokerPen; QRect exDeviceRect; }; QT_END_NAMESPACE #endif