1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtGui module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QEMULATIONPAINTENGINE_P_H 41 #define QEMULATIONPAINTENGINE_P_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists purely as an 48 // implementation detail. This header file may change from version to 49 // version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include <QtGui/private/qtguiglobal_p.h> 55 #include <private/qpaintengineex_p.h> 56 57 QT_BEGIN_NAMESPACE 58 59 60 class QEmulationPaintEngine : public QPaintEngineEx 61 { 62 public: 63 QEmulationPaintEngine(QPaintEngineEx *engine); 64 65 bool begin(QPaintDevice *pdev) override; 66 bool end() override; 67 68 Type type() const override; 69 QPainterState *createState(QPainterState *orig) const override; 70 71 void fill(const QVectorPath &path, const QBrush &brush) override; 72 void stroke(const QVectorPath &path, const QPen &pen) override; 73 void clip(const QVectorPath &path, Qt::ClipOperation op) override; 74 75 void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) override; 76 void drawTextItem(const QPointF &p, const QTextItem &textItem) override; 77 void drawStaticTextItem(QStaticTextItem *item) override; 78 void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s) override; 79 void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags flags) override; 80 81 void clipEnabledChanged() override; 82 void penChanged() override; 83 void brushChanged() override; 84 void brushOriginChanged() override; 85 void opacityChanged() override; 86 void compositionModeChanged() override; 87 void renderHintsChanged() override; 88 void transformChanged() override; 89 90 void setState(QPainterState *s) override; 91 92 void beginNativePainting() override; 93 void endNativePainting() override; 94 flags()95 uint flags() const override { return QPaintEngineEx::IsEmulationEngine | QPaintEngineEx::DoNotEmulate; } 96 state()97 inline QPainterState *state() { return (QPainterState *)QPaintEngine::state; } state()98 inline const QPainterState *state() const { return (const QPainterState *)QPaintEngine::state; } 99 100 QPaintEngineEx *real_engine; 101 private: 102 void fillBGRect(const QRectF &r); 103 }; 104 105 QT_END_NAMESPACE 106 107 #endif 108