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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins 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 QWINDOWSDIRECT2DPAINTENGINE_H
#define QWINDOWSDIRECT2DPAINTENGINE_H
#include <QtCore/QScopedPointer>
#include <QtGui/private/qpaintengineex_p.h>
struct ID2D1Geometry;
QT_BEGIN_NAMESPACE
class QWindowsDirect2DPaintEnginePrivate;
class QWindowsDirect2DBitmap;
class QWindowsDirect2DPaintEngine : public QPaintEngineEx
{
Q_DECLARE_PRIVATE(QWindowsDirect2DPaintEngine)
friend class QWindowsDirect2DPaintEngineSuspenderImpl;
friend class QWindowsDirect2DPaintEngineSuspenderPrivate;
public:
enum Flag {
NoFlag = 0,
TranslucentTopLevelWindow = 1,
EmulateComposition = 2,
};
Q_DECLARE_FLAGS(Flags, Flag)
QWindowsDirect2DPaintEngine(QWindowsDirect2DBitmap *bitmap, Flags flags);
bool begin(QPaintDevice *pdev) Q_DECL_OVERRIDE;
bool end() Q_DECL_OVERRIDE;
Type type() const Q_DECL_OVERRIDE;
void setState(QPainterState *s) Q_DECL_OVERRIDE;
void draw(const QVectorPath &path) Q_DECL_OVERRIDE;
void fill(const QVectorPath &path, const QBrush &brush) Q_DECL_OVERRIDE;
void fill(ID2D1Geometry *geometry, const QBrush &brush);
void stroke(const QVectorPath &path, const QPen &pen) Q_DECL_OVERRIDE;
void stroke(ID2D1Geometry *geometry, const QPen &pen);
void clip(const QVectorPath &path, Qt::ClipOperation op) Q_DECL_OVERRIDE;
void clipEnabledChanged() Q_DECL_OVERRIDE;
void penChanged() Q_DECL_OVERRIDE;
void brushChanged() Q_DECL_OVERRIDE;
void brushOriginChanged() Q_DECL_OVERRIDE;
void opacityChanged() Q_DECL_OVERRIDE;
void compositionModeChanged() Q_DECL_OVERRIDE;
void renderHintsChanged() Q_DECL_OVERRIDE;
void transformChanged() Q_DECL_OVERRIDE;
void fillRect(const QRectF &rect, const QBrush &brush) Q_DECL_OVERRIDE;
void drawRects(const QRect *rects, int rectCount) Q_DECL_OVERRIDE;
void drawRects(const QRectF *rects, int rectCount) Q_DECL_OVERRIDE;
void drawEllipse(const QRectF &r) Q_DECL_OVERRIDE;
void drawEllipse(const QRect &r) Q_DECL_OVERRIDE;
void drawImage(const QRectF &rectangle, const QImage &image, const QRectF &sr, Qt::ImageConversionFlags flags = Qt::AutoColor) Q_DECL_OVERRIDE;
void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) Q_DECL_OVERRIDE;
void drawStaticTextItem(QStaticTextItem *staticTextItem) Q_DECL_OVERRIDE;
void drawTextItem(const QPointF &p, const QTextItem &textItem) Q_DECL_OVERRIDE;
private:
void ensureBrush();
void ensureBrush(const QBrush &brush);
void ensurePen();
void ensurePen(const QPen &pen);
void rasterFill(const QVectorPath &path, const QBrush &brush);
enum EmulationType { PenEmulation, BrushEmulation };
bool emulationRequired(EmulationType type) const;
bool antiAliasingEnabled() const;
void adjustForAliasing(QRectF *rect);
void adjustForAliasing(QPointF *point);
void suspend();
void resume();
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QWindowsDirect2DPaintEngine::Flags)
class QWindowsDirect2DPaintEngineSuspenderPrivate;
class QWindowsDirect2DPaintEngineSuspender
{
Q_DISABLE_COPY(QWindowsDirect2DPaintEngineSuspender)
Q_DECLARE_PRIVATE(QWindowsDirect2DPaintEngineSuspender)
QScopedPointer<QWindowsDirect2DPaintEngineSuspenderPrivate> d_ptr;
public:
QWindowsDirect2DPaintEngineSuspender(QWindowsDirect2DPaintEngine *engine);
~QWindowsDirect2DPaintEngineSuspender();
void resume();
};
QT_END_NAMESPACE
#endif // QWINDOWSDIRECT2DPAINTENGINE_H
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