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/*
paintbuffer.h
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2017 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#ifndef GAMMARAY_PAINTBUFFER_H
#define GAMMARAY_PAINTBUFFER_H
#include "gammaray_core_export.h"
#include <config-gammaray.h>
#include <common/objectid.h>
#include <QVector>
#include <private/qpaintbuffer_p.h>
namespace GammaRay {
namespace Execution {
class Trace;
}
class PaintBuffer;
class PaintBufferEngine : public QPaintBufferEngine
{
public:
explicit PaintBufferEngine(GammaRay::PaintBuffer *buffer);
~PaintBufferEngine();
void clip(const QVectorPath &path, Qt::ClipOperation op) override;
void clip(const QRect &rect, Qt::ClipOperation op) override;
void clip(const QRegion ®ion, Qt::ClipOperation op) override;
void clip(const QPainterPath &path, Qt::ClipOperation op) override;
void backgroundModeChanged() override;
void brushChanged() override;
void brushOriginChanged() override;
void clipEnabledChanged() override;
void compositionModeChanged() override;
void opacityChanged() override;
void penChanged() override;
void renderHintsChanged() override;
void transformChanged() override;
void fillRect(const QRectF &rect, const QBrush &brush) override;
void fillRect(const QRectF &rect, const QColor &color) override;
void drawRects(const QRect *rects, int rectCount) override;
void drawRects(const QRectF *rects, int rectCount) override;
void drawLines(const QLine *lines, int lineCount) override;
void drawLines(const QLineF *lines, int lineCount) override;
void drawEllipse(const QRectF &r) override;
void drawEllipse(const QRect &r) override;
void drawPath(const QPainterPath &path) override;
void drawPoints(const QPoint *points, int pointCount) override;
void drawPoints(const QPointF *points, int pointCount) override;
void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode) override;
void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) override;
void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) override;
void drawPixmap(const QPointF &pos, const QPixmap &pm) override;
void drawImage(const QPointF &pos, const QImage &image) override;
void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr,
Qt::ImageConversionFlags flags = Qt::AutoColor) override;
void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s) override;
void drawTextItem(const QPointF &pos, const QTextItem &ti) override;
void drawStaticTextItem(QStaticTextItem *staticTextItem) override;
void setState(QPainterState *s) override;
private:
void createStackTrace();
void pushOrigin();
GammaRay::PaintBuffer *m_buffer;
};
class GAMMARAY_CORE_EXPORT PaintBuffer : public QPaintBuffer
{
public:
PaintBuffer();
PaintBuffer(const PaintBuffer &other);
~PaintBuffer();
PaintBuffer &operator=(const PaintBuffer &other);
QPaintEngine *paintEngine() const override;
/**
* Marks all following paint operations to origin from the given QWidget/QQuickItem
* until this is called with another object.
*/
void setOrigin(const ObjectId &obj);
/** Returns the stack trace of command at @p index. */
Execution::Trace stackTrace(int index) const;
/** Returns the origin of command at @p index. */
ObjectId origin(int index) const;
QPaintBufferPrivate *data() const;
private:
friend class PaintBufferEngine;
QPaintBufferPrivate *d; // not protected in the base class, somewhat nasty to get to
QVector<Execution::Trace> m_stackTraces;
public:
QVector<ObjectId> m_origins;
ObjectId m_currentOrigin;
};
}
#endif // GAMMARAY_PAINTBUFFER_H
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