qpaintengine_x11_p.h

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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QPAINTENGINE_X11_H
#define QPAINTENGINE_X11_H
 
#include <QtGui/QPaintEngine>
 
typedef unsigned long XID;
typedef XID Drawable;
typedef struct _XGC *GC;
 
QT_BEGIN_NAMESPACE
 
extern "C" {
Drawable qt_x11Handle(const QPaintDevice *pd);
GC qt_x11_get_pen_gc(QPainter *);
GC qt_x11_get_brush_gc(QPainter *);
}
 
class QX11PaintEnginePrivate;
class QX11PaintEngine : public QPaintEngine
{
    Q_DECLARE_PRIVATE(QX11PaintEngine)
public:
    QX11PaintEngine();
    ~QX11PaintEngine();
 
    bool begin(QPaintDevice *pdev) override;
    bool end() override;
 
    void updateState(const QPaintEngineState &state) override;
 
    void updatePen(const QPen &pen);
    void updateBrush(const QBrush &brush, const QPointF &pt);
    void updateRenderHints(QPainter::RenderHints hints);
    void updateFont(const QFont &font);
    void updateMatrix(const QTransform &matrix);
    void updateClipRegion_dev(const QRegion &region, Qt::ClipOperation op);
 
    void drawLines(const QLine *lines, int lineCount) override;
    void drawLines(const QLineF *lines, int lineCount) override;
 
    void drawRects(const QRect *rects, int rectCount) override;
    void drawRects(const QRectF *rects, int rectCount) override;
 
    void drawPoints(const QPoint *points, int pointCount) override;
    void drawPoints(const QPointF *points, int pointCount) override;
 
    void drawEllipse(const QRect &r) override;
    void drawEllipse(const QRectF &r) override;
 
    virtual void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) override;
    inline void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode) override
        { QPaintEngine::drawPolygon(points, pointCount, mode); }
 
    void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) override;
    void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s) override;
    void drawPath(const QPainterPath &path) override;
    void drawTextItem(const QPointF &p, const QTextItem &textItem) override;
    void drawImage(const QRectF &r, const QImage &img, const QRectF &sr,
                   Qt::ImageConversionFlags flags = Qt::AutoColor) override;
 
    virtual Drawable handle() const;
    inline Type type() const override { return QPaintEngine::X11; }
 
    QPainter::RenderHints supportedRenderHints() const;
 
protected:
    QX11PaintEngine(QX11PaintEnginePrivate &dptr);
 
#if QT_CONFIG(fontconfig)
    void drawFreetype(const QPointF &p, const QTextItemInt &ti);
    bool drawCachedGlyphs(const QTransform &transform, const QTextItemInt &ti);
#endif // QT_CONFIG(fontconfig)
 
    friend class QPixmap;
    friend class QFontEngineBox;
    friend GC qt_x11_get_pen_gc(QPainter *);
    friend GC qt_x11_get_brush_gc(QPainter *);
 
private:
    Q_DISABLE_COPY_MOVE(QX11PaintEngine)
};
 
QT_END_NAMESPACE
 
#endif // QPAINTENGINE_X11_H