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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPAINTENGINE_X11_P_H
#define QPAINTENGINE_X11_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 "QtGui/qpaintengine.h"
#include "QtGui/qregion.h"
#include "QtGui/qpen.h"
#include "QtCore/qpoint.h"
#include "private/qpaintengine_p.h"
#include "private/qpainter_p.h"
#include "private/qpolygonclipper_p.h"
typedef unsigned long Picture;
QT_BEGIN_NAMESPACE
class QX11PaintEnginePrivate;
class QFontEngineFT;
class QXRenderTessellator;
struct qt_float_point
{
qreal x, y;
};
class QX11PaintEngine : public QPaintEngine
{
Q_DECLARE_PRIVATE(QX11PaintEngine)
public:
QX11PaintEngine();
~QX11PaintEngine();
bool begin(QPaintDevice *pdev);
bool end();
void updateState(const QPaintEngineState &state);
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 ®ion, Qt::ClipOperation op);
void drawLines(const QLine *lines, int lineCount);
void drawLines(const QLineF *lines, int lineCount);
void drawRects(const QRect *rects, int rectCount);
void drawRects(const QRectF *rects, int rectCount);
void drawPoints(const QPoint *points, int pointCount);
void drawPoints(const QPointF *points, int pointCount);
void drawEllipse(const QRect &r);
void drawEllipse(const QRectF &r);
virtual void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);
inline void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode)
{ QPaintEngine::drawPolygon(points, pointCount, mode); }
void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);
void drawPath(const QPainterPath &path);
void drawTextItem(const QPointF &p, const QTextItem &textItem);
void drawImage(const QRectF &r, const QImage &img, const QRectF &sr,
Qt::ImageConversionFlags flags = Qt::AutoColor);
virtual Qt::HANDLE handle() const;
inline Type type() const { return QPaintEngine::X11; }
QPainter::RenderHints supportedRenderHints() const;
protected:
QX11PaintEngine(QX11PaintEnginePrivate &dptr);
void drawXLFD(const QPointF &p, const QTextItemInt &si);
#ifndef QT_NO_FONTCONFIG
void drawFreetype(const QPointF &p, const QTextItemInt &si);
#endif
friend class QPixmap;
friend class QFontEngineBox;
friend Q_GUI_EXPORT GC qt_x11_get_pen_gc(QPainter *);
friend Q_GUI_EXPORT GC qt_x11_get_brush_gc(QPainter *);
private:
Q_DISABLE_COPY(QX11PaintEngine)
};
class QX11PaintEnginePrivate : public QPaintEnginePrivate
{
Q_DECLARE_PUBLIC(QX11PaintEngine)
public:
QX11PaintEnginePrivate()
{
scrn = -1;
hd = 0;
picture = 0;
gc = gc_brush = 0;
dpy = 0;
xinfo = 0;
txop = QTransform::TxNone;
has_clipping = false;
render_hints = 0;
xform_scale = 1;
#ifndef QT_NO_XRENDER
tessellator = 0;
#endif
}
enum GCMode {
PenGC,
BrushGC
};
void init();
void fillPolygon_translated(const QPointF *points, int pointCount, GCMode gcMode,
QPaintEngine::PolygonDrawMode mode);
void fillPolygon_dev(const QPointF *points, int pointCount, GCMode gcMode,
QPaintEngine::PolygonDrawMode mode);
void fillPath(const QPainterPath &path, GCMode gcmode, bool transform);
void strokePolygon_dev(const QPointF *points, int pointCount, bool close);
void strokePolygon_translated(const QPointF *points, int pointCount, bool close);
void setupAdaptedOrigin(const QPoint &p);
void resetAdaptedOrigin();
void decidePathFallback() {
use_path_fallback = has_alpha_brush
|| has_alpha_pen
|| has_custom_pen
|| has_complex_xform
|| (render_hints & QPainter::Antialiasing);
}
void decideCoordAdjust() {
adjust_coords = !(render_hints & QPainter::Antialiasing)
&& (has_alpha_pen
|| (has_alpha_brush && has_pen && !has_alpha_pen)
|| (cpen.style() > Qt::SolidLine));
}
void clipPolygon_dev(const QPolygonF &poly, QPolygonF *clipped_poly);
void systemStateChanged();
Display *dpy;
int scrn;
int pdev_depth;
Qt::HANDLE hd;
QPixmap brush_pm;
#if !defined (QT_NO_XRENDER)
Qt::HANDLE picture;
Qt::HANDLE current_brush;
QPixmap bitmap_texture;
int composition_mode;
#else
Qt::HANDLE picture;
#endif
GC gc;
GC gc_brush;
QPen cpen;
QBrush cbrush;
QRegion crgn;
QTransform matrix;
qreal opacity;
uint has_complex_xform : 1;
uint has_scaling_xform : 1;
uint has_non_scaling_xform : 1;
uint has_custom_pen : 1;
uint use_path_fallback : 1;
uint adjust_coords : 1;
uint has_clipping : 1;
uint adapted_brush_origin : 1;
uint adapted_pen_origin : 1;
uint has_pen : 1;
uint has_brush : 1;
uint has_texture : 1;
uint has_alpha_texture : 1;
uint has_pattern : 1;
uint has_alpha_pen : 1;
uint has_alpha_brush : 1;
uint render_hints;
const QX11Info *xinfo;
QPointF bg_origin;
QTransform::TransformationType txop;
qreal xform_scale;
QPolygonClipper<qt_float_point, qt_float_point, float> polygonClipper;
int xlibMaxLinePoints;
#ifndef QT_NO_XRENDER
QXRenderTessellator *tessellator;
#endif
};
QT_END_NAMESPACE
#endif // QPAINTENGINE_X11_P_H
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