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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtOpenGL module 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPAINTENGINE_OPENGL_P_H
#define QPAINTENGINE_OPENGL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the QLibrary class. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include <private/qpaintengineex_p.h>
QT_BEGIN_NAMESPACE
class QOpenGLPaintEnginePrivate;
class QGLTexture;
class QOpenGLPaintEngineState : public QPainterState
{
public:
QOpenGLPaintEngineState(QOpenGLPaintEngineState &other);
QOpenGLPaintEngineState();
~QOpenGLPaintEngineState();
QRegion clipRegion;
bool hasClipping;
QRect fastClip;
uint depthClipId;
};
class QOpenGLPaintEngine : public QPaintEngineEx
{
Q_DECLARE_PRIVATE(QOpenGLPaintEngine)
public:
QOpenGLPaintEngine();
~QOpenGLPaintEngine();
bool begin(QPaintDevice *pdev);
bool end();
// new stuff
void clipEnabledChanged();
void penChanged();
void brushChanged();
void brushOriginChanged();
void opacityChanged();
void compositionModeChanged();
void renderHintsChanged();
void transformChanged();
void fill(const QVectorPath &path, const QBrush &brush);
void clip(const QVectorPath &path, Qt::ClipOperation op);
void setState(QPainterState *s);
QPainterState *createState(QPainterState *orig) const;
inline QOpenGLPaintEngineState *state() {
return static_cast<QOpenGLPaintEngineState *>(QPaintEngineEx::state());
}
inline const QOpenGLPaintEngineState *state() const {
return static_cast<const QOpenGLPaintEngineState *>(QPaintEngineEx::state());
}
// old stuff
void updateState(const QPaintEngineState &state);
void updatePen(const QPen &pen);
void updateBrush(const QBrush &brush, const QPointF &pt);
void updateFont(const QFont &font);
void updateMatrix(const QTransform &matrix);
void updateClipRegion(const QRegion ®ion, Qt::ClipOperation op);
void updateRenderHints(QPainter::RenderHints hints);
void updateCompositionMode(QPainter::CompositionMode composition_mode);
void drawRects(const QRectF *r, int rectCount);
void drawLines(const QLineF *lines, int lineCount);
void drawPoints(const QPointF *p, int pointCount);
void drawRects(const QRect *r, int rectCount);
void drawLines(const QLine *lines, int lineCount);
void drawPoints(const QPoint *p, int pointCount);
void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
void drawPath(const QPainterPath &path);
void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);
void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode);
void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);
void drawImage(const QRectF &r, const QImage &image, const QRectF &sr,
Qt::ImageConversionFlags conversionFlags);
void drawTextItem(const QPointF &p, const QTextItem &ti);
void drawStaticTextItem(QStaticTextItem *staticTextItem);
void drawEllipse(const QRectF &rect);
#ifdef Q_WS_WIN
HDC handle() const;
#else
Qt::HANDLE handle() const;
#endif
inline Type type() const { return QPaintEngine::OpenGL; }
bool supportsTransformations(qreal, const QTransform &) const { return true; }
private:
void drawPolyInternal(const QPolygonF &pa, bool close = true);
void drawTextureRect(int tx_width, int tx_height, const QRectF &r, const QRectF &sr,
GLenum target, QGLTexture *tex);
Q_DISABLE_COPY(QOpenGLPaintEngine)
};
QT_END_NAMESPACE
#endif // QPAINTENGINE_OPENGL_P_H
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