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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 QtDeclarative 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 QSGCONTEXT2D_P_P_H
#define QSGCONTEXT2D_P_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 "qsgcontext2d_p.h"
#include <private/qobject_p.h>
QT_BEGIN_NAMESPACE
class QSGCanvasItem;
struct QSGContext2DWorkerAgent {
QSGContext2DWorkerAgent()
:ref(1)
, orig(0)
{}
QAtomicInt ref;
QSGContext2D *orig;
QMutex mutex;
QWaitCondition syncDone;
};
class QSGContext2DPrivate : public QObjectPrivate
{
Q_DECLARE_PUBLIC(QSGContext2D)
public:
QSGContext2DPrivate()
: agent(0)
, agentData(0)
, scriptEngine(0)
, cachedImage(1,1, QImage::Format_ARGB32)
, canvas(0)
, waitingForPainting(false)
{
}
void updateMatrix(const QMatrix& m);
void setSize(const QSize &s)
{
size = s;
cachedImage = QImage(s, QImage::Format_ARGB32);
}
void clear();
void reset();
// compositing
void setGlobalAlpha(qreal alpha);
void setGlobalCompositeOperation(const QString &op);
void setStrokeStyle(const QVariant &style);
void setFillStyle(const QVariant &style);
void setStrokeColor(const QColor& color);
void setFillColor(const QColor& color);
// line caps/joins
void setLineWidth(qreal w);
void setLineCap(const QString &s);
void setLineJoin(const QString &s);
void setMiterLimit(qreal m);
void setFont(const QString &font);
void setTextBaseline(const QString &font);
void setTextAlign(const QString &font);
// shadows
void setShadowOffsetX(qreal x);
void setShadowOffsetY(qreal y);
void setShadowBlur(qreal b);
void setShadowColor(const QString &str);
bool hasShadow() const;
void clearShadow();
QImage makeShadowImage(const QPixmap& pix);
void fillRectShadow(QPainter* p, QRectF shadowRect);
void fillShadowPath(QPainter* p, const QPainterPath& path);
void strokeShadowPath(QPainter* p, const QPainterPath& path);
void save();
void restore();
// QTextMetrics measureText(const QString& text);
void fillText(const QString &text, qreal x, qreal y);
void strokeText(const QString &text, qreal x, qreal y);
void scale(qreal x, qreal y);
void rotate(qreal angle);
void translate(qreal x, qreal y);
void transform(qreal m11, qreal m12, qreal m21, qreal m22,
qreal dx, qreal dy);
void setTransform(qreal m11, qreal m12, qreal m21, qreal m22,
qreal dx, qreal dy);
// rects
void clearRect(qreal x, qreal y, qreal w, qreal h);
void fillRect(qreal x, qreal y, qreal w, qreal h);
void strokeRect(qreal x, qreal y, qreal w, qreal h);
// path API
void beginPath();
void closePath();
void moveTo(qreal x, qreal y);
void lineTo(qreal x, qreal y);
void quadraticCurveTo(qreal cpx, qreal cpy, qreal x, qreal y);
void bezierCurveTo(qreal cp1x, qreal cp1y,
qreal cp2x, qreal cp2y, qreal x, qreal y);
void arcTo(qreal x1, qreal y1, qreal x2, qreal y2, qreal radius);
void rect(qreal x, qreal y, qreal w, qreal h);
void arc(qreal x, qreal y, qreal radius,
qreal startAngle, qreal endAngle,
bool anticlockwise);
void fill();
void stroke();
void clip();
void drawImage(const QString& url, qreal dx, qreal dy);
void drawImage(const QString& url, qreal dx, qreal dy, qreal dw, qreal dh);
void drawImage(const QString& url, qreal sx, qreal sy, qreal sw, qreal sh, qreal dx, qreal dy, qreal dw, qreal dh);
QList<int> getImageData(qreal sx, qreal sy, qreal sw, qreal sh);
void putImageData(const QVariantList& imageData, qreal x, qreal y, qreal w, qreal h);
int baseLineOffset(QSGContext2D::TextBaseLineType value, const QFontMetrics &metrics);
int textAlignOffset(QSGContext2D::TextAlignType value, const QFontMetrics &metrics, const QString &string);
void clearCommands()
{
commands.remove(0, commands.size());
variants.remove(0, variants.size());
pens.remove(0, pens.size());
ints.remove(0, ints.size());
reals.remove(0, reals.size());
strings.remove(0, strings.size());
colors.remove(0, colors.size());
matrixes.remove(0, matrixes.size());
brushes.remove(0, brushes.size());
pathes.remove(0, pathes.size());
fonts.remove(0, fonts.size());
images.remove(0, images.size());
sizes.remove(0, sizes.size());
}
//current context2d variables
QPainterPath path;
QSize size;
QSGContext2D::State state;
QStack<QSGContext2D::State> stateStack;
//variables for actual painting
QVector<QSGContext2D::PaintCommand> commands;
QVector<QVariant> variants;
QVector<int> ints;
QVector<qreal> reals;
QVector<QString> strings;
QVector<QColor> colors;
QVector<QMatrix> matrixes;
QVector<QPen> pens;
QVector<QBrush> brushes;
QVector<QPainterPath> pathes;
QVector<QFont> fonts;
QVector<QImage> images;
QVector<QSize> sizes;
QList<int> imageData;
//workerscript agent
QSGContext2D* agent;
QSGContext2DWorkerAgent* agentData;
QScriptEngine* scriptEngine;
QScriptValue scriptValue;
QImage cachedImage;
QSGCanvasItem* canvas;
bool waitingForPainting;
};
QT_END_NAMESPACE
#endif // QSGCONTEXT2D_P_P_H
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