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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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