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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtOpenVG module of the Qt Toolkit.

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     9 ** $QT_BEGIN_LICENSE:LGPL$

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    12 ** You may use this file in accordance with the terms and conditions

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    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QPAINTENGINE_VG_P_H

    43 #define QPAINTENGINE_VG_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists purely as an

    50 // implementation detail.  This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include <QtGui/private/qpaintengineex_p.h>

    57 

    58 QT_BEGIN_NAMESPACE

    59 

    60 class QVGPaintEnginePrivate;

    61 class QPixmapData;

    62 class QVGEGLWindowSurfacePrivate;

    63 

    64 class Q_OPENVG_EXPORT QVGPainterState : public QPainterState

    65 {

    66 public:

    67     QVGPainterState(QVGPainterState& other);

    68     QVGPainterState();

    69     ~QVGPainterState();

    70 

    71     bool isNew;

    72     QRegion clipRegion;

    73     QPaintEngine::DirtyFlags savedDirty;

    74 };

    75 

    76 class Q_OPENVG_EXPORT QVGPaintEngine : public QPaintEngineEx

    77 {

    78     Q_DECLARE_PRIVATE(QVGPaintEngine)

    79 public:

    80     QVGPaintEngine();

    81     ~QVGPaintEngine();

    82 

    83     Type type() const { return OpenVG; }

    84 

    85     QPainterState *createState(QPainterState *orig) const;

    86 

    87     bool begin(QPaintDevice *pdev);

    88     bool end();

    89 

    90     void draw(const QVectorPath &path);

    91     void fill(const QVectorPath &path, const QBrush &brush);

    92     void stroke(const QVectorPath &path, const QPen &pen);

    93 

    94     void clip(const QVectorPath &path, Qt::ClipOperation op);

    95     void clip(const QRect &rect, Qt::ClipOperation op);

    96     void clip(const QRegion &region, Qt::ClipOperation op);

    97     void clip(const QPainterPath &path, Qt::ClipOperation op);

    98 

    99     void clipEnabledChanged();

   100     void penChanged();

   101     void brushChanged();

   102     void brushOriginChanged();

   103     void opacityChanged();

   104     void compositionModeChanged();

   105     void renderHintsChanged();

   106     void transformChanged();

   107 

   108     void fillRect(const QRectF &rect, const QBrush &brush);

   109     void fillRect(const QRectF &rect, const QColor &color);

   110 

   111     void drawRoundedRect(const QRectF &rect, qreal xrad, qreal yrad, Qt::SizeMode mode);

   112 

   113     void drawRects(const QRect *rects, int rectCount);

   114     void drawRects(const QRectF *rects, int rectCount);

   115 

   116     void drawLines(const QLine *lines, int lineCount);

   117     void drawLines(const QLineF *lines, int lineCount);

   118 

   119     void drawEllipse(const QRectF &r);

   120     void drawEllipse(const QRect &r);

   121 

   122     void drawPath(const QPainterPath &path);

   123 

   124     void drawPoints(const QPointF *points, int pointCount);

   125     void drawPoints(const QPoint *points, int pointCount);

   126 

   127     void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);

   128     void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode);

   129 

   130     void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);

   131     void drawPixmap(const QPointF &pos, const QPixmap &pm);

   132 

   133     void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr,

   134                    Qt::ImageConversionFlags flags = Qt::AutoColor);

   135     void drawImage(const QPointF &pos, const QImage &image);

   136 

   137     void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);

   138 

   139     void drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QFlags<QDrawPixmaps::DrawingHint> hints);

   140 

   141     void drawTextItem(const QPointF &p, const QTextItem &textItem);

   142 

   143     void setState(QPainterState *s);

   144     QVGPainterState *state() { return static_cast<QVGPainterState *>(QPaintEngineEx::state()); }

   145     const QVGPainterState *state() const { return static_cast<const QVGPainterState *>(QPaintEngineEx::state()); }

   146 

   147     void beginNativePainting();

   148     void endNativePainting();

   149 

   150     QPixmapFilter *pixmapFilter(int type, const QPixmapFilter *prototype);

   151 

   152     QVGPaintEnginePrivate *vgPrivate() { Q_D(QVGPaintEngine); return d; }

   153 

   154 protected:

   155     QVGPaintEngine(QVGPaintEnginePrivate &data);

   156 

   157 private:

   158     void restoreState(QPaintEngine::DirtyFlags dirty);

   159     void updateScissor();

   160     QRegion defaultClipRegion();

   161     bool isDefaultClipRegion(const QRegion& region);

   162     bool isDefaultClipRect(const QRect& rect);

   163     bool clearRect(const QRectF &rect, const QColor &color);

   164 };

   165 

   166 

   167 QT_END_NAMESPACE

   168 

   169 #endif