examples/qws/svgalib/svgalibsurface.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
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     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
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     7 ** This file is part of the examples of the Qt Toolkit.
       
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     9 ** $QT_BEGIN_LICENSE:LGPL$
       
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    29 ** Nokia at qt-info@nokia.com.
       
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    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "svgalibsurface.h"
       
    43 #include "svgalibpaintdevice.h"
       
    44 
       
    45 #include <vgagl.h>
       
    46 
       
    47 SvgalibSurface::SvgalibSurface() : QWSWindowSurface(), pdevice(0)
       
    48 {
       
    49     setSurfaceFlags(Opaque);
       
    50 }
       
    51 
       
    52 SvgalibSurface::SvgalibSurface(QWidget *w)
       
    53     : QWSWindowSurface(w)
       
    54 {
       
    55     setSurfaceFlags(Opaque);
       
    56     pdevice = new SvgalibPaintDevice(w);
       
    57 }
       
    58 
       
    59 SvgalibSurface::~SvgalibSurface()
       
    60 {
       
    61     delete pdevice;
       
    62 }
       
    63 
       
    64 void SvgalibSurface::setGeometry(const QRect &rect)
       
    65 {
       
    66     QWSWindowSurface::setGeometry(rect);
       
    67 }
       
    68 
       
    69 QPoint SvgalibSurface::painterOffset() const
       
    70 {
       
    71     return geometry().topLeft() + QWSWindowSurface::painterOffset();
       
    72 }
       
    73 
       
    74 //! [0]
       
    75 bool SvgalibSurface::scroll(const QRegion &region, int dx, int dy)
       
    76 {
       
    77     const QVector<QRect> rects = region.rects();
       
    78     for (int i = 0; i < rects.size(); ++i) {
       
    79         const QRect r = rects.at(i);
       
    80         gl_copybox(r.left(), r.top(), r.width(), r.height(),
       
    81                    r.left() + dx, r.top() + dy);
       
    82     }
       
    83 
       
    84     return true;
       
    85 }
       
    86 //! [0]
       
    87