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Viewing changes to words/part/KWPage.cpp

  • Committer: Package Import Robot
  • Author(s): Jonathan Riddell
  • Date: 2012-07-16 10:51:29 UTC
  • mfrom: (1.1.8)
  • Revision ID: package-import@ubuntu.com-20120716105129-es1ebubwiwlsfvv0
Tags: 1:2.4.92-0ubuntu1
New upstream RC release

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Lines of Context:
words/part/KWPage.cpp
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QImage KWPage::thumbnail(const QSize &size, KoShapeManager *shapeManager)
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{
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    KoZoomHandler zoomHandler;
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    qreal zoom = size.width() / (zoomHandler.resolutionX() * width());
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    zoom = qMin(zoom, size.height() / (zoomHandler.resolutionY() * height()));
 
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    const qreal realWidth = zoomHandler.resolutionX() * width();
 
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    const qreal realHeight = zoomHandler.resolutionX() * height();
 
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    const qreal widthScale = size.width() / realWidth;
 
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    const qreal heightScale = size.height() / realHeight;
 
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    const qreal zoom = (widthScale > heightScale) ? heightScale : widthScale;
 
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    // adapt thumbnailSize to match the rendered page
 
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    QSize thumbnailSize(size);
 
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    if (widthScale > heightScale) {
 
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        const int thumbnailWidth = qMin(thumbnailSize.width(), qRound(realWidth*heightScale));
 
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        thumbnailSize.setWidth(thumbnailWidth);
 
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    } else {
 
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        const int thumbnailHeight = qMin(thumbnailSize.height(), qRound(realHeight*widthScale));
 
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        thumbnailSize.setHeight(thumbnailHeight);
 
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    }
 
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    zoomHandler.setZoom(zoom);
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    foreach(KoShape* shape, shapeManager->shapes()) {
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        shape->waitUntilReady(zoomHandler, false);
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    }
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    QImage img(size, QImage::Format_ARGB32);
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    QImage img(thumbnailSize, QImage::Format_ARGB32);
 
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    // paint white as default page background
 
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    img.fill(QColor(Qt::white).rgb());
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    QPainter gc(&img);
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    gc.fillRect(0, 0, img.width(), img.height(), QBrush(Qt::white));
 
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    gc.setRenderHint(QPainter::Antialiasing, true);
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    gc.translate(0, -zoomHandler.documentToViewY(offsetInDocument()));
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    gc.setClipRect(zoomHandler.documentToView(rect()));
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    shapeManager->paint(gc, zoomHandler, false);