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Max-Wilhelm Bruker 2009-03-13 22:50:41 +01:00
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cockatrice/src/gameview.cpp Normal file
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#include "gameview.h"
GameView::GameView(QGraphicsScene *scene, QWidget *parent)
: QGraphicsView(scene, parent)
{
setBackgroundBrush(QBrush(QColor(0, 0, 0)));
setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
setOptimizationFlags(/*DontClipPainter | */DontSavePainterState);
setDragMode(RubberBandDrag);
}
void GameView::scaleToScene()
{
// This function ensures that the bounding rectangles of card pictures
// have integer sizes. This is achieved by using a scale factor of n / 6.
QRectF sr = scene()->sceneRect();
QRectF vr = QRectF(viewport()->rect().adjusted(2, 2, -2, -2));
qreal scale_h = vr.width() / sr.width();
qreal scale_v = vr.height() / sr.height();
qreal scale_total = qMin(scale_h, scale_v);
qreal scale_corr = (qreal) ((int) (scale_total * 6)) / 6;
qDebug(QString("scale_corr = %1 / 6").arg(scale_corr * 6).toLatin1());
setTransform(QTransform().scale(scale_corr, scale_corr));
}
void GameView::resizeEvent(QResizeEvent *event)
{
qDebug("GameView: resizeEvent");
QGraphicsView::resizeEvent(event);
scaleToScene();
}