void QAlphaPaintEnginePrivate::drawAlphaImage(const QRectF &rect)
{
Q_Q(QAlphaPaintEngine);
qreal dpiX = qMax(m_pdev->logicalDpiX(), 300);
qreal dpiY = qMax(m_pdev->logicalDpiY(), 300);
qreal xscale = (dpiX / m_pdev->logicalDpiX());
qreal yscale = (dpiY / m_pdev->logicalDpiY());
QTransform picscale;
picscale.scale(xscale, yscale);
const int tileSize = 2048;
QSize size((int(rect.width() * xscale)), int(rect.height() * yscale));
int divw = (size.width() / tileSize);
int divh = (size.height() / tileSize);
divw += 1;
divh += 1;
int incx = int(rect.width() / divw);
int incy = int(rect.height() / divh);
for (int y=0; y<divh; ++y) {
int ypos = int((incy * y) + rect.y());
int height = int((y == (divh - 1)) ? (rect.height() - (incy * y)) : incy) + 1;
for (int x=0; x<divw; ++x) {
int xpos = int((incx * x) + rect.x());
int width = int((x == (divw - 1)) ? (rect.width() - (incx * x)) : incx) + 1;
QSize imgsize((int)(width * xscale), (int)(height * yscale));
QImage img(imgsize, QImage::Format_RGB32);
img.fill(0xffffffff);
QPainter imgpainter(&img);
imgpainter.setTransform(picscale);
QPointF picpos(qreal(-xpos), qreal(-ypos));
imgpainter.drawPicture(picpos, *m_pic);
imgpainter.end();
q->painter()->setTransform(QTransform());
QRect r(xpos, ypos, width, height);
q->painter()->drawImage(r, img);
}
}
}
int main(int argc,char *argv[])
{
QApplication a(argc,argv);
QDir dir;
QStringList filters;
filters<<"*.png"<<"*.PNG";
dir.setNameFilters(filters);
dir.setPath(".");
QFileInfoList list = dir.entryInfoList();
QFileInfo k;
QImage image(46,list.size()*46,QImage::Format_RGB32);
QPainter imgpainter(&image);
QImage bk(":/bk/bk.png");
bk=bk.scaled(46,46);
for(int i=0;i<list.size();++i){
QImage im;
k=list[i];
im.load(k.fileName());
QImage temp=im.scaled(40,40);
QImage paintDevice=bk;
QPainter painter(&paintDevice);
QPen pen;
pen.setColor(QColor("#a5a9d7"));
pen.setWidth(1);
painter.setPen(pen);
painter.drawRoundedRect(0,0,45,45,2,2);
painter.drawImage(3,3,temp);
painter.end();
qreal y=46.0*i;
imgpainter.save();
imgpainter.translate(0.0,y);
imgpainter.drawImage(0,0,paintDevice);
imgpainter.restore();
}
image.save("pattern.png","PNG");
QMessageBox::information(0,"Notify","Image Composed Complete");
exit(0);
return a.exec();
}