I haven't found how to edit the previous post in the forum. Here a MWE example that auto-generates the image:
#include <QtWidgets>
int main(int argc, char *argv[]) {
unsigned int w = 7589;
unsigned int h = 5537;
for(unsigned int j = 0; j < h; j++)
{
for(unsigned int i = 0; i < w; i++)
{
QRgb rgb = qRgb(i%255,j%255,(i+j)%255);
image.setPixel(i, j, rgb);
}
}
item->setTransformationMode(Qt::FastTransformation);
scene->addItem(item);
view->rotate(-35);
view->scale(14.2318,14.2318);
view->show();
return a.exec();
}
#include <QtWidgets>
int main(int argc, char *argv[]) {
QApplication a(argc, argv);
unsigned int w = 7589;
unsigned int h = 5537;
QImage image(w, h, QImage::Format_ARGB32);
for(unsigned int j = 0; j < h; j++)
{
for(unsigned int i = 0; i < w; i++)
{
QRgb rgb = qRgb(i%255,j%255,(i+j)%255);
image.setPixel(i, j, rgb);
}
}
QPixmap imagepm = QPixmap::fromImage(image);
QGraphicsPixmapItem* item = new QGraphicsPixmapItem(imagepm);
item->setTransformationMode(Qt::FastTransformation);
QGraphicsScene* scene = new QGraphicsScene;
scene->addItem(item);
QGraphicsView* view = new QGraphicsView(scene);
view->rotate(-35);
view->scale(14.2318,14.2318);
view->show();
return a.exec();
}
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