QImage mutableSquareImageContainer::scaledImage() const {
QHash<triC, QImage> colorSquares;
const QVector<triC>& squareColors = colors();
const int curDimension = scaledDimension();
const grid baseImage(image(), originalDimension_);
QImage squareImage(curDimension, curDimension, QImage::Format_RGB32);
for (int i = 0, size = squareColors.size(); i < size; ++i) {
const triC& thisImageColor = squareColors[i];
squareImage.fill(thisImageColor.qrgb());
colorSquares[thisImageColor] = squareImage;
}
QImage returnImage(scaledSize(), QImage::Format_RGB32);
QPainter painter(&returnImage);
for (int yBox = 0; yBox < heightSquareCount_; ++yBox) {
for (int xBox = 0; xBox < widthSquareCount_; ++xBox) {
const triC& thisSquareColor =
baseImage(xBox*originalDimension_, yBox*originalDimension_);
painter.drawImage(QPoint(xBox*curDimension, yBox*curDimension),
colorSquares[thisSquareColor]);
}
}
return returnImage;
}
Widget::Widget(QWidget *parent)
: QWidget(parent)
{
QImage baseImage("D:/TobyYi/yibansvn/github-project/OrderManager/QuickViewTest/logo_72.png");
QImage overlayLogoff("D:/TobyYi/yibansvn/ReleaseVerYibanPC/YibanClient/image/skin/tab_btn_close_hover.png");
imgLb = new QLabel(this);
QImage logoffImage = createImageWithOverlay(baseImage, overlayLogoff);
imgLb->setScaledContents(true);
imgLb->setPixmap(QPixmap::fromImage(logoffImage));
imgLb->show();
logoffImage.save("xx.png");
}
QImage QWindowCompositor::makeBackgroundImage(const QString &fileName)
{
Q_ASSERT(m_window);
int width = m_window->width();
int height = m_window->height();
QImage baseImage(fileName);
QImage patternedBackground(width, height, baseImage.format());
QPainter painter(&patternedBackground);
QSize imageSize = baseImage.size();
for (int y = 0; y < height; y += imageSize.height()) {
for (int x = 0; x < width; x += imageSize.width()) {
painter.drawImage(x, y, baseImage);
}
}
return patternedBackground;
}
