const QPixmap &AnimatedGif::current(int32 width, int32 height, bool rounded) {
if (!width) width = w;
if (!height) height = h;
if ((frames[frame].isNull() || frames[frame].width() != width || frames[frame].height() != height) && !images[frame].isNull()) {
QImage img = images[frame];
if (img.width() != width || img.height() != height) img = img.scaled(width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
if (rounded) imageRound(img);
frames[frame] = QPixmap::fromImage(img, Qt::ColorOnly);
frames[frame].setDevicePixelRatio(cRetinaFactor());
}
return frames[frame];
}
void BackgroundRow::updateImage() {
int32 size = st::settingsBackgroundSize * cIntRetinaFactor();
QImage back(size, size, QImage::Format_ARGB32_Premultiplied);
back.setDevicePixelRatio(cRetinaFactor());
{
QPainter p(&back);
auto &pix = Window::chatBackground()->image();
int sx = (pix.width() > pix.height()) ? ((pix.width() - pix.height()) / 2) : 0;
int sy = (pix.height() > pix.width()) ? ((pix.height() - pix.width()) / 2) : 0;
int s = (pix.width() > pix.height()) ? pix.height() : pix.width();
p.setRenderHint(QPainter::SmoothPixmapTransform);
p.drawPixmap(0, 0, st::settingsBackgroundSize, st::settingsBackgroundSize, pix, sx, sy, s, s);
}
imageRound(back, ImageRoundRadius::Small);
_background = App::pixmapFromImageInPlace(std_::move(back));
_background.setDevicePixelRatio(cRetinaFactor());
rtlupdate(radialRect());
if (radialLoading()) {
radialStart();
}
}