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Code Issues Releases Wiki Activity

Start support of linear gradient wallpapers.

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This commit is contained in:
John Preston
2021-08-12 17:51:44 +03:00
parent 1fd28d5cfb
commit c2b1187948
14 changed files with 379 additions and 227 deletions
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56
Telegram/SourceFiles/settings/settings_chat.cpp
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@@ -551,41 +551,39 @@ void BackgroundRow::radialAnimationCallback(crl::time now) {
}
void BackgroundRow::updateImage() {
int32 size = st::settingsBackgroundThumb * cIntRetinaFactor();
QImage back(size, size, QImage::Format_ARGB32_Premultiplied);
const auto size = st::settingsBackgroundThumb;
const auto fullsize = size * cIntRetinaFactor();
QImage back(fullsize, fullsize, QImage::Format_ARGB32_Premultiplied);
back.setDevicePixelRatio(cRetinaFactor());
{
Painter p(&back);
PainterHighQualityEnabler hq(p);
if (const auto color = Window::Theme::Background()->colorForFill()) {
p.fillRect(
0,
0,
st::settingsBackgroundThumb,
st::settingsBackgroundThumb,
*color);
const auto background = Window::Theme::Background();
if (const auto color = background->colorForFill()) {
p.fillRect(0, 0, size, size, *color);
} else {
const auto &pix = Window::Theme::Background()->pixmap();
const auto sx = (pix.width() > pix.height())
? ((pix.width() - pix.height()) / 2)
: 0;
const auto sy = (pix.height() > pix.width())
? ((pix.height() - pix.width()) / 2)
: 0;
const auto s = (pix.width() > pix.height())
? pix.height()
: pix.width();
p.drawPixmap(
0,
0,
st::settingsBackgroundThumb,
st::settingsBackgroundThumb,
pix,
sx,
sy,
s,
s);
const auto gradient = background->gradientForFill();
const auto patternOpacity = background->paper().patternOpacity();
if (!gradient.isNull()) {
auto hq = PainterHighQualityEnabler(p);
p.drawImage(QRect(0, 0, size, size), gradient);
p.setCompositionMode(QPainter::CompositionMode_SoftLight);
p.setOpacity(patternOpacity);
}
const auto &pix = background->pixmap();
if (!pix.isNull()) {
const auto sx = (pix.width() > pix.height())
? ((pix.width() - pix.height()) / 2)
: 0;
const auto sy = (pix.height() > pix.width())
? ((pix.height() - pix.width()) / 2)
: 0;
const auto s = (pix.width() > pix.height())
? pix.height()
: pix.width();
p.drawPixmap(0, 0, size, size, pix, sx, sy, s, s);
}
}
}
Images::prepareRound(back, ImageRoundRadius::Small);