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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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61
Telegram/SourceFiles/mainwidget.cpp
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@@ -781,24 +781,39 @@ bool MainWidget::selectingPeer() const {
}
void MainWidget::cacheBackground() {
if (Window::Theme::Background()->colorForFill()) {
const auto background = Window::Theme::Background();
if (background->colorForFill()) {
return;
} else if (Window::Theme::Background()->tile()) {
auto &bg = Window::Theme::Background()->pixmapForTiled();
auto result = QImage(_willCacheFor.width() * cIntRetinaFactor(), _willCacheFor.height() * cIntRetinaFactor(), QImage::Format_RGB32);
}
const auto gradient = background->gradientForFill();
const auto patternOpacity = background->paper().patternOpacity();
const auto &bg = background->pixmap();
if (background->tile() || bg.isNull()) {
auto result = gradient.isNull()
? QImage(
_willCacheFor.size() * cIntRetinaFactor(),
QImage::Format_ARGB32_Premultiplied)
: gradient.scaled(
_willCacheFor.size() * cIntRetinaFactor(),
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
result.setDevicePixelRatio(cRetinaFactor());
{
if (!bg.isNull()) {
QPainter p(&result);
auto w = bg.width() / cRetinaFactor();
auto h = bg.height() / cRetinaFactor();
if (!gradient.isNull()) {
p.setCompositionMode(QPainter::CompositionMode_SoftLight);
p.setOpacity(patternOpacity);
}
const auto &tiled = background->pixmapForTiled();
auto w = tiled.width() / cRetinaFactor();
auto h = tiled.height() / cRetinaFactor();
auto sx = 0;
auto sy = 0;
auto cx = qCeil(_willCacheFor.width() / w);
auto cy = qCeil(_willCacheFor.height() / h);
for (int i = sx; i < cx; ++i) {
for (int j = sy; j < cy; ++j) {
p.drawPixmap(QPointF(i * w, j * h), bg);
p.drawPixmap(QPointF(i * w, j * h), tiled);
}
}
}
@@ -806,18 +821,30 @@ void MainWidget::cacheBackground() {
_cachedY = 0;
_cachedBackground = Ui::PixmapFromImage(std::move(result));
} else {
auto &bg = Window::Theme::Background()->pixmap();
QRect to, from;
Window::Theme::ComputeBackgroundRects(_willCacheFor, bg.size(), to, from);
auto image = bg.toImage().copy(from).scaled(
to.width() * cIntRetinaFactor(),
to.height() * cIntRetinaFactor(),
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
auto result = gradient.isNull()
? std::move(image)
: gradient.scaled(
image.size(),
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
result.setDevicePixelRatio(cRetinaFactor());
if (!gradient.isNull()) {
QPainter p(&result);
p.setCompositionMode(QPainter::CompositionMode_SoftLight);
p.setOpacity(patternOpacity);
p.drawImage(QRect(QPoint(), to.size()), image);
}
image = QImage();
_cachedX = to.x();
_cachedY = to.y();
_cachedBackground = Ui::PixmapFromImage(
bg.toImage().copy(from).scaled(
to.width() * cIntRetinaFactor(),
to.height() * cIntRetinaFactor(),
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation));
_cachedBackground = Ui::PixmapFromImage(std::move(result));
_cachedBackground.setDevicePixelRatio(cRetinaFactor());
}
_cachedFor = _willCacheFor;