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Add bottom shadow to the incoming video.

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This commit is contained in:
John Preston 2020-08-14 12:48:10 +04:00
parent cb18c9a9b3
commit fbe02dbb8d
1 changed files with 35 additions and 0 deletions
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35
Telegram/SourceFiles/calls/calls_panel.cpp
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@ -606,6 +606,24 @@ void Panel::initLayout() {
}
void Panel::initBottomShadow() {
auto image = QImage(
QSize(1, st::callBottomShadowSize) * cIntRetinaFactor(),
QImage::Format_ARGB32_Premultiplied);
const auto colorFrom = uint32(0);
const auto colorTill = uint32(74);
const auto rows = image.height();
const auto step = (uint64(colorTill - colorFrom) << 32) / rows;
auto accumulated = uint64();
auto bytes = image.bits();
for (auto y = 0; y != rows; ++y) {
accumulated += step;
const auto color = (colorFrom + uint32(accumulated >> 32)) << 24;
for (auto x = 0; x != image.width(); ++x) {
*(reinterpret_cast<uint32*>(bytes) + x) = color;
}
bytes += image.bytesPerLine();
}
_bottomShadow = Images::PixmapFast(std::move(image));
}
void Panel::showControls() {
@ -826,6 +844,23 @@ void Panel::paint(QRect clip) {
auto hq = PainterHighQualityEnabler(p);
p.drawImage(incoming, frame);
}
const auto shadowArea = QRect(
0,
widget()->height() - st::callBottomShadowSize,
widget()->width(),
st::callBottomShadowSize);
const auto fill = shadowArea.intersected(incoming);
if (!fill.isEmpty()) {
const auto factor = cIntRetinaFactor();
p.drawPixmap(
fill,
_bottomShadow,
QRect(
0,
factor * (fill.y() - shadowArea.y()),
factor,
factor * fill.height()));
}
}
_call->videoIncoming()->markFrameShown();