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Code Issues Releases Wiki Activity

Allow arbitrary QImage as outgoing bubbles background.

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This commit is contained in:
John Preston
2021-08-19 17:22:12 +03:00
parent 1cc9a52461
commit f4fdadd3b0
21 changed files with 677 additions and 232 deletions
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43
Telegram/SourceFiles/window/section_widget.cpp
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@@ -106,13 +106,12 @@ void SectionWidget::PaintBackground(
Painter p(widget);
const auto background = Window::Theme::Background();
const auto fullHeight = controller->content()->height();
if (const auto color = background->colorForFill()) {
p.fillRect(clip, *color);
return;
}
const auto gradient = background->gradientForFill();
const auto fill = QSize(widget->width(), fullHeight);
const auto fill = QSize(widget->width(), controller->content()->height());
auto fromy = controller->content()->backgroundFromY();
auto state = controller->backgroundState(fill);
const auto paintCache = [&](const CachedBackground &cache) {
@@ -150,7 +149,26 @@ void SectionWidget::PaintBackground(
return;
}
const auto &prepared = background->prepared();
if (!prepared.isNull() && !background->tile()) {
if (prepared.isNull()) {
return;
} else if (background->tile()) {
const auto &tiled = background->preparedForTiled();
const auto left = clip.left();
const auto top = clip.top();
const auto right = clip.left() + clip.width();
const auto bottom = clip.top() + clip.height();
const auto w = tiled.width() / cRetinaFactor();
const auto h = tiled.height() / cRetinaFactor();
const auto sx = qFloor(left / w);
const auto sy = qFloor((top - fromy) / h);
const auto cx = qCeil(right / w);
const auto cy = qCeil((bottom - fromy) / h);
for (auto i = sx; i < cx; ++i) {
for (auto j = sy; j < cy; ++j) {
p.drawImage(QPointF(i * w, fromy + j * h), tiled);
}
}
} else {
const auto hq = PainterHighQualityEnabler(p);
const auto rects = Window::Theme::ComputeBackgroundRects(
fill,
@@ -158,25 +176,6 @@ void SectionWidget::PaintBackground(
auto to = rects.to;
to.moveTop(to.top() + fromy);
p.drawImage(to, prepared, rects.from);
return;
}
if (!prepared.isNull()) {
const auto &tiled = background->preparedForTiled();
auto left = clip.left();
auto top = clip.top();
auto right = clip.left() + clip.width();
auto bottom = clip.top() + clip.height();
auto w = tiled.width() / cRetinaFactor();
auto h = tiled.height() / cRetinaFactor();
auto sx = qFloor(left / w);
auto sy = qFloor((top - fromy) / h);
auto cx = qCeil(right / w);
auto cy = qCeil((bottom - fromy) / h);
for (auto i = sx; i < cx; ++i) {
for (auto j = sy; j < cy; ++j) {
p.drawImage(QPointF(i * w, fromy + j * h), tiled);
}
}
}
}