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Support reaction button with gradient bubbles.

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This commit is contained in:
John Preston 2021-12-18 14:02:36 +00:00
parent 68d45a2c08
commit 51e96bf074
2 changed files with 83 additions and 6 deletions
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72
Telegram/SourceFiles/history/view/history_view_reactions.cpp
View file

@ -51,6 +51,26 @@ constexpr auto kCacheColumsCount = 3;
return CountMaxSizeWithMargins(st::reactionCornerShadow);
}
void CopyImagePart(QImage &to, const QImage &from, QRect source) {
Expects(to.size() == source.size());
Expects(QRect(QPoint(), from.size()).contains(source));
Expects(to.format() == from.format());
Expects(to.bytesPerLine() == to.width() * 4);
const auto perPixel = 4;
const auto fromPerLine = from.bytesPerLine();
const auto toPerLine = to.bytesPerLine();
auto toBytes = reinterpret_cast<char*>(to.bits());
auto fromBytes = reinterpret_cast<const char*>(from.bits())
+ (source.y() * fromPerLine)
+ (source.x() * perPixel);
for (auto y = 0, height = source.height(); y != height; ++y) {
memcpy(toBytes, fromBytes, toPerLine);
toBytes += toPerLine;
fromBytes += fromPerLine;
}
}
} // namespace
InlineList::InlineList(Data &&data)
@ -399,6 +419,10 @@ Manager::Manager(QWidget *selectorParent, Fn<void(QRect)> buttonUpdate)
QImage::Format_ARGB32_Premultiplied);
_cacheParts.setDevicePixelRatio(ratio);
_cacheParts.fill(Qt::transparent);
_cacheForPattern = QImage(
_outer * ratio,
QImage::Format_ARGB32_Premultiplied);
_cacheForPattern.setDevicePixelRatio(ratio);
_shadowBuffer = QImage(
_outer * ratio,
QImage::Format_ARGB32_Premultiplied);
@ -556,7 +580,11 @@ void Manager::paintButton(
position,
_cacheParts,
validateShadow(frameIndex, scale, shadow));
// #TODO reactions
validateCacheForPattern(frameIndex, scale, geometry, context);
p.drawImage(geometry, _cacheForPattern);
p.drawImage(position, _cacheParts, validateEmoji(frameIndex, scale));
} else {
const auto &stm = context.st->messageStyle(outbg, false);
const auto background = stm.msgBg->c;
@ -573,6 +601,24 @@ void Manager::paintButton(
}
}
void Manager::validateCacheForPattern(
int frameIndex,
float64 scale,
const QRect &geometry,
const PaintContext &context) {
CopyImagePart(
_cacheForPattern,
_cacheParts,
validateMask(frameIndex, scale));
auto q = QPainter(&_cacheForPattern);
q.setCompositionMode(QPainter::CompositionMode_SourceIn);
Ui::PaintPatternBubblePart(
q,
context.viewport.translated(-geometry.topLeft()),
context.bubblesPattern->pixmap,
QRect(QPoint(), _outer));
}
void Manager::applyPatternedShadow(const QColor &shadow) {
if (_shadow == shadow) {
return;
@ -702,6 +748,30 @@ QRect Manager::validateFrame(
return result;
}
QRect Manager::validateMask(int frameIndex, float64 scale) {
const auto result = cacheRect(frameIndex, kMaskCacheIndex);
if (_validMask[frameIndex]) {
return result;
}
auto p = QPainter(&_cacheParts);
auto hq = PainterHighQualityEnabler(p);
const auto position = result.topLeft() / style::DevicePixelRatio();
const auto inner = _inner.translated(position);
const auto radius = inner.height() / 2;
const auto center = inner.center();
p.setPen(Qt::NoPen);
p.setBrush(Qt::white);
p.save();
p.translate(center);
p.scale(scale, scale);
p.translate(-center);
p.drawRoundedRect(inner, radius, radius);
_validMask[frameIndex] = true;
return result;
}
void Manager::showSelector(Fn<QPoint(QPoint)> mapToGlobal) {
if (!_button) {
showSelector({}, {});

17
Telegram/SourceFiles/history/view/history_view_reactions.h
View file

@ -206,6 +206,12 @@ private:
float64 scale,
const QColor &background,
const QColor &shadow);
QRect validateMask(int frameIndex, float64 scale);
void validateCacheForPattern(
int frameIndex,
float64 scale,
const QRect &geometry,
const PaintContext &context);
rpl::event_stream<Chosen> _chosen;
std::vector<Data::Reaction> _list;
@ -214,12 +220,13 @@ private:
QRect _innerActive;
QImage _cacheInOut;
QImage _cacheParts;
QImage _cacheForPattern;
QImage _shadowBuffer;
std::array<bool, kFramesCount> _validIn;
std::array<bool, kFramesCount> _validOut;
std::array<bool, kFramesCount> _validShadow;
std::array<bool, kFramesCount> _validEmoji;
std::array<bool, kFramesCount> _validMask;
std::array<bool, kFramesCount> _validIn = { { false } };
std::array<bool, kFramesCount> _validOut = { { false } };
std::array<bool, kFramesCount> _validShadow = { { false } };
std::array<bool, kFramesCount> _validEmoji = { { false } };
std::array<bool, kFramesCount> _validMask = { { false } };
QColor _backgroundIn;
QColor _backgroundOut;
QColor _shadow;