tdesktop/Telegram/SourceFiles/media/view/media_view_overlay_raster.cpp

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "media/view/media_view_overlay_raster.h"
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#include "ui/painter.h"
#include "media/stories/media_stories_view.h"
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#include "media/view/media_view_pip.h"
#include "platform/platform_overlay_widget.h"
#include "styles/style_media_view.h"
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namespace Media::View {
OverlayWidget::RendererSW::RendererSW(not_null<OverlayWidget*> owner)
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: _owner(owner)
, _transparentBrush(style::TransparentPlaceholder()) {
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}
void OverlayWidget::RendererSW::paintFallback(
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Painter &&p,
const QRegion &clip,
Ui::GL::Backend backend) {
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_p = &p;
_clip = &clip;
_clipOuter = clip.boundingRect();
_owner->paint(this);
_p = nullptr;
_clip = nullptr;
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}
void OverlayWidget::RendererSW::paintBackground() {
const auto region = _owner->opaqueContentShown()
? (*_clip - _owner->finalContentRect())
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: *_clip;
const auto m = _p->compositionMode();
_p->setCompositionMode(QPainter::CompositionMode_Source);
const auto &bg = _owner->_fullScreenVideo
? st::mediaviewVideoBg
: st::mediaviewBg;
for (const auto &rect : region) {
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_p->fillRect(rect, bg);
}
if (const auto notch = _owner->topNotchSkip()) {
const auto top = QRect(0, 0, _owner->width(), notch);
if (const auto black = top.intersected(_clipOuter); !black.isEmpty()) {
_p->fillRect(black, Qt::black);
}
}
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_p->setCompositionMode(m);
}
QRect OverlayWidget::RendererSW::TransformRect(
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QRectF geometry,
int rotation) {
const auto center = geometry.center();
const auto rect = ((rotation % 180) == 90)
? QRectF(
center.x() - geometry.height() / 2.,
center.y() - geometry.width() / 2.,
geometry.height(),
geometry.width())
: geometry;
return QRect(
int(rect.x()),
int(rect.y()),
int(rect.width()),
int(rect.height()));
}
void OverlayWidget::RendererSW::paintTransformedVideoFrame(
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ContentGeometry geometry) {
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Expects(_owner->_streamed != nullptr);
const auto rotation = int(geometry.rotation);
const auto rect = TransformRect(geometry.rect, rotation);
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if (!rect.intersects(_clipOuter)) {
return;
}
paintTransformedImage(_owner->videoFrame(), rect, rotation);
paintControlsFade(rect, geometry);
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}
void OverlayWidget::RendererSW::paintTransformedStaticContent(
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const QImage &image,
ContentGeometry geometry,
bool semiTransparent,
bool fillTransparentBackground,
int index) {
const auto rotation = int(geometry.rotation);
const auto rect = TransformRect(geometry.rect, rotation);
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if (!rect.intersects(_clipOuter)) {
return;
}
if (fillTransparentBackground) {
_p->fillRect(rect, _transparentBrush);
}
if (!image.isNull()) {
paintTransformedImage(image, rect, rotation);
}
paintControlsFade(rect, geometry);
}
void OverlayWidget::RendererSW::paintControlsFade(
QRect content,
const ContentGeometry &geometry) {
auto opacity = geometry.controlsOpacity;
if (geometry.fade > 0.) {
_p->setOpacity(geometry.fade);
_p->fillRect(content, Qt::black);
opacity *= 1. - geometry.fade;
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}
_p->setOpacity(opacity);
_p->setClipRect(content);
const auto width = _owner->width();
const auto stories = (_owner->_stories != nullptr);
if (!stories || geometry.topShadowShown) {
const auto flip = !stories && !_owner->topShadowOnTheRight();
const auto &top = stories
? st::storiesShadowTop
: st::mediaviewShadowTop;
const auto topShadow = stories
? QRect(
content.topLeft(),
QSize(content.width(), top.height()))
: QRect(
QPoint(flip ? 0 : (width - top.width()), 0),
top.size());
if (topShadow.intersected(content).intersects(_clipOuter)) {
if (stories) {
top.fill(*_p, topShadow);
} else if (flip) {
if (_topShadowCache.isNull()
|| _topShadowColor != st::windowShadowFg->c) {
_topShadowColor = st::windowShadowFg->c;
_topShadowCache = top.instance(
_topShadowColor).mirrored(true, false);
}
_p->drawImage(0, 0, _topShadowCache);
} else {
top.paint(*_p, topShadow.topLeft(), width);
}
}
}
const auto &bottom = stories
? st::storiesShadowBottom
: st::mediaviewShadowBottom;
const auto bottomStart = _owner->height() - geometry.bottomShadowSkip;
const auto bottomShadow = QRect(
QPoint(0, bottomStart - bottom.height()),
QSize(width, bottom.height()));
if (bottomShadow.intersected(content).intersects(_clipOuter)) {
bottom.fill(*_p, bottomShadow);
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}
_p->setClipping(false);
_p->setOpacity(1.);
if (bottomStart < content.y() + content.height()) {
_p->fillRect(
content.x(),
bottomStart,
content.width(),
content.y() + content.height() - bottomStart,
QColor(0, 0, 0, 88));
}
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}
void OverlayWidget::RendererSW::paintTransformedImage(
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const QImage &image,
QRect rect,
int rotation) {
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PainterHighQualityEnabler hq(*_p);
if (UsePainterRotation(rotation)) {
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if (rotation) {
_p->save();
_p->rotate(rotation);
}
_p->drawImage(RotatedRect(rect, rotation), image);
if (rotation) {
_p->restore();
}
} else {
_p->drawImage(rect, _owner->transformShownContent(image, rotation));
}
}
void OverlayWidget::RendererSW::paintRadialLoading(
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QRect inner,
bool radial,
float64 radialOpacity) {
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_owner->paintRadialLoadingContent(*_p, inner, radial, radialOpacity);
}
void OverlayWidget::RendererSW::paintThemePreview(QRect outer) {
_owner->paintThemePreviewContent(*_p, outer, _clipOuter);
}
void OverlayWidget::RendererSW::paintDocumentBubble(
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QRect outer,
QRect icon) {
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if (outer.intersects(_clipOuter)) {
_owner->paintDocumentBubbleContent(*_p, outer, icon, _clipOuter);
if (icon.intersects(_clipOuter)) {
_owner->paintRadialLoading(this);
}
}
}
void OverlayWidget::RendererSW::paintSaveMsg(QRect outer) {
if (outer.intersects(_clipOuter)) {
_owner->paintSaveMsgContent(*_p, outer, _clipOuter);
}
}
void OverlayWidget::RendererSW::paintControlsStart() {
}
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void OverlayWidget::RendererSW::paintControl(
Over control,
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QRect over,
float64 overOpacity,
QRect inner,
float64 innerOpacity,
const style::icon &icon) {
if (!over.isEmpty() && !over.intersects(_clipOuter)) {
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return;
}
if (!over.isEmpty() && overOpacity > 0) {
if (_overControlImage.isNull()) {
validateOverControlImage();
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}
_p->setOpacity(overOpacity);
_p->drawImage(over.topLeft(), _overControlImage);
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}
if (inner.intersects(_clipOuter)) {
_p->setOpacity(innerOpacity);
icon.paintInCenter(*_p, inner);
}
}
void OverlayWidget::RendererSW::paintFooter(QRect outer, float64 opacity) {
if (outer.intersects(_clipOuter)) {
_owner->paintFooterContent(*_p, outer, _clipOuter, opacity);
}
}
void OverlayWidget::RendererSW::paintCaption(QRect outer, float64 opacity) {
if (outer.intersects(_clipOuter)) {
_owner->paintCaptionContent(*_p, outer, _clipOuter, opacity);
}
}
void OverlayWidget::RendererSW::paintGroupThumbs(
QRect outer,
float64 opacity) {
if (outer.intersects(_clipOuter)) {
_owner->paintGroupThumbsContent(*_p, outer, _clipOuter, opacity);
}
}
void OverlayWidget::RendererSW::paintRoundedCorners(int radius) {
// The RpWindow rounding overlay will do the job.
}
void OverlayWidget::RendererSW::paintStoriesSiblingPart(
int index,
const QImage &image,
QRect rect,
float64 opacity) {
const auto changeOpacity = (opacity != 1.);
if (changeOpacity) {
_p->setOpacity(opacity);
}
_p->drawImage(rect, image);
if (changeOpacity) {
_p->setOpacity(1.);
}
}
void OverlayWidget::RendererSW::validateOverControlImage() {
const auto size = QSize(st::mediaviewIconOver, st::mediaviewIconOver);
const auto alpha = base::SafeRound(kOverBackgroundOpacity * 255);
_overControlImage = QImage(
size * style::DevicePixelRatio(),
QImage::Format_ARGB32_Premultiplied);
_overControlImage.setDevicePixelRatio(style::DevicePixelRatio());
_overControlImage.fill(Qt::transparent);
Painter p(&_overControlImage);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
auto color = OverBackgroundColor();
color.setAlpha(alpha);
p.setBrush(color);
p.drawEllipse(QRect(QPoint(), size));
}
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} // namespace Media::View