tdesktop/Telegram/SourceFiles/info/userpic/info_userpic_bubble_wrap.cpp

83 lines
2.2 KiB
C++

/*
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 "info/userpic/info_userpic_bubble_wrap.h"
#include "ui/painter.h"
#include "ui/rect.h"
#include "ui/wrap/padding_wrap.h"
#include "ui/wrap/vertical_layout.h"
#include "styles/style_chat.h"
#include "styles/style_info_userpic_builder.h"
namespace Ui {
namespace {
void PaintExcludeTopShadow(QPainter &p, int radius, const QRect &r) {
constexpr auto kHorizontalOffset = 1;
constexpr auto kVerticalOffset = 2;
const auto opacity = p.opacity();
p.setOpacity(opacity * 0.2);
p.drawRoundedRect(
r + QMargins(kHorizontalOffset, -radius, kHorizontalOffset, 0),
radius,
radius);
p.setOpacity(opacity * 0.2);
p.drawRoundedRect(
r + QMargins(0, 0, 0, kVerticalOffset),
radius,
radius);
p.setOpacity(opacity * 0.4);
p.drawRoundedRect(
r + QMargins(0, 0, 0, kVerticalOffset / 2),
radius,
radius);
p.setOpacity(opacity);
}
} // namespace
QRect BubbleWrapInnerRect(const QRect &r) {
return r - st::userpicBuilderEmojiBubblePadding;
}
not_null<Ui::RpWidget*> AddBubbleWrap(
not_null<Ui::VerticalLayout*> container,
const QSize &size) {
const auto bubble = container->add(object_ptr<Ui::CenterWrap<RpWidget>>(
container,
object_ptr<Ui::RpWidget>(container)))->entity();
bubble->resize(size);
auto cached = QImage(
size * style::DevicePixelRatio(),
QImage::Format_ARGB32_Premultiplied);
cached.setDevicePixelRatio(style::DevicePixelRatio());
cached.fill(Qt::transparent);
{
auto p = QPainter(&cached);
const auto innerRect = BubbleWrapInnerRect(bubble->rect());
auto hq = PainterHighQualityEnabler(p);
const auto radius = st::bubbleRadiusSmall;
p.setPen(Qt::NoPen);
p.setBrush(st::shadowFg);
PaintExcludeTopShadow(p, radius, innerRect);
p.setBrush(st::boxBg);
p.drawRoundedRect(innerRect, radius, radius);
}
bubble->paintRequest(
) | rpl::start_with_next([bubble, cached = std::move(cached)] {
auto p = QPainter(bubble);
p.drawImage(0, 0, cached);
}, bubble->lifetime());
return bubble;
}
} // namespace Ui