83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "info/userpic/info_userpic_bubble_wrap.h"
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#include "ui/painter.h"
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#include "ui/rect.h"
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#include "ui/wrap/padding_wrap.h"
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#include "ui/wrap/vertical_layout.h"
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#include "styles/style_chat.h"
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#include "styles/style_info_userpic_builder.h"
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namespace Ui {
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namespace {
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void PaintExcludeTopShadow(QPainter &p, int radius, const QRect &r) {
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constexpr auto kHorizontalOffset = 1;
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constexpr auto kVerticalOffset = 2;
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const auto opacity = p.opacity();
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p.setOpacity(opacity * 0.2);
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p.drawRoundedRect(
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r + QMargins(kHorizontalOffset, -radius, kHorizontalOffset, 0),
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radius,
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radius);
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p.setOpacity(opacity * 0.2);
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p.drawRoundedRect(
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r + QMargins(0, 0, 0, kVerticalOffset),
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radius,
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radius);
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p.setOpacity(opacity * 0.4);
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p.drawRoundedRect(
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r + QMargins(0, 0, 0, kVerticalOffset / 2),
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radius,
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radius);
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p.setOpacity(opacity);
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}
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} // namespace
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QRect BubbleWrapInnerRect(const QRect &r) {
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return r - st::userpicBuilderEmojiBubblePadding;
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}
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not_null<Ui::RpWidget*> AddBubbleWrap(
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not_null<Ui::VerticalLayout*> container,
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const QSize &size) {
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const auto bubble = container->add(object_ptr<Ui::CenterWrap<RpWidget>>(
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container,
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object_ptr<Ui::RpWidget>(container)))->entity();
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bubble->resize(size);
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auto cached = QImage(
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size * style::DevicePixelRatio(),
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QImage::Format_ARGB32_Premultiplied);
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cached.setDevicePixelRatio(style::DevicePixelRatio());
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cached.fill(Qt::transparent);
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{
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auto p = QPainter(&cached);
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const auto innerRect = BubbleWrapInnerRect(bubble->rect());
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auto hq = PainterHighQualityEnabler(p);
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const auto radius = st::bubbleRadiusSmall;
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p.setPen(Qt::NoPen);
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p.setBrush(st::shadowFg);
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PaintExcludeTopShadow(p, radius, innerRect);
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p.setBrush(st::boxBg);
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p.drawRoundedRect(innerRect, radius, radius);
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}
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bubble->paintRequest(
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) | rpl::start_with_next([bubble, cached = std::move(cached)] {
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auto p = QPainter(bubble);
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p.drawImage(0, 0, cached);
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}, bubble->lifetime());
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return bubble;
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}
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} // namespace Ui
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