tdesktop/Telegram/SourceFiles/editor/scene/scene_item_image.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 "editor/scene/scene_item_image.h"
namespace Editor {
ItemImage::ItemImage(
const QPixmap &&pixmap,
ItemBase::Data data)
: ItemBase(std::move(data))
, _pixmap(std::move(pixmap)) {
setAspectRatio(_pixmap.isNull()
? 1.0
: (_pixmap.height() / float64(_pixmap.width())));
}
void ItemImage::paint(
QPainter *p,
const QStyleOptionGraphicsItem *option,
QWidget *w) {
const auto rect = contentRect();
const auto pixmapSize = QSizeF(_pixmap.size() / style::DevicePixelRatio())
.scaled(rect.size(), Qt::KeepAspectRatio);
const auto resultRect = QRectF(rect.topLeft(), pixmapSize).translated(
(rect.width() - pixmapSize.width()) / 2.,
(rect.height() - pixmapSize.height()) / 2.);
p->drawPixmap(resultRect.toRect(), _pixmap);
ItemBase::paint(p, option, w);
}
void ItemImage::performFlip() {
_pixmap = _pixmap.transformed(QTransform().scale(-1, 1));
update();
}
std::shared_ptr<ItemBase> ItemImage::duplicate(ItemBase::Data data) const {
auto pixmap = _pixmap;
return std::make_shared<ItemImage>(std::move(pixmap), std::move(data));
}
} // namespace Editor