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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(
+	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