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