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https://github.com/AyuGram/AyuGramDesktop.git
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23rd
94 lines
2.1 KiB
C++
94 lines
2.1 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_line.h"
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#include <QGraphicsScene>
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#include <QtGui/QPainter>
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namespace Editor {
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ItemLine::ItemLine(QPixmap &&pixmap)
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: _pixmap(std::move(pixmap))
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, _rect(QPointF(), _pixmap.size() / float64(style::DevicePixelRatio())) {
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}
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QRectF ItemLine::boundingRect() const {
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return _rect;
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}
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void ItemLine::paint(
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QPainter *p,
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const QStyleOptionGraphicsItem *,
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QWidget *) {
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p->drawPixmap(0, 0, _pixmap);
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}
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const QPixmap &ItemLine::pixmap() const {
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return _pixmap;
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}
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void ItemLine::setPixmap(QPixmap pixmap) {
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_pixmap = std::move(pixmap);
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update();
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}
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bool ItemLine::applyEraser(const QPixmap &mask, const QPointF &maskPos) {
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if (mask.isNull()) {
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return false;
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}
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const auto maskSize = mask.size() / float64(mask.devicePixelRatio());
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const auto localTopLeft = maskPos - pos();
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const auto localRect = QRectF(localTopLeft, maskSize);
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if (!localRect.intersects(_rect)) {
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return false;
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}
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auto image = _pixmap.toImage().convertToFormat(
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QImage::Format_ARGB32_Premultiplied);
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auto p = QPainter(&image);
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p.setCompositionMode(QPainter::CompositionMode_DestinationOut);
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p.drawPixmap(localTopLeft, mask);
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p.end();
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_pixmap = QPixmap::fromImage(std::move(image));
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update();
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return true;
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}
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bool ItemLine::collidesWithItem(
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const QGraphicsItem *,
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Qt::ItemSelectionMode) const {
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return false;
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}
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bool ItemLine::collidesWithPath(
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const QPainterPath &,
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Qt::ItemSelectionMode) const {
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return false;
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}
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void ItemLine::save(SaveState state) {
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auto &saved = (state == SaveState::Keep) ? _keeped : _saved;
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saved = {
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.saved = true,
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.status = status(),
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};
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}
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void ItemLine::restore(SaveState state) {
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if (!hasState(state)) {
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return;
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}
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const auto &saved = (state == SaveState::Keep) ? _keeped : _saved;
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setStatus(saved.status);
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}
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bool ItemLine::hasState(SaveState state) const {
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const auto &saved = (state == SaveState::Keep) ? _keeped : _saved;
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return saved.saved;
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}
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} // namespace Editor
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