96 lines
2.0 KiB
C++
96 lines
2.0 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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#pragma once
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#include "ui/rp_widget.h"
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#include "base/flat_map.h"
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#include "editor/photo_editor_common.h"
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namespace Editor {
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// Crop control.
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class Crop final : public Ui::RpWidget {
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public:
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Crop(
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not_null<Ui::RpWidget*> parent,
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const PhotoModifications &modifications,
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const QSize &imageSize);
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void applyTransform(QRect geometry, int angle, bool flipped);
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[[nodiscard]] QRect innerRect() const;
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[[nodiscard]] QRect saveCropRect(
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const QRect &from,
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const QRect &to);
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[[nodiscard]] style::margins cropMargins() const;
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protected:
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void mousePressEvent(QMouseEvent *e) override;
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void mouseReleaseEvent(QMouseEvent *e) override;
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void mouseMoveEvent(QMouseEvent *e) override;
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private:
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struct InfoAtDown {
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QRect rect;
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Qt::Edges edge = 0;
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QPoint point;
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struct Borders {
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int left = 0;
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int right = 0;
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int top = 0;
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int bottom = 0;
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} borders;
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};
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[[nodiscard]] QRectF resizedCropRect(
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const QRectF &from,
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const QRectF &to);
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void paintPoints(Painter &p);
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void updateEdges();
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[[nodiscard]] QPoint pointOfEdge(Qt::Edges e) const;
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void setCropRect(QRect &&rect);
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void setCropRectPaint(QRect &&rect);
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void rotate(bool clockwise = true);
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void computeDownState(const QPoint &p);
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void clearDownState();
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[[nodiscard]] Qt::Edges mouseState(const QPoint &p);
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void performCrop(const QPoint &pos);
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void performMove(const QPoint &pos);
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const int _pointSize;
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const float _pointSizeH;
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const style::margins _innerMargins;
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const QPoint _offset;
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const QMarginsF _edgePointMargins;
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base::flat_map<Qt::Edges, QRectF> _edges;
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// Is translated with the inner indentation.
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QRect _cropRectPaint;
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// Is not.
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QRect _cropRect;
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QRect _innerRect;
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QPainterPath _painterPath;
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InfoAtDown _down;
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int _angle = 0;
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bool _flipped = false;
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bool _keepAspectRatio = false;
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};
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} // namespace Editor
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