mirror of https://code.videolan.org/videolan/vlc
105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
/*****************************************************************************
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* roundimage.hpp: Custom widgets
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****************************************************************************
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* Copyright (C) 2021 the VideoLAN team
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*
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* Authors: Prince Gupta <guptaprince8832@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef VLC_QT_ROUNDIMAGE_HPP
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#define VLC_QT_ROUNDIMAGE_HPP
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#include <QImage>
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#include <QQuickItem>
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#include <QUrl>
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#include <memory>
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class QQuickImageResponse;
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class RoundImageRequest;
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class RoundImage : public QQuickItem
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{
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Q_OBJECT
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// url of the image
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Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged FINAL)
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Q_PROPERTY(qreal radius READ radius WRITE setRadius NOTIFY radiusChanged FINAL)
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Q_PROPERTY(Status status READ status NOTIFY statusChanged FINAL)
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public:
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enum Status
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{
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Null,
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Ready,
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Loading,
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Error
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};
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Q_ENUM(Status)
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RoundImage(QQuickItem *parent = nullptr);
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~RoundImage();
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void componentComplete() override;
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QUrl source() const;
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qreal radius() const;
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Status status() const;
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public slots:
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void setSource(const QUrl& source);
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void setRadius(qreal radius);
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signals:
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void sourceChanged(const QUrl&);
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void radiusChanged(qreal);
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void statusChanged();
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protected:
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void itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &value) override;
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QSGNode* updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *) override;
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private:
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void setDPR(qreal value);
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void handleImageResponseFinished();
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void load();
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void setRoundImage(QImage image);
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void setStatus(const Status status);
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void regenerateRoundImage();
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private slots:
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void adjustQSGCustomGeometry(const QQuickWindow* const window);
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void onRequestCompleted(Status status, const QImage& image);
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private:
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Status m_status = Status::Null;
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bool m_QSGCustomGeometry = false;
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bool m_dirty = false;
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bool m_enqueuedGeneration = false;
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QUrl m_source;
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qreal m_radius = 0.0;
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qreal m_dpr = 1.0; // device pixel ratio
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QImage m_roundImage;
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std::shared_ptr<RoundImageRequest> m_activeImageResponse;
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};
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#endif
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