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0c25cb5b8c
Allows to read XCursor files, including ones with animation. The cursor hotspot is set in QImage textKeys as "HotspotX" and "HotspotY". The "Sizes" textKey contains a list of available sizes in this file.
70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
/*
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* SPDX-FileCopyrightText: 2026 Kai Uwe Broulik <kde@broulik.de>
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*
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* SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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#ifndef KIMG_XCURSOR_P_H
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#define KIMG_XCURSOR_P_H
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#include <QImageIOPlugin>
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#include <QSize>
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#include <optional>
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struct XCursorImage {
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qint64 offset;
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quint32 delay;
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};
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class XCursorHandler : public QImageIOHandler
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{
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public:
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XCursorHandler();
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bool canRead() const override;
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bool read(QImage *image) override;
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int currentImageNumber() const override;
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int imageCount() const override;
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bool jumpToImage(int imageNumber) override;
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bool jumpToNextImage() override;
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int loopCount() const override;
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int nextImageDelay() const override;
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bool supportsOption(ImageOption option) const override;
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QVariant option(ImageOption option) const override;
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void setOption(ImageOption option, const QVariant &value) override;
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static bool canRead(QIODevice *device);
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private:
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bool ensureScanned() const;
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void pickSize();
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bool m_scanned = false;
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int m_currentImageNumber = 0;
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QSize m_scaledSize;
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int m_currentSize = 0;
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QMap<int /*size*/, QVector<qint64 /*offset*/>> m_images;
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int m_nextImageDelay = 0;
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std::optional<QPoint> m_hotspot;
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};
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class XCursorPlugin : public QImageIOPlugin
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{
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Q_OBJECT
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Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QImageIOHandlerFactoryInterface" FILE "xcursor.json")
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public:
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Capabilities capabilities(QIODevice *device, const QByteArray &format) const override;
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QImageIOHandler *create(QIODevice *device, const QByteArray &format = QByteArray()) const override;
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};
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#endif // KIMG_XCURSOR_P_H
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