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e3ab850712
Should help produce better diffs and clang-format won't squash the enum on one line. GIT_SILENT
83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
/*
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AV1 Image File Format (AVIF) support for QImage.
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SPDX-FileCopyrightText: 2020 Daniel Novomesky <dnovomesky@gmail.com>
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SPDX-License-Identifier: BSD-2-Clause
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*/
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#ifndef KIMG_AVIF_P_H
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#define KIMG_AVIF_P_H
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#include <QImage>
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#include <QVariant>
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#include <qimageiohandler.h>
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#include <QImageIOPlugin>
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#include <QByteArray>
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#include <QPointF>
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#include <avif/avif.h>
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class QAVIFHandler : public QImageIOHandler
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{
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public:
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QAVIFHandler();
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~QAVIFHandler();
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bool canRead() const override;
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bool read (QImage *image) override;
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bool write (const QImage &image) override;
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static bool canRead (QIODevice *device);
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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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bool supportsOption (ImageOption option) const override;
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int imageCount() const override;
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int currentImageNumber() const override;
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bool jumpToNextImage() override;
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bool jumpToImage (int imageNumber) override;
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int nextImageDelay() const override;
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int loopCount() const override;
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private:
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static QPointF CompatibleChromacity(qreal chrX, qreal chrY);
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bool ensureParsed() const;
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bool ensureDecoder();
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bool decode_one_frame();
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enum ParseAvifState
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{
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ParseAvifError = -1,
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ParseAvifNotParsed = 0,
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ParseAvifSuccess = 1,
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};
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ParseAvifState m_parseState;
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int m_quality;
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uint32_t m_container_width;
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uint32_t m_container_height;
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QByteArray m_rawData;
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avifROData m_rawAvifData;
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avifDecoder *m_decoder;
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QImage m_current_image;
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bool m_must_jump_to_next_image;
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};
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class QAVIFPlugin : 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 "avif.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_AVIF_P_H
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