mirror of
https://invent.kde.org/frameworks/kimageformats.git
synced 2026-11-06 09:08:50 -05:00
Daniel Novomeský
5c3bdcddf2
When 1st parsing ends with invalid EXIF payload error, we try 2nd time again while ignoring the EXIF metadata. Dropped support for legacy 0.x libavif versions, libavif 1.0.0+ is now required for the AVIF support.
89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/*
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AV1 Image File Format (AVIF) support for QImage.
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SPDX-FileCopyrightText: 2020 Daniel Novomesky <[email protected]>
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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 <QByteArray>
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#include <QImage>
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#include <QImageIOHandler>
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#include <QImageIOPlugin>
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#include <QPointF>
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#include <QSize>
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#include <QVariant>
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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 ensureOpened() const;
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bool initDecoder(bool ignore_exif);
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bool ensureDecoder();
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bool decode_one_frame();
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enum ParseAvifState {
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ParseAvifError = -1,
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ParseAvifNotParsed = 0,
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ParseAvifSuccess = 1,
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ParseAvifMetadata = 2,
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ParseAvifFinished = 3,
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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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QSize m_estimated_dimensions;
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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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