HEIF plug-in extended to support HEJ2 format

HEJ2 is JPEG 2000 codec encapsulated in HEIF container.
Only HEJ2 reading is implemented.
This commit is contained in:
Daniel Novomeský
2023-12-07 12:58:14 +01:00
parent e90bca4924
commit 43c80793ac
8 changed files with 99 additions and 21 deletions

View File

@@ -24,17 +24,18 @@ public:
bool read(QImage *image) override;
bool write(const QImage &image) override;
static bool canRead(QIODevice *device);
QVariant option(ImageOption option) const override;
void setOption(ImageOption option, const QVariant &value) override;
bool supportsOption(ImageOption option) const override;
static bool isHeifDecoderAvailable();
static bool isHeifEncoderAvailable();
static bool isHej2DecoderAvailable();
static bool isSupportedBMFFType(const QByteArray &header);
static bool isSupportedHEJ2(const QByteArray &header);
private:
static bool isSupportedBMFFType(const QByteArray &header);
bool ensureParsed() const;
bool ensureDecoder();
@@ -57,6 +58,7 @@ private:
static bool m_plugins_queried;
static bool m_heif_decoder_available;
static bool m_heif_encoder_available;
static bool m_hej2_decoder_available;
static QMutex &getHEIFHandlerMutex();
};