mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-05-20 17:28:40 +00:00
80 lines
2 KiB
Go
80 lines
2 KiB
Go
package exifundefined
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import (
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"fmt"
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"encoding/binary"
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"github.com/dsoprea/go-logging"
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"github.com/dsoprea/go-exif/v3/common"
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)
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type TagExifA300FileSource uint32
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func (TagExifA300FileSource) EncoderName() string {
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return "CodecExifA300FileSource"
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}
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func (af TagExifA300FileSource) String() string {
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return fmt.Sprintf("0x%08x", uint32(af))
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}
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const (
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TagUndefinedType_A300_SceneType_Others TagExifA300FileSource = 0
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TagUndefinedType_A300_SceneType_ScannerOfTransparentType TagExifA300FileSource = 1
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TagUndefinedType_A300_SceneType_ScannerOfReflexType TagExifA300FileSource = 2
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TagUndefinedType_A300_SceneType_Dsc TagExifA300FileSource = 3
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)
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type CodecExifA300FileSource struct {
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}
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func (CodecExifA300FileSource) Encode(value interface{}, byteOrder binary.ByteOrder) (encoded []byte, unitCount uint32, err error) {
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defer func() {
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if state := recover(); state != nil {
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err = log.Wrap(state.(error))
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}
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}()
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st, ok := value.(TagExifA300FileSource)
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if ok == false {
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log.Panicf("can only encode a TagExifA300FileSource")
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}
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ve := exifcommon.NewValueEncoder(byteOrder)
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ed, err := ve.Encode([]uint32{uint32(st)})
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log.PanicIf(err)
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// TODO(dustin): Confirm this size against the specification. It's non-specific about what type it is, but it looks to be no more than a single integer scalar. So, we're assuming it's a LONG.
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return ed.Encoded, 1, nil
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}
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func (CodecExifA300FileSource) Decode(valueContext *exifcommon.ValueContext) (value EncodeableValue, err error) {
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defer func() {
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if state := recover(); state != nil {
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err = log.Wrap(state.(error))
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}
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}()
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valueContext.SetUndefinedValueType(exifcommon.TypeLong)
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valueLongs, err := valueContext.ReadLongs()
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log.PanicIf(err)
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return TagExifA300FileSource(valueLongs[0]), nil
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}
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func init() {
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registerEncoder(
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TagExifA300FileSource(0),
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CodecExifA300FileSource{})
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registerDecoder(
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exifcommon.IfdExifStandardIfdIdentity.UnindexedString(),
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0xa300,
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CodecExifA300FileSource{})
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}
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