38 lines
715 B
Go
38 lines
715 B
Go
package tag
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import (
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"bytes"
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"compress/zlib"
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"git.gammaspectra.live/WeebDataHoarder/swf-go/types"
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"io"
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)
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type DefineBitsJPEG4 struct {
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_ struct{} `swfFlags:"root"`
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CharacterId uint16
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AlphaDataOffset uint32
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DeblockParam types.Fixed8
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ImageData []byte `swfCount:"AlphaDataOffset"`
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BitmapAlphaData types.UntilEndBytes
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}
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func (t *DefineBitsJPEG4) GetAlphaData() []byte {
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if len(t.BitmapAlphaData) == 0 {
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return nil
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}
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r, err := zlib.NewReader(bytes.NewReader(t.BitmapAlphaData))
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if err != nil {
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return nil
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}
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defer r.Close()
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buf, err := io.ReadAll(r)
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if err != nil {
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return nil
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}
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return buf
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}
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func (t *DefineBitsJPEG4) Code() Code {
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return RecordDefineBitsJPEG4
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}
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