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package libtgsconverter
import "bytes"
import "image"
import "github.com/sizeofint/webpanimation"
type towebp struct {
timestamp int
webpanim *webpanimation.WebpAnimation
config webpanimation.WebPConfig
}
func(to_webp *towebp) init(w uint, h uint, options ConverterOptions) {
to_webp.timestamp = 0
to_webp.webpanim = webpanimation.NewWebpAnimation(int(w), int(h), 0)
to_webp.config = webpanimation.NewWebpConfig()
to_webp.config.SetQuality(options.GetWebpQuality())
}
func(to_webp *towebp) SupportsAnimation() bool {
return true
}
func (to_webp *towebp) AddFrame(image *image.RGBA, fps uint) error {
err := to_webp.webpanim.AddFrame(image, to_webp.timestamp, to_webp.config)
to_webp.timestamp += int((1.0 / float32(fps)) * 1000.)
return err
}
func (to_webp *towebp) Result() []byte {
var buf bytes.Buffer
err := to_webp.webpanim.Encode(&buf)
if err != nil {
return nil
}
to_webp.webpanim.ReleaseMemory()
return buf.Bytes()
}
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