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Merge pull request #23 from unak/fix/lossless

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Need to initialize not only lossless preset but also normal preset
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Michii Shunsuke 2019-07-03 15:08:48 +09:00 • committed by GitHub
commit 810c283197
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webp/encode.go
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@ -131,6 +131,9 @@ func ConfigPreset(preset Preset, quality float32) (*Config, error) {
// compression) and 9 (slower, best compression). // compression) and 9 (slower, best compression).
func ConfigLosslessPreset(level int) (*Config, error) { func ConfigLosslessPreset(level int) (*Config, error) {
c := &Config{} c := &Config{}
if C.WebPConfigPreset(&c.c, C.WebPPreset(PresetDefault), C.float(0)) == 0 {
return nil, errors.New("failed to initialize webp config")
}
if C.webPConfigLosslessPreset(&c.c, C.int(level)) == 0 { if C.webPConfigLosslessPreset(&c.c, C.int(level)) == 0 {
return nil, errors.New("failed to initialize webp config") return nil, errors.New("failed to initialize webp config")
} }