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refactor(resize): clone options by value

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This commit is contained in:
Tomas Aparicio 2015-11-03 07:54:40 +00:00
parent 82f17f66d5
commit 13ef72dc03
1 changed files with 4 additions and 3 deletions
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7
resize.go
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@ -23,8 +23,8 @@ func Resize(buf []byte, o Options) ([]byte, error) {
return nil, err
}
// Define default options
applyDefaults(&o, imageType)
// Clone and define default options
o = applyDefaults(o, imageType)
if IsTypeSupported(o.Type) == false {
return nil, errors.New("Unsupported image output type")
@ -121,7 +121,7 @@ func Resize(buf []byte, o Options) ([]byte, error) {
return vipsSave(image, saveOptions)
}
func applyDefaults(o *Options, imageType ImageType) {
func applyDefaults(o Options, imageType ImageType) Options {
if o.Quality == 0 {
o.Quality = QUALITY
}
@ -134,6 +134,7 @@ func applyDefaults(o *Options, imageType ImageType) {
if o.Interpretation == 0 {
o.Interpretation = INTERPRETATION_sRGB
}
return o
}
func normalizeOperation(o *Options, inWidth, inHeight int) {