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best fit option

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This commit is contained in:
Milan Nikolic
2015-11-05 05:06:45 +01:00
parent bbcaf0f9dd
commit 97aae5e0c7
2 changed files with 9 additions and 2 deletions
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8
cbconvert.go
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@@ -89,6 +89,7 @@ type options struct {
Quality int // JPEG image quality
Width int // image width
Height int // image height
Fit bool // Best fit for required width and height
Filter int // 0=NearestNeighbor, 1=Box, 2=Linear, 3=MitchellNetravali, 4=CatmullRom, 6=Gaussian, 7=Lanczos
RGB bool // convert images that have RGB colorspace
NonImage bool // Leave non image files in archive
@@ -160,7 +161,11 @@ func transformImage(img image.Image) image.Image {
var i image.Image = img
if opts.Width > 0 || opts.Height > 0 {
i = imaging.Resize(i, opts.Width, opts.Height, filters[opts.Filter])
if opts.Fit {
i = imaging.Fit(i, opts.Width, opts.Height, filters[opts.Filter])
} else {
i = imaging.Resize(i, opts.Width, opts.Height, filters[opts.Filter])
}
}
if opts.Rotate > 0 {
@@ -896,6 +901,7 @@ func parseFlags() {
convert.Arg("args", "filename or directory").Required().ExistingFilesOrDirsVar(&arguments)
convert.Flag("width", "Image width").Default(strconv.Itoa(0)).IntVar(&opts.Width)
convert.Flag("height", "Image height").Default(strconv.Itoa(0)).IntVar(&opts.Height)
convert.Flag("fit", "Best fit for required width and height").BoolVar(&opts.Fit)
convert.Flag("quality", "JPEG image quality").Default(strconv.Itoa(jpeg.DefaultQuality)).IntVar(&opts.Quality)
convert.Flag("filter", "0=NearestNeighbor, 1=Box, 2=Linear, 3=MitchellNetravali, 4=CatmullRom, 6=Gaussian, 7=Lanczos").Default(strconv.Itoa(Linear)).IntVar(&opts.Filter)
convert.Flag("png", "Encode images to PNG instead of JPEG").BoolVar(&opts.ToPNG)