func (pr *BimgProcessor) Process(buffer []byte, geo btcdn.GeoBox) (img btcdn.Image, err error) {
bimgImg := bimg.NewImage(buffer)
var newImage []byte
gravity := resolveGravity(geo.Gravity())
if geo.Cropped() && geo.Resized() {
newImage, err = resizeAndCrop(bimgImg, geo.Width(), geo.Height(), gravity)
} else if geo.Resized() {
if geo.Mode() == "!" {
newImage, err = forceResize(bimgImg, geo.Width(), geo.Height())
} else {
newImage, err = resize(bimgImg, geo.Width())
}
} else if geo.Cropped() {
newImage, err = crop(bimgImg, int(float64(geo.Offset()[1])), int(float64(geo.Offset()[0])), geo.Width(), geo.Height())
}
if geo.Greyscale() {
newImage, err = bimgImg.Colourspace(bimg.INTERPRETATION_B_W)
}
img = &Image{
body: newImage,
mime: Mimes[bimgImg.Type()],
}
return
}
func resizeWithLib(sourceFile string, destinationFile string, width int, height int) error {
options := bimg.Options{
Width: width,
Height: height,
Crop: true,
Quality: 90,
Interlace: true,
}
buffer, err := bimg.Read(sourceFile)
if err != nil {
return err
}
newImage, err := bimg.NewImage(buffer).Process(options)
if err != nil {
return err
}
err = bimg.Write(destinationFile, newImage)
if err != nil {
return err
}
return nil
}