Exemplo n.º 1
0
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
}
Exemplo n.º 2
0
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
}