示例#1
0
文件: adapter.go 项目: bootic/btcdn
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
}
示例#2
0
文件: adapter.go 项目: bootic/btcdn
func (pr *MagickProcessor) Process(buffer []byte, geo btcdn.GeoBox) (img btcdn.Image, err error) {
	mw := imagick.NewMagickWand()
	// Schedule cleanup
	defer mw.Destroy()

	err = mw.ReadImageBlob(buffer)

	if err != nil {
		return
	}

	if geo.Cropped() && geo.Resized() {
		err = resize(mw, geo)
		if err != nil {
			return
		}
		err = crop(mw, geo)
		if err != nil {
			return
		}
	} else if geo.Resized() {
		err = resize(mw, geo)
		if err != nil {
			return
		}
	} else if geo.Cropped() {
		err = crop(mw, geo)
		if err != nil {
			return
		}
	}

	if geo.Greyscale() {
		err = mw.SetColorspace(imagick.COLORSPACE_GRAY)
	}

	err = mw.SetImageFormat("jpg")
	if err != nil {
		return
	}

	err = mw.SetImageCompressionQuality(80)
	if err != nil {
		return
	}

	err = mw.StripImage()
	if err != nil {
		return
	}

	newImage := mw.GetImageBlob()

	img = &Image{
		body: newImage,
		mime: "image/jpeg",
	}

	return
}