// Text effect 2 - tiled text using the builtin checkerboard pattern
// Anthony's Tiled Font effect
func textEffect2() {
	imagick.Initialize()
	defer imagick.Terminate()
	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	pw := imagick.NewPixelWand()
	defer pw.Destroy()
	setTilePattern(dw, "#check", "pattern:checkerboard")
	pw.SetColor("lightblue")
	// Create a new transparent image
	mw.NewImage(320, 100, pw)
	// Set up a 72 point font
	dw.SetFont("Verdana-Bold-Italic")
	dw.SetFontSize(72)
	// Now draw the text
	dw.Annotation(28, 68, "Magick")
	// Draw the image on to the mw
	mw.DrawImage(dw)
	// Trim the image
	mw.TrimImage(0)
	// Add a transparent border
	pw.SetColor("lightblue")
	mw.BorderImage(pw, 5, 5)
	// and write it
	mw.WriteImage("text_pattern.png")
}

func main() {
	imagick.Initialize()
	defer imagick.Terminate()

	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	lw := imagick.NewMagickWand()
	defer lw.Destroy()
	pw := imagick.NewPixelWand()
	defer pw.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()

	// Create the initial 640x480 transparent canvas
	pw.SetColor("none")
	mw.NewImage(640, 480, pw)

	pw.SetColor("white")
	dw.SetFillColor(pw)
	dw.RoundRectangle(15, 15, 624, 464, 15, 15)
	mw.DrawImage(dw)

	lw.ReadImage("logo:")
	// Note that MagickSetImageCompose is usually only used for the MagickMontageImage
	// function and isn't used or needed by MagickCompositeImage
	mw.CompositeImage(lw, imagick.COMPOSITE_OP_SRC_IN, 0, 0)

	/* Write the new image */
	mw.WriteImage("mask_result.png")
}

// Text effect 3 -  arc font (similar to http://www.imagemagick.org/Usage/fonts/#arc)
func textEffect3() {
	imagick.Initialize()
	defer imagick.Terminate()
	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	pw := imagick.NewPixelWand()
	defer pw.Destroy()
	// Create a 320x100 lightblue canvas
	pw.SetColor("lightblue")
	mw.NewImage(320, 100, pw)
	// Set up a 72 point font
	dw.SetFont("Verdana-Bold-Italic")
	dw.SetFontSize(72)
	// Now draw the text
	dw.Annotation(25, 65, "Magick")
	// Draw the image on to the mw
	mw.DrawImage(dw)
	mw.DistortImage(imagick.DISTORTION_ARC, dargs, false)
	// Trim the image
	mw.TrimImage(0)
	// Add the border
	pw.SetColor("lightblue")
	mw.BorderImage(pw, 10, 10)
	// and write it
	mw.WriteImage("text_arc.png")
}

// Text effect 7 - Polar distortion
func textEffect7() {
	imagick.Initialize()
	defer imagick.Terminate()
	// This one uses d_args[0]
	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	pw := imagick.NewPixelWand()
	defer pw.Destroy()
	// Create a 320x200 transparent canvas
	pw.SetColor("none")
	mw.NewImage(320, 200, pw)
	// Set up a 72 point font
	dw.SetFont("Verdana-Bold-Italic")
	dw.SetFontSize(72)
	// Now draw the text
	dw.Annotation(25, 65, "Magick")
	// Draw the image on to the mw
	mw.DrawImage(dw)
	d_args[0] = 0.0
	// DON'T FORGET to set the correct number of arguments here
	mw.DistortImage(imagick.DISTORTION_POLAR, d_args, true)
	//mw.ResetImagePage("")
	// Trim the image again
	mw.TrimImage(0)
	// Add the border
	pw.SetColor("none")
	mw.BorderImage(pw, 10, 10)
	// and write it
	mw.WriteImage("text_polar.png")
}

// Text effect 4 - bevelled font http://www.imagemagick.org/Usage/fonts/#bevel
func textEffect4() {
	imagick.Initialize()
	defer imagick.Terminate()
	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	pw := imagick.NewPixelWand()
	defer pw.Destroy()
	// Create a 320x100 canvas
	pw.SetColor("gray")
	mw.NewImage(320, 100, pw)
	// Set up a 72 point font
	dw.SetFont("Verdana-Bold-Italic")
	dw.SetFontSize(72)
	// Set up a 72 point white font
	pw.SetColor("white")
	dw.SetFillColor(pw)
	// Now draw the text
	dw.Annotation(25, 65, "Magick")
	// Draw the image on to the mw
	mw.DrawImage(dw)
	// the "gray" parameter must be true to get the effect shown on Anthony's page
	mw.ShadeImage(true, 140, 60)
	pw.SetColor("yellow")
	dw.SetFillColor(pw)
	cpw := imagick.NewPixelWand()
	defer cpw.Destroy()
	cpw.SetColor("gold")
	mw.ColorizeImage(pw, cpw)
	// and write it
	mw.WriteImage("text_bevel.png")
}

func getTextImage(text string, size int) []byte {
	imagick.Initialize()
	defer imagick.Terminate()
	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	pw := imagick.NewPixelWand()
	defer pw.Destroy()
	l := len(text)
	w := size * 3 * (l + 6)
	h := size * 2
	pw.SetColor("none")
	mw.NewImage(uint(w), uint(h), pw)
	pw.SetColor("white")
	dw.SetFillColor(pw)
	dw.SetFont("/usr/share/fonts/default/TrueType/msyh.ttf")
	dw.SetFontSize(float64(size))
	dw.Annotation(0, float64(size), "ctrip © "+text)
	mw.DrawImage(dw)
	mw.TrimImage(0)

	mw.ResetImagePage("")
	cw := mw.Clone()
	pw.SetColor("black")
	mw.SetImageBackgroundColor(pw)
	mw.ShadowImage(100, 1, 0, 0)
	mw.CompositeImage(cw, imagick.COMPOSITE_OP_OVER, 1, 1)
	cw.Destroy()

	mw.SetImageFormat("PNG")
	return mw.GetImageBlob()
}

func (c Snappshot) Screenshot(res string) revel.Result {
	s := strings.Split(res, "x")
	width, _ := strconv.Atoi(s[0])
	height, _ := strconv.Atoi(s[1])
	imagick.Initialize()
	defer imagick.Terminate()

	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	cw := imagick.NewPixelWand()
	cw2 := imagick.NewPixelWand()

	cw.SetColor("darkgray")
	cw2.SetColor("white")
	mw.NewImage(uint(width), uint(height), cw)

	dw.SetTextAlignment(imagick.ALIGN_CENTER)
	dw.SetFillColor(cw2)
	dw.SetFontSize(150)
	cw2.SetColor("black")
	dw.SetStrokeColor(cw2)
	dw.Annotation(float64(width)/2, float64(height)/2, res)

	mw.DrawImage(dw)
	mw.SetImageFormat("jpg")
	output := mw.GetImageBlob()
	return JPGImage(output)
}

func Draw(text string, name string) {
	imagick.Initialize()
	defer imagick.Terminate()
	// Current coordinates of text
	var dx float64 = 20

	mw := imagick.NewMagickWand()
	dw := imagick.NewDrawingWand()
	defer mw.Destroy()
	defer dw.Destroy()

	// Set the size of the image
	mw.SetSize(285, 50)
	mw.ReadImage("../assets/images/bg.gif")

	// Start near the left edge
	dw.SetFontSize(40)
	// Note that we must free up the fontmetric array once we're done with it
	list := strings.Split(text, " ")
	for _, item := range list {
		writeWord(mw, dw, &dx, item)
	}
	mw.DrawImage(dw)
	// Now write the magickwand image
	mw.WriteImage(name)
}

// Text effect 5 and 6 - Plain text and then Barrel distortion
func textEffect5And6() {
	imagick.Initialize()
	defer imagick.Terminate()
	// This one uses d_args
	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	pw := imagick.NewPixelWand()
	defer pw.Destroy()
	// Create a 320x100 transparent canvas
	pw.SetColor("none")
	mw.NewImage(320, 100, pw)
	// Set up a 72 point font
	dw.SetFont("Verdana-Bold-Italic")
	dw.SetFontSize(72)
	// Now draw the text
	dw.Annotation(25, 65, "Magick")
	// Draw the image on to the mw
	mw.DrawImage(dw)
	mw.WriteImage("text_plain.png")
	// Trim the image
	mw.TrimImage(0)
	// Add the border
	pw.SetColor("none")
	mw.BorderImage(pw, 10, 10)
	//mw.SetImageMatte(true)
	//mw.SetImageVirtualPixelMethod(TransparentVirtualPixelMethod)
	// 	d_args[0] = 0.1;d_args[1] = -0.25;d_args[2] = -0.25; [3] += .1
	// The first value should be positive. If it is negative the image is *really* distorted
	d_args[0] = 0.0
	d_args[1] = 0.0
	d_args[2] = 0.5
	// d_args[3] should normally be chosen such the sum of all 4 values is 1
	// so that the result is the same size as the original
	// You can override the sum with a different value
	// If the sum is greater than 1 the resulting image will be smaller than the original
	d_args[3] = 1 - (d_args[0] + d_args[1] + d_args[2])
	// Make the result image smaller so that it isn't as likely
	// to overflow the edges
	// d_args[3] += 0.1
	// 0.0,0.0,0.5,0.5,0.0,0.0,-0.5,1.9
	d_args[3] = 0.5
	d_args[4] = 0.0
	d_args[5] = 0.0
	d_args[6] = -0.5
	d_args[7] = 1.9
	// DON'T FORGET to set the correct number of arguments here
	mw.DistortImage(imagick.DISTORTION_BARREL, d_args, true)
	//mw.ResetImagePage("")
	// Trim the image again
	mw.TrimImage(0)
	// Add the border
	pw.SetColor("none")
	mw.BorderImage(pw, 10, 10)
	// and write it
	mw.WriteImage("text_barrel.png")
}

func main() {
	imagick.Initialize()
	defer imagick.Terminate()

	// Current coordinates of text
	var dx, dy float64
	// Width of a space in current font/size
	var sx float64

	mw := imagick.NewMagickWand()
	dw := imagick.NewDrawingWand()

	// Set the size of the image
	mw.SetSize(300, 100)
	//mw.SetImageAlphaChannel(imagick.CHANNEL_ALPHA)
	mw.ReadImage("xc:white")

	// DO NOT SET GRAVITY - it makes text placement more complicated
	// (unless it does exactly what you wanted anyway).

	// Start near the left edge
	dx = 10

	// If we know the largest font we're using, we can set the y coordinate
	// fairly accurately. In this case it is the 72 point Times font, so to
	// place the text such that the largest almost touches the top of the image
	// we just add the text height to the descender to give the coordinate for
	// our baseline.
	// In this case the largest is the 72 point Times-New-Roman so I'll use that
	// to compute the baseline
	dw.SetFontSize(72)
	dw.SetFont("Times-New-Roman")
	fm := mw.QueryFontMetrics(dw, "M")
	dy = fm.CharacterHeight + fm.Descender
	// Note that we must free up the fontmetric array once we're done with it

	// this
	draw_setfont(mw, dw, "Arial", 48, "#40FF80", &sx)
	draw_metrics(mw, dw, &dx, dy, sx, "this")

	// is
	// A NULL signals to draw_setfont that the font stays the same
	draw_setfont(mw, dw, "", 24, "#8040BF", &sx)
	draw_metrics(mw, dw, &dx, dy, sx, "is")

	// my
	draw_setfont(mw, dw, "Times-New-Roman", 18, "#BF00BF", &sx)
	draw_metrics(mw, dw, &dx, dy, sx, "my")

	// text
	draw_setfont(mw, dw, "", 72, "#0F0FBF", &sx)
	draw_metrics(mw, dw, &dx, dy, sx, "text")
	mw.DrawImage(dw)

	// Now write the magickwand image
	mw.WriteImage("metric1.gif")
}

// Text effect 1 - shadow effect using MagickShadowImage
// NOTE - if an image has a transparent background, adding a border of any colour other
// than "none" will remove all the transparency and replace it with the border's colour
func textEffect1() {
	imagick.Initialize()
	defer imagick.Terminate()
	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	pw := imagick.NewPixelWand()
	defer pw.Destroy()
	pw.SetColor("none")
	// Create a new transparent image
	mw.NewImage(350, 100, pw)
	// Set up a 72 point white font
	pw.SetColor("white")
	dw.SetFillColor(pw)
	dw.SetFont("Verdana-Bold-Italic")
	dw.SetFontSize(72)
	// Add a black outline to the text
	pw.SetColor("black")
	dw.SetStrokeColor(pw)
	// Turn antialias on - not sure this makes a difference
	dw.SetTextAntialias(true)
	// Now draw the text
	dw.Annotation(25, 65, "Magick")
	// Draw the image on to the mw
	mw.DrawImage(dw)
	// Trim the image down to include only the text
	mw.TrimImage(0)
	// equivalent to the command line +repage
	mw.ResetImagePage("")
	// Make a copy of the text image
	cw := mw.Clone()
	// Set the background colour to blue for the shadow
	pw.SetColor("blue")
	mw.SetImageBackgroundColor(pw)
	// Opacity is a real number indicating (apparently) percentage
	mw.ShadowImage(70, 4, 5, 5)
	// Composite the text on top of the shadow
	mw.CompositeImage(cw, imagick.COMPOSITE_OP_OVER, 5, 5)
	cw.Destroy()
	cw = imagick.NewMagickWand()
	defer cw.Destroy()
	// Create a new image the same size as the text image and put a solid colour
	// as its background
	pw.SetColor("rgb(125,215,255)")
	cw.NewImage(mw.GetImageWidth(), mw.GetImageHeight(), pw)
	// Now composite the shadowed text over the plain background
	cw.CompositeImage(mw, imagick.COMPOSITE_OP_OVER, 0, 0)
	// and write the result
	cw.WriteImage("text_shadow.png")
}

func createMask(d uint, r float64) (mask *imagick.MagickWand) {
	mask = imagick.NewMagickWand()

	pw := imagick.NewPixelWand()
	defer pw.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()

	pw.SetColor("none")
	mask.NewImage(d, d, pw)
	pw.SetColor("white")
	dw.SetFillColor(pw)
	dw.Circle(r, r, r-1, r*2-1)
	mask.DrawImage(dw)

	return
}

func speedLine(mw *imagick.MagickWand, aw *imagick.MagickWand) error {
	cols, rows := mw.GetImageHeight(), mw.GetImageWidth()

	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	cw := imagick.NewPixelWand()
	cw.SetColor(*color)
	dw.SetFillColor(cw)

	center := []float64{float64(rows) / 2.0, float64(cols) / 2.0}
	const radiusCenter float64 = 0.75
	const step float64 = 0.02
	const bold float64 = 1.0
	var theeta float64

	for theeta < math.Pi*2 {
		stepNoise := rand.Float64() + 0.5
		theeta += step * stepNoise
		radiusCenterNoise := rand.Float64()*0.3 + 1.0
		boldNoise := rand.Float64() + 0.7 + 0.3

		point0 := imagick.PointInfo{
			X: math.Sin(theeta)*center[0]*radiusCenter*radiusCenterNoise + center[0],
			Y: math.Cos(theeta)*center[1]*radiusCenter*radiusCenterNoise + center[1],
		}
		point1 := imagick.PointInfo{
			X: math.Sin(theeta)*center[0]*2 + center[0],
			Y: math.Cos(theeta)*center[1]*2 + center[1],
		}
		point2 := imagick.PointInfo{
			X: math.Sin(theeta+step*bold*boldNoise)*center[0]*2 + center[0],
			Y: math.Cos(theeta+step*bold*boldNoise)*center[1]*2 + center[1],
		}

		dw.Polygon([]imagick.PointInfo{point0, point1, point2})
	}

	if err := aw.DrawImage(dw); err != nil {
		return err
	}

	return nil
}

func NewPixelizr(img string, targetRes int) (pixelData, error) {

	srcWand := imagick.NewMagickWand()

	err := srcWand.ReadImage(img)

	width, height := shrinkImage(srcWand, targetRes)

	return pixelData{
		// data:      px.([]uint8),
		rows:      int(height),
		columns:   int(width),
		blockSize: int(1080 / height),
		wands: wands{
			src: srcWand,
			pw:  imagick.NewPixelWand(),
			mw:  imagick.NewMagickWand(),
			dw:  imagick.NewDrawingWand(),
		},
	}, err
}

func useDraw() {
	imagick.Initialize()
	defer imagick.Terminate()

	/* Create a wand */
	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	/* Read the input image */
	mw.ReadImage("logo:")
	fill := imagick.NewPixelWand()
	defer fill.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	// Set the fill to "red" or you can do the same thing with this:
	fill.SetColor("red")
	dw.SetFillColor(fill)
	// Uses the current Fill as the colour of the point at 200,100
	dw.Point(200, 100)
	mw.DrawImage(dw)
	/* write it */
	mw.WriteImage("logo_pixel_drawingwand.gif")
}

// Text effect 8 - Shepard's distortion
func textEffect8() {
	imagick.Initialize()
	defer imagick.Terminate()
	// This one uses d_args[0]
	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	pw := imagick.NewPixelWand()
	defer pw.Destroy()
	// Create a 320x200 transparent canvas
	pw.SetColor("none")
	mw.NewImage(640, 480, pw)
	// Set up a 72 point font
	dw.SetFont("Verdana-Bold-Italic")
	dw.SetFontSize(72)
	// Now draw the text
	dw.Annotation(50, 240, "Magick Rocks")
	// Draw the image on to the mw
	mw.DrawImage(dw)
	d_args[0] = 150.0
	d_args[1] = 190.0
	d_args[2] = 100.0
	d_args[3] = 290.0
	d_args[4] = 500.0
	d_args[5] = 200.0
	d_args[6] = 430.0
	d_args[7] = 130.0
	// DON'T FORGET to set the correct number of arguments here
	mw.DistortImage(imagick.DISTORTION_SHEPARDS, d_args, true)
	// Trim the image
	mw.TrimImage(0)
	// Add the border
	pw.SetColor("none")
	mw.BorderImage(pw, 10, 10)
	// and write it
	mw.WriteImage("text_shepards.png")
}

func Make(path string) string {

	if IsURL(path) {
		path = Download(path)
	}

	// make file name
	base := filepath.Base(path)
	ext := filepath.Ext(path)
	basesize := len(base)
	extsize := len(ext)
	base = string([]rune(base)[0 : basesize-extsize])
	ext = string([]rune(ext)[1:extsize])
	if ext != "jpg" && ext != "gif" && ext != "png" {
		err := errors.New("unknow format")
		panic(err)
	}
	output := base + "_lgtm." + ext

	file, err := os.Open(path)
	if err != nil {
		panic(err)
	}
	defer file.Close()

	// adjust lgtm size
	conf, _, err := image.DecodeConfig(file)
	size := 0.0
	if conf.Width > conf.Height {
		size = float64(conf.Height) / 3.0 * 0.75
	} else {
		size = float64(conf.Width) / 3.0 * 0.75
	}

	// prepare image
	imagick.Initialize()
	defer imagick.Terminate()
	mw := imagick.NewMagickWand()
	defer mw.Destroy()
	err = mw.ReadImage(path)
	if err != nil {
		panic(err)
	}

	// prepare text
	dw := imagick.NewDrawingWand()
	defer dw.Destroy()
	pw := imagick.NewPixelWand()
	defer pw.Destroy()
	pw.SetColor("white")
	dw.SetFont("/Library/Fonts/Impact.ttf")
	dw.SetFontSize(size)
	dw.SetTextKerning(size / 10)
	dw.SetFillColor(pw)
	dw.SetGravity(imagick.GRAVITY_CENTER)
	mw.SetFirstIterator()

	// draw text and save
	image := mw.CoalesceImages()
	image.AnnotateImage(dw, 0, 0, 0, "LGTM")
	for image.NextImage() {
		image.AnnotateImage(dw, 0, 0, 0, "LGTM")
	}
	image.OptimizeImageLayers()
	err = image.WriteImages(output, true)
	if err != nil {
		panic(err)
	}

	return output
}

func (this *RoundPicer) Do(req ufop.UfopRequest) (result interface{}, resultType int, contentType string, err error) {
	//parse cmd
	cmdParams, pErr := this.parse(req.Cmd)
	if pErr != nil {
		err = pErr
		return
	}

	//check src image
	if matched, _ := regexp.MatchString("image/(png|jpeg)", req.Src.MimeType); !matched {
		err = errors.New("unsupported mimetype, only 'image/png' and 'image/jpeg' supported")
		return
	}

	if req.Src.Fsize > this.maxFileSize {
		err = errors.New("src image size too large, exceeds the limit")
		return
	}

	//download the image
	resp, respErr := http.Get(req.Src.Url)
	if respErr != nil || resp.StatusCode != http.StatusOK {
		if respErr != nil {
			err = errors.New(fmt.Sprintf("get image data failed, %s", respErr.Error()))
		} else {
			err = errors.New(fmt.Sprintf("get image data failed, %s", resp.Status))
			if resp.Body != nil {
				resp.Body.Close()
			}
		}
		return
	}
	defer resp.Body.Close()

	srcImgData, readErr := ioutil.ReadAll(resp.Body)
	if readErr != nil {
		err = errors.New(fmt.Sprintf("read image data failed, %s", readErr.Error()))
		return
	}

	var srcImg image.Image
	var decodeErr error

	switch req.Src.MimeType {
	case "image/png":
		srcImg, decodeErr = png.Decode(bytes.NewReader(srcImgData))
	case "image/jpeg":
		srcImg, decodeErr = jpeg.Decode(bytes.NewReader(srcImgData))
	}

	if decodeErr != nil {
		err = errors.New(fmt.Sprintf("decode image failed, %s", decodeErr.Error()))
		return
	}

	srcImgWidth := srcImg.Bounds().Dx()
	srcImgHeight := srcImg.Bounds().Dy()

	//parse cmd params, radius can be pixels or percentage
	radiusX, radiusY := getRadius(cmdParams, srcImgWidth, srcImgHeight)

	//init imagick
	imagick.Initialize()
	defer imagick.Terminate()

	//create mask
	maskDraw := imagick.NewMagickWand()
	defer maskDraw.Destroy()

	backDraw := imagick.NewPixelWand()
	defer backDraw.Destroy()
	backDraw.SetColor("none")

	//draw mask
	nErr := maskDraw.NewImage(uint(srcImgWidth), uint(srcImgHeight), backDraw)
	if nErr != nil {
		err = errors.New(fmt.Sprintf("create mask image failed, %s", nErr.Error()))
		return
	}

	backDraw.SetColor("white")
	roundDraw := imagick.NewDrawingWand()
	defer roundDraw.Destroy()
	roundDraw.SetFillColor(backDraw)
	roundDraw.RoundRectangle(0, 0, float64(srcImgWidth-1), float64(srcImgHeight-1), radiusX, radiusY)

	//draw round pic
	dErr := maskDraw.DrawImage(roundDraw)
	if dErr != nil {
		err = errors.New(fmt.Sprintf("draw mask image failed, %s", dErr.Error()))
		return
	}

	//load src image
	srcDraw := imagick.NewMagickWand()
	defer srcDraw.Destroy()
	rErr := srcDraw.ReadImageBlob(srcImgData)
	if rErr != nil {
		err = errors.New(fmt.Sprintf("read src image failed, %s", rErr.Error()))
		return
//.........这里部分代码省略.........