1 files changed, 0 insertions, 182 deletions
diff --git a/Godeps/_workspace/src/github.com/disintegration/imaging/tools.go b/Godeps/_workspace/src/github.com/disintegration/imaging/tools.go
deleted file mode 100644
index 2c39c900a..000000000
--- a/Godeps/_workspace/src/github.com/disintegration/imaging/tools.go
+++ /dev/null
@@ -1,182 +0,0 @@
-package imaging
-
-import (
-	"image"
-	"math"
-)
-
-// Anchor is the anchor point for image alignment.
-type Anchor int
-
-const (
-	Center Anchor = iota
-	TopLeft
-	Top
-	TopRight
-	Left
-	Right
-	BottomLeft
-	Bottom
-	BottomRight
-)
-
-func anchorPt(b image.Rectangle, w, h int, anchor Anchor) image.Point {
-	var x, y int
-	switch anchor {
-	case TopLeft:
-		x = b.Min.X
-		y = b.Min.Y
-	case Top:
-		x = b.Min.X + (b.Dx()-w)/2
-		y = b.Min.Y
-	case TopRight:
-		x = b.Max.X - w
-		y = b.Min.Y
-	case Left:
-		x = b.Min.X
-		y = b.Min.Y + (b.Dy()-h)/2
-	case Right:
-		x = b.Max.X - w
-		y = b.Min.Y + (b.Dy()-h)/2
-	case BottomLeft:
-		x = b.Min.X
-		y = b.Max.Y - h
-	case Bottom:
-		x = b.Min.X + (b.Dx()-w)/2
-		y = b.Max.Y - h
-	case BottomRight:
-		x = b.Max.X - w
-		y = b.Max.Y - h
-	default:
-		x = b.Min.X + (b.Dx()-w)/2
-		y = b.Min.Y + (b.Dy()-h)/2
-	}
-	return image.Pt(x, y)
-}
-
-// Crop cuts out a rectangular region with the specified bounds
-// from the image and returns the cropped image.
-func Crop(img image.Image, rect image.Rectangle) *image.NRGBA {
-	src := toNRGBA(img)
-	srcRect := rect.Sub(img.Bounds().Min)
-	sub := src.SubImage(srcRect)
-	return Clone(sub) // New image Bounds().Min point will be (0, 0)
-}
-
-// CropAnchor cuts out a rectangular region with the specified size
-// from the image using the specified anchor point and returns the cropped image.
-func CropAnchor(img image.Image, width, height int, anchor Anchor) *image.NRGBA {
-	srcBounds := img.Bounds()
-	pt := anchorPt(srcBounds, width, height, anchor)
-	r := image.Rect(0, 0, width, height).Add(pt)
-	b := srcBounds.Intersect(r)
-	return Crop(img, b)
-}
-
-// CropCenter cuts out a rectangular region with the specified size
-// from the center of the image and returns the cropped image.
-func CropCenter(img image.Image, width, height int) *image.NRGBA {
-	return CropAnchor(img, width, height, Center)
-}
-
-// Paste pastes the img image to the background image at the specified position and returns the combined image.
-func Paste(background, img image.Image, pos image.Point) *image.NRGBA {
-	src := toNRGBA(img)
-	dst := Clone(background)                    // cloned image bounds start at (0, 0)
-	startPt := pos.Sub(background.Bounds().Min) // so we should translate start point
-	endPt := startPt.Add(src.Bounds().Size())
-	pasteBounds := image.Rectangle{startPt, endPt}
-
-	if dst.Bounds().Overlaps(pasteBounds) {
-		intersectBounds := dst.Bounds().Intersect(pasteBounds)
-
-		rowSize := intersectBounds.Dx() * 4
-		numRows := intersectBounds.Dy()
-
-		srcStartX := intersectBounds.Min.X - pasteBounds.Min.X
-		srcStartY := intersectBounds.Min.Y - pasteBounds.Min.Y
-
-		i0 := dst.PixOffset(intersectBounds.Min.X, intersectBounds.Min.Y)
-		j0 := src.PixOffset(srcStartX, srcStartY)
-
-		di := dst.Stride
-		dj := src.Stride
-
-		for row := 0; row < numRows; row++ {
-			copy(dst.Pix[i0:i0+rowSize], src.Pix[j0:j0+rowSize])
-			i0 += di
-			j0 += dj
-		}
-	}
-
-	return dst
-}
-
-// PasteCenter pastes the img image to the center of the background image and returns the combined image.
-func PasteCenter(background, img image.Image) *image.NRGBA {
-	bgBounds := background.Bounds()
-	bgW := bgBounds.Dx()
-	bgH := bgBounds.Dy()
-	bgMinX := bgBounds.Min.X
-	bgMinY := bgBounds.Min.Y
-
-	centerX := bgMinX + bgW/2
-	centerY := bgMinY + bgH/2
-
-	x0 := centerX - img.Bounds().Dx()/2
-	y0 := centerY - img.Bounds().Dy()/2
-
-	return Paste(background, img, image.Pt(x0, y0))
-}
-
-// Overlay draws the img image over the background image at given position
-// and returns the combined image. Opacity parameter is the opacity of the img
-// image layer, used to compose the images, it must be from 0.0 to 1.0.
-//
-// Usage examples:
-//
-//		// draw the sprite over the background at position (50, 50)
-//		dstImage := imaging.Overlay(backgroundImage, spriteImage, image.Pt(50, 50), 1.0)
-//
-//		// blend two opaque images of the same size
-//		dstImage := imaging.Overlay(imageOne, imageTwo, image.Pt(0, 0), 0.5)
-//
-func Overlay(background, img image.Image, pos image.Point, opacity float64) *image.NRGBA {
-	opacity = math.Min(math.Max(opacity, 0.0), 1.0) // check: 0.0 <= opacity <= 1.0
-
-	src := toNRGBA(img)
-	dst := Clone(background)                    // cloned image bounds start at (0, 0)
-	startPt := pos.Sub(background.Bounds().Min) // so we should translate start point
-	endPt := startPt.Add(src.Bounds().Size())
-	pasteBounds := image.Rectangle{startPt, endPt}
-
-	if dst.Bounds().Overlaps(pasteBounds) {
-		intersectBounds := dst.Bounds().Intersect(pasteBounds)
-
-		for y := intersectBounds.Min.Y; y < intersectBounds.Max.Y; y++ {
-			for x := intersectBounds.Min.X; x < intersectBounds.Max.X; x++ {
-				i := y*dst.Stride + x*4
-
-				srcX := x - pasteBounds.Min.X
-				srcY := y - pasteBounds.Min.Y
-				j := srcY*src.Stride + srcX*4
-
-				a1 := float64(dst.Pix[i+3])
-				a2 := float64(src.Pix[j+3])
-
-				coef2 := opacity * a2 / 255.0
-				coef1 := (1 - coef2) * a1 / 255.0
-				coefSum := coef1 + coef2
-				coef1 /= coefSum
-				coef2 /= coefSum
-
-				dst.Pix[i+0] = uint8(float64(dst.Pix[i+0])*coef1 + float64(src.Pix[j+0])*coef2)
-				dst.Pix[i+1] = uint8(float64(dst.Pix[i+1])*coef1 + float64(src.Pix[j+1])*coef2)
-				dst.Pix[i+2] = uint8(float64(dst.Pix[i+2])*coef1 + float64(src.Pix[j+2])*coef2)
-				dst.Pix[i+3] = uint8(math.Min(a1+a2*opacity*(255.0-a1)/255.0, 255.0))
-			}
-		}
-	}
-
-	return dst
-}