Updating server dependancies (#5249)

vendor/github.com/disintegration/imaging/resize.go

@@ -128,20 +128,21 @@ func resizeHorizontal(src *image.NRGBA, width int, filter ResampleFilter) *image
 	parallel(dstH, func(partStart, partEnd int) {
 		for dstY := partStart; dstY < partEnd; dstY++ {
 			for dstX := 0; dstX < dstW; dstX++ {
-				var c [4]int32
+				var c [4]int64
 				for _, iw := range weights[dstX].iwpairs {
 					i := dstY*src.Stride + iw.i*4
-					c[0] += int32(src.Pix[i+0]) * iw.w
-					c[1] += int32(src.Pix[i+1]) * iw.w
-					c[2] += int32(src.Pix[i+2]) * iw.w
-					c[3] += int32(src.Pix[i+3]) * iw.w
+					a := int64(src.Pix[i+3]) * int64(iw.w)
+					c[0] += int64(src.Pix[i+0]) * a
+					c[1] += int64(src.Pix[i+1]) * a
+					c[2] += int64(src.Pix[i+2]) * a
+					c[3] += a
 				}
 				j := dstY*dst.Stride + dstX*4
 				sum := weights[dstX].wsum
-				dst.Pix[j+0] = clampint32(int32(float32(c[0])/float32(sum) + 0.5))
-				dst.Pix[j+1] = clampint32(int32(float32(c[1])/float32(sum) + 0.5))
-				dst.Pix[j+2] = clampint32(int32(float32(c[2])/float32(sum) + 0.5))
-				dst.Pix[j+3] = clampint32(int32(float32(c[3])/float32(sum) + 0.5))
+				dst.Pix[j+0] = clampint32(int32(float64(c[0])/float64(c[3]) + 0.5))
+				dst.Pix[j+1] = clampint32(int32(float64(c[1])/float64(c[3]) + 0.5))
+				dst.Pix[j+2] = clampint32(int32(float64(c[2])/float64(c[3]) + 0.5))
+				dst.Pix[j+3] = clampint32(int32(float64(c[3])/float64(sum) + 0.5))
 			}
 		}
 	})
@@ -165,20 +166,21 @@ func resizeVertical(src *image.NRGBA, height int, filter ResampleFilter) *image.
 
 		for dstX := partStart; dstX < partEnd; dstX++ {
 			for dstY := 0; dstY < dstH; dstY++ {
-				var c [4]int32
+				var c [4]int64
 				for _, iw := range weights[dstY].iwpairs {
 					i := iw.i*src.Stride + dstX*4
-					c[0] += int32(src.Pix[i+0]) * iw.w
-					c[1] += int32(src.Pix[i+1]) * iw.w
-					c[2] += int32(src.Pix[i+2]) * iw.w
-					c[3] += int32(src.Pix[i+3]) * iw.w
+					a := int64(src.Pix[i+3]) * int64(iw.w)
+					c[0] += int64(src.Pix[i+0]) * a
+					c[1] += int64(src.Pix[i+1]) * a
+					c[2] += int64(src.Pix[i+2]) * a
+					c[3] += a
 				}
 				j := dstY*dst.Stride + dstX*4
 				sum := weights[dstY].wsum
-				dst.Pix[j+0] = clampint32(int32(float32(c[0])/float32(sum) + 0.5))
-				dst.Pix[j+1] = clampint32(int32(float32(c[1])/float32(sum) + 0.5))
-				dst.Pix[j+2] = clampint32(int32(float32(c[2])/float32(sum) + 0.5))
-				dst.Pix[j+3] = clampint32(int32(float32(c[3])/float32(sum) + 0.5))
+				dst.Pix[j+0] = clampint32(int32(float64(c[0])/float64(c[3]) + 0.5))
+				dst.Pix[j+1] = clampint32(int32(float64(c[1])/float64(c[3]) + 0.5))
+				dst.Pix[j+2] = clampint32(int32(float64(c[2])/float64(c[3]) + 0.5))
+				dst.Pix[j+3] = clampint32(int32(float64(c[3])/float64(sum) + 0.5))
 			}
 		}