Merge pull request #38 from tschaub/subimage

fogleman · web-flow · commit a9ff18eccd6d · 2018-03-16T10:14:17.000-04:00
Start copying at bounds min instead of zero point
diff --git a/util.go b/util.go
@@ -54,8 +54,9 @@ func SavePNG(path string, im image.Image) error {
 }
 
 func imageToRGBA(src image.Image) *image.RGBA {
-	dst := image.NewRGBA(src.Bounds())
-	draw.Draw(dst, dst.Rect, src, image.ZP, draw.Src)
+	bounds := src.Bounds()
+	dst := image.NewRGBA(bounds)
+	draw.Draw(dst, bounds, src, bounds.Min, draw.Src)
 	return dst
 }
 

Original file line number	Diff line number	Diff line change
`@@ -54,8 +54,9 @@ func SavePNG(path string, im image.Image) error {`
`54`	`54`	`}`
`55`	`55`
`56`	`56`	`func imageToRGBA(src image.Image) *image.RGBA {`
`57`		`- dst := image.NewRGBA(src.Bounds())`
`58`		`- draw.Draw(dst, dst.Rect, src, image.ZP, draw.Src)`
	`57`	`+ bounds := src.Bounds()`
	`58`	`+ dst := image.NewRGBA(bounds)`
	`59`	`+ draw.Draw(dst, bounds, src, bounds.Min, draw.Src)`
`59`	`60`	`return dst`
`60`	`61`	`}`
`61`	`62`