transforms: Fix the logic which getting a size of image

2018-08-19 16:28:14 +09:00 · 2018-08-19 16:28:14 +09:00 · d41c941ded
commit d41c941ded
parent 9435cae35d
1 changed files with 1 additions and 1 deletions
--- a/transforms/pixels.go
+++ b/transforms/pixels.go
@ -11,7 +11,7 @@ import (
 // Rgb2Gray function converts RGB to a gray scale array.
 func Rgb2Gray(colorImg image.Image) [][]float64 {
 	bounds := colorImg.Bounds()
-	w, h := bounds.Max.X, bounds.Max.Y
+	w, h := bounds.Max.X-bounds.Min.X, bounds.Max.Y-bounds.Min.Y
 	pixels := make([][]float64, h)

 	for i := range pixels {