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Diffstat (limited to 'cmd/pggraph')
-rw-r--r--cmd/pggraph/main.go14
1 files changed, 8 insertions, 6 deletions
diff --git a/cmd/pggraph/main.go b/cmd/pggraph/main.go
index 12b2f52..6c13fe2 100644
--- a/cmd/pggraph/main.go
+++ b/cmd/pggraph/main.go
@@ -166,17 +166,19 @@ func main() {
log.Fatalf("Could not decode image: %v\n", err)
}
b := img.Bounds()
- gray := image.NewGray(image.Rect(0, 0, b.Dx(), b.Dy()))
- draw.Draw(gray, b, img, b.Min, draw.Src)
if *vertical {
- gray = sideways(gray)
+ gray := image.NewGray(b)
+ draw.Draw(gray, b, img, b.Min, draw.Src)
+ img = sideways(gray)
+ b = img.Bounds()
}
- integral := integralimg.ToIntegralImg(gray)
+ intImg := integralimg.NewImage(b)
+ draw.Draw(intImg, b, img, b.Min, draw.Src)
points := make(map[int]float64)
- maxx := len(integral[0]) - 1
+ maxx := b.Dx() - 1
for x := 0; x+*width < maxx; x += *width {
- w := integral.GetVerticalWindow(x, *width)
+ w := intImg.GetVerticalWindow(x, *width)
points[x] = w.Proportion()
}