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Extract resizeParams method.

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orian 2015-10-14 18:15:57 +02:00
parent 5f5df0c860
commit 431898ec9a
2 changed files with 29 additions and 6 deletions
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21
transform_test.go
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@ -37,6 +37,27 @@ func newImage(w, h int, pixels ...color.NRGBA) image.Image {
return m
}
func TestResizeParams(t *testing.T) {
src := image.NewNRGBA(image.Rect(0, 0, 64, 128))
tests := []struct {
opt Options
w,h int
}{
{Options{Width:0.5}, 32, 0},
{Options{Height:0.5}, 0, 64},
{Options{Width:0.5, Height:0.5}, 32, 64},
{Options{Width:100, Height: 200}, 64, 128},
{Options{Width:64}, 64, 0},
{Options{Height:128}, 0, 128},
}
for ti,tt := range tests {
w,h := resizeParams(src, &tt.opt)
if w != tt.w || h!= tt.h {
t.Errorf("test %d problem, want: %d,%d got: %d,%d", ti, tt.w, tt.h, w, h)
}
}
}
func TestTransform(t *testing.T) {
src := newImage(2, 2, red, green, blue, yellow)