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Skip resizing if requested size bigger then original

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orian 2015-10-14 18:25:48 +02:00
parent 431898ec9a
commit 8efff4b6a9
2 changed files with 21 additions and 15 deletions
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26
transform_test.go
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@ -40,20 +40,22 @@ func newImage(w, h int, pixels ...color.NRGBA) image.Image {
func TestResizeParams(t *testing.T) {
src := image.NewNRGBA(image.Rect(0, 0, 64, 128))
tests := []struct {
opt Options
w,h int
opt Options
w, h int
resize bool
}{
{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},
{Options{Width: 0.5}, 32, 0, true},
{Options{Height: 0.5}, 0, 64, true},
{Options{Width: 0.5, Height: 0.5}, 32, 64, true},
{Options{Width: 100, Height: 200}, 0, 0, false},
{Options{Width: 100, Height: 200, ScaleUp: true}, 100, 200, true},
{Options{Width: 64}, 0, 0, false},
{Options{Height: 128}, 0, 0, false},
}
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)
for ti, tt := range tests {
w, h, resize := resizeParams(src, &tt.opt)
if w != tt.w || h != tt.h || resize != tt.resize {
t.Errorf("test %d problem, want: %d,%d,%t got: %d,%d,%t", ti, tt.w, tt.h, tt.resize, w, h, resize)
}
}
}