diff options
Diffstat (limited to 'Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/blur_test.go')
| -rw-r--r-- | Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/blur_test.go | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/blur_test.go b/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/blur_test.go deleted file mode 100644 index 1d84fa604..000000000 --- a/Godeps/_workspace/src/code.google.com/p/graphics-go/graphics/blur_test.go +++ /dev/null @@ -1,207 +0,0 @@ -// Copyright 2011 The Graphics-Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package graphics - -import ( - "code.google.com/p/graphics-go/graphics/graphicstest" - "image" - "image/color" - "testing" - - _ "image/png" -) - -var blurOneColorTests = []transformOneColorTest{ - { - "1x1-blank", 1, 1, 1, 1, - &BlurOptions{0.83, 1}, - []uint8{0xff}, - []uint8{0xff}, - }, - { - "1x1-spreadblank", 1, 1, 1, 1, - &BlurOptions{0.83, 2}, - []uint8{0xff}, - []uint8{0xff}, - }, - { - "3x3-blank", 3, 3, 3, 3, - &BlurOptions{0.83, 2}, - []uint8{ - 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, - }, - []uint8{ - 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, - }, - }, - { - "3x3-dot", 3, 3, 3, 3, - &BlurOptions{0.34, 1}, - []uint8{ - 0x00, 0x00, 0x00, - 0x00, 0xff, 0x00, - 0x00, 0x00, 0x00, - }, - []uint8{ - 0x00, 0x03, 0x00, - 0x03, 0xf2, 0x03, - 0x00, 0x03, 0x00, - }, - }, - { - "5x5-dot", 5, 5, 5, 5, - &BlurOptions{0.34, 1}, - []uint8{ - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0xff, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - }, - []uint8{ - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x03, 0x00, 0x00, - 0x00, 0x03, 0xf2, 0x03, 0x00, - 0x00, 0x00, 0x03, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - }, - }, - { - "5x5-dot-spread", 5, 5, 5, 5, - &BlurOptions{0.85, 1}, - []uint8{ - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0xff, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - }, - []uint8{ - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x10, 0x20, 0x10, 0x00, - 0x00, 0x20, 0x40, 0x20, 0x00, - 0x00, 0x10, 0x20, 0x10, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - }, - }, - { - "4x4-box", 4, 4, 4, 4, - &BlurOptions{0.34, 1}, - []uint8{ - 0x00, 0x00, 0x00, 0x00, - 0x00, 0xff, 0xff, 0x00, - 0x00, 0xff, 0xff, 0x00, - 0x00, 0x00, 0x00, 0x00, - }, - []uint8{ - 0x00, 0x03, 0x03, 0x00, - 0x03, 0xf8, 0xf8, 0x03, - 0x03, 0xf8, 0xf8, 0x03, - 0x00, 0x03, 0x03, 0x00, - }, - }, - { - "5x5-twodots", 5, 5, 5, 5, - &BlurOptions{0.34, 1}, - []uint8{ - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x96, 0x00, 0x96, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - }, - []uint8{ - 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x02, 0x00, 0x02, 0x00, - 0x02, 0x8e, 0x04, 0x8e, 0x02, - 0x00, 0x02, 0x00, 0x02, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, - }, - }, -} - -func TestBlurOneColor(t *testing.T) { - for _, oc := range blurOneColorTests { - dst := oc.newDst() - src := oc.newSrc() - opt := oc.opt.(*BlurOptions) - if err := Blur(dst, src, opt); err != nil { - t.Fatal(err) - } - - if !checkTransformTest(t, &oc, dst) { - continue - } - } -} - -func TestBlurEmpty(t *testing.T) { - empty := image.NewRGBA(image.Rect(0, 0, 0, 0)) - if err := Blur(empty, empty, nil); err != nil { - t.Fatal(err) - } -} - -func TestBlurGopher(t *testing.T) { - src, err := graphicstest.LoadImage("../testdata/gopher.png") - if err != nil { - t.Fatal(err) - } - - dst := image.NewRGBA(src.Bounds()) - if err = Blur(dst, src, &BlurOptions{StdDev: 1.1}); err != nil { - t.Fatal(err) - } - - cmp, err := graphicstest.LoadImage("../testdata/gopher-blur.png") - if err != nil { - t.Fatal(err) - } - err = graphicstest.ImageWithinTolerance(dst, cmp, 0x101) - if err != nil { - t.Fatal(err) - } -} - -func benchBlur(b *testing.B, bounds image.Rectangle) { - b.StopTimer() - - // Construct a fuzzy image. - src := image.NewRGBA(bounds) - for y := bounds.Min.Y; y < bounds.Max.Y; y++ { - for x := bounds.Min.X; x < bounds.Max.X; x++ { - src.SetRGBA(x, y, color.RGBA{ - uint8(5 * x % 0x100), - uint8(7 * y % 0x100), - uint8((7*x + 5*y) % 0x100), - 0xff, - }) - } - } - dst := image.NewRGBA(bounds) - - b.StartTimer() - for i := 0; i < b.N; i++ { - Blur(dst, src, &BlurOptions{0.84, 3}) - } -} - -func BenchmarkBlur400x400x3(b *testing.B) { - benchBlur(b, image.Rect(0, 0, 400, 400)) -} - -// Exactly twice the pixel count of 400x400. -func BenchmarkBlur400x800x3(b *testing.B) { - benchBlur(b, image.Rect(0, 0, 400, 800)) -} - -// Exactly twice the pixel count of 400x800 -func BenchmarkBlur400x1600x3(b *testing.B) { - benchBlur(b, image.Rect(0, 0, 400, 1600)) -} |