34 lines
734 B
Go
34 lines
734 B
Go
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package portable
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import (
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"image"
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"image/color"
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"image/draw"
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"testing"
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)
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func TestAffine(t *testing.T) {
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red := color.RGBA{0xff, 0, 0, 0xff}
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dst := image.NewRGBA(image.Rect(0, 0, 30, 30))
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src := image.NewRGBA(dst.Bounds())
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draw.Draw(src, src.Bounds(), image.NewUniform(red), image.Point{}, draw.Src)
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affine(dst, src, [3][3]float32{
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{1, 0, 0},
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{0, 1, 0},
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{0, 0, 1},
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})
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for y := 0; y < dst.Bounds().Dy(); y++ {
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for x := 0; x < dst.Bounds().Dx(); x++ {
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if c := dst.At(x, y); c != red {
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t.Fatalf("At(%d, %d) = %v, want red", x, y, c)
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}
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}
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}
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}
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