mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-25 19:28:57 +01:00
135 lines
3.3 KiB
Go
135 lines
3.3 KiB
Go
// Copyright 2016 The Ebiten Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package restorable_test
|
|
|
|
import (
|
|
"image"
|
|
"image/color"
|
|
"image/color/palette"
|
|
"testing"
|
|
|
|
. "github.com/hajimehoshi/ebiten/internal/restorable"
|
|
)
|
|
|
|
func TestCopyImage(t *testing.T) {
|
|
pal := make(color.Palette, 256)
|
|
for i := range pal {
|
|
pal[i] = color.White
|
|
}
|
|
p := make([]color.Color, 255)
|
|
for i := range p {
|
|
if i == 64 {
|
|
p[i] = color.White
|
|
} else {
|
|
p[i] = color.Transparent
|
|
}
|
|
}
|
|
bigPalette := color.Palette(p)
|
|
cases := []struct {
|
|
In image.Image
|
|
Out *image.RGBA
|
|
}{
|
|
{
|
|
In: &image.Paletted{
|
|
Pix: []uint8{0, 1, 1, 0},
|
|
Stride: 2,
|
|
Rect: image.Rect(0, 0, 2, 2),
|
|
Palette: color.Palette([]color.Color{
|
|
color.Transparent, color.White,
|
|
}),
|
|
},
|
|
Out: &image.RGBA{
|
|
Pix: []uint8{0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0},
|
|
Stride: 8,
|
|
Rect: image.Rect(0, 0, 2, 2),
|
|
},
|
|
},
|
|
{
|
|
In: image.NewPaletted(image.Rect(0, 0, 240, 160), pal).SubImage(image.Rect(238, 158, 240, 160)),
|
|
Out: &image.RGBA{
|
|
Pix: []uint8{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
|
|
Stride: 8,
|
|
Rect: image.Rect(0, 0, 2, 2),
|
|
},
|
|
},
|
|
{
|
|
In: &image.RGBA{
|
|
Pix: []uint8{0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0},
|
|
Stride: 8,
|
|
Rect: image.Rect(0, 0, 2, 2),
|
|
},
|
|
Out: &image.RGBA{
|
|
Pix: []uint8{0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0},
|
|
Stride: 8,
|
|
Rect: image.Rect(0, 0, 2, 2),
|
|
},
|
|
},
|
|
{
|
|
In: &image.Paletted{
|
|
Pix: []uint8{0, 64, 0, 0},
|
|
Stride: 2,
|
|
Rect: image.Rect(0, 0, 2, 2),
|
|
Palette: bigPalette,
|
|
},
|
|
Out: &image.RGBA{
|
|
Pix: []uint8{0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
|
|
Stride: 8,
|
|
Rect: image.Rect(0, 0, 2, 2),
|
|
},
|
|
},
|
|
}
|
|
for _, c := range cases {
|
|
got := CopyImage(c.In)
|
|
if got.Rect != c.Out.Rect {
|
|
t.Errorf("Rect: %v, want: %v", got.Rect, c.Out.Rect)
|
|
}
|
|
size := got.Rect.Size()
|
|
w, h := size.X, size.Y
|
|
for j := 0; j < h; j++ {
|
|
for i := 0; i < w; i++ {
|
|
got := got.At(i, j)
|
|
want := c.Out.At(i, j)
|
|
if got != want {
|
|
t.Errorf("At(%d, %d): %v, want: %v", i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkCopyImageRGBA(b *testing.B) {
|
|
img := image.NewRGBA(image.Rect(0, 0, 4096, 4096))
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
CopyImage(img)
|
|
}
|
|
}
|
|
|
|
func BenchmarkCopyImageNRGBA(b *testing.B) {
|
|
img := image.NewNRGBA(image.Rect(0, 0, 4096, 4096))
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
CopyImage(img)
|
|
}
|
|
}
|
|
|
|
func BenchmarkCopyImagePaletted(b *testing.B) {
|
|
img := image.NewPaletted(image.Rect(0, 0, 4096, 4096), palette.Plan9)
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
CopyImage(img)
|
|
}
|
|
}
|