1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// +build linux,386 linux,amd64
package unicorn
import (
"image"
"github.com/veandco/go-sdl2/sdl"
)
type FakeUnicorn2 struct {
*BaseUnicorn2
*BaseFakeUnicorn
}
func (u *FakeUnicorn2) renderImage(im image.Image) {
b := im.Bounds()
width, height := b.Dx(), b.Dy()
for x := 0; x < width; x++ {
for y := 0; y < height; y++ {
col := im.At(x, y)
r, g, b, _ := col.RGBA()
// Ignore alpha for now, not worked out how it should work on real unicorn
if err := u.renderer.SetDrawColor(uint8(r), uint8(g), uint8(b), uint8(255)); err != nil {
panic(err)
}
cellWidth := u.displayWidth / int32(width)
cellHeight := u.displayHeight / int32(height)
if err := u.renderer.FillRect(&sdl.Rect{
X: cellWidth * int32(x),
Y: u.displayHeight - (cellHeight * int32(y)) - cellHeight, // SDL Y coordinate is from the top
W: cellWidth,
H: cellHeight,
}); err != nil {
panic(err)
}
}
}
u.renderer.Present()
}
func (u *FakeUnicorn2) StartRender() chan bool {
return u.StartRenderBase(u.renderImage)
}
func NewUnicorn2() (*FakeUnicorn2, error) {
baseFake, err := NewBaseFakeUnicorn(300, 300)
if err != nil {
return nil, err
}
return &FakeUnicorn2{
NewBaseUnicorn2(),
baseFake,
}, nil
}
|
