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graphics: Refactoring

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This commit is contained in:
Hajime Hoshi 2016-07-13 12:40:21 +09:00
parent 1627176d59
commit b733f03489
1 changed files with 34 additions and 34 deletions
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68
imageimpl.go
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@ -267,50 +267,50 @@ func (i *imageImpl) restore(context *opengl.Context) error {
}
return nil
}
if !i.volatile {
img := image.NewRGBA(image.Rect(0, 0, i.width, i.height))
if i.pixels != nil {
for j := 0; j < i.height; j++ {
copy(img.Pix[j*img.Stride:], i.pixels[j*i.width*4:(j+1)*i.width*4])
}
} else if i.baseColor != nil {
r32, g32, b32, a32 := i.baseColor.RGBA()
r, g, b, a := uint8(r32), uint8(g32), uint8(b32), uint8(a32)
for idx := 0; idx < len(img.Pix)/4; idx++ {
img.Pix[4*idx] = r
img.Pix[4*idx+1] = g
img.Pix[4*idx+2] = b
img.Pix[4*idx+3] = a
}
}
if i.volatile {
var err error
i.image, err = graphics.NewImageFromImage(img, glFilter(i.filter))
i.image, err = graphics.NewImage(i.width, i.height, glFilter(i.filter))
if err != nil {
return err
}
for _, c := range i.drawImageHistory {
if c.image.impl.hasHistory() {
panic("not reach")
}
if err := i.image.DrawImage(c.image.impl.image, c.vertices, &c.geom, &c.colorm, c.mode); err != nil {
return err
}
}
if 0 < len(i.drawImageHistory) {
i.pixels, err = i.image.Pixels(context)
if err != nil {
return err
}
}
i.baseColor = nil
i.drawImageHistory = nil
return nil
}
img := image.NewRGBA(image.Rect(0, 0, i.width, i.height))
if i.pixels != nil {
for j := 0; j < i.height; j++ {
copy(img.Pix[j*img.Stride:], i.pixels[j*i.width*4:(j+1)*i.width*4])
}
} else if i.baseColor != nil {
r32, g32, b32, a32 := i.baseColor.RGBA()
r, g, b, a := uint8(r32), uint8(g32), uint8(b32), uint8(a32)
for idx := 0; idx < len(img.Pix)/4; idx++ {
img.Pix[4*idx] = r
img.Pix[4*idx+1] = g
img.Pix[4*idx+2] = b
img.Pix[4*idx+3] = a
}
}
var err error
i.image, err = graphics.NewImage(i.width, i.height, glFilter(i.filter))
i.image, err = graphics.NewImageFromImage(img, glFilter(i.filter))
if err != nil {
return err
}
for _, c := range i.drawImageHistory {
if c.image.impl.hasHistory() {
panic("not reach")
}
if err := i.image.DrawImage(c.image.impl.image, c.vertices, &c.geom, &c.colorm, c.mode); err != nil {
return err
}
}
if 0 < len(i.drawImageHistory) {
i.pixels, err = i.image.Pixels(context)
if err != nil {
return err
}
}
i.baseColor = nil
i.drawImageHistory = nil
return nil
}