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buffered: Refactoring

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This commit is contained in:
Hajime Hoshi 2020-02-16 20:03:04 +09:00
parent 405ae99b32
commit 911b36ed98
1 changed files with 12 additions and 18 deletions
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30
internal/buffered/image.go
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@ -136,22 +136,19 @@ func (i *Image) Set(x, y int, r, g, b, a byte) error {
defer delayedCommandsM.Unlock()
if needsToDelayCommands {
delayedCommands = append(delayedCommands, func() error {
return i.set(x, y, r, g, b, a)
return i.Set(x, y, r, g, b, a)
})
return nil
}
return i.set(x, y, r, g, b, a)
}
func (img *Image) set(x, y int, r, g, b, a byte) error {
w, h := img.width, img.height
if img.pixels == nil {
w, h := i.width, i.height
if i.pixels == nil {
pix := make([]byte, 4*w*h)
idx := 0
img := i.img
for j := 0; j < h; j++ {
for i := 0; i < w; i++ {
r, g, b, a, err := img.img.At(i, j)
r, g, b, a, err := img.At(i, j)
if err != nil {
return err
}
@ -162,13 +159,13 @@ func (img *Image) set(x, y int, r, g, b, a byte) error {
idx++
}
}
img.pixels = pix
i.pixels = pix
}
img.pixels[4*(x+y*w)] = r
img.pixels[4*(x+y*w)+1] = g
img.pixels[4*(x+y*w)+2] = b
img.pixels[4*(x+y*w)+3] = a
img.needsToResolvePixels = true
i.pixels[4*(x+y*w)] = r
i.pixels[4*(x+y*w)+1] = g
i.pixels[4*(x+y*w)+2] = b
i.pixels[4*(x+y*w)+3] = a
i.needsToResolvePixels = true
return nil
}
@ -259,15 +256,12 @@ func (i *Image) DrawTriangles(src *Image, vertices []float32, indices []uint16,
if needsToDelayCommands {
delayedCommands = append(delayedCommands, func() error {
i.drawTriangles(src, vertices, indices, colorm, mode, filter, address)
i.DrawTriangles(src, vertices, indices, colorm, mode, filter, address)
return nil
})
return
}
i.drawTriangles(src, vertices, indices, colorm, mode, filter, address)
}
func (i *Image) drawTriangles(src *Image, vertices []float32, indices []uint16, colorm *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) {
src.resolvePendingPixels(true)
i.resolvePendingPixels(false)
i.img.DrawTriangles(src.img, vertices, indices, colorm, mode, filter, address)