func NearestNeighbor(c config.Config) ColorStrategy {
imageSize := 1 << uint(((c.ColorCubeBitSize + c.ColorCubeBitSize + c.ColorCubeBitSize) / 2))
surface := workSurface.New(imageSize)
fileName := c.OutputFilename
cube := colorCube.New(uint8(c.ColorCubeBitSize))
return nearestNeighborStrategy{list.New(), color.RGBA{255, 255, 255, 255}, surface, fileName, cube}
}
func (s randomImageStrategy) GenerateImage(doneChan chan bool, imageUpdateChan chan ImageUpdate) {
imageSize := 1 << uint(((s.cube.BitSize + s.cube.BitSize + s.cube.BitSize) / 2))
surface := workSurface.New(imageSize)
for x := 0; x < surface.Size; x++ {
for y := 0; y < surface.Size; y++ {
R := uint8(rand.Intn(256))
G := uint8(rand.Intn(256))
B := uint8(rand.Intn(256))
surface.SetColorRGB(x, y, R, G, B)
surface.SetUsed(x, y)
}
}
surface.ToPng(s.fileName)
doneChan <- true
}
func (s iteratorStrategy) GenerateImage(doneChan chan bool, imageUpdateChan chan ImageUpdate) {
imageSize := 1 << uint(((s.cube.BitSize + s.cube.BitSize + s.cube.BitSize) / 2))
surface := workSurface.New(imageSize)
colorStorage := make([]color.RGBA, imageSize*imageSize)
nextColorSpace := 0
for x := 0; x < s.cube.SideSize; x++ {
for y := 0; y < s.cube.SideSize; y++ {
for z := 0; z < s.cube.SideSize; z++ {
colorStorage[nextColorSpace] = s.cube.GetColor(x, y, z)
nextColorSpace++
}
}
}
nextColorSpace = 0
for x := 0; x < surface.Size; x++ {
for y := 0; y < surface.Size; y++ {
surface.SetColor(x, y, colorStorage[nextColorSpace])
surface.SetUsed(x, y)
nextColorSpace++
}
}
surface.ToPng(s.fileName)
doneChan <- true
}