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package gpu
import java.awt.Color
import java.awt.image.BufferedImage
import java.io.File
import javax.imageio.ImageIO
class TestPatternGpu : Gpu {
private val SCALING_FACTOR = 4
private val frame = BufferedImage(160 * SCALING_FACTOR, 144 * SCALING_FACTOR, BufferedImage.TYPE_INT_RGB)
private var lastColour = Color.BLACK
override fun setPixel(x: Int, y: Int, colour: Color) {
(0 until SCALING_FACTOR).forEach { xOffset ->
(0 until SCALING_FACTOR).forEach { yOffset ->
frame.setRGB((x * SCALING_FACTOR) + xOffset, (y * SCALING_FACTOR) + yOffset, colour.rgb)
}
}
}
override fun getFrame(): BufferedImage {
(0 until 144).forEach { y ->
if(y % 4 == 0) {
swapColour()
}
(0 until 160).forEach { x ->
if(x % 4 == 0) {
swapColour()
}
setPixel(x, y, lastColour)
}
}
return frame
}
private fun swapColour() {
lastColour = if(lastColour == Color.BLACK) {
Color.WHITE
} else {
Color.BLACK
}
}
}
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