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slight scanline effect

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This commit is contained in:
Irmen de Jong 2019-09-25 23:35:21 +02:00
parent 88c1688a41
commit 42dfb80cc1
1 changed files with 10 additions and 2 deletions
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12
src/main/kotlin/razorvine/c64emu/GUI.kt
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@ -77,14 +77,22 @@ private class BitmapScreenPanel(val chargenData: ByteArray, val ram: MemoryCompo
override fun paint(graphics: Graphics?) {
redrawCharacters()
val g2d = graphics as Graphics2D?
g2d!!.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF)
val g2d = graphics as Graphics2D
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF)
g2d.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DISABLE)
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC)
g2d.drawImage(
image, 0, 0, (image.width * ScreenDefs.DISPLAY_PIXEL_SCALING).toInt(),
(image.height * ScreenDefs.DISPLAY_PIXEL_SCALING).toInt(), null
)
// simulate a slight scan line effect
g2d.color = Color(0, 0, 0, 25)
for (y in ScreenDefs.DISPLAY_PIXEL_SCALING.toInt() - 1
until (ScreenDefs.SCREEN_HEIGHT * ScreenDefs.DISPLAY_PIXEL_SCALING).toInt()
step ScreenDefs.DISPLAY_PIXEL_SCALING.toInt()) {
g2d.drawLine(0, y, ScreenDefs.SCREEN_WIDTH * ScreenDefs.DISPLAY_PIXEL_SCALING.toInt(), y)
}
}
private fun redrawCharacters() {