Gibson wrote:
[...]
> protected void onDraw(Canvas canvas) {
> Paint paint = new Paint();
> paint.setARGB(255, 255, 255, 255);
> canvas.drawRect(0, 0, screenWidth, screenHeight, paint);
> canvas.drawBitmap(bitmap, 10, 10, null);
> int[] imagedata = new int[100 * 100];
> bitmap.getPixels(imagedata, 0, 100, 0, 0, 100, 100);
> bitmap.setPixels(imagedata, 0, 100, 0, 0, 100, 100);
Without knowing for certain, I suspect that your bitmap is in RGB565
format. Pixel data is always in ARGB888 format, so whenever you call
setPixels() it does lossy format conversion. You may want to turn off
dithering, as this will introduce noise.
--
David Given
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