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  drawImage bug in WTK2?  (Read 868 times)
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Offline whisperwind

Innocent Bystander




Java games rock!


« Posted 2004-08-22 14:59:46 »

hi,

i'm wondering if anyone could help me with the following code fragment:

for (int j = 0; j < 10; j++) g.drawImage(image_font, 8 - j*2, 10 + ( j*8 ), Graphics.TOP | Graphics.LEFT);

the output in wtk1.0.4 is given here:
http://homepage.swissonline.ch/crest/wtk104.png

that's what i expected it to do: it's drawing an image several times among each other, shiftig it to pixels left each time.

that's now the output in wtk2:
http://homepage.swissonline.ch/crest/wtk2.png

it seems to me that as soon the image reaches the left border of the screen (co-ordinate gets <0), the image content is not shifted left correctly anymore (note that though the content stays on the same place, the length of the image on the right border decreases). if the coordinate is < -8 or so, the image gets shifted correctly left by these 8 pixels, but stays then again until the co-ordinate is -15.

i encountered this clipping problem only on the left border, the others seem to work. also, WTK 2.2 beta shows the same behaviour, so i decided to post it here.

how to you guys paint sprites (compatible to MIDP 1) if drawImage is not working?
Offline OverKill

Junior Member




Java games rock!


« Reply #1 - Posted 2004-08-23 08:26:49 »

Well that is a new one, at least for me.
Unfortunetly I cannot really help you with the WTK because we use our own system that directly uses the SDKs of the devices.

But I do know such problems and you are probably correct.
Have you tried clipping your image yourself?
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