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DarkBASIC Professional Discussion / Bitmap region error

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Tamandt
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Posted: 24th Dec 2004 02:16
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Basically im trying to copy 32x32 tiles into a blank bitmap
Then copy that bitmap to the screen.

I get the error "region cannot exceed bitmap size"

can you help.
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Tamandt
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Posted: 24th Dec 2004 02:37
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Huh, my code didnt post, so here it is

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OSX Using Happy Dude
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Posted: 24th Dec 2004 02:41
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You have to be careful as the created size is (x-1)x(y-1), so its quite possible a pixel each way is exceeding the bitmap size.

Try Create Bitmap 3,641,481

Beware the cat... The alien... The heretic...
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Tamandt
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Posted: 24th Dec 2004 02:44
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Doing that causes "Source bitmap too large" error

But let me understand this,if i create a bitmap of 100x100 its actually only 99x99?
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Tamandt
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Posted: 24th Dec 2004 02:47
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One further note, using your suggestion of creating the image as 641x481 and using this:

copy bitmap 3,0,0,640,480,0,0,0,640,480

I still get the region error,
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Tamandt
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Posted: 24th Dec 2004 03:10
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God i love you guys. Ok it did have to do with the -1 thing.
Creating the image of 640x480 does create a 640x480 image, but from what I now understand is.

0-639x0-479

and my actual problem was i was trying to copy a 32x32 tile
as 0,0,32,32 which it should have been 0,0,31,31. While this makes sence to me as a programmer I took my example from the runner demo and it does not use -1. Why it works i dunno. I also had a sprite of a walking character i did myself without using -1, which worked too. I corrected it now.

So im not sure why it worked on the sprite end and not the bitmap end. Maybe Get Image dymanically resizes? who knows. Thanks though, everything works now,
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