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AppGameKit Classic Chat / getImageWidth and getImageHeight don't answer good values ?

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pprem
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Location: Paris, France
Posted: 6th Oct 2013 23:47
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Hi

I have a background image of 2318x1594px

I load it and copy the part I need to use depending on device size.

For my PC on Windows, it's good in window and full screen mode.

On a Mac and iOS devices, the picture is truncated !

On iOS (iPad, iPod Touch and iPhone), the size is 579x398 after LoadImage.

On Mac OS (iMac and Mac Book Pro), its size is 1159x797.

Why AppGameKit don't load the image correctly ?

I'm using AppGameKit 108b19

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Patrick P.
http://www.gamolf.fr
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Digital Awakening
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Posted: 6th Oct 2013 23:53
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Are you using the default percentage system? Try using SetVirtualResolution(). Also, not all devices can use images that large. Not sure what happens in that case, your problem could be related to that. 1024x1024 is the recommended maximum size for mobile devices. Not all graphics cards can handle images larger than 2048x2048 either.

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Markus
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Posted: 7th Oct 2013 00:19 Edited at: 7th Oct 2013 00:19
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maybe try this command and use power of 2 size textures.
SetResolutionMode( mode )
1 to use a high (native) resolution
0 to use a low (scaled) resolution
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pprem
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Posted: 7th Oct 2013 10:09
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I'm using pixel mode et tried the two SetResolutionMode. Same problem.

I think it's a limit with graphic library. On mobile devices like iPhone or iPod Touch, I can understand, but why Mac and Windows don't have same capabilities ?

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Patrick P.
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Markus
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Posted: 7th Oct 2013 13:52
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then maybe you are over the max. size limit that the graphics card can handle. else i would also expect the original image size
at native resolution mode.

there exist also a SetIntendedDeviceSize( width, height ) func.
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Digital Awakening
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Posted: 7th Oct 2013 14:51
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It's not an OS problem. I would guess that your Mac can't handle an image larger than 2048x2048, due to limits in the graphics hardware.

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JimHawkins
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Posted: 7th Oct 2013 14:53
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It depends on the Open GL drivers.

-- Jim - When is there going to be a release?
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pprem
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Posted: 7th Oct 2013 21:46
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Quote: "It's not an OS problem. I would guess that your Mac can't handle an image larger than 2048x2048, due to limits in the graphics hardware."


on the Mac Book Pro Retina, I have don't think it's the hardware limits

Quote: "It depends on the Open GL drivers."


I suppose we can't change it in AppGameKit interpreter without having bad surprises ?

So, if TGC can do it with AppGameKit 2, it would be great.

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Patrick P.
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NoUJoe
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Posted: 8th Oct 2013 06:26
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Sorry if I'm being stupid, but I don't get the "it's too large for the graphics card to handle" part. Surely if you can open an image larger than 2048 x 2048 normally, as in just opening a jpeg in a folder on your computer. Then why is this not possible in a game? Is it a forced limitation due to the fact that a game will obviously load many images?
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JimHawkins
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Posted: 8th Oct 2013 08:44
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It's Open GL - it treats all images as textures, and imposes a limit. This frequently 1024x1024, but will be 2048x2048 on some systems. As far as I can see the max is 2048x2048 on a Macbook, and must be a power of two.

-- Jim - When is there going to be a release?
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