comctl32: Hack for imagelist width greater than 2^16 (bug #3573)
Marcus Meissner
meissner at suse.de
Tue Oct 24 04:36:10 CDT 2006
On Tue, Oct 24, 2006 at 06:11:30PM +0900, Mike McCormack wrote:
> ---
>
> This hack is for bug #3573. I don't expect it to be applied to Wine,
> but perhaps it will give somebody some insight into solving the bug.
>
> WinRAR calls ImageList create and asks for an ImageList for 256 images,
> *expandable* to 2048. It doesn't actually use 2048 images:
>
> ImageList_Create (16 16 0x21 256 2048)
>
> 2048*256 is a bitmap wider than X.org wants, so it fails with a BadAlloc
> error.
Actually 2048*16 is too wide.
> The correct solution is to rewrite the imagelist code to either
>
> 1) Allocate the bitmap on demand
>
> or
>
> 2) Store images in separate DIB sections.
3) Allocate in a 4 image deep band like Windows does.
Ciao, Marcus
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