I'm just guessing here, as I've never used GDI+ from C myself.
Error 2 is
"InvalidParameter" according to
http://msdn.microsoft.com/en-us/library/windows/desktop/ms534175(v=vs.85).aspx
Indicates that one of the arguments passed to the method was not valid.
Are you making a new BitmapData object for bitmapdata2?
On Sep 22, 2013, at 9:19 AM, Christian Schmitz <supp...@monkeybreadsoftware.de>
wrote:
>
> Am 22.09.2013 um 18:13 schrieb Michael Diehr <m...@xochi.com>:
>
>> As I understand it, the new-style picture images require gdiplus (GDI+) and
>> may require some different flags sent to the API
>> I see some examples discussing related issues…
>
>
> Current code looks like this:
>
> GpStatus e = _GdipBitmapLockBits(g, &r, flags, PixelFormat32bppPARGB,
> bitmapData2);
> DebugMessage("e",e);
> if (e == 2)
> {
> e = _GdipBitmapLockBits(g, &r, flags, PixelFormat32bppARGB,
> bitmapData2);
> DebugMessage("e",e);
> }
> if (e == 2)
> {
> DebugMessage("Try ARGB read and write");
> e = _GdipBitmapLockBits(g, &r, ImageLockModeRead|ImageLockModeWrite,
> PixelFormat32bppARGB, bitmapData2);
> DebugMessage("e",e);
> }
>
> So I try already several combinations.
> Flags should be ImageLockModeRead or ImageLockModeWrite depending on mode.
>
> Greetings
> Christian
>
> --
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>
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