Invalid Structure Size using LBitmapRgn::CreateMaskFromBitmapRgn()

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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Monday, September 26, 2005 12:36:22 AM(UTC)

Dave

Groups: Registered
Posts: 5

Hi,

I get a "Invalid structure size" error message whenever I try using the LBitmapRgn::CreateMaskFromBitmapRgn() function. First of all I tried using it with just the LBitmapBase parameter but found that the documentation is out of date, there is now another size parameter. However, even when copying the online example (below) it still returns an error.

LBitmapRgn lBmpRgn;
LBitmapBase lBmpMask;

   lBmpRgn.SetBitmap(destbmp->lBitmap); // this is the LBitmap in my image
   L_UINT uCombineMode = lBmpRgn.GetRgnCombineMode();
   uCombineMode |= L_RGN_OR;
   lBmpRgn.SetRgnCombineMode(uCombineMode);
   lBmpRgn.SetRgnColor(RGB(0,0,0));

// create mask region from bitmap
lBmpRgn.CreateMaskFromBitmapRgn(&lBmpMask, sizeof(lBmpMask));

Any ideas?

Thanks,
Dave.


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#2 Posted : Thursday, September 29, 2005 5:31:38 PM(UTC)

Amin

Groups: Manager, Tech Support
Posts: 367

Was thanked: 1 time(s) in 1 post(s)

The size you need to pass is that of the LEAD Bitmap Handle structure, which is sizeof(BITMAPHANDLE)

Edited by user Monday, December 5, 2016 4:36:39 PM(UTC) | Reason: Not specified

Amin Dodin

Senior Support Engineer
LEAD Technologies, Inc.

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