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HBITMAP issue.

HBITMAP issue.

HBITMAP issue.

Im writing an sprite class and I have ran into a problem.


CopiedSprite.sImage->SpritePos.x = (SelectedSprite.sImage->SpritePos.x + 20);
CopiedSprite.sImage->SpritePos.y = (SelectedSprite.sImage->SpritePos.y + 20);
*CopiedSprite.sImage->hBitmap = *SelectedSprite.sImage->hBitmap;
::GetObject(CopiedSprite.sImage->hBitmap, sizeof (BITMAP), &CopiedSprite.sImage->Bitmap);
CopiedSprite.sImage->hBitmap = SelectedSprite.sImage->hBitmap;

In the red bold is my problem. I need to copy the bitmap that HBITMAP points to to another HBITMAP. I tried to simply dereference both hBitmaps so that it would copy the bitmap, and it compiles, but I get a runtime issue that just kicks me out when it reaches that line.

Does the winAPI have a function or something for copying a bitmap that an hbitmap points to into another hbitmap?


RE: HBITMAP issue.

Try looking up bitblt (bit blast).  I'm assuming that you have creted a device compatible bitmap and pointed the CopiedSprit.sImage->hBitmap to it.

RE: HBITMAP issue.

Just so you know: the 'blt' in 'bitblt' is for 'blit' not 'blast' (and was originally short for Block Transfer)

RE: HBITMAP issue.

You can use the CopyImage API function which can duplicate an existing bitmap.

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