[haiku-development] Re: Blitting
- From: "Jonas Sundström" <jonas@xxxxxxxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Mon, 14 Sep 2009 22:48:25 +0200 CEST
Caitlin Shaw <rogueeve@xxxxxxxxxxxxx> wrote:
> I'm wondering what kind of support does Haiku offer for
> what's commonly called "bit-block-transfer" or "copybits"
> (within normal applications, not talking about the Game Kit).
>
> I've managed to:
>
> * Implement an off-screen buffer by creating a BBitmap and
> associating
> it with a BView, then blitting the buffer to the screen by calling
> DrawBitmap on the target BView, and,
...
> It seems that surely there would be some function which
> takes two BViews and copies between
Doesn't BView::DrawBitmap(const BBitmap* image, BRect source,
BRect destination) let you copy a specific part of your off-
screen bitmap into your on-screen view?
/Jonas.
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