[haiku-3rdparty-dev] Re: GetHeightForWidth
- From: Ingo Weinhold <ingo_weinhold@xxxxxx>
- To: haiku-3rdparty-dev@xxxxxxxxxxxxx
- Date: Sat, 02 Jul 2011 16:59:16 +0200
On 2011-07-02 at 12:44:13 [+0200], ciprian.nedisan@xxxxxxxxxxxx wrote:
> How does View::GetHeightForWidth work?
> I was hoping that I could enforce a fixed Hight/Width = 1
> proportion.
> I tried the following:
>
> bool
> ChessBoardView::HasHeightForWidth()
> {
> return true;
> }
>
> void
> ChessBoardView::GetHeightForWidth(float width, float* min, float*
> max, float* preferred)
> {
> *min = width;
> *max = width;
> *preferred = width;
> }
>
> but that crashes the application.
Any of the min, max, and preferred pointer arguments can be NULL. The
caller only asks for the values it needs.
CU, Ingo
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