Re: [XaraXtreme-dev] Cairo Port

[Jonas Diemer <diemer@xxxxxx>]

Alex Bligh schrieb:
> > > GDraw_GetChangedBBox
> > > From memory: gets the changed box (i.e. the area which has been 
> > > changed by drawing primatives)

Ok.

> > > GDraw_SetDIBitmap
> > > From memory: provides GDraw with a pointer to the bitmap into which 
> > > it is meant to be painting (the bitmap is allocated by LX).

I see. It seems like this function is called whenever something needs to 
be redrawn.

Bitmap size is supplied. But how does GDraw figure out how this bitmap 
is related to the coordinates given by the drawing commands (e.g. 
GDraw_FillRectangle)? E.g. is there an "offset" and a "scale"?

Jonas