例子pure_api

> > The Win32 pure_api demo draws a filled triangle using
> > agg::renderer_scanline_p_solid. How do you render a outline triangle ?
Change
> > the renderer or use a different technique entirely ? The rounded_rect
example
> > does just this -
>
> This demo only shows how to create a rendering buffer "manually", without
using
> agg_platform_support stuff. I think it's a good idea to explain once the
> principle of interaction between physical memory and renderers and then
> concentrate on more complicated stuff in all other examples. The examples
hide
> creating the buffer and attaching it to agg::rendering_buffer. In other
words,
> in all platform independent examples the agg::rendering_buffer object
(attached
> and ready to use) is already provided. When you understand how to create
and
> use agg::rendering_buffer (which is shown in the pure_api) you will easily
read
> all other examples based on agg::platform_support.
>