[cairo] How to draw a Rect with red border

[Olexiy Avramchenko]

On 1/23/06, yinglcs2 at yahoo.com <yinglcs2 at yahoo.com> wrote:
>
> How can I draw a Rect with red border?
>
> I know the function cairo_rectangle() to draw a Rect,
> but how can I set the color to "red"?
>
> cairo_rectangle(aSurf, 20, 20, 40, 40);
>

Set the colour with cairo_set_source_rgb(), like:
cairo_set_source_rgb(cr, 1.0,0.0,0.0)
If you want to draw transparent rectangle, use cairo_set_source_rgba(),
cairo_set_source_rgb() assumes alpha component equal to 1.0.

After that use cairo_fill() to fill the rectangle and, optionally,
cairo_stroke()
to draw rectangle's border.

Olexiy
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