[cairo] rectangle with one pixel width

Kalle Vahlman kalle.vahlman at gmail.com
Wed Jan 9 03:20:30 PST 2008


2008/1/9, zaheer ahmad <zaheer.mot at gmail.com>:
> hi,
> iam drawing a rectangle using cairo, but it always takes two pixels. Is
> there a way to draw the rectangle that takes exactly one pixel.

Usually those are described as "lines" ;)

> i tried to change the line width (cairo_set_line_width(cr, 0.03) but this
> only seems to fade the color and not  change the number of pixels taken by
> the rectangle.

...but I suppose you'll find the reasons and suggested way to achieve it here:

  http://cairographics.org/FAQ/#sharp_lines

-- 
Kalle Vahlman, zuh at iki.fi
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