[cairo] scale with text

Carl Worth cworth at cworth.org
Sat Feb 17 11:11:14 PST 2007

On Sat, 17 Feb 2007 19:20:41 +0100, Tobias Ceglarek wrote:
> I have attached two pics. You will see, that the text overlaps the white
> area in the zoomed version.

Thanks for the picture.

I still don't understand what it is you are having trouble
achieving. Here's what I understand so far:

* You called cairo_scale to make the text get larger

* The text got larger

* Something about the white box

I feel like there's a question in there, and I'd like to try to answer
it. But I'm still not sure what the question is. Can you help some

I can take some guesses as to what the question might be:

    Question: How can I restrict the text to be clipped by a rectangle
              the size of the white box?

    Answer: Call the following before drawing the text:

		cairo_rectangle (cr, x, y, width, height);
		cairo_clip (cr);

    Question: How can I measure the size of the text so that I can
    	      draw a rectangle that will bound it?

    Answer: Use cairo_text_extents()


But I'm not sure that it's too productive for me to keep guessing
until I get to the right question. :-)

> cairo_text_path(str)
> cairo_fill
> instead of
> cairo_show_text(str)
> The effect is the same.

Good. That means that those functions or behaving exactly as intended.

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