Can Baran wrote:
> Hi,
>
> I believe I have not satisfied to quench your curiosity with my answers.
> Since this has become more private than my original post, I am sending
> this e-mail to this account of yours.
Feel free to keep this kind if thing on the list -- I like to have it
archived there.
> Originally, what I wanted to do
> was to translate the following code from Tkinter to wxpython:
> def textExtent(self, text, font):
> return font.measure(text), font.metrics('linespace')
>
> def textLineSpacing(self, font):
> return font.metrics('linespace')
> Now, I believe I need to use getFullextent function to do the
> translation. I hope it is clear now.
I see, you need stuff you can use for a bit of typesetting.
OK, using DC.GetFullTextExtent(text) will get you what you need, in
pixel coordinates. If you are using a FloatCanvas.ScaledText object,
then you'll need to translate that to world coords. This is not quite
trivial, unfortunately.
I suggest you pick a font size, say 14, then call
DC.GetFullTextExtent(text), and use that to scale the result, so that if
the LineSpacing is , say 17, then you know that line spacing is 17/14
times the font size. Now when you specify a size for your ScaledText
Object, you can multiply it by that factor the get the line spacing.
You might want to take a look at the FloatCanvas.ScaledTextBox code to
get some ideas. In that, I used:
TextHeight = dc.GetTextExtent("X")[1]
LineHeight = TextHeight * self.LineSpacing
Where LineSpacing was specified by the user, and defaults to 1.0. I
think GetTextExtent does pad a bit.
-Chris
--
Christopher Barker, Ph.D.
Oceanographer
Emergency Response Division
NOAA/NOS/OR&R (206) 526-6959 voice
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