[cairo] Toy text api, PNG, and magic numbers

[Kozhevnikov Mikhail]

It is Windows, right.
Thanks for reply! I'll try it.

Regards, Mikhail.


26.03.09, 02:42, "Jonathan Kew" <jonathan at jfkew.plus.com>:

> On 25 Mar 2009, at 23:19, Kozhevnikov Mikhail wrote:
> > Hello,
> >
> > Smth goes wrong with the text rendered in the following example  
> > (output attached)
> >
> >   cairo_surface_t *surface;
> >   cairo_t *cr;
> >   surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 600, 600);
> >   cr = cairo_create(surface);
> >   cairo_set_source_rgb(cr, 0, 0, 0);
> >   cairo_select_font_face (cr, "Arial", CAIRO_FONT_SLANT_NORMAL,  
> > CAIRO_FONT_WEIGHT_NORMAL);
> >
> >   const char* txt = "N";
> >   cairo_set_font_size(cr, 10);
> >   cairo_text_extents_t ext;
> >   cairo_text_extents(cr, txt, &ext);
> >   for (int j = 0; j < 50; ++j)
> >      for (int i = 0; i < 50; ++i)
> >      {
> >         cairo_move_to(cr, (ext.width * (1.999 + j * 0.0005)) * i +  
> > 20, j * 12 + 11);
> >         cairo_show_text(cr, txt);
> >      }
> >
> >   cairo_destroy(cr);
> >   cairo_surface_write_to_png(surface, "test.png");
> >   cairo_surface_destroy(surface);
> >
> > Looks interesting, ain't it? :)
> Are you running on Windows, by any chance? If so, you might like to  
> try the patch from here:
>    http://mxr.mozilla.org/mozilla-central/source/gfx/cairo/win32-cleartype-clipping.patch?raw=1
> and see if it makes any difference.
> JK

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