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Ignore really small fonts, since size zero fonts give xpdf fits. (#2938)

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Owen Taylor 2005-08-19 14:05:14 +00:00
parent 9d0211b263
commit 1f68f77a10
2 changed files with 14 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2005-08-19 Owen Taylor <otaylor@redhat.com>
* src/cairo-pdf-surface.c (_cairo_pdf_surface_show_glyphs):
Ignore really small fonts, since size zero fonts give xpdf
fits. (#2938)
2005-08-19 Carl Worth <cworth@cworth.org>
* src/cairo-font.c: (_cairo_scaled_font_set_error): Fix to

8
src/cairo-pdf-surface.c
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@ -1306,6 +1306,7 @@ _cairo_pdf_surface_show_glyphs (cairo_scaled_font_t *scaled_font,
cairo_output_stream_t *output = document->output_stream;
cairo_font_subset_t *pdf_font;
int i, index;
double det;
/* XXX: Need to fix this to work with a general cairo_scaled_font_t. */
if (! _cairo_scaled_font_is_ft (scaled_font))
@ -1315,6 +1316,13 @@ _cairo_pdf_surface_show_glyphs (cairo_scaled_font_t *scaled_font,
if (pdf_font == NULL)
return CAIRO_STATUS_NO_MEMORY;
/* Some PDF viewers (at least older versions of xpdf) have trouble with
* size 0 fonts. If the font size is less than 1/1000pt, ignore the
* font */
_cairo_matrix_compute_determinant (&scaled_font->scale, &det);
if (fabs (det) < 0.000001)
return CAIRO_STATUS_SUCCESS;
emit_pattern (surface, pattern);
_cairo_output_stream_printf (output,