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| author | Adrian Johnson <ajohnson@redneon.com> | 2007-03-23 23:08:46 +1030 |
|---|---|---|
| committer | Adrian Johnson <ajohnson@redneon.com> | 2007-03-23 23:08:46 +1030 |
| commit | e9a26966484171f94df41bd3abc83aae22682caa (patch) | |
| tree | 6000a49cf3ed3af84224daf51fc6e0fd5ac9a126 /src/cairo-scaled-font-subsets-private.h | |
| parent | 820341b4c503fbd5ca3b8f6c3e5ff6eca5562b98 (diff) | |
| download | cairo-e9a26966484171f94df41bd3abc83aae22682caa.tar.gz | |
PDF: Use the TJ operator to show glyphs
Diffstat (limited to 'src/cairo-scaled-font-subsets-private.h')
| -rw-r--r-- | src/cairo-scaled-font-subsets-private.h | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/src/cairo-scaled-font-subsets-private.h b/src/cairo-scaled-font-subsets-private.h index 510434049..db655f77d 100644 --- a/src/cairo-scaled-font-subsets-private.h +++ b/src/cairo-scaled-font-subsets-private.h @@ -41,6 +41,14 @@ typedef struct _cairo_scaled_font_subsets cairo_scaled_font_subsets_t; +typedef struct _cairo_scaled_font_subsets_glyph { + unsigned int font_id; + unsigned int subset_id; + unsigned int subset_glyph_index; + cairo_bool_t is_scaled; + double x_advance; +} cairo_scaled_font_subsets_glyph_t; + /** * _cairo_scaled_font_subsets_create: * @@ -85,6 +93,8 @@ _cairo_scaled_font_subsets_destroy (cairo_scaled_font_subsets_t *font_subsets); * @font_subsets: a #cairo_scaled_font_subsets_t * @scaled_font: the font of the glyph to be mapped * @scaled_font_glyph_index: the index of the glyph to be mapped + * @subset_glyph_ret: return structure containing subset font and glyph id + * * @font_id_ret: return value giving the font ID of the mapped glyph * @subset_id_ret: return value giving the subset ID of the mapped glyph within the @font_id_ret * @subset_glyph_index_ret: return value giving the index of the mapped glyph within the @subset_id_ret subset @@ -126,6 +136,17 @@ _cairo_scaled_font_subsets_destroy (cairo_scaled_font_subsets_t *font_subsets); * used by #cairo_scaled_font_subset_t as provided by * _cairo_scaled_font_subsets_foreach. * + * The returned values in the cairo_scaled_font_subsets_glyph_t struct are: + * + * @font_id: The font ID of the mapped glyph + * @subset_id : The subset ID of the mapped glyph within the @font_id + * @subset_glyph_index: The index of the mapped glyph within the @subset_id subset + * @is_scaled: If true, the mapped glyph is from a bitmap font, and separate font + * subset is created for each font scale used. If false, the outline of the mapped glyph + * is available. One font subset for each font face is created. + * @x_advance: When @is_scaled is true, @x_advance contains the x_advance for the mapped glyph in device space. + * When @is_scaled is false, @x_advance contains the x_advance for the the mapped glyph from an unhinted 1 point font. + * * Return value: CAIRO_STATUS_SUCCESS if successful, or a non-zero * value indicating an error. Possible errors include * CAIRO_STATUS_NO_MEMORY. @@ -134,9 +155,7 @@ cairo_private cairo_status_t _cairo_scaled_font_subsets_map_glyph (cairo_scaled_font_subsets_t *font_subsets, cairo_scaled_font_t *scaled_font, unsigned long scaled_font_glyph_index, - unsigned int *font_id_ret, - unsigned int *subset_id_ret, - unsigned int *subset_glyph_index_ret); + cairo_scaled_font_subsets_glyph_t *subset_glyph_ret); typedef void (*cairo_scaled_font_subset_callback_func_t) (cairo_scaled_font_subset_t *font_subset, |