diff options
Diffstat (limited to 'pango')
| -rw-r--r-- | pango/pango-context.c | 46 | ||||
| -rw-r--r-- | pango/pango-context.h | 7 |
2 files changed, 53 insertions, 0 deletions
diff --git a/pango/pango-context.c b/pango/pango-context.c index 6ba64ce1..99fa454a 100644 --- a/pango/pango-context.c +++ b/pango/pango-context.c @@ -79,6 +79,8 @@ struct _PangoContext PangoMatrix *matrix; PangoFontMap *font_map; + + gboolean round_glyph_positions; }; struct _PangoContextClass @@ -103,6 +105,7 @@ pango_context_init (PangoContext *context) context->set_language = NULL; context->language = pango_language_get_default (); context->font_map = NULL; + context->round_glyph_positions = TRUE; context->font_desc = pango_font_description_new (); pango_font_description_set_family_static (context->font_desc, "serif"); @@ -1857,3 +1860,46 @@ pango_context_get_serial (PangoContext *context) check_fontmap_changed (context); return context->serial; } + +/** + * pango_context_set_round_glyph_positions: + * @context: a #PangoContext + * @round_positions: whether to round glyph positions + * + * Sets whether font rendering with this context should + * round glyph positions and widths to integral positions, + * in device units. + * + * This is useful when the renderer can't handle subpixel + * positioning of glyphs. + * + * The default value is to round glyph positions, to remain + * compatible with previous Pango behavior. + * + * Since: 1.44 + */ +void +pango_context_set_round_glyph_positions (PangoContext *context, + gboolean round_positions) +{ + if (context->round_glyph_positions != round_positions) + { + context->round_glyph_positions = round_positions; + context_changed (context); + } +} + +/** + * pango_context_get_round_glyph_positions: + * @context: a #PangoContext + * + * Returns whether font rendering with this context should + * round glyph positions and widths. + * + * Since: 1.44 + */ +gboolean +pango_context_get_round_glyph_positions (PangoContext *context) +{ + return context->round_glyph_positions; +} diff --git a/pango/pango-context.h b/pango/pango-context.h index af934491..0f775ff4 100644 --- a/pango/pango-context.h +++ b/pango/pango-context.h @@ -113,6 +113,13 @@ void pango_context_set_matrix (PangoContext PANGO_AVAILABLE_IN_1_6 const PangoMatrix * pango_context_get_matrix (PangoContext *context); +PANGO_AVAILABLE_IN_1_44 +void pango_context_set_round_glyph_positions (PangoContext *context, + gboolean round_positions); +PANGO_AVAILABLE_IN_1_44 +gboolean pango_context_get_round_glyph_positions (PangoContext *context); + + /* Break a string of Unicode characters into segments with * consistent shaping/language engine and bidrectional level. * Returns a #GList of #PangoItem's |