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Evas text_utils: Added evas_common_text_props_can_split 

SVN revision: 59202
This commit is contained in:
Tom Hacohen 2011-05-05 11:05:37 +00:00
parent 25550183e0
commit e307051ccb
2 changed files with 27 additions and 0 deletions
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25
legacy/evas/src/lib/engines/common/evas_text_utils.c
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@ -66,6 +66,31 @@ evas_common_text_props_content_unref(Evas_Text_Props *props)
}
}
EAPI Eina_Bool
evas_common_text_props_can_split(Evas_Text_Props *props, int _cutoff)
{
#ifdef OT_SUPPORT
Evas_Font_OT_Info *itr;
size_t i;
itr = props->info->ot + props->start;
_cutoff += props->text_offset;
/* FIXME: can I binary search? I don't think this is always sorted */
for (i = 0 ; i < props->len ; i++, itr++)
{
if (itr->source_cluster == (size_t) _cutoff)
{
return EINA_TRUE;
}
}
/* We didn't find the cutoff position. */
ERR("Couldn't find the cutoff position. Is it inside a cluster?");
return EINA_FALSE;
#else
return EINA_TRUE;
#endif
}
/* Won't work in the middle of ligatures, assumes cutoff < len.
* Also won't work in the middle of indic words, should handle that in a
* smart way. */

2
legacy/evas/src/lib/engines/common/evas_text_utils.h
View File

@ -72,6 +72,8 @@ evas_common_text_props_content_ref(Evas_Text_Props *props);
void
evas_common_text_props_content_unref(Evas_Text_Props *props);
EAPI Eina_Bool
evas_common_text_props_can_split(Evas_Text_Props *props, int _cutoff);
EAPI void
evas_common_text_props_split(Evas_Text_Props *base, Evas_Text_Props *ext,