diff options
Diffstat (limited to 'pango/pango-glyph-item.c')
| -rw-r--r-- | pango/pango-glyph-item.c | 96 |
1 files changed, 48 insertions, 48 deletions
diff --git a/pango/pango-glyph-item.c b/pango/pango-glyph-item.c index b42e0411..94f07881 100644 --- a/pango/pango-glyph-item.c +++ b/pango/pango-glyph-item.c @@ -32,7 +32,7 @@ * @orig: a #PangoItem * @text: text to which positions in @orig apply * @split_index: byte index of position to split item, relative to the start of the item - * + * * Modifies @orig to cover only the text after @split_index, and * returns a new item that covers the text before @split_index that * used to be in @orig. You can think of @split_index as the length of @@ -43,7 +43,7 @@ * * This function is similar in function to pango_item_split() (and uses * it internally.) - * + * * Return value: the newly allocated item representing text before * @split_index, which should be freed * with pango_glyph_item_free(). @@ -109,7 +109,7 @@ pango_glyph_item_split (PangoGlyphItem *orig, { memcpy (new->glyphs->glyphs, orig->glyphs->glyphs, num_glyphs * sizeof (PangoGlyphInfo)); memcpy (new->glyphs->log_clusters, orig->glyphs->log_clusters, num_glyphs * sizeof (int)); - + memmove (orig->glyphs->glyphs, orig->glyphs->glyphs + num_glyphs, num_remaining * sizeof (PangoGlyphInfo)); for (i = num_glyphs; i < orig->glyphs->num_glyphs; i++) @@ -132,7 +132,7 @@ pango_glyph_item_split (PangoGlyphItem *orig, /** * pango_glyph_item_free: * @glyph_item: a #PangoGlyphItem - * + * * Frees a #PangoGlyphItem and memory to which it points. * * Since: 1.6 @@ -151,9 +151,9 @@ pango_glyph_item_free (PangoGlyphItem *glyph_item) /** * _pango_glyph_item_iter_next_cluster: * @iter: a #PangoGlyphItemIter - * + * * Advances the iterator to the next cluster in the glyph item. - * + * * Return value: %TRUE if the iterator was advanced, %FALSE if we were already on the * last cluster. **/ @@ -175,31 +175,31 @@ _pango_glyph_item_iter_next_cluster (PangoGlyphItemIter *iter) if (glyph_index < 0) return FALSE; } - + iter->start_glyph = iter->end_glyph; iter->start_index = iter->end_index; iter->start_char = iter->end_char; - + if (LTR (iter->glyph_item)) { cluster = glyphs->log_clusters[glyph_index + 1]; while (TRUE) { glyph_index++; - + if (glyph_index == glyphs->num_glyphs) { iter->end_index = item->offset + item->length; iter->end_char = item->num_chars; break; } - + if (glyphs->log_clusters[glyph_index] != cluster) { iter->end_index = item->offset + glyphs->log_clusters[glyph_index]; iter->end_char += g_utf8_strlen (iter->text + iter->start_index, iter->end_index - iter->start_index); - break; + break; } } } @@ -209,20 +209,20 @@ _pango_glyph_item_iter_next_cluster (PangoGlyphItemIter *iter) while (TRUE) { glyph_index--; - + if (glyph_index < 0) { iter->end_index = item->offset + item->length; iter->end_char = item->num_chars; break; } - + if (glyphs->log_clusters[glyph_index] != cluster) { iter->end_index = item->offset + glyphs->log_clusters[glyph_index]; iter->end_char += g_utf8_strlen (iter->text + iter->start_index, iter->end_index - iter->start_index); - break; + break; } } } @@ -234,9 +234,9 @@ _pango_glyph_item_iter_next_cluster (PangoGlyphItemIter *iter) /** * _pango_glyph_item_iter_prev_cluster: * @iter: a #PangoGlyphItemIter - * + * * Moves the iterator to the preceding cluster in the glyph item. - * + * * Return value: %TRUE if the iterator was moved, %FALSE if we were already on the * first cluster. **/ @@ -247,7 +247,7 @@ _pango_glyph_item_iter_prev_cluster (PangoGlyphItemIter *iter) PangoGlyphString *glyphs = iter->glyph_item->glyphs; int cluster; PangoItem *item = iter->glyph_item->item; - + if (LTR (iter->glyph_item)) { if (glyph_index == 0) @@ -257,33 +257,33 @@ _pango_glyph_item_iter_prev_cluster (PangoGlyphItemIter *iter) { if (glyph_index == glyphs->num_glyphs - 1) return FALSE; - + } - + iter->end_glyph = iter->start_glyph; iter->end_index = iter->start_index; iter->end_char = iter->start_char; - + if (LTR (iter->glyph_item)) { cluster = glyphs->log_clusters[glyph_index - 1]; while (TRUE) { glyph_index--; - + if (glyph_index == 0) { iter->start_index = item->offset; iter->start_char = 0; break; } - + if (glyphs->log_clusters[glyph_index] != cluster) { iter->start_index = item->offset + glyphs->log_clusters[glyph_index]; iter->start_char -= g_utf8_strlen (iter->text + iter->start_index, iter->end_index - iter->start_index); - break; + break; } } } @@ -293,20 +293,20 @@ _pango_glyph_item_iter_prev_cluster (PangoGlyphItemIter *iter) while (TRUE) { glyph_index++; - + if (glyph_index == glyphs->num_glyphs - 1) { iter->start_index = item->offset; iter->start_char = 0; break; } - + if (glyphs->log_clusters[glyph_index] != cluster) { iter->start_index = item->offset + glyphs->log_clusters[glyph_index]; iter->start_char -= g_utf8_strlen (iter->text + iter->start_index, iter->end_index - iter->start_index); - break; + break; } } } @@ -320,10 +320,10 @@ _pango_glyph_item_iter_prev_cluster (PangoGlyphItemIter *iter) * @iter: pointer to a #PangoGlyphItemIter structure * @glyph_item: the glyph item that @iter points into * @text: text corresponding to the glyph item - * + * * Initializes a #PangoGlyphItemIter structure to point to the * first cluster in a glyph item. - * + * * Return value: %FALSE if there are no clusters in the glyph item; * in this case, the state of @iter is undefined. **/ @@ -334,7 +334,7 @@ _pango_glyph_item_iter_init_start (PangoGlyphItemIter *iter, { iter->glyph_item = glyph_item; iter->text = text; - + if (LTR (glyph_item)) iter->end_glyph = 0; else @@ -352,10 +352,10 @@ _pango_glyph_item_iter_init_start (PangoGlyphItemIter *iter, * @iter: pointer to a #PangoGlyphItemIter structure * @glyph_item: the glyph item that @iter points into * @text: text corresponding to the glyph item - * + * * Initializes a #PangoGlyphItemIter structure to point to the * last cluster in a glyph item. - * + * * Return value: %FALSE if there are no clusters in the glyph item; * in this case, the state of @iter is undefined. **/ @@ -366,7 +366,7 @@ _pango_glyph_item_iter_init_end (PangoGlyphItemIter *iter, { iter->glyph_item = glyph_item; iter->text = text; - + if (LTR (glyph_item)) iter->start_glyph = glyph_item->glyphs->num_glyphs; else @@ -379,10 +379,10 @@ _pango_glyph_item_iter_init_end (PangoGlyphItemIter *iter, return _pango_glyph_item_iter_prev_cluster (iter); } -typedef struct +typedef struct { PangoGlyphItemIter iter; - + GSList *segment_attrs; } ApplyAttrsState; @@ -403,9 +403,9 @@ attr_slist_copy (GSList *attrs) { GSList *tmp_list; GSList *new_attrs; - + new_attrs = g_slist_copy (attrs); - + for (tmp_list = new_attrs; tmp_list; tmp_list = tmp_list->next) tmp_list->data = pango_attribute_copy (tmp_list->data); @@ -430,19 +430,19 @@ split_before_cluster_start (ApplyAttrsState *state) state->iter.start_glyph -= split_item->glyphs->num_glyphs; state->iter.end_glyph -= split_item->glyphs->num_glyphs; } - + state->iter.start_char -= split_item->item->num_chars; state->iter.end_char -= split_item->item->num_chars; - + return split_item; } /** * pango_glyph_item_apply_attrs: - * @glyph_item: a shaped item + * @glyph_item: a shaped item * @text: text that @list applies to * @list: a #PangoAttrList - * + * * Splits a shaped item (PangoGlyphItem) into multiple items based * on an attribute list. The idea is that if you have attributes * that don't affect shaping, such as color or underline, to avoid @@ -459,7 +459,7 @@ split_before_cluster_start (ApplyAttrsState *state) * * This function takes ownership of @glyph_item; it will be reused * as one of the elements in the list. - * + * * Return value: a list of glyph items resulting from splitting * @glyph_item. Free the elements using pango_glyph_item_free(), * the list using g_slist_free(). @@ -502,7 +502,7 @@ pango_glyph_item_apply_attrs (PangoGlyphItem *glyph_item, while (pango_attr_iterator_next (iter)); state.segment_attrs = pango_attr_iterator_get_attrs (iter); - + /* Short circuit the case when we don't actually need to * split the item */ @@ -515,7 +515,7 @@ pango_glyph_item_apply_attrs (PangoGlyphItem *glyph_item, have_cluster = _pango_glyph_item_iter_next_cluster (&state.iter)) { gboolean have_next; - + /* [range_start,range_end] is the first range that intersects * the current cluster. */ @@ -529,7 +529,7 @@ pango_glyph_item_apply_attrs (PangoGlyphItem *glyph_item, split_before_cluster_start (&state)); state.segment_attrs = pango_attr_iterator_get_attrs (iter); } - + start_new_segment = FALSE; /* Loop over all ranges that intersect this cluster; exiting @@ -565,11 +565,11 @@ pango_glyph_item_apply_attrs (PangoGlyphItem *glyph_item, state.iter.start_index != glyph_item->item->offset) { GSList *new_attrs = attr_slist_copy (state.segment_attrs); - result = g_slist_prepend (result, + result = g_slist_prepend (result, split_before_cluster_start (&state)); state.segment_attrs = new_attrs; } - + state.segment_attrs = g_slist_concat (state.segment_attrs, pango_attr_iterator_get_attrs (iter)); } @@ -586,7 +586,7 @@ pango_glyph_item_apply_attrs (PangoGlyphItem *glyph_item, result = g_slist_reverse (result); pango_attr_iterator_destroy (iter); - + return result; } @@ -602,7 +602,7 @@ pango_glyph_item_apply_attrs (PangoGlyphItem *glyph_item, * @letter_spacing: amount of letter spacing to add * in Pango units. May be negative, though too large * negative values will give ugly results. - * + * * Adds spacing between the graphemes of @glyph_item to * give the effect of typographic letter spacing. * |