C++ (Cpp) pango_attr_iterator_get_font Beispiele

Beispiel #1

Datei: rbpangoattriterator.c Projekt: Vasfed/pango

static VALUE
rg_font(VALUE self)
{
    PangoFontDescription* desc;
    PangoLanguage* lang;
    GSList* extra_attrs;
    VALUE ary, ret;

    desc = pango_font_description_new();

    pango_attr_iterator_get_font(_SELF(self), desc, &lang, &extra_attrs);

    ary = rb_ary_new();
    while(extra_attrs) {
        rb_ary_push(ary, ATTR2RVAL(extra_attrs->data));
        extra_attrs = extra_attrs->next;
    }

    ret = rb_ary_new3(3, PANGOFONTDESCRIPTION2RVAL(desc),
                      PANGOLANGUAGE2RVAL(lang),
                      ary);

    pango_font_description_free(desc);
    return ret;
}

Beispiel #2

Datei: go-pango-extras.c Projekt: UIKit0/goffice

static void
go_pango_translate_here (PangoAttrIterator *state_iter,
			 PangoAttrIterator *attr_iter, PangoAttrList *attrs)
{
	double font_scale = 1.;
	double scale = 1.;
	int rise = 0;
	PangoAttribute *pa;
	PangoFontDescription *desc = pango_font_description_new ();
	GSList *the_attrs, *l;
	gint range_start, range_end;

	pango_attr_iterator_range (attr_iter, &range_start, &range_end);

	if (range_start == range_end)
		return;

	desc = pango_font_description_new ();
	pango_attr_iterator_get_font (state_iter, desc, NULL, NULL);
	font_scale = pango_font_description_get_size (desc)/
		(double)PANGO_SCALE/10.;
	pango_font_description_free (desc);

	pa = pango_attr_iterator_get
		(state_iter, PANGO_ATTR_SCALE);
	if (pa)
		scale = ((PangoAttrFloat *)pa)->value;
	pa = pango_attr_iterator_get
		(state_iter, PANGO_ATTR_RISE);
	if (pa)
		rise = ((PangoAttrInt *)pa)->value;

	/* We should probably figured out the default font size used */
	/* rather than assuming it is 10 pts * scale */
	if (font_scale == 0)
		font_scale = scale;

	the_attrs = pango_attr_iterator_get_attrs (attr_iter);
	for (l = the_attrs; l != NULL; l = l->next) {
		PangoAttribute *attribute = l->data;
		PangoAttrType type = attribute->klass->type;
		if (type == go_pango_attr_superscript_get_attr_type ()) {
			GOPangoAttrSuperscript *attr = (GOPangoAttrSuperscript *)attribute;
			if (attr->val) {
				scale *= GO_SUPERSCRIPT_SCALE;
				rise += GO_SUPERSCRIPT_RISE * font_scale;
				font_scale *= GO_SUPERSCRIPT_SCALE;
			}
		} else { /* go_pango_attr_subscript_type */
			GOPangoAttrSubscript *attr = (GOPangoAttrSubscript *)attribute;
			if (attr->val) {
				scale *= GO_SUBSCRIPT_SCALE;
				rise += GO_SUBSCRIPT_RISE * font_scale;
				font_scale *= GO_SUBSCRIPT_SCALE;
			}
		}
	}

	if (the_attrs != NULL) {
		PangoAttribute *attr = pango_attr_scale_new (scale);
		attr->start_index = range_start;
		attr->end_index = range_end;
		pango_attr_list_insert (attrs, attr);
		attr = pango_attr_rise_new (rise);
		attr->start_index = range_start;
		attr->end_index = range_end;
		pango_attr_list_insert (attrs, attr);
	}
	g_slist_free_full (the_attrs, (GDestroyNotify)pango_attribute_destroy);
}