[lasem] mathml_view: take math_variant into account for operators.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 04ffc84cd43542d407f394391e63c2d0f3ecd3df
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Sat Dec 10 14:53:06 2011 +0100

    mathml_view: take math_variant into account for operators.

 src/lsmmathmlview.c |   33 +++++++++++++++++++++++++++------
 1 files changed, 27 insertions(+), 6 deletions(-)
---
diff --git a/src/lsmmathmlview.c b/src/lsmmathmlview.c
index 144930e..93b0cb1 100644
--- a/src/lsmmathmlview.c
+++ b/src/lsmmathmlview.c
@@ -301,10 +301,17 @@ lsm_mathml_view_update_layout_for_operator (LsmMathmlView *view,
 	font_description = view->dom_view.font_description;
 
 	pango_font_description_set_family (font_description, LSM_MATHML_FONT_SERIF);
-	pango_font_description_set_style (font_description, PANGO_STYLE_NORMAL);
 	pango_font_description_set_size (font_description,
 					 style->math_size * PANGO_SCALE * (large ? LSM_MATHML_LARGE_OP_SCALE : 1.0));
-	pango_font_description_set_weight (font_description, PANGO_WEIGHT_NORMAL);
+	if (style->math_variant < G_N_ELEMENTS (lsm_mathml_pango_options)) {
+		pango_font_description_set_style (font_description,
+						  lsm_mathml_pango_options[style->math_variant].style);
+		pango_font_description_set_weight (font_description,
+						   lsm_mathml_pango_options[style->math_variant].weight);
+	} else {
+		pango_font_description_set_style (font_description, PANGO_STYLE_NORMAL);
+		pango_font_description_set_weight (font_description, PANGO_WEIGHT_NORMAL);
+	}
 	pango_layout_set_text (pango_layout, text, -1);
 	pango_layout_set_font_description (pango_layout, font_description);
 	pango_layout_get_extents (pango_layout, ink_rect, rect);
@@ -384,8 +391,15 @@ lsm_mathml_view_measure_operator (LsmMathmlView *view,
 		for (; i < glyph->n_sized_glyphs; i++) {
 			font_name = lsm_mathml_font_names [glyph->sized_glyphs[i].font];
 			pango_font_description_set_family (font_description, font_name);
-			pango_font_description_set_style (font_description, PANGO_STYLE_NORMAL);
-			pango_font_description_set_weight (font_description, PANGO_WEIGHT_NORMAL);
+			if (style->math_variant < G_N_ELEMENTS (lsm_mathml_pango_options)) {
+				pango_font_description_set_style (font_description,
+								  lsm_mathml_pango_options[style->math_variant].style);
+				pango_font_description_set_weight (font_description,
+								   lsm_mathml_pango_options[style->math_variant].weight);
+			} else {
+				pango_font_description_set_style (font_description, PANGO_STYLE_NORMAL);
+				pango_font_description_set_weight (font_description, PANGO_WEIGHT_NORMAL);
+			}
 			pango_layout_set_text (pango_layout, glyph->sized_glyphs[i].utf8, -1);
 			pango_layout_set_font_description (pango_layout, font_description);
 			pango_layout_get_extents (pango_layout, &ink_rect, NULL);
@@ -512,8 +526,15 @@ lsm_mathml_view_show_operator (LsmMathmlView *view,
 		for (; i < glyph->n_sized_glyphs; i++) {
 			font_name = lsm_mathml_font_names [glyph->sized_glyphs[i].font];
 			pango_font_description_set_family (font_description, font_name);
-			pango_font_description_set_style (font_description, PANGO_STYLE_NORMAL);
-			pango_font_description_set_weight (font_description, PANGO_WEIGHT_NORMAL);
+			if (style->math_variant < G_N_ELEMENTS (lsm_mathml_pango_options)) {
+				pango_font_description_set_style (font_description,
+								  lsm_mathml_pango_options[style->math_variant].style);
+				pango_font_description_set_weight (font_description,
+								   lsm_mathml_pango_options[style->math_variant].weight);
+			} else {
+				pango_font_description_set_style (font_description, PANGO_STYLE_NORMAL);
+				pango_font_description_set_weight (font_description, PANGO_WEIGHT_NORMAL);
+			}
 			pango_layout_set_text (pango_layout, glyph->sized_glyphs[i].utf8, -1);
 			pango_layout_set_font_description (pango_layout, font_description);
 			pango_layout_get_extents (pango_layout, &ink_rect, NULL);