Make sure windescent is a positive value

Changed files (1)

• modified libbirdfont/OpenFontFormat/HheaTable.vala

Diff

diff --git a/libbirdfont/OpenFontFormat/HheaTable.vala b/libbirdfont/OpenFontFormat/HheaTable.valaindex 6e5e146..313b20c 100644--- a/libbirdfont/OpenFontFormat/HheaTable.vala+++ b/libbirdfont/OpenFontFormat/HheaTable.vala@@ -70,7 +70,7 @@ public class HheaTable : OtfTable {  		foreach (GlyfData glyph in glyf_table.glyf_data) { 			if (glyph.bounding_box_ymin < winDescent) {-				winDescent = glyph.bounding_box_ymin;+				winDescent = -glyph.bounding_box_ymin; 			} 		} 		@@ -122,10 +122,10 @@ public class HheaTable : OtfTable { 		descender -= (int16) rint (font.base_line * HeadTable.UNITS);  		upm = HeadTable.units_per_em;-		total_height = get_winascent () - get_windescent ();+		total_height = get_winascent () + get_windescent (); 		ascender = (int16) rint (upm * get_winascent () / (double) total_height); 		descender = (int16) (ascender - upm);-		line_gap = (int16) rint (ascender + descender - upm);+		line_gap = (int16) rint (total_height - upm); 				 		fd.add_16 (ascender); // Ascender 		fd.add_16 (descender); // Descender