Utility/Font: Fix handling of whitespace glyphs

ChangeLog.md

@@ -86,6 +86,8 @@ Nazara Engine:
 - Fixed Billboard bounding volume
 - Fixed Directory::GetResultSize and Directory::IsResultDirectory on Posix systems
 - Graphics module now register "White2D" and "WhiteCubemap" textures to the TextureLibrary (respectively a 1x1 texture 2D and a 1x1 texture cubemap)
+- Added AbstractTextDrawer::GetLineGlyphCount, which returns the number of glyph part of the line
+- Fixed Font handling of whitespace glyphs (which were triggering an error)
 
 Nazara Development Kit:
 - Added ImageWidget (#139)

src/Nazara/Utility/Font.cpp

@@ -514,8 +514,16 @@ namespace Nz
 			FontGlyph fontGlyph;
 			if (ExtractGlyph(characterSize, character, style, &fontGlyph))
 			{
-				glyph.atlasRect.width = fontGlyph.image.GetWidth();
-				glyph.atlasRect.height = fontGlyph.image.GetHeight();
+				if (fontGlyph.image.IsValid())
+				{
+					glyph.atlasRect.width = fontGlyph.image.GetWidth();
+					glyph.atlasRect.height = fontGlyph.image.GetHeight();
+				}
+				else
+				{
+					glyph.atlasRect.width = 0;
+					glyph.atlasRect.height = 0;
+				}
 
 				// Insertion du rectangle dans l'un des atlas
 				if (glyph.atlasRect.width > 0 && glyph.atlasRect.height > 0) // Si l'image contient quelque chose