use glyph and width of '0' for ' ' in number fonts (a leading zero)

stepmania/src/Texture Font Generator/Texture Font GeneratorDlg.cpp

@@ -101,9 +101,10 @@ static const wchar_t map_iso_8859_2[] = {
 };
 
 static const wchar_t map_numbers[] = {
-	0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 
-	0x0035, 0x0036, 0x0037, 0x0038, 0x0039,
-	0x0025, 0x002E, 0x0020, 0x003A, 0x0078,
+	0x0030, 0x0031, 0x0032, 0x0033, 
+	0x0034, 0x0035, 0x0036, 0x0037, 
+	0x0038, 0x0039, 0x0025, 0x002E, 
+	0x0020, 0x003A, 0x0078, 0x002C,
 	0
 };
 
@@ -152,8 +153,9 @@ void CTextureFontGeneratorDlg::UpdateFont( bool bSavingDoubleRes )
 		for( int i = 0; map_cp1252[i]; ++i )
 		{
 			wchar_t wc = map_cp1252[i];
+			FontPageDescription::Char c = { wc, wc };
 			if( wc != 0xFFFF )
-				desc.chars.push_back(wc);
+				desc.chars.push_back(c);
 		}
 		g_pTextureFont->m_PagesToGenerate.push_back( desc );
 
@@ -162,8 +164,9 @@ void CTextureFontGeneratorDlg::UpdateFont( bool bSavingDoubleRes )
 		for( int i = 0; map_iso_8859_2[i]; ++i )
 		{
 			wchar_t wc = map_iso_8859_2[i];
+			FontPageDescription::Char c = { wc, wc };
 			if( wc != 0xFFFF )
-				desc.chars.push_back(wc);
+				desc.chars.push_back(c);
 		}
 		g_pTextureFont->m_PagesToGenerate.push_back( desc );
 	}
@@ -174,8 +177,11 @@ void CTextureFontGeneratorDlg::UpdateFont( bool bSavingDoubleRes )
 		for( int i = 0; map_numbers[i]; ++i )
 		{
 			wchar_t wc = map_numbers[i];
+			FontPageDescription::Char c = { wc, wc };
+			if( wc == 0x0020 )	// space
+				c.glyphAndWidth = 0x0030;	// '0'
 			if( wc != 0xFFFF )
-				desc.chars.push_back(wc);
+				desc.chars.push_back(c);
 		}
 		g_pTextureFont->m_PagesToGenerate.push_back( desc );
 	}

stepmania/src/Texture Font Generator/TextureFont.cpp

@@ -281,7 +281,7 @@ void TextureFont::FormatFontPage( int iPage, HDC hDC )
 
 	/* First, generate bitmaps for all characters in this page. */
 	for( unsigned i = 0; i < Desc.chars.size(); ++i )
-		FormatCharacter( Desc.chars[i], hDC );
+		FormatCharacter( Desc.chars[i].glyphAndWidth, hDC );
 
 	FontPage *pPage = m_apPages[iPage];
 	pPage->m_iFrameWidth = (m_BoundingRect.right - m_BoundingRect.left) + m_iPadding;
@@ -302,7 +302,7 @@ void TextureFont::FormatFontPage( int iPage, HDC hDC )
 	int iRow = 0, iCol = 0;
 	for( unsigned CurChar = 0; CurChar < Desc.chars.size(); ++CurChar )
 	{
-		const wchar_t c = Desc.chars[CurChar];
+		const wchar_t c = Desc.chars[CurChar].glyphAndWidth;
 		const ABC &abc = m_ABC[c];
 		
 		/* The current frame is at fOffsetX/fOffsetY.  Center the character
@@ -418,7 +418,7 @@ void TextureFont::Save( CString sBasePath, CString sBitmapAppendBeforeExtension,
 					f << setw(1);
 					for( int iX = 0; iX < page.m_iNumFramesX && iChar < desc.chars.size(); ++iX, ++iChar )
 					{
-						const wchar_t c = desc.chars[iChar];
+						const wchar_t c = desc.chars[iChar].codepoint;
 						string sUTF8;
 						wchar_to_utf8( c, sUTF8 );
 						f << sUTF8.c_str();
@@ -433,7 +433,7 @@ void TextureFont::Save( CString sBasePath, CString sBitmapAppendBeforeExtension,
 			{
 				/* This is the total width to advance for the whole character, which is the
 				 * sum of the ABC widths. */
-				const wchar_t c = desc.chars[j];
+				const wchar_t c = desc.chars[j].glyphAndWidth;
 				ABC &abc = m_ABC[c];
 				int iCharWidth = abc.abcA + int(abc.abcB) + int(abc.abcC);
 				f << j << "=" << iCharWidth << "\n";

stepmania/src/Texture Font Generator/TextureFont.h

@@ -8,7 +8,13 @@ using namespace std;
 struct FontPageDescription
 {
 	CString name;
-	vector<wchar_t> chars;
+	struct Char
+	{
+		// Glyph and code point may differ.  For example, we may want to render ' ' as '0' in a numbers font to achieve a leading '0' character that can be styled differently from regular '0'.
+		wchar_t glyphAndWidth;
+		wchar_t codepoint;
+	};
+	vector<Char> chars;
 };
 
 struct FontPage