(svn r23275) -Codechange: allow loading of the monospace (freetype) font at another moment than the other fonts

src/fontcache.cpp

@@ -25,14 +25,18 @@ int _font_height[FS_END];
 
 /**
  * Reset the font sizes to the defaults of the sprite based fonts.
+ * @param monospace Whether to reset the monospace or regular fonts.
  */
-void ResetFontSizes()
+void ResetFontSizes(bool monospace)
 {
+	if (monospace) {
 		_font_height[FS_MONO]   = 10;
+	} else {
 		_font_height[FS_SMALL]  =  6;
 		_font_height[FS_NORMAL] = 10;
 		_font_height[FS_LARGE]  = 18;
 	}
+}
 
 #ifdef WITH_FREETYPE
 #include <ft2build.h>
@@ -821,7 +825,7 @@ static void LoadFreeTypeFont(const char *font_name, FT_Face *face, const char *t
 }
 
 
-static void ResetGlyphCache();
+static void ResetGlyphCache(bool monospace);
 
 /**
  * Unload a face and set it to NULL.
@@ -837,16 +841,20 @@ static void UnloadFace(FT_Face *face)
 
 /**
  * (Re)initialize the freetype related things, i.e. load the non-sprite fonts.
+ * @param monospace Whether to initialise the monospace or regular fonts.
  */
-void InitFreeType()
+void InitFreeType(bool monospace)
 {
-	ResetFontSizes();
+	ResetFontSizes(monospace);
-	ResetGlyphCache();
+	ResetGlyphCache(monospace);
 
+	if (monospace) {
 		UnloadFace(&_face_mono);
+	} else {
 		UnloadFace(&_face_small);
 		UnloadFace(&_face_medium);
 		UnloadFace(&_face_large);
+	}
 
 	if (StrEmpty(_freetype.small_font) && StrEmpty(_freetype.medium_font) && StrEmpty(_freetype.large_font) && StrEmpty(_freetype.mono_font)) {
 		DEBUG(freetype, 1, "No font faces specified, using sprite fonts instead");
@@ -863,15 +871,18 @@ void InitFreeType()
 	}
 
 	/* Load each font */
+	if (monospace) {
 		LoadFreeTypeFont(_freetype.mono_font ,  &_face_mono,   "mono");
+
+		if (_face_mono != NULL) {
+			SetFontGeometry(_face_mono, FS_MONO, _freetype.mono_size);
+		}
+	} else {
 		LoadFreeTypeFont(_freetype.small_font,  &_face_small,  "small");
 		LoadFreeTypeFont(_freetype.medium_font, &_face_medium, "medium");
 		LoadFreeTypeFont(_freetype.large_font,  &_face_large,  "large");
 
 		/* Set each font size */
-	if (_face_mono != NULL) {
-		SetFontGeometry(_face_mono, FS_MONO, _freetype.mono_size);
-	}
 		if (_face_small != NULL) {
 			SetFontGeometry(_face_small, FS_SMALL, _freetype.small_size);
 		}
@@ -882,13 +893,15 @@ void InitFreeType()
 			SetFontGeometry(_face_large, FS_LARGE, _freetype.large_size);
 		}
 	}
+}
 
 /**
  * Free everything allocated w.r.t. fonts.
  */
 void UninitFreeType()
 {
-	ResetGlyphCache();
+	ResetGlyphCache(true);
+	ResetGlyphCache(false);
 
 	UnloadFace(&_face_small);
 	UnloadFace(&_face_medium);
@@ -933,10 +946,14 @@ struct GlyphEntry {
  */
 static GlyphEntry **_glyph_ptr[FS_END];
 
-/** Clear the complete cache */
+/**
-static void ResetGlyphCache()
+ * Clear the complete cache
+ * @param monospace Whether to reset the monospace or regular font.
+ */
+static void ResetGlyphCache(bool monospace)
 {
 	for (FontSize i = FS_BEGIN; i < FS_END; i++) {
+		if (monospace != (i == FS_MONO)) continue;
 		if (_glyph_ptr[i] == NULL) continue;
 
 		for (int j = 0; j < 256; j++) {

src/fontcache.h

@@ -42,7 +42,7 @@ struct FreeTypeSettings {
 
 extern FreeTypeSettings _freetype;
 
-void InitFreeType();
+void InitFreeType(bool monospace);
 void UninitFreeType();
 const Sprite *GetGlyph(FontSize size, uint32 key);
 uint GetGlyphWidth(FontSize size, uint32 key);
@@ -63,7 +63,7 @@ bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, i
 #else
 
 /* Stub for initializiation */
-static inline void InitFreeType() { extern void ResetFontSizes(); ResetFontSizes(); }
+static inline void InitFreeType(bool monospace) { extern void ResetFontSizes(bool monospace); ResetFontSizes(monospace); }
 static inline void UninitFreeType() {}
 
 /** Get the Sprite for a glyph */

src/openttd.cpp

@@ -697,8 +697,8 @@ int ttd_main(int argc, char *argv[])
 	/* enumerate language files */
 	InitializeLanguagePacks();
 
-	/* Initialize FreeType */
+	/* Initialize the regular font for FreeType */
-	InitFreeType();
+	InitFreeType(false);
 
 	/* This must be done early, since functions use the SetWindowDirty* calls */
 	InitWindowSystem();

src/strings.cpp

@@ -1750,7 +1750,7 @@ const char *GetCurrentLanguageIsoCode()
  */
 bool MissingGlyphSearcher::FindMissingGlyphs(const char **str)
 {
-	InitFreeType();
+	InitFreeType(false);
 	const Sprite *question_mark[FS_END];
 
 	for (FontSize size = FS_BEGIN; size < FS_END; size++) {
@@ -1856,7 +1856,7 @@ void CheckForMissingGlyphs(bool base_font, MissingGlyphSearcher *searcher)
 			/* Our fallback font does miss characters too, so keep the
 			 * user chosen font as that is more likely to be any good than
 			 * the wild guess we made */
-			InitFreeType();
+			InitFreeType(false);
 		}
 	}
 #endif