Determine the texture size of bold face smartly

src/font/bold_face.cpp

@@ -18,6 +18,7 @@
 
 #include "font/bold_face.hpp"
 
+#include "config/user_config.hpp"
 #include "font/face_ttf.hpp"
 
 // ----------------------------------------------------------------------------
@@ -37,6 +38,7 @@ void BoldFace::init()
     setFallbackFontScale(2.0f);*/
 
 }   // init
+
 // ----------------------------------------------------------------------------
 void BoldFace::reset()
 {
@@ -52,3 +54,17 @@ void BoldFace::reset()
     insertCharacters(preload_chars.c_str());
     updateCharactersList();
 }   // reset
+
+// ----------------------------------------------------------------------------
+unsigned int BoldFace::getGlyphPageSize() const
+{
+    // If players somehow disable "Use high definition textures", irrlicht will
+    // set the max texture size to 512x512, which means it will resize all
+    // large texture, but it doesn't suitable for font texture, as the
+    // rectangle in spritebank depends on the original texture size, so we test
+    // if m_high_definition_textures is enabled here
+    if ((UserConfigParams::m_high_definition_textures & 0x01) == 0)
+        return 512;
+
+    return 1024;
+}   // getGlyphPageSize

src/font/bold_face.hpp

@@ -28,7 +28,7 @@ class BoldFace : public FontWithFace
 private:
     virtual bool supportLazyLoadChar() const OVERRIDE          { return true; }
     // ------------------------------------------------------------------------
-    virtual unsigned int getGlyphPageSize() const OVERRIDE     { return 1024; }
+    virtual unsigned int getGlyphPageSize() const OVERRIDE;
     // ------------------------------------------------------------------------
     virtual float getScalingFactorOne() const OVERRIDE         { return 0.2f; }
     // ------------------------------------------------------------------------

src/font/digit_face.cpp

@@ -33,6 +33,7 @@ void DigitFace::init()
     m_font_max_height = m_glyph_max_height + 10;
 
 }   // init
+
 // ----------------------------------------------------------------------------
 void DigitFace::reset()
 {

src/font/font_with_face.cpp

@@ -306,11 +306,11 @@ void FontWithFace::dumpGlyphPage(const std::string& name)
         video::IImage* image = irr_driver->getVideoDriver()
             ->createImageFromData(col_format, size, data, false/*copy mem*/);
 
-       tex->unlock();
-       irr_driver->getVideoDriver()->writeImageToFile(image, std::string
-           (name + "_" + StringUtils::toString(i) + ".png").c_str());
-       image->drop();
-   }
+        tex->unlock();
+        irr_driver->getVideoDriver()->writeImageToFile(image, std::string
+            (name + "_" + StringUtils::toString(i) + ".png").c_str());
+        image->drop();
+    }
 }   // dumpGlyphPage
 
 // ----------------------------------------------------------------------------

src/font/regular_face.cpp

@@ -33,6 +33,7 @@ void RegularFace::init()
     m_font_max_height = m_glyph_max_height + 10;
 
 }   // init
+
 // ----------------------------------------------------------------------------
 void RegularFace::reset()
 {