Added an alpha argument for drawing fonts.

[supertux.git] / lib / video / font.h

diff --git a/lib/video/font.h b/lib/video/font.h
index b32cd90..3d1b9fc 100644 (file)
--- a/lib/video/font.h
+++ b/lib/video/font.h
@@ -29,10 +29,6 @@
 namespace SuperTux
   {
 
-  /** Reads a text file (using LispReader, so it as to be in its formatting)
-      and displays it in a StarTrek fashion */
-  void display_text_file(const std::string& file, float scroll_speed);
-
   /// Font
   class Font
     {
@@ -46,21 +42,33 @@ namespace SuperTux
       Font(const std::string& file, FontType type, int w, int h, int shadowsize=2);
       ~Font();
 
-      /// returns the height of the font.
-      float get_height() const;
       /** returns the width of a given text. (Note that I won't add a normal
        * get_width function here, as we might switch to variable width fonts in the
-       * future.
+       * future.)
+       * Supports breaklines.
        */
       float get_text_width(const std::string& text) const;
 
+      /** returns the height of a given text. (Note that I won't add a normal
+       * get_width function here, as we might switch to variable width fonts in the
+       * future.)
+       * Supports breaklines.
+       * In case, you are positive that your text doesn't use break lines, you can
+       * just use get_height().
+       */
+      float get_text_height(const std::string& text) const;
+      /// returns the height of the font.
+      float get_height() const;
+
     private:
       friend class DrawingContext;
 
       void draw(const std::string& text, const Vector& pos,
-                Uint32 drawing_effect = NONE_EFFECT);
+                Uint32 drawing_effect = NONE_EFFECT, int alpha = 255);
+      void draw_center(const std::string& text, const Vector& pos,
+                Uint32 drawing_effect = NONE_EFFECT, int alpha = 255);
       void draw_chars(Surface* pchars, const std::string& text,
-                      const Vector& position, Uint32 drawing_effect);
+                      const Vector& position, Uint32 drawing_effect, int alpha);
 
       Surface* chars;
       Surface* shadow_chars;
@@ -75,6 +83,11 @@ namespace SuperTux
       int last_char;
     };
 
+
+  /** Reads a text file (using LispReader, so it as to be in its formatting)
+      and displays it in a StarTrek fashion */
+  void display_text_file(const std::string& file, float scroll_speed, Font* heading_font, Font* normal_font, Font* small_font, Font* reference_font );
+
 } //namespace SuperTux
 
 #endif /*SUPERTUX_FONT_H*/