- added support for variable width fonts (not fully finished, needs some more cleanup...

[supertux.git] / src / video / font.hpp

diff --git a/src/video/font.hpp b/src/video/font.hpp
index 9300fd4..c30dba2 100644 (file)
--- a/src/video/font.hpp
+++ b/src/video/font.hpp
@@ -25,6 +25,7 @@
 
 #include "video/surface.hpp"
 #include "math/vector.hpp"
+#include "math/rect.hpp"
 
 enum FontAlignment {
   LEFT_ALLIGN,
@@ -35,53 +36,78 @@ enum FontAlignment {
 class Font
 {
 public:
+  /** Construct a fixed-width font 
+   * 
+   *  @param file image file containing the characters
+   *  @param shadowfile image file containing the characters shadows
+   *  @param w width of a character
+   *  @param h height of a character
+   */
   Font(const std::string& file, const std::string& shadowfile,
        int w, int h, int shadowsize = 2);
+
+  /** Construct a variable-width font 
+   * 
+   *  @param file image file containing the characters
+   */
+  Font(const std::string& file, int char_width, int char_height);
+
   ~Font();
-  
+
   /** 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.)
    * Supports breaklines.
    */
   float get_text_width(const std::string& text) const;
-  
+
   /** returns the height of a given text. This function 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.
+
+  /**
+   * returns the height of the font.
+   */
   float get_height() const;
-  
+
+  /**
+   * returns the given string, truncated (preferrably at whitespace) to be at most max_chars characters long
+   */
+  static std::string wrap_to_chars(const std::string& text, int max_chars, std::string* overflow);
+
   /** Draws the given text to the screen. Also needs the position.
    * Type of alignment, drawing effect and alpha are optional. */
   void draw(const std::string& text, const Vector& pos,
             FontAlignment allignment = LEFT_ALLIGN,
             DrawingEffect drawing_effect = NO_EFFECT,
             float alpha = 1.0f) const;
-  
+
 private:
   friend class DrawingContext;
-  
+
   void draw_text(const std::string& text, const Vector& pos,
                  DrawingEffect drawing_effect = NO_EFFECT,
                  float alpha = 1.0f) const;
-  
+
   void draw_chars(Surface* pchars, const std::string& text,
                   const Vector& position, DrawingEffect drawing_effect,
                   float alpha) const;
-  
-  Surface* chars;
+
+  Surface* glyph_surface;
   Surface* shadow_chars;
-  int w;
-  int h;
+  int char_width;
+  int char_height;
   int shadowsize;
-  
+
   /// the number of the first character that is represented in the font
   uint32_t first_char;
   /// the number of the last character that is represented in the font
   uint32_t char_count;
+  
+  /** Location of the characters inside the surface */
+  std::vector<Rect> glyphs;
 };
 
 #endif