-// $Id$
-//
// SuperTux
-// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
+// Copyright (C) 2006 Matthias Braun <matze@braunis.de>,
+// Ingo Ruhnke <grumbel@gmail.com>
//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
-#ifndef SUPERTUX_FONT_H
-#define SUPERTUX_FONT_H
+#ifndef HEADER_SUPERTUX_VIDEO_FONT_HPP
+#define HEADER_SUPERTUX_VIDEO_FONT_HPP
-#include <string>
#include <stdint.h>
+#include <string>
-#include "video/surface.hpp"
+#include "math/rectf.hpp"
#include "math/vector.hpp"
+#include "video/color.hpp"
+#include "video/surface.hpp"
+#include "video/texture.hpp"
+
+class Renderer;
enum FontAlignment {
- LEFT_ALLIGN,
- CENTER_ALLIGN,
- RIGHT_ALLIGN
+ ALIGN_LEFT,
+ ALIGN_CENTER,
+ ALIGN_RIGHT
};
class Font
{
public:
- Font(const std::string& file, const std::string& shadowfile,
- int w, int h, int shadowsize = 2);
+ enum GlyphWidth {
+ FIXED,
+ VARIABLE
+ };
+
+public:
+ /** Construct a fixed-width font
+ *
+ * @param glyph_width VARIABLE for proportional fonts, VARIABLE for monospace ones
+ * @param fontfile file in format supertux-font
+ * @param sgadowsize offset of shadow
+ */
+ Font(GlyphWidth glyph_width, const std::string& fontfile, int shadowsize = 2);
~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 (preferably 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);
+
+ /**
+ * returns the given string, truncated (preferably at whitespace) to be at most "width" pixels wide
+ */
+ std::string wrap_to_width(const std::string& text, float width, 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,
+ void draw(Renderer *renderer, const std::string& text, const Vector& pos,
+ FontAlignment alignment = ALIGN_LEFT,
DrawingEffect drawing_effect = NO_EFFECT,
+ Color color = Color(1.0,1.0,1.0),
float alpha = 1.0f) const;
-
+
private:
friend class DrawingContext;
-
- void draw_text(const std::string& text, const Vector& pos,
+
+ void draw_text(Renderer *renderer, const std::string& text, const Vector& pos,
DrawingEffect drawing_effect = NO_EFFECT,
+ Color color = Color(1.0,1.0,1.0),
float alpha = 1.0f) const;
-
- void draw_chars(Surface* pchars, const std::string& text,
- const Vector& position, DrawingEffect drawing_effect,
+
+ void draw_chars(Renderer *renderer, bool nonshadow, const std::string& text,
+ const Vector& position, DrawingEffect drawing_effect, Color color,
float alpha) const;
-
- Surface* chars;
- Surface* shadow_chars;
- int w;
- int h;
+
+ void loadFontFile(const std::string &filename);
+ void loadFontSurface(const std::string &glyphimage,
+ const std::string &shadowimage,
+ const std::vector<std::string> &chars,
+ GlyphWidth glyph_width,
+ int char_width);
+private:
+ struct Glyph {
+ /** How many pixels should the cursor advance after printing the
+ glyph */
+ float advance;
+
+ /** Offset that is used when drawing the glyph */
+ Vector offset;
+
+ /** index of containing surface */
+ int surface_idx;
+
+ /** Position of the glyph inside the surface */
+ Rectf rect;
+
+ Glyph() :
+ advance(),
+ offset(),
+ surface_idx(),
+ rect()
+ {}
+ };
+
+private:
+ GlyphWidth glyph_width;
+
+ std::vector<SurfacePtr> glyph_surfaces;
+ std::vector<SurfacePtr> shadow_surfaces;
+ 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;
+ int border;
+
+ /** 65536 of glyphs */
+ std::vector<Glyph> glyphs;
};
#endif
+
+/* EOF */