106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
//This file is part of Photon (http://photon.sourceforge.net)
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//Copyright (C) 2004-2005 James Turk
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//
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// Author:
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// James Turk (jpt2433@rit.edu)
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//
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// Version:
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// $Id: Font.hpp,v 1.3 2005/07/03 06:33:19 cozman Exp $
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#ifndef PHOTON_VIDEO_FONT_HPP
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#define PHOTON_VIDEO_FONT_HPP
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#include "video/FontResourceManager.hpp"
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#include "ResourceManaged.hpp"
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namespace photon
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{
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namespace video
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{
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class StreamFlusher { };
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std::ostream& operator<<(std::ostream& os, const StreamFlusher& rhs);
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// Class: Font
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// Simple OO wrapper around a TrueType font that can be drawn to textures and
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// rendered via OpenGL.
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//
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// Since Font is a child of <ResourceManaged>, all memory management is
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// taken care of.
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//
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// Operators:
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// - Font = Font
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// - bool : True if font is loaded, false if not.
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// - ostream& << Font
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class Font: public ResourceManaged<FontResourceManager>
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{
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// Group: (Con/De)structors
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public:
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// Function: Font
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// Default constructor, initalizes internal state of Font.
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Font();
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// Function: Font
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// Copy constructor, copies another Font.
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//
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// Parameters:
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// rhs - Font to construct copy of.
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Font(const Font &rhs);
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// Function: Font
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// Initializing constructor, loads Font via call to <open>.
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//
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// Parameters:
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// name - Name of the Font <Resource> to open.
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//
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// See Also:
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// <open>
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Font(const std::string& name);
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// Group: General
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public:
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// Function: open
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// Opens an TrueType font.
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//
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// Loading is done via FreeType.
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//
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// Parameters:
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// name - Name of the Font <Resource> to open.
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void open(const std::string& name);
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bool isValid() const;
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Font& operator=(const Font &rhs);
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operator bool() const;
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// Group: Drawing
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public:
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void drawText(float x, float y, const char *str, ...) const;
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void drawText(float x, float y, const std::string& str) const;
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std::ostream& beginDraw(float x, float y);
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StreamFlusher endDraw();
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// Group: Font Metrics
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public:
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unsigned int calcStringWidth(const std::string& str) const;
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unsigned int getHeight() const;
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private:
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// font data
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uint texID_;
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uint listBase_;
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std::vector<ubyte> widths_;
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ubyte height_;
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// stream drawing stuff
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std::ostringstream ss_;
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float drawX_;
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float drawY_;
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};
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}
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}
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#endif //PHOTON_VIDEO_FONT_HPP
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