1 files changed, 113 insertions, 0 deletions
diff --git a/tdescreensaver/kdesavers/firesaverwriter.h b/tdescreensaver/kdesavers/firesaverwriter.h
new file mode 100644
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+++ b/tdescreensaver/kdesavers/firesaverwriter.h
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+/***************************************************************************
+ *   Copyright (C) 2004 by E.Ros                                           *
+ *   rosenric@dei.unipd.it                                                 *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef FIRESAVER_WRITER_H
+#define FIRESAVER_WRITER_H
+
+#include <tqgl.h>
+#include <tqptrlist.h>
+#include <tqmap.h>
+#include <tqstring.h>
+
+class Symbol
+{
+    public:
+	Symbol( unsigned int textureNumber, float l, float t, float r, float b )
+	    : scale((r - l) / (b - t)), texNum(textureNumber), L(l), T(1-t), R(r), B(1-b)
+	{
+	    v1[0] = -scale;	v1[1] =  1;
+	    v2[0] = -scale;	v2[1] = -1;
+	    v3[0] = scale;	v3[1] =  1;
+	    v4[0] = scale;	v4[1] = -1;
+	}
+
+	float scale;
+
+	inline void renderSymbol()
+	{
+	    //draw the symbol and update "cursor"'s position
+	    glBindTexture( GL_TEXTURE_2D, texNum );
+	    glTranslatef( scale, 0, 0 );
+	    glBegin( GL_TRIANGLE_STRIP );
+	     glTexCoord2f( L, T );
+	     glVertex2fv( v1 );
+	     glTexCoord2f( L, B );
+	     glVertex2fv( v2 );
+	     glTexCoord2f( R, T );
+	     glVertex2fv( v3 );
+	     glTexCoord2f( R, B );
+	     glVertex2fv( v4 );
+	    glEnd();
+	    glTranslatef( scale, 0, 0 );
+	}
+
+    private:
+	float v1[2], v2[2], v3[2], v4[2];
+	unsigned int texNum;	//number of texture to activate
+	float L, T, R, B;	//coordinates for mapping
+};
+
+
+class Word
+{
+    friend class Writer;
+    public:
+	Word( const char * text, TQMap<char, Symbol *> * map, float scale = 1.0 );
+
+	inline void renderWord( double dT );
+	inline bool isDead();
+
+    private:
+	float width, scale, cX, cY;
+	float vScale, vX, vY;
+	float activateTime, lifeTime, currentTime;
+	float color[4];
+	TQPtrList<Symbol> symbolList;
+};
+
+
+/*
+ *
+ **/
+class Writer
+{
+    public:
+	Writer( TQString descFileName );
+	~Writer();
+
+	//types of effects implemented
+	enum effectType { NoEffect = 0, Sequence, Fun1, Fun2 };
+
+	//call this function to add a sentence to the renderer
+	void spawnWords( TQString phrase, effectType fx = NoEffect );
+
+	//called to get the words on screen using OpenGL
+	//Note: the context must be set up. Words are drawn on XY plane
+	//inside a rectangle with 10 units's side.
+	void render( double dT );
+
+    private:
+	//misc utility functions
+	bool loadMap( TQString );
+
+	//texture 'references' used by GL to delete allocated textures
+	int numTextures;
+	unsigned int texArray[16];
+
+	//list of words and map of symbols
+	TQPtrList<Word> wordList;
+	TQMap<char, Symbol *> symbolMap;
+
+	//disables standard constructor
+	Writer();
+};
+
+#endif