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//
// Filename : StrokeRenderer.h
// Author(s) : Fredo Durand
// Purpose : Classes to render a stroke with OpenGL
// Date of creation : 09/09/2002
//
///////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) : Please refer to the COPYRIGHT file distributed
// with this source distribution.
//
// 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 distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// 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.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef STROKE_RENDERER_H
# define STROKE_RENDERER_H
# include <vector>
# include <map>
# include <utility>
# include "../system/FreestyleConfig.h"
# include "Stroke.h"
# include "StrokeRep.h"
# include <string.h>
/**********************************/
/* */
/* */
/* TextureManager */
/* */
/* */
/**********************************/
/*! Class to load textures
*/
class LIB_STROKE_EXPORT TextureManager
{
public:
TextureManager ();
virtual ~TextureManager ();
static TextureManager * getInstance() {return _pInstance;}
void load () ;
unsigned getBrushTextureIndex(string name, Stroke::MediumType iType = Stroke::OPAQUE_MEDIUM) ;
unsigned getPaperTextureIndex(unsigned i) { return _papertexname[i]; }
static unsigned getPaperTexturesNumber();
inline bool hasLoaded() const {return _hasLoadedTextures;}
inline unsigned int getDefaultTextureId() const {return _defaultTextureId;}
struct LIB_STROKE_EXPORT Options
{
static void setPaperTextures(const vector<string>& sl);
static vector<string>& getPaperTextures();
static void setPatternsPath(const string& path);
static string getPatternsPath();
static void setBrushesPath(const string& path);
static string getBrushesPath();
};
protected:
virtual void loadPapers() = 0;
virtual void loadStandardBrushes() = 0;
virtual unsigned loadBrush(string fileName, Stroke::MediumType = Stroke::OPAQUE_MEDIUM) = 0;
typedef std::pair<string,Stroke::MediumType> BrushTexture;
struct cmpBrushTexture{
bool operator()(const BrushTexture& bt1, const BrushTexture& bt2) const{
int r = strcmp(bt1.first.c_str(), bt2.first.c_str());
if(r != 0)
return (r<0);
else
return (bt1.second < bt2.second);
}
};
typedef std::map<BrushTexture, unsigned, cmpBrushTexture> brushesMap;
static TextureManager * _pInstance;
bool _hasLoadedTextures;
brushesMap _brushesMap;
unsigned* _papertexname;
static string _patterns_path;
static string _brushes_path;
static vector<string> _papertextures;
unsigned int _defaultTextureId;
};
/**********************************/
/* */
/* */
/* StrokeRenderer */
/* */
/* */
/**********************************/
/*! Class to render a stroke.
Creates a triangle strip and stores it
strip is lazily created at the first rendering
*/
class LIB_STROKE_EXPORT StrokeRenderer
{
public:
StrokeRenderer();
virtual ~StrokeRenderer ();
/*! Renders a stroke rep */
virtual void RenderStrokeRep(StrokeRep *iStrokeRep) const = 0;
virtual void RenderStrokeRepBasic(StrokeRep *iStrokeRep) const = 0;
// initializes the texture manager
// lazy, checks if it has already been done
static bool loadTextures() ;
//static unsigned int getTextureIndex(unsigned int index) ;
//static unsigned int getPaperTextureIndex(unsigned int index) ;
static TextureManager *_textureManager;
};
#endif // STROKE_RENDERER_H
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