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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __FREESTYLE_STROKE_RENDERER_H__
#define __FREESTYLE_STROKE_RENDERER_H__
/** \file blender/freestyle/intern/stroke/StrokeRenderer.h
* \ingroup freestyle
* \brief Classes to render a stroke with OpenGL
* \author Fredo Durand
* \date 09/09/2002
*/
#include <map>
#include <string.h>
#include <algorithm>
#include <utility>
#include <vector>
#include "Stroke.h"
#include "StrokeRep.h"
#include "../system/FreestyleConfig.h"
#ifdef WITH_CXX_GUARDEDALLOC
#include "MEM_guardedalloc.h"
#endif
namespace Freestyle {
/**********************************/
/* */
/* */
/* 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);
inline bool hasLoaded() const
{
return _hasLoadedTextures;
}
inline unsigned int getDefaultTextureId() const
{
return _defaultTextureId;
}
struct LIB_STROKE_EXPORT Options
{
static void setPatternsPath(const string& path);
static string getPatternsPath();
static void setBrushesPath(const string& path);
static string getBrushesPath();
};
protected:
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;
static string _patterns_path;
static string _brushes_path;
unsigned int _defaultTextureId;
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:TextureManager")
#endif
};
/**********************************/
/* */
/* */
/* 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 TextureManager *_textureManager;
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:StrokeRenderer")
#endif
};
} /* namespace Freestyle */
#endif // __FREESTYLE_STROKE_RENDERER_H__
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