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/**
*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux 1 and Inria Bordeaux - Sud Ouest
*
* Tulip is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Tulip 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.
*
*/
#include <cmath>
#include <string>
#include <tulip/StringProperty.h>
#include <tulip/ColorProperty.h>
#include <tulip/DoubleProperty.h>
#include <tulip/Size.h>
#include <tulip/Coord.h>
#include <tulip/Glyph.h>
#include <tulip/EdgeExtremityGlyph.h>
#include <tulip/Graph.h>
#include <tulip/GlRect.h>
using namespace std;
using namespace tlp;
/** \addtogroup glyph */
/*@{*/
/// A 2D glyph.
/**
* This glyph draws a textured square using the "viewTexture" node
* property value. If this property has no value, the square
* is then colored using the "viewColor" node property value.
*/
class Square: public Glyph, public EdgeExtremityGlyphFrom2DGlyph {
public:
Square(GlyphContext *gc = NULL);
Square(EdgeExtremityGlyphContext*gc);
virtual ~Square();
virtual void draw(node n, float lod);
virtual Coord getAnchor(const Coord &vector) const;
virtual void draw(edge e, node n, const Color& glyphColor, const Color &borderColor, float lod);
protected:
inline void drawGlyph(const Color& glyphColor, const string& texture,
const string& texturePath, double borderWidth,
const Color& borderColor, float lod);
static GlRect *rect;
};
GlRect* Square::rect=0;
//=====================================================
GLYPHPLUGIN(Square, "2D - Square", "David Auber", "09/07/2002", "Textured square", "1.0", 4)
EEGLYPHPLUGIN(Square,"2D - Square", "David Auber", "09/07/2002", "Textured square", "1.0", 4)
//===================================================================================
Square::Square(GlyphContext *gc) :
Glyph(gc), EdgeExtremityGlyphFrom2DGlyph(NULL) {
if(!rect)
rect = new GlRect(Coord(0,0,0),Size(1,1,0),Color(0,0,0,255),Color(0,0,0,255));
}
Square::Square(EdgeExtremityGlyphContext *gc) :
Glyph(NULL), EdgeExtremityGlyphFrom2DGlyph(gc) {
if(!rect)
rect = new GlRect(Coord(0,0,0),Size(1,1,0),Color(0,0,0,255),Color(0,0,0,255));
}
//=====================================================
Square::~Square() {
}
//=====================================================
void Square::draw(node n, float lod) {
drawGlyph(glGraphInputData->getElementColor()->getNodeValue(n),
glGraphInputData->getElementTexture()->getNodeValue(n),
glGraphInputData->parameters->getTexturePath(),
glGraphInputData->getElementBorderWidth()->getNodeValue(n),
glGraphInputData->getElementBorderColor()->getNodeValue(n), lod);
}
void Square::draw(edge e, node, const Color& glyphColor, const Color &borderColor, float lod) {
glDisable(GL_LIGHTING);
drawGlyph(glyphColor,
edgeExtGlGraphInputData->getElementTexture()->getEdgeValue(e),
edgeExtGlGraphInputData->parameters->getTexturePath(),
edgeExtGlGraphInputData->getElementBorderWidth()->getEdgeValue(e),
borderColor, lod);
}
//=====================================================
Coord Square::getAnchor(const Coord &vector) const {
Coord v(vector);
float x, y, z, fmax;
v.get(x, y, z);
v.setZ(0.0f);
fmax = std::max(fabsf(x), fabsf(y));
if (fmax > 0.0f)
return v * (0.5f / fmax);
else
return v;
}
void Square::drawGlyph(const Color& glyphColor, const string& texture,
const string& texturePath, double borderWidth,
const Color& borderColor, float lod) {
rect->setFillColor(glyphColor);
rect->setOutlineColor(borderColor);
rect->setTextureName(texturePath+texture);
if (borderWidth < 1e-6)
borderWidth=1e-6;
rect->setOutlineSize(static_cast<float>(borderWidth));
rect->draw(lod,NULL);
}
/*@}*/
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