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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 <vector>
#include <tulip/Coord.h>
#include <tulip/Size.h>
#include <tulip/ColorProperty.h>
#include <tulip/DoubleProperty.h>
#include <tulip/SizeProperty.h>
#include <tulip/Glyph.h>
#include <tulip/EdgeExtremityGlyph.h>
#include <tulip/GlComplexPolygon.h>
#include <tulip/Graph.h>
using namespace std;
using namespace tlp;
/** \addtogroup glyph */
/*@{*/
/// A 2D glyph
/**
* This glyph draws a textured cross using the "viewTexture"
* node property value. If this property has no value, the cross
* is then colored using the "viewColor" node property value.
*/
class Cross: public Glyph, public EdgeExtremityGlyphFrom2DGlyph {
public:
Cross(GlyphContext *gc = NULL);
Cross(EdgeExtremityGlyphContext *gc);
virtual ~Cross();
virtual void getIncludeBoundingBox(BoundingBox &boundingBox,node);
virtual void draw(node n, float lod);
virtual void draw(edge e, node n, const Color& glyphColor, const Color &borderColor, float lod);
virtual void draw(const Color &fillColor,const Color &borderColor,float borderWidth,const std::string &textureName, float lod);
virtual Coord getAnchor(const Coord &vector) const;
protected :
static GlComplexPolygon *cross;
void initCross();
};
GlComplexPolygon* Cross::cross=0;
//=====================================================
GLYPHPLUGIN(Cross, "2D - Cross", "Patrick Mary", "23/06/2011", "Textured Cross", "1.0", 8)
EEGLYPHPLUGIN(Cross,"2D - Cross", "David Auber", "23/06/2011", "Textured Cross", "1.0", 8)
//===================================================================================
/*
*
0---1 (-bWidth, 0.5) (bWidth, 0.5)
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10--11 2----3 (-0.5, bWidth) (-bWidth, bWidth)(bWidth, bWidth) (0.5, bWidth)
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9----8 5----4 (-0.5, -bWidth)(-bWidth, -bWidth)(bWidth, -bWidth)(0.5, -bWidth)
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7---6 (-bWidth, -0.5) (bWidth, -0.5)
*/
Cross::Cross(GlyphContext *gc) :
Glyph(gc), EdgeExtremityGlyphFrom2DGlyph(NULL) {
initCross();
}
Cross::Cross(EdgeExtremityGlyphContext *gc) :
Glyph(NULL), EdgeExtremityGlyphFrom2DGlyph(gc) {
initCross();
}
void Cross::initCross() {
if(!cross) {
float bWidth = 0.1;
vector<Coord> points;
points.push_back(Coord(-bWidth, 0.5, 0));
points.push_back(Coord(bWidth, 0.5, 0));
points.push_back(Coord(bWidth, bWidth, 0));
points.push_back(Coord(0.5, bWidth, 0));
points.push_back(Coord(0.5, -bWidth, 0));
points.push_back(Coord(bWidth, -bWidth, 0));
points.push_back(Coord(bWidth, -0.5, 0));
points.push_back(Coord(-bWidth, -0.5, 0));
points.push_back(Coord(-bWidth, -bWidth, 0));
points.push_back(Coord(-0.5, -bWidth, 0));
points.push_back(Coord(-0.5, bWidth, 0));
points.push_back(Coord(-bWidth, bWidth, 0));
cross = new GlComplexPolygon(points, Color());
}
}
//=====================================================
Cross::~Cross() {
}
//=====================================================
void Cross::getIncludeBoundingBox(BoundingBox &boundingBox,node) {
boundingBox[0] = Coord(-0.5, -0.5, 0);
boundingBox[1] = Coord(0.5, 0.5, 0);
}
//=====================================================
void Cross::draw(node n, float lod) {
//cross->setLightingMode(true);
string textureName=glGraphInputData->getElementTexture()->getNodeValue(n);
if(textureName!="")
textureName=glGraphInputData->parameters->getTexturePath()+textureName;
draw(glGraphInputData->getElementColor()->getNodeValue(n),
glGraphInputData->getElementBorderColor()->getNodeValue(n),
glGraphInputData->getElementBorderWidth()->getNodeValue(n),
textureName,
lod);
}
void Cross::draw(edge e, node,
const Color & glyphColor,
const Color &borderColor,
float lod) {
//cross->setLightingMode(false);
string textureName=edgeExtGlGraphInputData->getElementTexture()->getEdgeValue(e);
if(textureName!="")
textureName=edgeExtGlGraphInputData->parameters->getTexturePath()+textureName;
draw(glyphColor,
borderColor,
edgeExtGlGraphInputData->getElementBorderWidth()->getEdgeValue(e),
textureName,
lod);
}
//=====================================================
void Cross::draw(const Color &fillColor,
const Color &borderColor,
float borderWidth,
const std::string &textureName,
float lod) {
if(borderWidth<1e-6)
borderWidth=1e-6;
cross->setFillColor(fillColor);
cross->setOutlineMode(true);
cross->setOutlineColor(borderColor);
cross->setOutlineSize(borderWidth);
cross->setTextureName(textureName);
cross->draw(lod,NULL);
}
//=====================================================
Coord Cross::getAnchor(const Coord &vector) const {
Coord v(vector);
float x, y, z;
v.get(x, y, z);
// initialize anchor as the middle of segment points[0], points[1]
Coord anchor(0, 0.5, 0);
float distMin = x*x + ((y - 0.5) * (y - 0.5));
// check with the middle of segment points[3], points[4]
float dist = ((x - 0.5) * (x - 0.5)) + y*y;
if (distMin > dist) {
distMin = dist;
anchor = Coord(0.5, 0, 0);
}
// check with the middle of segment points[7], points[6]
dist = x*x + ((y + 0.5)*(y + 0.5));
if (distMin > dist) {
distMin = dist;
anchor = Coord(0, -0.5, 0);
}
// check with the middle of segment points[9], points[10]
if (distMin > ((x + 0.5) * (x + 0.5)) + y*y)
return Coord(-0.5, 0, 0);
return anchor;
}
/*@}*/
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