wallPaper.cpp 4.59 KB
Newer Older
Sylvain Thery's avatar
Sylvain Thery committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
* Copyright (C) 2009-2012, IGG Team, LSIIT, University of Strasbourg           *
*                                                                              *
* This library 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 2.1 of the License, or (at your     *
* option) any later version.                                                   *
*                                                                              *
* This library 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 Lesser General Public License  *
* for more details.                                                            *
*                                                                              *
* You should have received a copy of the GNU Lesser General Public License     *
* along with this library; if not, write to the Free Software Foundation,      *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
*                                                                              *
* Web site: http://cgogn.unistra.fr/                                           *
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

#include "wallPaper.h"
#include "Algo/Tiling/Surface/square.h"

using namespace CGoGN ;

void MyQT::cb_initGL()
{
	position = myMap.addAttribute<PFP::VEC3, VERTEX, MAP>("position");
	Algo::Surface::Tilings::Square::Cylinder<PFP> c(myMap,20,20);
	c.embedIntoCylinder(position,0.5,0.7,1.0);
	Geom::BoundingBox<PFP::VEC3> bb = Algo::Geometry::computeBoundingBox<PFP>(myMap, position);
	float lWidthObj = std::max<PFP::REAL>(std::max<PFP::REAL>(bb.size(0), bb.size(1)), bb.size(2));
	Geom::Vec3f lPosObj = (bb.min() +  bb.max()) / PFP::REAL(2);
	setParamObject(lWidthObj,lPosObj.data());

	Utils::GLSLShader::setCurrentOGLVersion(2);

	// create the render
	m_render = new Algo::Render::GL2::MapRender();

	// create VBO for position
	m_positionVBO = new Utils::VBO();
	m_positionVBO->updateData(position);

	m_shader = new Utils::ShaderSimpleColor();
	m_shader->setAttributePosition(m_positionVBO);
	m_shader->setColor(Geom::Vec4f(1.0,0.0,0.0,0.));

	m_render->initPrimitives<PFP>(myMap, Algo::Render::GL2::LINES);

	registerShader(m_shader);


	// FOR WALL PAPER

	m_textureWP = new Utils::Texture<2,Geom::Vec3uc>(GL_UNSIGNED_BYTE);
	if (!m_textureWP->load("../SCHNApps/resources/cgogn/cgogn2.png"))
		computeTexture();
	m_textureWP->update();
	m_textureWP->setWrapping(GL_CLAMP_TO_EDGE);

	m_shaderWP = new Utils::ShaderWallPaper();
	m_shaderWP->setTextureUnit(GL_TEXTURE0);
	m_shaderWP->setTexture(m_textureWP);
	registerShader(m_shaderWP);

	glEnable(GL_TEXTURE_2D);


}

void MyQT::cb_redraw()
{
	// FOR WALL PAPER
	m_render->draw(m_shader, Algo::Render::GL2::LINES);

	m_shaderWP->draw();
}


void MyQT::cb_keyPress(int keycode)
{
	switch(keycode)
	{
	case 'l' :
		if (m_textureWP->load("../SCHNApps/resources/cgogn/cgogn2.png"))
			m_textureWP->update();
		m_textureWP->setWrapping(GL_CLAMP_TO_EDGE);
		break;

	case 'c' :
		computeTexture();
		m_textureWP->update();
		m_textureWP->setWrapping(GL_CLAMP_TO_EDGE);
		break;
	}
	updateGL();
}



void MyQT::computeTexture()
{
	std::vector<Geom::Vec3f> colorTable;
	colorTable.push_back(Geom::Vec3uc(255,0,0));
	colorTable.push_back(Geom::Vec3uc(0,255,0));
	colorTable.push_back(Geom::Vec3uc(0,0,255));
	colorTable.push_back(Geom::Vec3uc(255,255,0));
	colorTable.push_back(Geom::Vec3uc(255,0,255));
	colorTable.push_back(Geom::Vec3uc(0,255,255));
	colorTable.push_back(Geom::Vec3uc(255,255,255));

	m_textureWP->create(Geom::Vec2ui(16,16));

#define WIDTHCHECKER 2
	for (unsigned int ki = 0; ki < m_textureWP->size()[0]; ++ki)
	{
		for (unsigned int kj = 0; kj <  m_textureWP->size()[1]; ++kj)
		{
			unsigned int kc = ((kj/WIDTHCHECKER)*m_textureWP->size()[0] + (ki/WIDTHCHECKER))%7;
			(*m_textureWP)(ki,kj) =colorTable[kc];
		}
	}
#undef WIDTHCHECKER
}

int main(int argc, char **argv)
{
	// interface:
	QApplication app(argc, argv);
	MyQT sqt;

	sqt.show();

	return app.exec();
}