viewer.cpp 10.5 KB
Newer Older
Pierre Kraemer's avatar
Pierre Kraemer committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
* Copyright (C) 2009, 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.           *
*                                                                              *
20
* Web site: http://cgogn.unistra.fr/                                  *
Pierre Kraemer's avatar
Pierre Kraemer committed
21 22 23 24 25 26 27 28 29 30 31 32
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

#include "viewer.h"

Viewer::Viewer() :
	m_renderStyle(FLAT),
	m_drawVertices(false),
	m_drawEdges(false),
	m_drawFaces(true),
	m_drawNormals(false),
33
	m_drawTopo(false),
Pierre Kraemer's avatar
Pierre Kraemer committed
34 35 36 37 38 39 40 41
	m_render(NULL),
	m_phongShader(NULL),
	m_flatShader(NULL),
	m_vectorShader(NULL),
	m_simpleColorShader(NULL),
	m_pointSprite(NULL)
{
	normalScaleFactor = 1.0f ;
Sylvain Thery's avatar
MAJ MC  
Sylvain Thery committed
42
	vertexScaleFactor = 0.1f ;
Pierre Kraemer's avatar
Pierre Kraemer committed
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
	faceShrinkage = 1.0f ;

	colClear = Geom::Vec4f(0.2f, 0.2f, 0.2f, 0.1f) ;
	colDif = Geom::Vec4f(0.8f, 0.9f, 0.7f, 1.0f) ;
	colSpec = Geom::Vec4f(0.9f, 0.9f, 0.9f, 1.0f) ;
	colNormal = Geom::Vec4f(1.0f, 0.0f, 0.0f, 1.0f) ;
	shininess = 80.0f ;
}

void Viewer::initGUI()
{
    setDock(&dock) ;

    dock.check_drawVertices->setChecked(false) ;
    dock.check_drawEdges->setChecked(false) ;
    dock.check_drawFaces->setChecked(true) ;
    dock.check_drawNormals->setChecked(false) ;

    dock.slider_verticesSize->setVisible(false) ;
    dock.slider_normalsSize->setVisible(false) ;

    dock.slider_verticesSize->setSliderPosition(50) ;
    dock.slider_normalsSize->setSliderPosition(50) ;

	setCallBack( dock.check_drawVertices, SIGNAL(toggled(bool)), SLOT(slot_drawVertices(bool)) ) ;
	setCallBack( dock.slider_verticesSize, SIGNAL(valueChanged(int)), SLOT(slot_verticesSize(int)) ) ;
	setCallBack( dock.check_drawEdges, SIGNAL(toggled(bool)), SLOT(slot_drawEdges(bool)) ) ;
	setCallBack( dock.check_drawFaces, SIGNAL(toggled(bool)), SLOT(slot_drawFaces(bool)) ) ;
	setCallBack( dock.combo_faceLighting, SIGNAL(currentIndexChanged(int)), SLOT(slot_faceLighting(int)) ) ;
72
	setCallBack( dock.check_drawTopo, SIGNAL(toggled(bool)), SLOT(slot_drawTopo(bool)) ) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
73 74 75 76 77 78 79 80 81 82 83
	setCallBack( dock.check_drawNormals, SIGNAL(toggled(bool)), SLOT(slot_drawNormals(bool)) ) ;
	setCallBack( dock.slider_normalsSize, SIGNAL(valueChanged(int)), SLOT(slot_normalsSize(int)) ) ;
}

void Viewer::cb_initGL()
{
	Utils::GLSLShader::setCurrentOGLVersion(2) ;

	setFocal(5.0f) ;

	m_render = new Algo::Render::GL2::MapRender() ;
84 85 86
	m_topoRender = new Algo::Render::GL2::TopoRender() ;

	m_topoRender->setInitialDartsColor(0.25f, 0.25f, 0.25f) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
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

	m_positionVBO = new Utils::VBO() ;
	m_normalVBO = new Utils::VBO() ;

	m_phongShader = new Utils::ShaderPhong() ;
	m_phongShader->setAttributePosition(m_positionVBO) ;
	m_phongShader->setAttributeNormal(m_normalVBO) ;
	m_phongShader->setAmbiant(colClear) ;
	m_phongShader->setDiffuse(colDif) ;
	m_phongShader->setSpecular(colSpec) ;
	m_phongShader->setShininess(shininess) ;

	m_flatShader = new Utils::ShaderFlat() ;
	m_flatShader->setAttributePosition(m_positionVBO) ;
	m_flatShader->setAmbiant(colClear) ;
	m_flatShader->setDiffuse(colDif) ;
	m_flatShader->setExplode(faceShrinkage) ;

	m_vectorShader = new Utils::ShaderVectorPerVertex() ;
	m_vectorShader->setAttributePosition(m_positionVBO) ;
	m_vectorShader->setAttributeVector(m_normalVBO) ;
	m_vectorShader->setColor(colNormal) ;

	m_simpleColorShader = new Utils::ShaderSimpleColor() ;
	m_simpleColorShader->setAttributePosition(m_positionVBO) ;
	Geom::Vec4f c(0.1f, 0.1f, 0.1f, 1.0f) ;
	m_simpleColorShader->setColor(c) ;

	m_pointSprite = new Utils::PointSprite() ;

	registerShader(m_phongShader) ;
	registerShader(m_flatShader) ;
	registerShader(m_vectorShader) ;
	registerShader(m_simpleColorShader) ;
	registerShader(m_pointSprite) ;
}

void Viewer::cb_redraw()
{
	if(m_drawVertices)
	{
Sylvain Thery's avatar
MAJ MC  
Sylvain Thery committed
128
		float size = vertexScaleFactor ;
129
		m_pointSprite->setAttributePosition(m_positionVBO) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159
		m_pointSprite->setSize(size) ;
		m_pointSprite->predraw(Geom::Vec3f(0.0f, 0.0f, 1.0f)) ;
		m_render->draw(m_pointSprite, Algo::Render::GL2::POINTS) ;
		m_pointSprite->postdraw() ;
	}

	if(m_drawEdges)
	{
		glLineWidth(1.0f) ;
		m_render->draw(m_simpleColorShader, Algo::Render::GL2::LINES) ;
	}

	if(m_drawFaces)
	{
		glPolygonMode(GL_FRONT_AND_BACK, GL_FILL) ;
		glEnable(GL_LIGHTING) ;
		glEnable(GL_POLYGON_OFFSET_FILL) ;
		glPolygonOffset(1.0f, 1.0f) ;
		switch(m_renderStyle)
		{
			case FLAT :
				m_flatShader->setExplode(faceShrinkage) ;
				m_render->draw(m_flatShader, Algo::Render::GL2::TRIANGLES) ;
				break ;
			case PHONG :
				m_render->draw(m_phongShader, Algo::Render::GL2::TRIANGLES) ;
				break ;
		}
		glDisable(GL_POLYGON_OFFSET_FILL) ;
	}
160 161 162 163 164 165 166 167 168 169 170 171 172

	if(m_drawTopo)
	{
		m_topoRender->drawTopo() ;
	}

	if(m_drawNormals)
	{
		float size = normalBaseSize * normalScaleFactor ;
		m_vectorShader->setScale(size) ;
		glLineWidth(1.0f) ;
		m_render->draw(m_vectorShader, Algo::Render::GL2::POINTS) ;
	}
Pierre Kraemer's avatar
Pierre Kraemer committed
173 174 175 176 177 178
}

void Viewer::cb_Open()
{
	std::string filters("all (*.*);; trian (*.trian);; ctm (*.ctm);; off (*.off);; ply (*.ply)") ;
	std::string filename = selectFile("Open Mesh", "", filters) ;
179 180
	if (filename.empty())
		return ;
Pierre Kraemer's avatar
Pierre Kraemer committed
181 182 183 184 185

	importMesh(filename) ;
	updateGL() ;
}

186 187
void Viewer::cb_Save()
{
188
	std::string filters("all (*.*);; map (*.map);; off (*.off);; ply (*.ply)") ;
189
	std::string filename = selectFileSave("Save Mesh", "", filters) ;
190

191
	exportMesh(filename) ;
192 193
}

194 195 196 197 198 199 200 201 202 203 204 205
void Viewer::cb_keyPress(int keycode)
{
    switch(keycode)
    {
    	case 'c' :
    		myMap.check();
    		break;
    	default:
    		break;
    }
}

Pierre Kraemer's avatar
Pierre Kraemer committed
206 207
void Viewer::importMesh(std::string& filename)
{
208 209
	myMap.clear(true) ;

210 211 212 213 214 215
	size_t pos = filename.rfind(".");    // position of "." in filename
	std::string extension = filename.substr(pos);

	if (extension == std::string(".map"))
	{
		myMap.loadMapBin(filename);
216
		position = myMap.getAttribute<VEC3, VERTEX>("position") ;
217 218
	}
	else
Pierre Kraemer's avatar
Pierre Kraemer committed
219
	{
220 221 222 223 224 225
		std::vector<std::string> attrNames ;
		if(!Algo::Import::importMesh<PFP>(myMap, filename.c_str(), attrNames))
		{
			CGoGNerr << "could not import " << filename << CGoGNendl ;
			return;
		}
226
		position = myMap.getAttribute<PFP::VEC3, VERTEX>(attrNames[0]) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
227
	}
228

Pierre Kraemer's avatar
Pierre Kraemer committed
229 230
	myMap.enableQuickTraversal<VERTEX>() ;

Pierre Kraemer's avatar
Pierre Kraemer committed
231 232
	m_render->initPrimitives<PFP>(myMap, allDarts, Algo::Render::GL2::POINTS) ;
	m_render->initPrimitives<PFP>(myMap, allDarts, Algo::Render::GL2::LINES) ;
233
	m_render->initPrimitives<PFP>(myMap, allDarts, Algo::Render::GL2::TRIANGLES) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
234

235 236
	m_topoRender->updateData<PFP>(myMap, position, 0.85f, 0.85f) ;

237 238
	bb = Algo::Geometry::computeBoundingBox<PFP>(myMap, position) ;
	normalBaseSize = bb.diagSize() / 100.0f ;
239
//	vertexBaseSize = normalBaseSize / 5.0f ;
Sylvain Thery's avatar
MAJ MC  
Sylvain Thery committed
240

241
	normal = myMap.getAttribute<VEC3, VERTEX>("normal") ;
Pierre Kraemer's avatar
Pierre Kraemer committed
242
	if(!normal.isValid())
243
		normal = myMap.addAttribute<VEC3, VERTEX>("normal") ;
Pierre Kraemer's avatar
Pierre Kraemer committed
244 245 246 247 248 249

	Algo::Geometry::computeNormalVertices<PFP>(myMap, position, normal) ;

	m_positionVBO->updateData(position) ;
	m_normalVBO->updateData(normal) ;

250
	setParamObject(bb.maxSize(), bb.center().data()) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
251 252 253
	updateGLMatrices() ;
}

254
void Viewer::exportMesh(std::string& filename, bool askExportMode)
255
{
256 257
	size_t pos = filename.rfind(".") ;    // position of "." in filename
	std::string extension = filename.substr(pos) ;
258

259
	if (extension == std::string(".off"))
260
		Algo::Export::exportOFF<PFP>(myMap, position, filename.c_str(), allDarts) ;
261
	else if (extension.compare(0, 4, std::string(".ply")) == 0)
262
	{
263
		int ascii = 0 ;
264 265 266
		if (askExportMode)
			Utils::QT::inputValues(Utils::QT::VarCombo("binary mode;ascii mode",ascii,"Save in")) ;

267
		std::vector<VertexAttribute<VEC3>*> attributes ;
268
		attributes.push_back(&position) ;
269
		Algo::Export::exportPLYnew<PFP>(myMap, attributes, filename.c_str(), !ascii, allDarts) ;
270
	}
271 272
	else if (extension == std::string(".map"))
		myMap.saveMapBin(filename) ;
273 274
	else
		std::cerr << "Cannot save file " << filename << " : unknown or unhandled extension" << std::endl ;
275 276
}

Pierre Kraemer's avatar
Pierre Kraemer committed
277 278 279 280 281 282 283 284
void Viewer::slot_drawVertices(bool b)
{
	m_drawVertices = b ;
	updateGL() ;
}

void Viewer::slot_verticesSize(int i)
{
Sylvain Thery's avatar
MAJ MC  
Sylvain Thery committed
285
	vertexScaleFactor = i / 500.0f ;
Pierre Kraemer's avatar
Pierre Kraemer committed
286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306
	updateGL() ;
}

void Viewer::slot_drawEdges(bool b)
{
	m_drawEdges = b ;
	updateGL() ;
}

void Viewer::slot_drawFaces(bool b)
{
	m_drawFaces = b ;
	updateGL() ;
}

void Viewer::slot_faceLighting(int i)
{
	m_renderStyle = i ;
	updateGL() ;
}

307 308 309 310 311 312
void Viewer::slot_drawTopo(bool b)
{
	m_drawTopo = b ;
	updateGL() ;
}

Pierre Kraemer's avatar
Pierre Kraemer committed
313 314 315 316 317 318 319 320 321
void Viewer::slot_drawNormals(bool b)
{
	m_drawNormals = b ;
	updateGL() ;
}

void Viewer::slot_normalsSize(int i)
{
	normalScaleFactor = i / 50.0f ;
322
	m_topoRender->updateData<PFP>(myMap, position, i / 100.0f, i / 100.0f) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
323 324 325 326 327 328 329 330 331 332 333
	updateGL() ;
}

/**********************************************************************************************
 *                                      MAIN FUNCTION                                         *
 **********************************************************************************************/

int main(int argc, char **argv)
{
	QApplication app(argc, argv) ;

334 335
	srand(123) ;

Pierre Kraemer's avatar
Pierre Kraemer committed
336 337 338 339
	Viewer sqt ;
	sqt.setGeometry(0, 0, 1000, 800) ;
 	sqt.show() ;

340
	if(argc >= 2)
Pierre Kraemer's avatar
Pierre Kraemer committed
341 342 343
	{
		std::string filename(argv[1]) ;
		sqt.importMesh(filename) ;
344 345 346 347
		if(argc >= 3)
		{
			std::string filenameExp(argv[2]) ;
			std::cout << "Exporting " << filename << " as " << filenameExp << " ... "<< std::flush ;
348
			sqt.exportMesh(filenameExp, false) ;
349 350 351 352
			std::cout << "done!" << std::endl ;

			return (0) ;
		}
Pierre Kraemer's avatar
Pierre Kraemer committed
353 354 355 356 357 358
	}

	sqt.initGUI() ;

	return app.exec() ;
}