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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128

	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() ;
	m_pointSprite->setAttributePosition(m_positionVBO) ;

	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
129
		float size = vertexScaleFactor ;
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
}

Pierre Kraemer's avatar
Pierre Kraemer committed
194 195
void Viewer::importMesh(std::string& filename)
{
196 197
	myMap.clear(true) ;

198 199 200 201 202 203
	size_t pos = filename.rfind(".");    // position of "." in filename
	std::string extension = filename.substr(pos);

	if (extension == std::string(".map"))
	{
		myMap.loadMapBin(filename);
204
		position = myMap.getAttribute<VEC3, VERTEX>("position") ;
205 206
	}
	else
Pierre Kraemer's avatar
Pierre Kraemer committed
207
	{
208 209 210 211 212 213
		std::vector<std::string> attrNames ;
		if(!Algo::Import::importMesh<PFP>(myMap, filename.c_str(), attrNames))
		{
			CGoGNerr << "could not import " << filename << CGoGNendl ;
			return;
		}
214
		position = myMap.getAttribute<PFP::VEC3, VERTEX>(attrNames[0]) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
215
	}
216

Pierre Kraemer's avatar
Pierre Kraemer committed
217 218
	myMap.enableQuickTraversal<VERTEX>() ;

Pierre Kraemer's avatar
Pierre Kraemer committed
219 220
	m_render->initPrimitives<PFP>(myMap, allDarts, Algo::Render::GL2::POINTS) ;
	m_render->initPrimitives<PFP>(myMap, allDarts, Algo::Render::GL2::LINES) ;
221
	m_render->initPrimitives<PFP>(myMap, allDarts, Algo::Render::GL2::TRIANGLES) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
222

223 224
	m_topoRender->updateData<PFP>(myMap, position, 0.85f, 0.85f) ;

225 226
	bb = Algo::Geometry::computeBoundingBox<PFP>(myMap, position) ;
	normalBaseSize = bb.diagSize() / 100.0f ;
227
//	vertexBaseSize = normalBaseSize / 5.0f ;
Sylvain Thery's avatar
MAJ MC  
Sylvain Thery committed
228

229
	normal = myMap.getAttribute<VEC3, VERTEX>("normal") ;
Pierre Kraemer's avatar
Pierre Kraemer committed
230
	if(!normal.isValid())
231
		normal = myMap.addAttribute<VEC3, VERTEX>("normal") ;
Pierre Kraemer's avatar
Pierre Kraemer committed
232 233 234 235 236 237

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

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

238
	setParamObject(bb.maxSize(), bb.center().data()) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
239 240 241
	updateGLMatrices() ;
}

242
void Viewer::exportMesh(std::string& filename, bool askExportMode)
243
{
244 245
	size_t pos = filename.rfind(".") ;    // position of "." in filename
	std::string extension = filename.substr(pos) ;
246

247
	if (extension == std::string(".off"))
248
		Algo::Export::exportOFF<PFP>(myMap, position, filename.c_str(), allDarts) ;
249
	else if (extension.compare(0, 4, std::string(".ply")) == 0)
250
	{
251
		int ascii = 0 ;
252 253 254
		if (askExportMode)
			Utils::QT::inputValues(Utils::QT::VarCombo("binary mode;ascii mode",ascii,"Save in")) ;

255
		std::vector<VertexAttribute<VEC3>*> attributes ;
256
		attributes.push_back(&position) ;
257
		Algo::Export::exportPLYnew<PFP>(myMap, attributes, filename.c_str(), !ascii, allDarts) ;
258
	}
259 260
	else if (extension == std::string(".map"))
		myMap.saveMapBin(filename) ;
261 262
	else
		std::cerr << "Cannot save file " << filename << " : unknown or unhandled extension" << std::endl ;
263 264
}

Pierre Kraemer's avatar
Pierre Kraemer committed
265 266 267 268 269 270 271 272
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
273
	vertexScaleFactor = i / 500.0f ;
Pierre Kraemer's avatar
Pierre Kraemer committed
274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294
	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() ;
}

295 296 297 298 299 300
void Viewer::slot_drawTopo(bool b)
{
	m_drawTopo = b ;
	updateGL() ;
}

Pierre Kraemer's avatar
Pierre Kraemer committed
301 302 303 304 305 306 307 308 309
void Viewer::slot_drawNormals(bool b)
{
	m_drawNormals = b ;
	updateGL() ;
}

void Viewer::slot_normalsSize(int i)
{
	normalScaleFactor = i / 50.0f ;
310
	m_topoRender->updateData<PFP>(myMap, position, i / 100.0f, i / 100.0f) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
311 312 313
	updateGL() ;
}

untereiner's avatar
untereiner committed
314 315 316 317 318 319 320 321 322 323 324 325 326 327 328
void Viewer::cb_keyPress(int keycode)
{
    switch(keycode)
    {
    	case 'c' :
    		myMap.check();
    		break;
    	default:
    		break;
    }

    updateGLMatrices() ;
    updateGL();
}

Pierre Kraemer's avatar
Pierre Kraemer committed
329 330 331 332 333 334 335 336 337 338 339 340
/**********************************************************************************************
 *                                      MAIN FUNCTION                                         *
 **********************************************************************************************/

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

	Viewer sqt ;
	sqt.setGeometry(0, 0, 1000, 800) ;
 	sqt.show() ;

341
	if(argc >= 2)
Pierre Kraemer's avatar
Pierre Kraemer committed
342 343 344
	{
		std::string filename(argv[1]) ;
		sqt.importMesh(filename) ;
345 346 347 348
		if(argc >= 3)
		{
			std::string filenameExp(argv[2]) ;
			std::cout << "Exporting " << filename << " as " << filenameExp << " ... "<< std::flush ;
349
			sqt.exportMesh(filenameExp, false) ;
350 351 352 353
			std::cout << "done!" << std::endl ;

			return (0) ;
		}
Pierre Kraemer's avatar
Pierre Kraemer committed
354 355 356 357 358 359
	}

	sqt.initGUI() ;

	return app.exec() ;
}