viewer.cpp 10.6 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),
untereiner's avatar
untereiner committed
34
	m_drawBoundaryTopo(true),
Pierre Kraemer's avatar
Pierre Kraemer committed
35 36 37 38 39 40 41 42
	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
43
	vertexScaleFactor = 0.1f ;
Pierre Kraemer's avatar
Pierre Kraemer committed
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
	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)) ) ;
73
	setCallBack( dock.check_drawTopo, SIGNAL(toggled(bool)), SLOT(slot_drawTopo(bool)) ) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
74 75 76 77 78 79 80 81 82
	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) ;

	m_render = new Algo::Render::GL2::MapRender() ;
83 84 85
	m_topoRender = new Algo::Render::GL2::TopoRender() ;

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

	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) ;
Sylvain Thery's avatar
Sylvain Thery committed
111
	Geom::Vec4f c(0.0f, 0.0f, 0.0f, 1.0f) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
112 113 114
	m_simpleColorShader->setColor(c) ;

	m_pointSprite = new Utils::PointSprite() ;
Pierre Kraemer's avatar
Pierre Kraemer committed
115
	m_pointSprite->setAttributePosition(m_positionVBO) ;
116
	m_pointSprite->setColor(Geom::Vec4f(0.0f, 0.0f, 1.0f, 1.0f)) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
117 118 119 120 121 122 123 124 125 126 127 128

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

void Viewer::cb_redraw()
{
	if(m_drawVertices)
	{
129
		m_pointSprite->setSize(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
		m_render->draw(m_pointSprite, Algo::Render::GL2::POINTS) ;
	}

	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) ;
	}
157 158 159 160 161 162 163 164 165 166 167 168 169

	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
170 171 172 173 174 175
}

void Viewer::cb_Open()
{
	std::string filters("all (*.*);; trian (*.trian);; ctm (*.ctm);; off (*.off);; ply (*.ply)") ;
	std::string filename = selectFile("Open Mesh", "", filters) ;
176 177
	if (filename.empty())
		return ;
Pierre Kraemer's avatar
Pierre Kraemer committed
178 179 180 181 182

	importMesh(filename) ;
	updateGL() ;
}

183 184
void Viewer::cb_Save()
{
185
	std::string filters("all (*.*);; map (*.map);; off (*.off);; ply (*.ply)") ;
186
	std::string filename = selectFileSave("Save Mesh", "", filters) ;
187

188 189
	if (!filename.empty())
		exportMesh(filename) ;
190 191
}

192 193 194 195 196 197 198 199 200 201 202 203
void Viewer::cb_keyPress(int keycode)
{
    switch(keycode)
    {
    	case 'c' :
    		myMap.check();
    		break;
    	default:
    		break;
    }
}

Pierre Kraemer's avatar
Pierre Kraemer committed
204 205
void Viewer::importMesh(std::string& filename)
{
206 207
	myMap.clear(true) ;

208 209 210 211 212 213
	size_t pos = filename.rfind(".");    // position of "." in filename
	std::string extension = filename.substr(pos);

	if (extension == std::string(".map"))
	{
		myMap.loadMapBin(filename);
214
		position = myMap.getAttribute<VEC3, VERTEX>("position") ;
215 216
	}
	else
Pierre Kraemer's avatar
Pierre Kraemer committed
217
	{
218
		std::vector<std::string> attrNames ;
219
		if(!Algo::Surface::Import::importMesh<PFP>(myMap, filename.c_str(), attrNames))
220 221 222 223
		{
			CGoGNerr << "could not import " << filename << CGoGNendl ;
			return;
		}
224
		position = myMap.getAttribute<PFP::VEC3, VERTEX>(attrNames[0]) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
225
	}
226

Pierre Kraemer's avatar
Pierre Kraemer committed
227 228
	myMap.enableQuickTraversal<VERTEX>() ;

229 230 231
	m_render->initPrimitives<PFP>(myMap, Algo::Render::GL2::POINTS) ;
	m_render->initPrimitives<PFP>(myMap, Algo::Render::GL2::LINES) ;
	m_render->initPrimitives<PFP>(myMap, Algo::Render::GL2::TRIANGLES) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
232

untereiner's avatar
untereiner committed
233
	m_topoRender->updateData<PFP>(myMap, position, 0.85f, 0.85f, m_drawBoundaryTopo) ;
234

235 236
	bb = Algo::Geometry::computeBoundingBox<PFP>(myMap, position) ;
	normalBaseSize = bb.diagSize() / 100.0f ;
237
//	vertexBaseSize = normalBaseSize / 5.0f ;
Sylvain Thery's avatar
MAJ MC  
Sylvain Thery committed
238

239
	normal = myMap.getAttribute<VEC3, VERTEX>("normal") ;
Pierre Kraemer's avatar
Pierre Kraemer committed
240
	if(!normal.isValid())
241
		normal = myMap.addAttribute<VEC3, VERTEX>("normal") ;
Pierre Kraemer's avatar
Pierre Kraemer committed
242

243
	Algo::Surface::Geometry::computeNormalVertices<PFP>(myMap, position, normal) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
244 245 246 247

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

248
	setParamObject(bb.maxSize(), bb.center().data()) ;
Pierre Kraemer's avatar
Pierre Kraemer committed
249 250 251
	updateGLMatrices() ;
}

252
void Viewer::exportMesh(std::string& filename, bool askExportMode)
253
{
254 255
	size_t pos = filename.rfind(".") ;    // position of "." in filename
	std::string extension = filename.substr(pos) ;
256

257
	if (extension == std::string(".off"))
258
		Algo::Surface::Export::exportOFF<PFP>(myMap, position, filename.c_str()) ;
259
	else if (extension.compare(0, 4, std::string(".ply")) == 0)
260
	{
261
		int ascii = 0 ;
262 263 264
		if (askExportMode)
			Utils::QT::inputValues(Utils::QT::VarCombo("binary mode;ascii mode",ascii,"Save in")) ;

265
		std::vector<VertexAttribute<VEC3>*> attributes ;
266
		attributes.push_back(&position) ;
267
		Algo::Surface::Export::exportPLYnew<PFP>(myMap, attributes, filename.c_str(), !ascii) ;
268
	}
269 270
	else if (extension == std::string(".map"))
		myMap.saveMapBin(filename) ;
271 272
	else
		std::cerr << "Cannot save file " << filename << " : unknown or unhandled extension" << std::endl ;
273 274
}

Pierre Kraemer's avatar
Pierre Kraemer committed
275 276 277 278 279 280 281 282
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
283
	vertexScaleFactor = i / 500.0f ;
Pierre Kraemer's avatar
Pierre Kraemer committed
284 285 286 287 288 289 290 291 292 293 294 295
	updateGL() ;
}

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

void Viewer::slot_drawFaces(bool b)
{
	m_drawFaces = b ;
Sylvain Thery's avatar
Sylvain Thery committed
296 297 298 299 300 301 302 303 304 305 306
	if (b)
	{
		Geom::Vec4f c(0.0f, 0.0f, 0.0f, 1.0f) ;
		m_simpleColorShader->setColor(c) ;
	}
	else
	{
		Geom::Vec4f c(0.9f, 0.9f, 0.1f, 1.0f) ;
		m_simpleColorShader->setColor(c) ;
	}

Pierre Kraemer's avatar
Pierre Kraemer committed
307 308 309 310 311 312 313 314 315
	updateGL() ;
}

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

316 317 318 319 320 321
void Viewer::slot_drawTopo(bool b)
{
	m_drawTopo = b ;
	updateGL() ;
}

Pierre Kraemer's avatar
Pierre Kraemer committed
322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345
void Viewer::slot_drawNormals(bool b)
{
	m_drawNormals = b ;
	updateGL() ;
}

void Viewer::slot_normalsSize(int i)
{
	normalScaleFactor = i / 50.0f ;
	updateGL() ;
}

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

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

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

346
	if(argc >= 2)
Pierre Kraemer's avatar
Pierre Kraemer committed
347 348 349
	{
		std::string filename(argv[1]) ;
		sqt.importMesh(filename) ;
350 351 352 353
		if(argc >= 3)
		{
			std::string filenameExp(argv[2]) ;
			std::cout << "Exporting " << filename << " as " << filenameExp << " ... "<< std::flush ;
354
			sqt.exportMesh(filenameExp, false) ;
355 356 357 358
			std::cout << "done!" << std::endl ;

			return (0) ;
		}
Pierre Kraemer's avatar
Pierre Kraemer committed
359 360 361 362 363 364
	}

	sqt.initGUI() ;

	return app.exec() ;
}