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Diffstat (limited to 'source/blender/freestyle/intern/app/AppGL2DCurvesViewer.cpp')
| -rwxr-xr-x | source/blender/freestyle/intern/app/AppGL2DCurvesViewer.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/app/AppGL2DCurvesViewer.cpp b/source/blender/freestyle/intern/app/AppGL2DCurvesViewer.cpp new file mode 100755 index 00000000000..0915a4c3cbd --- /dev/null +++ b/source/blender/freestyle/intern/app/AppGL2DCurvesViewer.cpp @@ -0,0 +1,152 @@ + +// +// Copyright (C) : Please refer to the COPYRIGHT file distributed +// with this source distribution. +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your option) any later version. +// +// This program 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. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +/////////////////////////////////////////////////////////////////////////////// + +#include "AppGL2DCurvesViewer.h" +#include "../rendering/GLRenderer.h" +#include "../scene_graph/NodeShape.h" +#include "../scene_graph/LineRep.h" +#include "../scene_graph/VertexRep.h" + +AppGL2DCurvesViewer::AppGL2DCurvesViewer(QWidget *iParent, const char *iName) +: QGLViewer(iParent) +{ + _RootNode.SetLightingEnabled(false); + _RootNode.SetLineWidth(1.0); + _pGLRenderer = new GLRenderer; +} +AppGL2DCurvesViewer::~AppGL2DCurvesViewer(){ + makeCurrent(); + _RootNode.destroy(); + if(_pGLRenderer) + delete _pGLRenderer; +} + +void AppGL2DCurvesViewer::SetRange(const Vec2d& vmin, const Vec2d& vmax, const char * xlabel, const char *ylabel){ + _vmin = vmin; + _vmax = vmax; + _xmargin = (vmax.x()-vmin.x())/20.0; + _ymargin = (vmax.y()-vmin.y())/20.0; + _left = vmin.x()-_xmargin; + _right = vmax.x()+_xmargin; + _bottom = vmin.y()- _ymargin; + _top = vmax.y()+_ymargin; + if(xlabel) + _xlabel = xlabel; + if(ylabel) + _ylabel = ylabel; +} +void AppGL2DCurvesViewer::SetCurve(const Vec2d& vmin, const Vec2d& vmax, const vector<Vec3r>& iPoints, const char *xlabel, const char *ylabel){ + SetRange(vmin, vmax, xlabel, ylabel); + vector<Node*> nodes; + _RootNode.RetrieveChildren(nodes); + _RootNode.DetachChildren(); + for(vector<Node*>::iterator n=nodes.begin(), nend=nodes.end(); + n!=nend; + ++n){ + delete (*n); + } + _curve.clear(); + _curve = iPoints; + NodeGroup * curveNode = new NodeGroup; + NodeShape * shape = new NodeShape; + shape->material().SetDiffuse(0,0,0,1); + curveNode->AddChild(shape); + shape->AddRep(new LineRep(iPoints)); + for(vector<Vec3r>::const_iterator v=iPoints.begin(), vend=iPoints.end(); + v!=vend; + ++v){ + shape->AddRep(new VertexRep(v->x(), v->y(), v->z())); + } + _RootNode.AddChild(curveNode); + updateGL(); +} + +void AppGL2DCurvesViewer::AddNode(Node* iNode){ + _RootNode.AddChild(iNode); +} + +void AppGL2DCurvesViewer::DetachNode(Node* iNode){ + _RootNode.DetachChild(iNode); +} + +void AppGL2DCurvesViewer::RetrieveNodes(vector<Node*>& oNodes){ + _RootNode.RetrieveChildren(oNodes); +} + +void AppGL2DCurvesViewer::init(){ + glClearColor(1,1,1,1); + _left = 0; + _right = width(); + _bottom = 0; + _top = height(); +} +void AppGL2DCurvesViewer::draw(){ + glPushAttrib(GL_ALL_ATTRIB_BITS); + +// // Projection Matrix +// //================== + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(_left,_right, _bottom, _top, -1.0, 1.0); + + //Modelview Matrix + //================ + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glDisable(GL_DEPTH_TEST); + // draw axis + glColor3f(0.5, 0.5, 0.5); + // x axis + glBegin(GL_LINES); + glVertex2f(_left, _vmin.y()); + glVertex2f(_vmax.x(), _vmin.y()); + glEnd(); + QFont serifFont( "Times", 8); + if(!_xlabel.isEmpty()){ + renderText(width()-30, height()-1, _xlabel, serifFont); + //renderText(_vmax.x()-_xmargin, _vmin.y(), 0, _xlabel, serifFont); + } + + // y axis + glBegin(GL_LINES); + glVertex2f(_vmin.x(), _bottom); + glVertex2f(_vmin.x(), _vmax.y()); + glEnd(); + if(!_ylabel.isEmpty()){ + //renderText(_vmin.x(), _vmax.y()-3*_ymargin, _ylabel, serifFont); + renderText(12, 10, _ylabel, serifFont); + } + _RootNode.accept(*_pGLRenderer); + serifFont.setPointSize(7); + for(vector<Vec3r>::iterator v=_curve.begin(), vend=_curve.end(); + v!=vend; + ++v){ + if(v->y() == 0) + continue; + QString label = QString( "(%1, %2)" ) + .arg( (int)v->x()) + .arg( v->y(), 0, 'E', 1 ); + + renderText(v->x(), v->y(), 0, label, serifFont); + } + glPopAttrib(); + +}
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