1 files changed, 220 insertions, 0 deletions
diff --git a/lib/tqwtplot3d/examples/mesh2/src/lightingdlg.cpp b/lib/tqwtplot3d/examples/mesh2/src/lightingdlg.cpp
new file mode 100644
index 0000000..0d46b2c
--- /dev/null
+++ b/lib/tqwtplot3d/examples/mesh2/src/lightingdlg.cpp
@@ -0,0 +1,220 @@
+#include <qlayout.h>
+#include <qframe.h>
+#include <qslider.h>
+#include <qcheckbox.h>
+#include <qpushbutton.h>
+
+#include "lightingdlg.h"
+
+using namespace Qwt3D;
+
+class Sphere : public ParametricSurface
+{
+public:
+
+  Sphere(SurfacePlot& pw)
+  :ParametricSurface(pw)
+  {
+    setMesh(41,31);
+    setDomain(0,2*Qwt3D::PI,0,Qwt3D::PI);
+    setPeriodic(false,false);
+  }
+
+
+  Triple operator()(double u, double v)
+  {
+    double x,y,z;
+    double r = 1;
+    x = r*cos(u)*sin(v);
+    y = r*sin(u)*sin(v);
+    z = r*cos(v);
+    return Triple(x,y,z);
+  }
+};
+
+
+/////////////////////////////////////////////////////////////////
+//
+//   Plot
+//
+/////////////////////////////////////////////////////////////////
+
+Plot::Plot(QWidget *parent)
+: SurfacePlot(parent)
+{
+  setTitle("A Simple SurfacePlot Demonstration");
+  
+  Sphere sphere(*this);
+  sphere.create();
+
+  reset();  
+  assignMouse(Qt::LeftButton,
+    Qt::RightButton,
+    Qt::LeftButton,
+    Qt::NoButton,
+    Qt::NoButton,
+    Qt::NoButton,
+    Qt::NoButton,
+    Qt::NoButton,
+    Qt::NoButton
+    );
+
+  stick = (Pointer*)addEnrichment(Pointer(0.05));
+  stick->setPos(0,0,1);
+}
+
+void Plot::reset()
+{
+  makeCurrent();
+  setRotation(0,0,0);
+  setTitle("Use your mouse buttons and keyboard");
+  setTitleFont("Arial", 8, QFont::Bold);
+  setTitleColor(RGBA(0.9,0.9,0.9));
+  setSmoothMesh(true);
+  setZoom(0.9);
+  setCoordinateStyle(NOCOORD);
+  setMeshColor(RGBA(0.6,0.6,0.6,0.3));
+  setPlotStyle(FILLEDMESH);
+  setBackgroundColor(RGBA(0,0,0));
+
+  updateData();
+}
+
+/////////////////////////////////////////////////////////////////
+//
+//   Pointer
+//
+/////////////////////////////////////////////////////////////////
+
+
+Pointer::Pointer(double rad)
+{
+  configure(rad);
+}
+
+Pointer::~Pointer()
+{
+}
+
+void Pointer::configure(double rad)
+{
+  plot = 0;
+  
+  radius_ = rad;
+}
+
+void Pointer::drawBegin()
+{
+  GLint mode;
+	glGetIntegerv(GL_MATRIX_MODE, &mode);
+	glMatrixMode( GL_MODELVIEW );
+  glPushMatrix();
+  
+  glColor3d(1,0,0);
+  glBegin(GL_LINES);
+    glVertex3d(pos_.x, pos_.y, pos_.z);
+    glVertex3d(0, 0, 0);
+  glEnd();
+
+  glPopMatrix();
+	glMatrixMode(mode);
+}
+
+
+LightingDlg::LightingDlg(QWidget *parent)
+:LightingBase(parent)
+{
+#if QT_VERSION < 0x040000
+  QGridLayout *grid = new QGridLayout( frame, 0, 0 );
+#else
+  setupUi(this);
+  QGridLayout *grid = new QGridLayout( frame);
+#endif
+
+  dataPlot = 0;
+  
+  plot = new Plot(frame);
+  plot->updateData();
+
+  grid->addWidget( plot, 0, 0 );
+
+	connect( stdlight, SIGNAL( clicked() ), this, SLOT( reset() ) );
+	connect( distSL, SIGNAL(valueChanged(int)), this, SLOT(setDistance(int)) );
+	connect( emissSL, SIGNAL(valueChanged(int)), this, SLOT(setEmission(int)) );
+	connect( ambdiffSL, SIGNAL(valueChanged(int)), this, SLOT(setDiff(int)) );
+	connect( specSL, SIGNAL(valueChanged(int)), this, SLOT(setSpec(int)) );
+	connect( shinSL, SIGNAL(valueChanged(int)), this, SLOT(setShin(int)) );
+  connect( plot, SIGNAL(rotationChanged(double, double, double)), this, SLOT(setRotation(double, double, double)) );
+}
+
+LightingDlg::~LightingDlg()
+{
+  delete plot;
+}
+
+void LightingDlg::setEmission(int val)
+{
+  if (!dataPlot)
+    return;
+  dataPlot->setMaterialComponent(GL_EMISSION, val / 100.);
+  dataPlot->updateGL();
+}
+void LightingDlg::setDiff(int val)
+{
+  if (!dataPlot)
+    return;
+  dataPlot->setLightComponent(GL_DIFFUSE, val / 100.);
+  dataPlot->updateGL();
+}
+void LightingDlg::setSpec(int val)
+{
+  if (!dataPlot)
+    return;
+  dataPlot->setMaterialComponent(GL_SPECULAR, val / 100.);
+  dataPlot->updateGL();
+}
+void LightingDlg::setShin(int val)
+{
+  if (!dataPlot)
+    return;
+  dataPlot->setShininess( val / 100.);
+  dataPlot->updateGL();
+}
+
+void LightingDlg::reset()
+{
+  plot->reset();
+  if (dataPlot)
+    dataPlot->updateGL();
+}
+
+void LightingDlg::setDistance(int val)
+{
+  
+  plot->stick->setPos(0,0,val/100.);
+  plot->updateData();
+  plot->updateGL();
+  
+  double drad = (dataPlot->hull().maxVertex-dataPlot->hull().minVertex).length();
+  drad *= val/20.;
+
+  dataPlot->setLightShift(drad,drad,drad);
+  dataPlot->updateGL();
+}
+
+void LightingDlg::assign(Qwt3D::Plot3D* pl) 
+{
+  if (!pl) 
+    return;
+  dataPlot = pl;
+}
+
+void LightingDlg::setRotation(double x, double y, double z)
+{
+  if (!dataPlot)
+    return;
+  
+  setDistance(distSL->value());
+  dataPlot->setLightRotation(x,y,z);
+  dataPlot->updateGL();
+}