cgal/AABB_tree/demo/Viewer.cpp

52 lines
965 B
C++

#include "Viewer.h"
#include "Scene.h"
Viewer::Viewer(QWidget* parent)
: QGLViewer(parent),
m_pScene(NULL)
{
setBackgroundColor(::Qt::white);
}
void Viewer::setScene(Scene* pScene)
{
this->m_pScene = pScene;
}
void Viewer::draw()
{
QGLViewer::draw();
if(m_pScene == 0)
return;
::glLineWidth(1.0f);
::glPointSize(10.f);
::glEnable(GL_POLYGON_OFFSET_FILL);
::glPolygonOffset(1.0f,1.0f);
::glClearColor(1.0f,1.0f,1.0f,0.0f);
::glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
if(true)
{
::glEnable(GL_BLEND);
::glEnable(GL_LINE_SMOOTH);
::glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
else
{
::glDisable(GL_BLEND);
::glDisable(GL_LINE_SMOOTH);
::glDisable(GL_POLYGON_SMOOTH_HINT);
::glBlendFunc(GL_ONE, GL_ZERO);
::glHint(GL_LINE_SMOOTH_HINT, GL_FASTEST);
}
m_pScene->draw();
}
void Viewer::initializeGL()
{
QGLViewer::initializeGL();
}