1 files changed, 106 insertions, 0 deletions
diff --git a/src/GLView.cc b/src/GLView.cc
new file mode 100644
index 0000000..2f6d69f
--- /dev/null
+++ b/src/GLView.cc
@@ -0,0 +1,106 @@
+#include "GLView.h"
+
+#include "printutils.h"
+#include <iostream>
+
+GLView::GLView()
+{
+	viewer_distance = 500;
+	object_trans << 0, 0, 0;
+  camera_eye << 0, 0, 0;
+  camera_center << 0, 0, 0;
+  showedges = false;
+  showfaces = true;
+  orthomode = false;
+  showaxes = false;
+  showcrosshairs = false;
+	renderer = NULL;
+#ifdef ENABLE_OPENCSG
+  is_opencsg_capable = false;
+  has_shaders = false;
+  opencsg_support = true;
+  static int sId = 0;
+  this->opencsg_id = sId++;
+  for (int i = 0; i < 10; i++) this->shaderinfo[i] = 0;
+#endif
+}
+
+void GLView::setRenderer(Renderer* r)
+{
+	renderer = r;
+}
+
+void GLView::resizeGL(int w, int h)
+{
+#ifdef ENABLE_OPENCSG
+  shaderinfo[9] = w;
+  shaderinfo[10] = h;
+#endif
+  this->width = w;
+  this->height = h;
+  glViewport(0, 0, w, h);
+  w_h_ratio = sqrt((double)w / (double)h);
+}
+
+void GLView::setGimbalCamera(const Eigen::Vector3d &pos, const Eigen::Vector3d &rot, double distance)
+{
+	PRINT("set gimbal camera not implemented");
+}
+
+void GLView::setupGimbalPerspective()
+{
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glFrustum(-w_h_ratio, +w_h_ratio, -(1/w_h_ratio), +(1/w_h_ratio), +10.0, +FAR_FAR_AWAY);
+  gluLookAt(0.0, -viewer_distance, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0);
+}
+
+void GLView::setupGimbalOrtho(double distance, bool offset)
+{
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  if(offset)
+    glTranslated(-0.8, -0.8, 0);
+  double l = distance/10;
+  glOrtho(-w_h_ratio*l, +w_h_ratio*l,
+      -(1/w_h_ratio)*l, +(1/w_h_ratio)*l,
+      -FAR_FAR_AWAY, +FAR_FAR_AWAY);
+  gluLookAt(0.0, -viewer_distance, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0);
+}
+
+void GLView::setCamera(const Eigen::Vector3d &pos, const Eigen::Vector3d &center)
+{
+  this->camera_eye = pos;
+  this->camera_center = center;
+}
+
+void GLView::setupPerspective()
+{
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  double dist = (this->camera_center - this->camera_eye).norm();
+  gluPerspective(45, w_h_ratio, 0.1*dist, 100*dist);
+}
+
+void GLView::setupOrtho(bool offset)
+{
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  if (offset) glTranslated(-0.8, -0.8, 0);
+  double l = (this->camera_center - this->camera_eye).norm() / 10;
+  glOrtho(-w_h_ratio*l, +w_h_ratio*l,
+          -(1/w_h_ratio)*l, +(1/w_h_ratio)*l,
+          -FAR_FAR_AWAY, +FAR_FAR_AWAY);
+}
+
+/*
+	void initializeGL(); //
+
+
+	void paintGL(); //
+	bool save(const char *filename); //
+	//bool save(std::ostream &output); // not implemented in qgl?
+
+	GLint shaderinfo[11];  //
+
+*/