1 files changed, 130 insertions, 0 deletions
diff --git a/kpovmodeler/pmface.h b/kpovmodeler/pmface.h
new file mode 100644
index 00000000..46da64bb
--- /dev/null
+++ b/kpovmodeler/pmface.h
@@ -0,0 +1,130 @@
+//-*-C++-*-
+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 2004 by Leon Pennington
+    email                : leon@leonscape.co.uk
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  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.                                   *
+*                                                                        *
+**************************************************************************/
+#ifndef PMFACE_H
+#define PMFACE_H
+
+#include <qptrlist.h>
+#include <qvaluevector.h>
+#include <GL/gl.h>
+#include "pmdebug.h"
+#include "pmvector.h"
+
+/**
+ * face to display with index of points. Points must be in clockwise order.
+ *
+ * Face of a @ref PMViewStructure. Only the indices in a @ref PMPointArray
+ * are stored.
+ *
+ * Optimized for OpenGL
+ */
+class PMFace
+{
+public:
+   /**
+    * Default constructor
+    */
+   PMFace( )
+   {
+      m_points = 0;
+      m_size = 0;
+   }
+   /**
+    * Copy Constructor
+    */
+   PMFace( const PMFace& face );
+   /**
+    * Destructor
+    */
+   ~PMFace( ) { delete m_points; }
+   /**
+    * Creates a face with three points.
+    */
+   PMFace( const GLuint pt1, const GLuint pt2, const GLuint pt3, const PMVector& normal = PMVector() );
+   /**
+    * Creates a face with four points.
+    */
+   PMFace( const GLuint pt1, const GLuint pt2, const GLuint pt3, const GLuint pt4, const PMVector& normal = PMVector() );
+
+   /**
+    * Operator assignment
+    */
+   PMFace& operator=( const PMFace& face );
+   /**
+    * Operator equals
+    */
+   bool operator==( const PMFace& face ) const;
+   /**
+    * Operator unequals
+    */
+   bool operator!=( const PMFace& face ) const;
+
+   /**
+    * Resizes the number of points in the face.
+    * @return True if successful
+    */
+   bool resize( const unsigned int size );
+   /**
+    * @return The number of points in the face.
+    */
+   unsigned int size( ) const { return m_size; }
+
+   /**
+    * Returns a reference to a point in the face
+    */
+   GLuint& operator[] ( int index );
+   /**
+    * Returns a const reference to a point in the face
+    */
+   const GLuint& operator[] ( int index ) const;
+
+   /**
+    * Calculates the normal for the face
+    */
+   void setNormal( const PMVector& normal ) { m_normal = normal; }
+   /**
+    * Returns the normal for the face
+    */
+   PMVector normal( ) const { return m_normal; }
+
+private:
+   /**
+    * The face points (indices!)
+    */
+   GLuint* m_points;
+   /**
+    * The number of points in the face
+    */
+   unsigned int m_size;
+   /**
+    * The normal of the face, calculated automatically
+    */
+   PMVector m_normal;
+   static GLuint s_dummy;
+};
+
+typedef QPtrListIterator<PMFace> PMFaceListIterator;
+
+/**
+ * A list of @ref PMFace objects.
+ *
+ * This class stores all faces of a @ref PMViewStructure. Only the indices
+ * in a @ref PMPointArray are stored.
+ */
+typedef QValueVector<PMFace> PMFaceArray;
+
+#endif