Initial commit of ResInsight version 0.4.8

VisualizationModules/LibGeometry/cvfGeometryBuilderTriangles.cpp

@@ -0,0 +1,133 @@
+//##################################################################################################
+//
+//   Custom Visualization Core library
+//   Copyright (C) 2011-2012 Ceetron AS
+//    
+//   This library 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 3 of the License, or 
+//   (at your option) any later version. 
+//    
+//   This library 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 at <<http://www.gnu.org/licenses/gpl.html>> 
+//   for more details. 
+//
+//##################################################################################################
+
+#include "cvfBase.h"
+#include "cvfGeometryBuilderTriangles.h"
+
+namespace cvf {
+
+
+
+//==================================================================================================
+///
+/// \class cvf::GeometryBuilderTriangles
+/// \ingroup Geometry
+///
+/// Builds geometry represented as triangles.
+///
+//==================================================================================================
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+GeometryBuilderTriangles::GeometryBuilderTriangles()
+{
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+uint GeometryBuilderTriangles::addVertices(const Vec3fArray& vertices)
+{
+    uint numExistingVerts = static_cast<uint>(m_vertices.size());
+    uint numNewVerts = static_cast<uint>(vertices.size());
+
+    uint i;
+    for (i = 0; i < numNewVerts; i++)
+    {
+        m_vertices.push_back(vertices[i]);
+    }
+
+    return numExistingVerts;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+uint GeometryBuilderTriangles::vertexCount() const
+{
+    return static_cast<uint>(m_vertices.size());
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void GeometryBuilderTriangles::transformVertexRange(uint startIdx, uint endIdx, const Mat4f& mat)
+{
+    uint i;
+    for (i = startIdx; i <= endIdx; i++)
+    {
+        m_vertices[i].transformPoint(mat);
+    }
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void GeometryBuilderTriangles::addTriangle(uint i0, uint i1, uint i2)
+{
+    m_triangles.push_back(i0);
+    m_triangles.push_back(i1);
+    m_triangles.push_back(i2);
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+ref<Vec3fArray> GeometryBuilderTriangles::vertices() const
+{
+    ref<Vec3fArray> verts = new Vec3fArray(m_vertices);
+    return verts;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+ref<UIntArray> GeometryBuilderTriangles::triangles() const
+{
+    ref<UIntArray> tris = new UIntArray(m_triangles);
+    return tris;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+ref<UShortArray> GeometryBuilderTriangles::trianglesUShort() const
+{
+    ref<UShortArray> tris = new UShortArray;
+
+    tris->resize(m_triangles.size());
+    size_t i;
+    for (i = 0; i < m_triangles.size(); i++)
+    {
+        tris->set(i, static_cast<ushort>(m_triangles[i]));
+    }
+
+    return tris;
+}
+
+
+} // namespace cvf