ResInsight/Fwk/VizFwk/LibRender/cvfDrawable.cpp

95 lines
3.7 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// 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.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 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 Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#include "cvfBase.h"
#include "cvfDrawable.h"
namespace cvf {
//==================================================================================================
///
/// \class cvf::Drawable
/// \ingroup Render
///
/// Drawable is the base class for drawable items in a part. A part has one drawable for each lod level.
///
//==================================================================================================
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
Drawable::Drawable()
{
}
//--------------------------------------------------------------------------------------------------
/// \fn virtual size_t Drawable::vertexCount() const = 0;
///
/// Get the number of vertices (nodes, points) in the drawable
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
/// \fn virtual size_t Drawable::triangleCount() const = 0;
///
/// Get the number of triangles in the drawable. A quad is not 2 triangles.
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
/// \fn virtual size_t Drawable::faceCount() const = 0;
///
/// Get the total number of OpenGL primitives (sum of lines, points, quads, etc.)
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
/// \fn virtual bool Drawable::rayIntersect(const Ray& ray, Vec3d* intersectionPoint) const = 0;
///
/// Intersect the drawable with the ray and return the closest intersection point.
///
/// Returns true if anything was hit.
//--------------------------------------------------------------------------------------------------
} // namespace cvf