ResInsight/Fwk/VizFwk/LibRender/cvfRenderStatePoint.h

80 lines
2.8 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.
//
//##################################################################################################
#pragma once
#include "cvfRenderState.h"
namespace cvf {
//==================================================================================================
//
// Controls OpenGL point size, glPointSize() and glEnable()/glDisable() with GL_PROGRAM_POINT_SIZE
//
//==================================================================================================
class RenderStatePoint : public RenderState
{
public:
enum Mode
{
FIXED_SIZE, ///< Fixed diameter of raserized points (as specified by point size/glPointSize())
PROGRAM_SIZE ///< Point size will be specified using GLSL and the gl_PointSize built-in variable
};
public:
RenderStatePoint(Mode sizeMode = FIXED_SIZE);
void setMode(Mode sizeMode);
Mode mode() const;
void enablePointSprite(bool enable);
bool isPointSpriteEnabled() const;
void setSize(float pointSize);
float size() const;
virtual void applyOpenGL(OpenGLContext* oglContext) const;
private:
Mode m_sizeMode;
bool m_pointSprite;
float m_pointSize;
};
} // namespace cvf