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85 lines
3.0 KiB
C++
85 lines
3.0 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2013 Ceetron AS
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//
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// This library may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#pragma once
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#include "cvfRenderState.h"
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#include "cvfOpenGLTypes.h"
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#include "cvfColor4.h"
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namespace cvf {
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//==================================================================================================
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//
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// Encapsulate OpenGL glPolygonOffset() and glEnable()/glDisable() with GL_POLYGON_OFFSET_FILL/LINE/POINT
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//
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//==================================================================================================
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class RenderStatePolygonOffset : public RenderState
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{
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public:
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RenderStatePolygonOffset();
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void enableFillMode(bool enableFill);
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void enableLineMode(bool enableLine);
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void enablePointMode(bool enablePoint);
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bool isFillModeEnabled() const;
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bool isLineModeEnabled() const;
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bool isPointModeEnabled() const;
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void setFactor(float factor);
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void setUnits(float units);
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float factor() const;
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float units() const;
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void configurePolygonPositiveOffset();
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void configureLineNegativeOffset();
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virtual void applyOpenGL(OpenGLContext* oglContext) const;
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private:
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float m_factor; // Default value is 0.0
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float m_units; // Default value is 0.0
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bool m_enableFillMode;
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bool m_enableLineMode;
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bool m_enablePointMode;
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};
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} // namespace cvf
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