Upgraded visualization libraries

Major refactoring of color legend framework Added discrete log color legend p4#: 18989
2026-07-31 08:48:17 -05:00 · 2012-10-02 10:17:52 +02:00
parent 082560b2a5
commit 9c1ce7591e
163 changed files with 8917 additions and 3214 deletions
@@ -0,0 +1,196 @@
+//##################################################################################################
+//
+//   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 "cvfAssert.h"
+#include "cvfRenderStatePolygonOffset.h"
+#include "cvfOpenGL.h"
+
+namespace cvf {
+
+
+
+//==================================================================================================
+///
+/// \class cvf::RenderStatePolygonOffset
+/// \ingroup Render
+///
+/// Encapsulate OpenGL glPolygonOffset() and glEnable()/glDisable() with GL_POLYGON_OFFSET_FILL/LINE/POINT
+///
+/// \sa http://www.opengl.org/sdk/docs/man/xhtml/glPolygonOffset.xml
+/// \sa http://www.opengl.org/sdk/docs/man/xhtml/glEnable.xml
+///
+//==================================================================================================
+RenderStatePolygonOffset::RenderStatePolygonOffset()
+:   RenderState(POLYGON_OFFSET),
+    m_factor(0.0f),
+    m_units(0.0f),
+    m_enableFillMode(false),
+    m_enableLineMode(false),
+    m_enablePointMode(false)
+{
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RenderStatePolygonOffset::enableFillMode(bool enableFill)
+{
+    m_enableFillMode = enableFill;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RenderStatePolygonOffset::enableLineMode(bool enableLine)
+{
+    m_enableLineMode = enableLine;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RenderStatePolygonOffset::enablePointMode(bool enablePoint)
+{
+    m_enablePointMode = enablePoint;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+bool RenderStatePolygonOffset::isFillModeEnabled() const
+{
+    return m_enableFillMode;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+bool RenderStatePolygonOffset::isLineModeEnabled() const
+{
+    return m_enableLineMode;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+bool RenderStatePolygonOffset::isPointModeEnabled() const
+{
+    return m_enablePointMode;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RenderStatePolygonOffset::setFactor(float factor)
+{
+    m_factor = factor;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RenderStatePolygonOffset::setUnits(float units)
+{
+    m_units = units;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+float RenderStatePolygonOffset::factor() const
+{
+    return m_factor;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+float RenderStatePolygonOffset::units() const
+{
+    return m_units;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RenderStatePolygonOffset::configurePolygonPositiveOffset()
+{
+    m_enableFillMode = true;
+    m_enableLineMode = false;
+    m_enablePointMode = false;
+    m_factor = 1.0;
+    m_units = 1.0;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RenderStatePolygonOffset::configureLineNegativeOffset()
+{
+    m_enableFillMode = false;
+    m_enableLineMode = true;
+    m_enablePointMode = false;
+    m_factor = -1.0;
+    m_units = -1.0;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RenderStatePolygonOffset::applyOpenGL(OpenGLContext* oglContext) const
+{
+    if (m_enableFillMode ||
+        m_enableLineMode ||
+        m_enablePointMode)
+    {
+        glPolygonOffset(m_factor, m_units);
+    }
+
+    if (m_enableFillMode)   glEnable(GL_POLYGON_OFFSET_FILL);
+    else                    glDisable(GL_POLYGON_OFFSET_FILL);
+        
+#ifndef CVF_OPENGL_ES
+    if (m_enableLineMode)   glEnable(GL_POLYGON_OFFSET_LINE);
+    else                    glDisable(GL_POLYGON_OFFSET_LINE);
+
+    if (m_enablePointMode)  glEnable(GL_POLYGON_OFFSET_POINT);
+    else                    glDisable(GL_POLYGON_OFFSET_POINT);
+#endif
+    
+    CVF_CHECK_OGL(oglContext);
+}
+
+
+
+} // namespace cvf
+