Initial commit of ResInsight version 0.4.8

VisualizationModules/LibViewing/cvfRenderQueue.h

@@ -0,0 +1,87 @@
+//##################################################################################################
+//
+//   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. 
+//
+//##################################################################################################
+
+#pragma once
+
+#include "cvfObject.h"
+
+#include <vector>
+
+namespace cvf {
+
+class Part;
+class Drawable;
+class Effect;
+
+
+//==================================================================================================
+//
+// Represents one item in the RenderQueue
+// 
+//==================================================================================================
+class RenderItem : public Object
+{
+public:
+    RenderItem();
+
+    void            set(Part* part, Drawable* drawable, Effect* effect, float projectedAreaPixels, float distance);
+
+    Part*           part()                          { return m_part; }
+    const Part*     part() const                    { return m_part; }
+    Drawable*       drawable()                      { return m_drawable; }
+    const Drawable* drawable() const                { return m_drawable; }
+    Effect*         effect()                        { return m_effect; }
+    const Effect*   effect() const                  { return m_effect; }
+
+    float           projectedAreaPixels() const     { return m_projectedAreaPixels; }
+    float           distance() const                { return m_distance; }
+
+private:
+    Part*       m_part;
+    Drawable*   m_drawable;             // The drawable for the LOD level that should be used for rendering 
+    Effect*     m_effect;               // Effect for the relevant LOD level
+    float       m_projectedAreaPixels;  // 
+    float       m_distance;             // 
+};
+
+
+
+//==================================================================================================
+//
+// RenderQueue
+//
+//==================================================================================================
+class RenderQueue : public Object
+{
+public:
+    void            hintNumEntriesToAdd(size_t numNewEntries);
+    void            add(Part* part, Drawable* drawable, Effect* effect, float projectedAreaPixels, float distance);
+    size_t          count() const;
+    RenderItem*     item(size_t index);
+    void            setCountZero();
+    void            removeAll();
+
+    std::vector<RenderItem*>*  renderItemsForSorting();
+
+private:
+    std::vector<ref<RenderItem> >   m_renderItemsRefCounted;
+    std::vector<RenderItem*>        m_renderItemsRaw;
+};
+
+}