# Visualization Library

A lightweight C++ OpenGL middleware for 2D/3D graphics

[Home] [Tutorials] [All Classes] [Grouped Classes]

- Main Page
- Namespaces
- Classes
- Files

- File List
- File Members

# D:/VL/BuildSystem/VL_DISTRO/Visualization_Library_SDK/src/vlGraphics/EdgeRenderer.hpp

Go to the documentation of this file.

    00001 /**************************************************************************************/
    00002 /*                                                                                    */
    00003 /*  Visualization Library                                                             */
    00004 /*  http://www.visualizationlibrary.com                                               */
    00005 /*                                                                                    */
    00006 /*  Copyright (c) 2005-2010, Michele Bosi                                             */
    00007 /*  All rights reserved.                                                              */
    00008 /*                                                                                    */
    00009 /*  Redistribution and use in source and binary forms, with or without modification,  */
    00010 /*  are permitted provided that the following conditions are met:                     */
    00011 /*                                                                                    */
    00012 /*  - Redistributions of source code must retain the above copyright notice, this     */
    00013 /*  list of conditions and the following disclaimer.                                  */
    00014 /*                                                                                    */
    00015 /*  - Redistributions in binary form must reproduce the above copyright notice, this  */
    00016 /*  list of conditions and the following disclaimer in the documentation and/or       */
    00017 /*  other materials provided with the distribution.                                   */
    00018 /*                                                                                    */
    00019 /*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND   */
    00020 /*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED     */
    00021 /*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE            */
    00022 /*  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR  */
    00023 /*  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES    */
    00024 /*  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;      */
    00025 /*  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON    */
    00026 /*  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT           */
    00027 /*  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS     */
    00028 /*  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                      */
    00029 /*                                                                                    */
    00030 /**************************************************************************************/
    00031
    00032 #ifndef EdgeRenderer_INCLUDE_ONCE
    00033 #define EdgeRenderer_INCLUDE_ONCE
    00034
    00035 #include <vlGraphics/Renderer.hpp>
    00036 #include <vlGraphics/EdgeExtractor.hpp>
    00037 #include <vlGraphics/EdgeUpdateCallback.hpp>
    00038
    00039 namespace vl
    00040 {
    00055   class VLGRAPHICS_EXPORT EdgeRenderer: public Renderer
    00056   {
    00057     class WFInfo: public Object
    00058     {
    00059     public:
    00060       ref<Geometry> mGeometry;
    00061       ref<EdgeUpdateCallback> mEdgeCallback;
    00062     };
    00063
    00064   public:
    00065     virtual const char* className() { return "vl::EdgeRenderer"; }
    00066     EdgeRenderer(): mLineWidth(1.0f), mPolygonOffsetFactor(1.0f), mPolygonOffsetUnits(1.0f), mCreaseAngle(44.0f), mShowHiddenLines(true), mShowCreases(true), mSmoothLines(true)
    00067     {
    00068       VL_DEBUG_SET_OBJECT_NAME()
    00069     }
    00070
    00071     const RenderQueue* render(const RenderQueue* in_render_queue, Camera* camera, Real frame_clock);
    00072
    00074     WFInfo* declareActor(Actor* act, const fvec4& color);
    00076     WFInfo* declareActor(Actor* act);
    00077
    00081     void clearCache() { mActorCache.clear(); }
    00082
    00086     void setActorDirty(Actor* actor) { mActorCache.erase(actor); }
    00087
    00089     void setShowHiddenLines(bool show) { mShowHiddenLines = show; }
    00091     bool showHiddenLines() const { return mShowHiddenLines; }
    00092
    00094     void setShowCreases(bool show) { mShowCreases = show; }
    00096     bool showCreases() const { return mShowCreases; }
    00097
    00099     void setCreaseAngle(float degrees) { mCreaseAngle = degrees; }
    00101     float creaseAngle() const { return mCreaseAngle; }
    00102
    00104     void setSmoothLines(bool smooth) { mSmoothLines = smooth; }
    00106     bool smoothLines() const { return mSmoothLines; }
    00107
    00109     void setLineWidth(float width) { mLineWidth = width; }
    00111     float lineWidth() const { return mLineWidth; }
    00112
    00114     void setDefaultLineColor(const fvec4& c) { mDefaultLineColor = c; }
    00116     const fvec4& defaultLineColor() const { return mDefaultLineColor; }
    00117
    00119     void setPolygonOffsetFactor(float factor) { mPolygonOffsetFactor = factor; }
    00121     float polygonOffsetFactor() const { return mPolygonOffsetFactor; }
    00123     void setPolygonOffsetUnits(float units)   { mPolygonOffsetUnits = units;   }
    00125     float polygonOffsetUnits() const  { return mPolygonOffsetUnits;  }
    00126
    00127   protected:
    00128     void renderSolids(Camera* camera, Real frame_clock);
    00129     void renderLines(Camera* camera);
    00130
    00131   protected:
    00132     std::map< ref<Actor>, ref<WFInfo> > mActorCache;
    00133     std::map< ref<Actor>, ref<WFInfo> > mVisibleActors;
    00134     fvec4 mDefaultLineColor;
    00135     float mLineWidth;
    00136     float mPolygonOffsetFactor;
    00137     float mPolygonOffsetUnits;
    00138     float mCreaseAngle;
    00139     bool mShowHiddenLines;
    00140     bool mShowCreases;
    00141     bool mSmoothLines;
    00142   };
    00143
    00144 }
    00145
    00146 #endif

Visualization Library v2011.05.1142 Reference Documentation
Copyright 2005-2011 Michele Bosi. All rights reserved.
Updated on Thu May 26 2011 22:51:23.
Permission is granted to use this page to write and publish articles regarding Visualization Library.