# Visualization Library

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

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

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    00001 /**************************************************************************************/
    00002 /*                                                                                    */
    00003 /*  Visualization Library                                                             */
    00004 /*  http://www.visualizationlibrary.org                                               */
    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     VL_INSTRUMENT_CLASS(vl::EdgeRenderer, Renderer)
    00058
    00059     class WFInfo: public Object
    00060     {
    00061     public:
    00062       WFInfo(): mColor( vl::black ) {}
    00063       fvec4 mColor;
    00064       ref<Geometry> mGeometry;
    00065       ref<EdgeUpdateCallback> mEdgeCallback;
    00066     };
    00067
    00068   public:
    00069     EdgeRenderer(): mLineWidth(1.0f), mPolygonOffsetFactor(1.0f), mPolygonOffsetUnits(1.0f), mCreaseAngle(44.0f), mShowHiddenLines(true), mShowCreases(true), mSmoothLines(true)
    00070     {
    00071       VL_DEBUG_SET_OBJECT_NAME()
    00072     }
    00073
    00074     const RenderQueue* render(const RenderQueue* in_render_queue, Camera* camera, real frame_clock);
    00075
    00077     WFInfo* declareActor(Actor* act, const fvec4& color);
    00079     WFInfo* declareActor(Actor* act);
    00080
    00084     void clearCache() { mActorCache.clear(); }
    00085
    00089     void setActorDirty(Actor* actor) { mActorCache.erase(actor); }
    00090
    00092     void setShowHiddenLines(bool show) { mShowHiddenLines = show; }
    00094     bool showHiddenLines() const { return mShowHiddenLines; }
    00095
    00097     void setShowCreases(bool show) { mShowCreases = show; }
    00099     bool showCreases() const { return mShowCreases; }
    00100
    00102     void setCreaseAngle(float degrees) { mCreaseAngle = degrees; }
    00104     float creaseAngle() const { return mCreaseAngle; }
    00105
    00107     void setSmoothLines(bool smooth) { mSmoothLines = smooth; }
    00109     bool smoothLines() const { return mSmoothLines; }
    00110
    00112     void setLineWidth(float width) { mLineWidth = width; }
    00114     float lineWidth() const { return mLineWidth; }
    00115
    00117     void setDefaultLineColor(const fvec4& c) { mDefaultLineColor = c; }
    00119     const fvec4& defaultLineColor() const { return mDefaultLineColor; }
    00120
    00122     void setPolygonOffsetFactor(float factor) { mPolygonOffsetFactor = factor; }
    00124     float polygonOffsetFactor() const { return mPolygonOffsetFactor; }
    00126     void setPolygonOffsetUnits(float units)   { mPolygonOffsetUnits = units;   }
    00128     float polygonOffsetUnits() const  { return mPolygonOffsetUnits;  }
    00129
    00130   protected:
    00131     void renderSolids(Camera* camera, real frame_clock);
    00132     void renderLines(Camera* camera);
    00133
    00134   protected:
    00135     std::map< ref<Actor>, ref<WFInfo> > mActorCache;
    00136     std::map< ref<Actor>, ref<WFInfo> > mVisibleActors;
    00137     fvec4 mDefaultLineColor;
    00138     float mLineWidth;
    00139     float mPolygonOffsetFactor;
    00140     float mPolygonOffsetUnits;
    00141     float mCreaseAngle;
    00142     bool mShowHiddenLines;
    00143     bool mShowCreases;
    00144     bool mSmoothLines;
    00145   };
    00146
    00147 }
    00148
    00149 #endif

Visualization Library v2011.09.1162 Reference Documentation
Copyright 2005-2011 Michele Bosi. All rights reserved.
Updated on Thu Jan 26 2012 00:43:37.
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