ShadeBlend.h Source File

00001 /*
00002   File: ShadeBlend.h
00003 
00004   Copyright(C) C. Kotterink, Computed Graphics
00005 */
00006 #ifndef SHADEBLEND_H
00007 #define SHADEBLEND_H
00008 
00009 #include<Shade.h>
00010 
00011 #include<vector>
00012 #include<pair.h>
00013 
00014 typedef RefCount<Shade> RefShade;
00015 
00018 class ShadeBlend : public Shade
00019 {
00020     DYNAMIC_OBJECT;
00021 public:
00026     typedef enum Operation {
00027         NoOp,           
00028         Add,            
00029         Multiply,       
00030         Layer,          
00031         In,             
00032         HeldOut,        
00033         Atop,           
00034         Xor             
00035     };
00036 
00037     void blend(Operation o, RefShade &s);
00038 
00039     // Inherited from Shade
00040     Color4 calculateColor(const SurfaceInfo &s, Scene &scene);
00041 
00042     // Inherited from DynamicObject
00043     void parseSymbol(Token &t, ObjectFile &file);
00044     void writeParams(ostream &stream);
00045 
00046 private:
00047     // Inherited from DynamicObject
00048     void createSymbols();
00049 
00050     vector< pair<Operation, RefShade> > array;
00051 
00052 private:
00053     typedef DynamicObject super;
00054 };
00055 #endif