added HEXColor3/3f macro.

inc/hgl/type/Color.h

@@ -9,6 +9,9 @@ namespace hgl
     #define DEF_RGB_U8_TO_F(r,g,b)      {float(r)/255.0f,float(g)/255.0f,float(b)/255.0f}
     #define DEF_RGBA_U8_TO_F(r,g,b,a)   {float(r)/255.0f,float(g)/255.0f,float(b)/255.0f,float(a)/255.0f}
 
+    #define HEXColor3(value)     (0x##value>>16),((0x##value&0xFF00)>>8),(0x##value&0xFF)
+    #define HEXColor3f(value)    float(0x##value>>16)/255.0f,float((0x##value&0xFF00)>>8)/255.0f,float(0x##value&0xFF)/255.0f
+
     const Color3f GetSpectralColor(const double l);                            ///<根据光谱值获取对应的RGB值
 
     /**