wzcolor.hxx

有限元学习研究用源代码(老外的),供科研人员参考

#ifndef WZCOLOR_HXX
#define WZCOLOR_HXX

#ifndef WZ_HXX
#include "wz.hxx"
#endif

class wzColor{
	wzByte R;
	wzByte G;
	wzByte B;
public:
	wzByte r() const {return R;}
	wzByte g() const {return G;}
	wzByte b() const {return B;}
	wzColor():R(0),G(0),B(0){;}
	wzColor(wzString s){set(s);}
	wzColor(wzByte r, wzByte g, wzByte b):R(r),G(g),B(b){;}
	wzColor(wzIndex r, wzIndex g, wzIndex b):R(r),G(g),B(b){;}
	wzColor(wzInteger r, wzInteger g, wzInteger b):R(r),G(g),B(b){;}
	wzColor(wzFloat r, wzFloat g, wzFloat b)
                :R((wzByte)(0xff*r)),G((wzByte)(0xff*g)),B((wzByte)(0xff*b)){;}
	wzColor(const wzColor& c):R(c.R),G(c.G),B(c.B){;}
	wzColor& operator=(const wzColor& c){R=c.R;G=c.G;B=c.B;return *this;}
	void set(wzByte r, wzByte g, wzByte b){R=r;G=g;B=b;}
	void set(wzByte gray=0){R=G=B=gray;}
// conversion to string of type #aaa #ababab #abcabcabc #abcdabcdabcd
	void get(wzString s) const;
	void set(wzString s);
	wzColor& operator=(const wzString s){set(s);return *this;}
// my private elevation conversion into integers from -32000 to 32000
	void getElevation(wzShort &i) const;
	void setElevation(wzShort i);
// variant for floating point values from -1 to 1
	void getElevation(wzFloat &f) const
		{wzShort i; getElevation(i); f=((int)i)/0x7fff;}
	void setElevation(wzFloat f)
		{setElevation((wzShort) (f*0x7fff));}
};

class ostream;
ostream& operator<<(ostream& o, wzColor c);

#endif