hgecolor.h
上传用户:maxiaolivb
上传日期:2022-06-07
资源大小:915k
文件大小:2k
- /*
- ** Haaf's Game Engine 1.5
- ** Copyright (C) 2003-2004, Relish Games
- ** hge.relishgames.com
- **
- ** hgeColor helper class
- */
- #ifndef HGECOLOR_H
- #define HGECOLOR_H
- #include "hge.h"
- inline void ColorClamp(float &x) { if(x<0.0f) x=0.0f; if(x>1.0f) x=1.0f; }
- class hgeColor
- {
- public:
- float r,g,b,a;
- hgeColor(float _r, float _g, float _b, float _a) { r=_r; g=_g; b=_b; a=_a; }
- hgeColor(DWORD col) { SetHWColor(col); }
- hgeColor() { r=g=b=a=0; }
- hgeColor operator- (const hgeColor &c) { return hgeColor(r-c.r, g-c.g, b-c.b, a-c.a); }
- hgeColor operator+ (const hgeColor &c) { return hgeColor(r+c.r, g+c.g, b+c.b, a+c.a); }
- hgeColor operator* (float scalar) { return hgeColor(r*scalar, g*scalar, b*scalar, a*scalar); }
- hgeColor& operator-= (const hgeColor &c) { r-=c.r; g-=c.g; b-=c.b; a-=c.a; return *this; }
- hgeColor& operator+= (const hgeColor &c) { r+=c.r; g+=c.g; b+=c.b; a+=c.a; return *this; }
- hgeColor& operator*= (float scalar) { r*=scalar; g*=scalar; b*=scalar; a*=scalar; return *this; }
- bool operator== (const hgeColor &c) { return (r==c.r && g==c.g && b==c.b && a==c.a); }
- bool operator!= (const hgeColor &c) { return (r!=c.r || g!=c.g || b!=c.b || a!=c.a); }
- void Clamp() { ColorClamp(r); ColorClamp(g); ColorClamp(b); ColorClamp(a); }
- void SetHWColor(DWORD col) { a=(col>>24)/255.0f; r=((col>>16) & 0xFF)/255.0f; g=((col>>8) & 0xFF)/255.0f; b=(col & 0xFF)/255.0f; }
- DWORD GetHWColor() const { return (DWORD(a*255.0f)<<24) + (DWORD(r*255.0f)<<16) + (DWORD(g*255.0f)<<8) + DWORD(b*255.0f); }
- };
- inline hgeColor operator* (const hgeColor &c, float s) { return hgeColor(s*c.r, s*c.g, s*c.b, s*c.a); }
- inline hgeColor operator* (float s, const hgeColor &c) { return hgeColor(s*c.r, s*c.g, s*c.b, s*c.a); }
- #endif