hgecolor.h
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上传日期:2022-02-12
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- /*
- ** Haaf's Game Engine 1.7
- ** Copyright (C) 2003-2007, Relish Games
- ** hge.relishgames.com
- **
- ** hgeColor*** helper classes
- */
- #ifndef HGECOLOR_H
- #define HGECOLOR_H
- #include "hge.h"
- #define hgeColor hgeColorRGB
- inline void ColorClamp(float &x) { if(x<0.0f) x=0.0f; if(x>1.0f) x=1.0f; }
- class hgeColorRGB
- {
- public:
- float r,g,b,a;
- hgeColorRGB(float _r, float _g, float _b, float _a) { r=_r; g=_g; b=_b; a=_a; }
- hgeColorRGB(DWORD col) { SetHWColor(col); }
- hgeColorRGB() { r=g=b=a=0; }
- hgeColorRGB operator- (const hgeColorRGB &c) const { return hgeColorRGB(r-c.r, g-c.g, b-c.b, a-c.a); }
- hgeColorRGB operator+ (const hgeColorRGB &c) const { return hgeColorRGB(r+c.r, g+c.g, b+c.b, a+c.a); }
- hgeColorRGB operator* (const hgeColorRGB &c) const { return hgeColorRGB(r*c.r, g*c.g, b*c.b, a*c.a); }
- hgeColorRGB& operator-= (const hgeColorRGB &c) { r-=c.r; g-=c.g; b-=c.b; a-=c.a; return *this; }
- hgeColorRGB& operator+= (const hgeColorRGB &c) { r+=c.r; g+=c.g; b+=c.b; a+=c.a; return *this; }
- bool operator== (const hgeColorRGB &c) const { return (r==c.r && g==c.g && b==c.b && a==c.a); }
- bool operator!= (const hgeColorRGB &c) const { return (r!=c.r || g!=c.g || b!=c.b || a!=c.a); }
- hgeColorRGB operator/ (const float scalar) const { return hgeColorRGB(r/scalar, g/scalar, b/scalar, a/scalar); }
- hgeColorRGB operator* (const float scalar) const { return hgeColorRGB(r*scalar, g*scalar, b*scalar, a*scalar); }
- hgeColorRGB& operator*= (const float scalar) { r*=scalar; g*=scalar; b*=scalar; a*=scalar; return *this; }
- 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 hgeColorRGB operator* (const float sc, const hgeColorRGB &c) { return c*sc; }
- class hgeColorHSV
- {
- public:
- float h,s,v,a;
- hgeColorHSV(float _h, float _s, float _v, float _a) { h=_h; s=_s; v=_v; a=_a; }
- hgeColorHSV(DWORD col) { SetHWColor(col); }
- hgeColorHSV() { h=s=v=a=0; }
- hgeColorHSV operator- (const hgeColorHSV &c) const { return hgeColorHSV(h-c.h, s-c.s, v-c.v, a-c.a); }
- hgeColorHSV operator+ (const hgeColorHSV &c) const { return hgeColorHSV(h+c.h, s+c.s, v+c.v, a+c.a); }
- hgeColorHSV operator* (const hgeColorHSV &c) const { return hgeColorHSV(h*c.h, s*c.s, v*c.v, a*c.a); }
- hgeColorHSV& operator-= (const hgeColorHSV &c) { h-=c.h; s-=c.s; v-=c.v; a-=c.a; return *this; }
- hgeColorHSV& operator+= (const hgeColorHSV &c) { h+=c.h; s+=c.s; v+=c.v; a+=c.a; return *this; }
- bool operator== (const hgeColorHSV &c) const { return (h==c.h && s==c.s && v==c.v && a==c.a); }
- bool operator!= (const hgeColorHSV &c) const { return (h!=c.h || s!=c.s || v!=c.v || a!=c.a); }
- hgeColorHSV operator/ (const float scalar) const { return hgeColorHSV(h/scalar, s/scalar, v/scalar, a/scalar); }
- hgeColorHSV operator* (const float scalar) const { return hgeColorHSV(h*scalar, s*scalar, v*scalar, a*scalar); }
- hgeColorHSV& operator*= (const float scalar) { h*=scalar; s*=scalar; v*=scalar; a*=scalar; return *this; }
- void Clamp() { ColorClamp(h); ColorClamp(s); ColorClamp(v); ColorClamp(a); }
- void SetHWColor(DWORD col);
- DWORD GetHWColor() const;
- };
- inline hgeColorHSV operator* (const float sc, const hgeColorHSV &c) { return c*sc; }
- #endif