84 lines
1.4 KiB
C
84 lines
1.4 KiB
C
#ifndef _RGBAFLOAT_H
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#define _RGBAFLOAT_H
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struct RGBAFloat
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{
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float r,g,b,a;
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RGBAFloat(){a=r=g=b=1.0f;}
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RGBAFloat(float _r, float _g, float _b, float _a)
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{
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r=_r;g=_g;b=_b;a=_a;
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}
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void clamp()
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{
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if (r>1) r=1;
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if (g>1) g=1;
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if (b>1) b=1;
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if (a>1) a=1;
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if (r<0) r=0;
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if (g<0) g=0;
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if (b<0) b=0;
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if (a<0) a=0;
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}
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void convertToD3DColor(u32 &color)
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{
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clamp();
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color = (int(a*255)<<24) | (int(r*255)<<16) | (int(g*255)<<8) | (int(b*255));
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}
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void convertRGB_GC(u32 color)
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{
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r=((color>>24)&0xFF)/255.0f;
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g=((color>>16)&0xFF)/255.0f;
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b=((color>>8)&0xFF)/255.0f;
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}
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void convertRGB(u32 color)
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{
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r=((color>>16)&0xFF)/255.0f;
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g=((color>>8)&0xFF)/255.0f;
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b=((color)&0xFF)/255.0f;
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}
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void convertA(u32 color)
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{
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a=((color>>24)&0xFF)/255.0f;
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}
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void convertA_GC(u32 color)
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{
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a=((color)&0xFF)/255.0f;
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}
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void convert(u32 color)
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{
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convertRGB(color);
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convertA(color);
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}
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void convert_GC(u32 color)
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{
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convertRGB_GC(color);
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convertA_GC(color);
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}
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void operator *=(float f)
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{
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r*=f;g*=f;b*=f; a*=f;
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}
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RGBAFloat operator *(float f)
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{
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return RGBAFloat(r*f,g*f,b*f,a*f);
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}
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RGBAFloat operator *(RGBAFloat &o)
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{
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return RGBAFloat(r*o.r,g*o.g,b*o.b,a*o.a);
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}
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void operator *=(RGBAFloat &o)
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{
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r*=o.r;g*=o.g;b*=o.b;a*=o.a;
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}
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RGBAFloat operator +(RGBAFloat &o)
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{
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return RGBAFloat(r+o.r,g+o.g,b+o.b,a+o.a);
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}
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void operator +=(RGBAFloat &o)
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{
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r+=o.r;g+=o.g;b+=o.b;a+=o.a;
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}
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};
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#endif |