CNColorTable.h

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#import "CNColor.h"

void
CNSetupColorTable(struct CNResource * resource) ;

const struct CNColor *
CNAllocateColor(GLfloat r, GLfloat g, GLfloat b, GLfloat a) ;

static inline const struct CNColor *
CNBasicIdToColor(CNBasicColorId colorid)
{
        extern const struct CNColor * CNSharedBasicColorTable[] ;
        return CNSharedBasicColorTable[colorid] ;
}

static inline GLfloat
CNColor16PartToColorPart(unsigned int src)
{
        GLfloat result ;
        if(src > 0){
                result = (src + 1.0) / 16.0 ;
        } else {
                result = 0.0 ;
        }
        return result ;
}

static inline const struct CNColor *
CNColor16ToColor(CNColor16 src)
{
        unsigned int s0 = (src >> 12) & 0xf ;
        unsigned int s1 = (src >>  8) & 0xf ;
        unsigned int s2 = (src >>  4) & 0xf ;
        unsigned int s3 = (src      ) & 0xf ;
        GLfloat          d0 = CNColor16PartToColorPart(s0) ;
        GLfloat          d1 = CNColor16PartToColorPart(s1) ;
        GLfloat          d2 = CNColor16PartToColorPart(s2) ;
        GLfloat          d3 = CNColor16PartToColorPart(s3) ;
        return CNAllocateColor(d0, d1, d2, d3) ;
}