man XcmsColor (Fonctions bibliothèques) - Xcms color struture
NAME
XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, XcmsCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad - Xcms color struture
STRUCTURES
The structure for contains:
typedef unsigned long XcmsColorFormat; / Color Specification Format */
typedef struct { union { XcmsRGB RGB; XcmsRGBi RGBi; XcmsCIEXYZ CIEXYZ; XcmsCIEuvY CIEuvY; XcmsCIExyY CIExyY; XcmsCIELab CIELab; XcmsCIELuv CIELuv; XcmsTekHVC TekHVC; XcmsPad Pad; } spec; unsigned long pixel; XcmsColorFormat format; } XcmsColor; / Xcms Color Structure */
typedef double XcmsFloat;
typedef struct { unsigned short red; / 0x0000 to 0xffff */ unsigned short green; / 0x0000 to 0xffff */ unsigned short blue; / 0x0000 to 0xffff */ } XcmsRGB; / RGB Device */
typedef struct { XcmsFloat red; / 0.0 to 1.0 */ XcmsFloat green; / 0.0 to 1.0 */ XcmsFloat blue; / 0.0 to 1.0 */ } XcmsRGBi; / RGB Intensity */
typedef struct { XcmsFloat X; XcmsFloat Y; / 0.0 to 1.0 */ XcmsFloat Z; } XcmsCIEXYZ; / CIE XYZ */
typedef struct { XcmsFloat u_prime; / 0.0 to ~0.6 */ XcmsFloat v_prime; / 0.0 to ~0.6 */ XcmsFloat Y; / 0.0 to 1.0 */ } XcmsCIEuvY; / CIE u'v'Y */
typedef struct { XcmsFloat x; / 0.0 to ~.75 */ XcmsFloat y; / 0.0 to ~.85 */ XcmsFloat Y; / 0.0 to 1.0 */ } XcmsCIExyY; / CIE xyY */
typedef struct { XcmsFloat L_star; / 0.0 to 100.0 */ XcmsFloat a_star; XcmsFloat b_star; } XcmsCIELab; / CIE L*a*b* */
typedef struct { XcmsFloat L_star; / 0.0 to 100.0 */ XcmsFloat u_star; XcmsFloat v_star; } XcmsCIELuv; / CIE L*u*v* */
typedef struct { XcmsFloat H; / 0.0 to 360.0 */ XcmsFloat V; / 0.0 to 100.0 */ XcmsFloat C; / 0.0 to 100.0 */ } XcmsTekHVC; / TekHVC */
typedef struct { XcmsFloat pad0; XcmsFloat pad1; XcmsFloat pad2; XcmsFloat pad3; } XcmsPad; / four doubles */
DESCRIPTION
The structure contains a union of substructures, each supporting color specification encoding for a particular color space.