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Command: XcmsCIExyY | Section: 3 | Source: Digital UNIX | File: XcmsCIExyY.3X11.gz
XcmsColor(3X11) XcmsColor(3X11)
NAME
XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, Xcm-
sCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad - Xcms color structure
STRUCTURES
The structure for XcmsColor 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 XcmsColor structure contains a union of substructures, each sup-
porting color specification encoding for a particular color space.
SEE ALSO
XcmsAllocColor(3X11), XcmsStoreColor(3X11), XcmsConvertColors(3X11)
Xlib -- C Language X Interface
XcmsColor(3X11)