1XcmsColor(3)                    XLIB FUNCTIONS                    XcmsColor(3)
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NAME

6       XcmsColor,  XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, Xcm‐
7       sCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad - Xcms color structure
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STRUCTURES

10       The structure for XcmsColor contains:
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12       typedef unsigned long XcmsColorFormat;            /* Color Specification Format */
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14       typedef struct {
15            union {
16                 XcmsRGB RGB;
17                 XcmsRGBi RGBi;
18                 XcmsCIEXYZ CIEXYZ;
19                 XcmsCIEuvY CIEuvY;
20                 XcmsCIExyY CIExyY;
21                 XcmsCIELab CIELab;
22                 XcmsCIELuv CIELuv;
23                 XcmsTekHVC TekHVC;
24                 XcmsPad Pad;
25            } spec;
26            unsigned long pixel;
27            XcmsColorFormat format;
28       } XcmsColor;             /* Xcms Color Structure */
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30       typedef double XcmsFloat;
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32       typedef struct {
33            unsigned short red; /* 0x0000 to 0xffff */
34            unsigned short green;    /* 0x0000 to 0xffff */
35            unsigned short blue;     /* 0x0000 to 0xffff */
36       } XcmsRGB;          /* RGB Device */
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38       typedef struct {
39            XcmsFloat red; /* 0.0 to 1.0 */
40            XcmsFloat green;    /* 0.0 to 1.0 */
41            XcmsFloat blue;     /* 0.0 to 1.0 */
42       } XcmsRGBi;         /* RGB Intensity */
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44       typedef struct {
45            XcmsFloat X;
46            XcmsFloat Y;   /* 0.0 to 1.0 */
47            XcmsFloat Z;
48       } XcmsCIEXYZ;       /* CIE XYZ */
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50       typedef struct {
51            XcmsFloat u_prime;  /* 0.0 to ~0.6 */
52            XcmsFloat v_prime;  /* 0.0 to ~0.6 */
53            XcmsFloat Y;   /* 0.0 to 1.0 */
54       } XcmsCIEuvY;       /* CIE u'v'Y */
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56       typedef struct {
57            XcmsFloat x;   /* 0.0 to ~.75 */
58            XcmsFloat y;   /* 0.0 to ~.85 */
59            XcmsFloat Y;   /* 0.0 to 1.0 */
60       } XcmsCIExyY;       /* CIE xyY */
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62       typedef struct {
63            XcmsFloat L_star;   /* 0.0 to 100.0 */
64            XcmsFloat a_star;
65            XcmsFloat b_star;
66       } XcmsCIELab;       /* CIE L*a*b* */
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68       typedef struct {
69            XcmsFloat L_star;   /* 0.0 to 100.0 */
70            XcmsFloat u_star;
71            XcmsFloat v_star;
72       } XcmsCIELuv;       /* CIE L*u*v* */
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74       typedef struct {
75            XcmsFloat H;   /* 0.0 to 360.0 */
76            XcmsFloat V;   /* 0.0 to 100.0 */
77            XcmsFloat C;   /* 0.0 to 100.0 */
78       } XcmsTekHVC;       /* TekHVC */
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80       typedef struct {
81            XcmsFloat pad0;
82            XcmsFloat pad1;
83            XcmsFloat pad2;
84            XcmsFloat pad3;
85       } XcmsPad;          /* four doubles */
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DESCRIPTION

88       The XcmsColor structure contains a union of  substructures,  each  sup‐
89       porting color specification encoding for a particular color space.
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SEE ALSO

92       XcmsAllocColor(3), XcmsStoreColor(3), XcmsConvertColors(3),
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94       Xlib - C Language X Interface
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98X Version 11                     libX11 1.6.9                     XcmsColor(3)
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