XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, XcmsCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad - Xcms color structure
The structure for XcmsColor contains:
typedef unsigned long XcmsColorFormat; |
/* Color Specification Format */ |
typedef struct {
union { |
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XcmsRGB RGB; |
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XcmsRGBi RGBi; |
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XcmsCIEXYZ CIEXYZ; |
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XcmsCIEuvY CIEuvY; |
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XcmsCIExyY CIExyY; |
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XcmsCIELab CIELab; |
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XcmsCIELuv CIELuv; |
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XcmsTekHVC TekHVC; |
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XcmsPad Pad; |
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} spec; |
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unsigned long pixel; |
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XcmsColorFormat format; |
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} XcmsColor; |
/* Xcms Color Structure */ |
typedef double XcmsFloat;
typedef struct {
unsigned short red; |
/* 0x0000 to 0xffff */ |
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unsigned short green; |
/* 0x0000 to 0xffff */ |
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unsigned short blue; |
/* 0x0000 to 0xffff */ |
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} XcmsRGB; |
/* RGB Device */ |
typedef struct {
XcmsFloat red; |
/* 0.0 to 1.0 */ |
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XcmsFloat green; |
/* 0.0 to 1.0 */ |
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XcmsFloat blue; |
/* 0.0 to 1.0 */ |
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} XcmsRGBi; |
/* RGB Intensity */ |
typedef struct {
XcmsFloat X; |
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XcmsFloat Y; |
/* 0.0 to 1.0 */ |
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XcmsFloat Z; |
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} XcmsCIEXYZ; |
/* CIE XYZ */ |
typedef struct {
XcmsFloat u_prime; |
/* 0.0 to ~0.6 */ |
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XcmsFloat v_prime; |
/* 0.0 to ~0.6 */ |
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XcmsFloat Y; |
/* 0.0 to 1.0 */ |
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} XcmsCIEuvY; |
/* CIE u’v’Y */ |
typedef struct {
XcmsFloat x; |
/* 0.0 to ~.75 */ |
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XcmsFloat y; |
/* 0.0 to ~.85 */ |
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XcmsFloat Y; |
/* 0.0 to 1.0 */ |
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} XcmsCIExyY; |
/* CIE xyY */ |
typedef struct {
XcmsFloat L_star; |
/* 0.0 to 100.0 */ |
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XcmsFloat a_star; |
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XcmsFloat b_star; |
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} XcmsCIELab; |
/* CIE L*a*b* */ |
typedef struct {
XcmsFloat L_star; |
/* 0.0 to 100.0 */ |
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XcmsFloat u_star; |
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XcmsFloat v_star; |
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} XcmsCIELuv; |
/* CIE L*u*v* */ |
typedef struct {
XcmsFloat H; |
/* 0.0 to 360.0 */ |
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XcmsFloat V; |
/* 0.0 to 100.0 */ |
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XcmsFloat C; |
/* 0.0 to 100.0 */ |
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} XcmsTekHVC; |
/* TekHVC */ |
typedef struct {
XcmsFloat pad0;
XcmsFloat pad1;
XcmsFloat pad2;
XcmsFloat pad3;
} XcmsPad;
/* four doubles */ |
The XcmsColor structure contains a union of substructures, each supporting color specification encoding for a particular color space.
XcmsAllocColor(3), XcmsStoreColor(3), XcmsConvertColors(3),
Xlib - C Language X Interface