XcmsTekHVC(3)

Xcms color structure

Section 3 libx11-doc bookworm source

Description

XcmsColor

NAME

XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, XcmsCIELab, 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 Lab* */

typedef struct {


	XcmsFloat L_star;					/* 0.0 to 100.0 */
	XcmsFloat u_star;
	XcmsFloat v_star;
	} XcmsCIELuv;				/* CIE Luv* */

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 supporting color specification encoding for a particular color space.

SEE ALSO

XcmsAllocColor(3), XcmsStoreColor(3), XcmsConvertColors(3),

Xlib - C Language X Interface

See Also