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/* * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc. * All Rights Reserved * * This file is a component of an X Window System-specific implementation * of Xcms based on the TekColor Color Management System. Permission is * hereby granted to use, copy, modify, sell, and otherwise distribute this * software and its documentation for any purpose and without fee, provided * that this copyright, permission, and disclaimer notice is reproduced in * all copies of this software and in supporting documentation. TekColor * is a trademark of Tektronix, Inc. * * Tektronix makes no representation about the suitability of this software * for any purpose. It is provided "as is" and with all faults. * * TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE, * INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE. IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER * RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF * CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE. * * * DESCRIPTION * Public include file for X Color Management System */ #ifndef _X11_XCMS_H_ #define _X11_XCMS_H_ #include <X11/Xlib.h> /* The Xcms structs are full of implicit padding to properly align members. We can't clean that up without breaking ABI, so tell clang not to bother complaining about it. */ #ifdef __clang__ #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wpadded" #endif /* * XCMS Status Values */ #define XcmsFailure 0 #define XcmsSuccess 1 #define XcmsSuccessWithCompression 2 /* * Color Space Format ID's * Color Space ID's are of XcmsColorFormat type. * * bit 31 * 0 == Device-Independent * 1 == Device-Dependent * * bit 30: * 0 == Registered with X Consortium * 1 == Unregistered */ #define XcmsUndefinedFormat (XcmsColorFormat)0x00000000 #define XcmsCIEXYZFormat (XcmsColorFormat)0x00000001 #define XcmsCIEuvYFormat (XcmsColorFormat)0x00000002 #define XcmsCIExyYFormat (XcmsColorFormat)0x00000003 #define XcmsCIELabFormat (XcmsColorFormat)0x00000004 #define XcmsCIELuvFormat (XcmsColorFormat)0x00000005 #define XcmsTekHVCFormat (XcmsColorFormat)0x00000006 #define XcmsRGBFormat (XcmsColorFormat)0x80000000 #define XcmsRGBiFormat (XcmsColorFormat)0x80000001 /* * State of XcmsPerScrnInfo */ #define XcmsInitNone 0x00 /* no initialization attempted */ #define XcmsInitSuccess 0x01 /* initialization successful */ #define XcmsInitFailure 0xff /* failure, use defaults */ #define DisplayOfCCC(ccc) ((ccc)->dpy) #define ScreenNumberOfCCC(ccc) ((ccc)->screenNumber) #define VisualOfCCC(ccc) ((ccc)->visual) #define ClientWhitePointOfCCC(ccc) (&(ccc)->clientWhitePt) #define ScreenWhitePointOfCCC(ccc) (&(ccc)->pPerScrnInfo->screenWhitePt) #define FunctionSetOfCCC(ccc) ((ccc)->pPerScrnInfo->functionSet) typedef unsigned long XcmsColorFormat; /* Color Space Format ID */ typedef double XcmsFloat; /* * Device RGB */ typedef struct { unsigned short red; /* scaled from 0x0000 to 0xffff */ unsigned short green; /* scaled from 0x0000 to 0xffff */ unsigned short blue; /* scaled from 0x0000 to 0xffff */ } XcmsRGB; /* * RGB Intensity */ typedef struct { XcmsFloat red; /* 0.0 - 1.0 */ XcmsFloat green; /* 0.0 - 1.0 */ XcmsFloat blue; /* 0.0 - 1.0 */ } XcmsRGBi; /* * CIE XYZ */ typedef struct { XcmsFloat X; XcmsFloat Y; XcmsFloat Z; } XcmsCIEXYZ; /* * CIE u'v'Y */ typedef struct { XcmsFloat u_prime; /* 0.0 - 1.0 */ XcmsFloat v_prime; /* 0.0 - 1.0 */ XcmsFloat Y; /* 0.0 - 1.0 */ } XcmsCIEuvY; /* * CIE xyY */ typedef struct { XcmsFloat x; /* 0.0 - 1.0 */ XcmsFloat y; /* 0.0 - 1.0 */ XcmsFloat Y; /* 0.0 - 1.0 */ } XcmsCIExyY; /* * CIE L*a*b* */ typedef struct { XcmsFloat L_star; /* 0.0 - 100.0 */ XcmsFloat a_star; XcmsFloat b_star; } XcmsCIELab; /* * CIE L*u*v* */ typedef struct { XcmsFloat L_star; /* 0.0 - 100.0 */ XcmsFloat u_star; XcmsFloat v_star; } XcmsCIELuv; /* * TekHVC */ typedef struct { XcmsFloat H; /* 0.0 - 360.0 */ XcmsFloat V; /* 0.0 - 100.0 */ XcmsFloat C; /* 0.0 - 100.0 */ } XcmsTekHVC; /* * PAD */ typedef struct { XcmsFloat pad0; XcmsFloat pad1; XcmsFloat pad2; XcmsFloat pad3; } XcmsPad; /* * XCMS Color Structure */ typedef struct { union { XcmsRGB RGB; XcmsRGBi RGBi; XcmsCIEXYZ CIEXYZ; XcmsCIEuvY CIEuvY; XcmsCIExyY CIExyY; XcmsCIELab CIELab; XcmsCIELuv CIELuv; XcmsTekHVC TekHVC; XcmsPad Pad; } spec; /* the color specification */ unsigned long pixel; /* pixel value (as needed) */ XcmsColorFormat format; /* the specification format */ } XcmsColor; /* * XCMS Per Screen related data */ typedef struct _XcmsPerScrnInfo { XcmsColor screenWhitePt; /* Screen White point */ XPointer functionSet; /* pointer to Screen Color Characterization */ /* Function Set structure */ XPointer screenData; /* pointer to corresponding Screen Color*/ /* Characterization Data */ unsigned char state; /* XcmsInitNone, XcmsInitSuccess, XcmsInitFailure */ char pad[3]; } XcmsPerScrnInfo; typedef struct _XcmsCCC *XcmsCCC; typedef Status (*XcmsCompressionProc)( /* Gamut Compression Proc */ XcmsCCC /* ccc */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, unsigned int /* index */, Bool* /* compression_flags_return */ ); typedef Status (*XcmsWhiteAdjustProc)( /* White Point Adjust Proc */ XcmsCCC /* ccc */, XcmsColor* /* initial_white_point*/, XcmsColor* /* target_white_point*/, XcmsColorFormat /* target_format */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, Bool* /* compression_flags_return */ ); /* * XCMS Color Conversion Context */ typedef struct _XcmsCCC { Display *dpy; /* X Display */ int screenNumber; /* X screen number */ Visual *visual; /* X Visual */ XcmsColor clientWhitePt; /* Client White Point */ XcmsCompressionProc gamutCompProc; /* Gamut Compression Function */ XPointer gamutCompClientData; /* Gamut Comp Func Client Data */ XcmsWhiteAdjustProc whitePtAdjProc; /* White Point Adjustment Function */ XPointer whitePtAdjClientData; /* White Pt Adj Func Client Data */ XcmsPerScrnInfo *pPerScrnInfo; /* pointer to per screen information */ /* associated with the above display */ /* screenNumber */ } XcmsCCCRec; typedef Status (*XcmsScreenInitProc)( /* Screen Initialization Proc */ Display* /* dpy */, int /* screen_number */, XcmsPerScrnInfo* /* screen_info */ ); typedef void (*XcmsScreenFreeProc)( XPointer /* screenData */ ); /* * Function List Pointer -- pointer to an array of function pointers. * The end of list is indicated by a NULL pointer. */ /* * XXX: The use of the XcmsConversionProc type is broken. The * device-independent colour conversion code uses it as: typedef Status (*XcmsConversionProc)(XcmsCCC, XcmsColor *, XcmsColor *, unsigned int); * while the device-dependent code uses it as: typedef Status (*XcmsConversionProc)(XcmsCCC, XcmsColor *, unsigned int, Bool *); * Until this is reworked, it's probably best to leave it unprotoized. * The code works regardless. */ typedef Status (*XcmsDDConversionProc)( /* using device-dependent version */ XcmsCCC /* ccc */, XcmsColor* /* pcolors_in_out */, unsigned int /* ncolors */, Bool* /* pCompressed */ ); typedef Status (*XcmsDIConversionProc)( /* using device-independent version */ XcmsCCC /* ccc */, XcmsColor* /* white_point */, XcmsColor* /* pcolors_in_out */, unsigned int /* ncolors */ ); typedef XcmsDIConversionProc XcmsConversionProc; typedef XcmsConversionProc *XcmsFuncListPtr; typedef int (*XcmsParseStringProc)( /* Color String Parsing Proc */ char* /* color_string */, XcmsColor* /* color_return */ ); /* * Color Space -- per Color Space related data (Device-Independent * or Device-Dependent) */ typedef struct _XcmsColorSpace { const char *prefix; /* Prefix of string format. */ XcmsColorFormat id; /* Format ID number. */ XcmsParseStringProc parseString; /* String format parsing function */ XcmsFuncListPtr to_CIEXYZ; /* Pointer to an array of function */ /* pointers such that when the */ /* functions are executed in sequence */ /* will convert a XcmsColor structure */ /* from this color space to CIEXYZ */ /* space. */ XcmsFuncListPtr from_CIEXYZ;/* Pointer to an array of function */ /* pointers such that when the */ /* functions are executed in sequence */ /* will convert a XcmsColor structure */ /* from CIEXYZ space to this color */ /* space. */ int inverse_flag; /* If 1, indicates that for 0 <= i < n */ /* where n is the number of function */ /* pointers in the lists to_CIEXYZ */ /* and from_CIEXYZ; for each function */ /* to_CIEXYZ[i] its inverse function */ /* is from_CIEXYZ[n - i]. */ } XcmsColorSpace; /* * Screen Color Characterization Function Set -- per device class * color space conversion functions. */ typedef struct _XcmsFunctionSet { XcmsColorSpace **DDColorSpaces; /* Pointer to an array of pointers to */ /* Device-DEPENDENT color spaces */ /* understood by this SCCFuncSet. */ XcmsScreenInitProc screenInitProc; /* Screen initialization function that */ /* reads Screen Color Characterization*/ /* Data off properties on the screen's*/ /* root window. */ XcmsScreenFreeProc screenFreeProc; /* Function that frees the SCCData */ /* structures. */ } XcmsFunctionSet; _XFUNCPROTOBEGIN extern Status XcmsAddColorSpace ( XcmsColorSpace* /* pColorSpace */ ); extern Status XcmsAddFunctionSet ( XcmsFunctionSet* /* functionSet */ ); extern Status XcmsAllocColor ( Display* /* dpy */, Colormap /* colormap */, XcmsColor* /* color_in_out */, XcmsColorFormat /* result_format */ ); extern Status XcmsAllocNamedColor ( Display* /* dpy */, Colormap /* colormap */, _Xconst char* /* color_string */, XcmsColor* /* color_scrn_return */, XcmsColor* /* color_exact_return */, XcmsColorFormat /* result_format */ ); extern XcmsCCC XcmsCCCOfColormap ( Display* /* dpy */, Colormap /* colormap */ ); extern Status XcmsCIELabClipab( XcmsCCC /* ccc */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, unsigned int /* index */, Bool* /* compression_flags_return */ ); extern Status XcmsCIELabClipL( XcmsCCC /* ccc */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, unsigned int /* index */, Bool* /* compression_flags_return */ ); extern Status XcmsCIELabClipLab( XcmsCCC /* ccc */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, unsigned int /* index */, Bool* /* compression_flags_return */ ); extern Status XcmsCIELabQueryMaxC ( XcmsCCC /* ccc */, XcmsFloat /* hue_angle */, XcmsFloat /* L_star */, XcmsColor* /* color_return */ ); extern Status XcmsCIELabQueryMaxL ( XcmsCCC /* ccc */, XcmsFloat /* hue_angle */, XcmsFloat /* chroma */, XcmsColor* /* color_return */ ); extern Status XcmsCIELabQueryMaxLC ( XcmsCCC /* ccc */, XcmsFloat /* hue_angle */, XcmsColor* /* color_return */ ); extern Status XcmsCIELabQueryMinL ( XcmsCCC /* ccc */, XcmsFloat /* hue_angle */, XcmsFloat /* chroma */, XcmsColor* /* color_return */ ); extern Status XcmsCIELabToCIEXYZ ( XcmsCCC /* ccc */, XcmsColor* /* white_point */, XcmsColor* /* colors */, unsigned int /* ncolors */ ); extern Status XcmsCIELabWhiteShiftColors( XcmsCCC /* ccc */, XcmsColor* /* initial_white_point*/, XcmsColor* /* target_white_point*/, XcmsColorFormat /* target_format */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, Bool* /* compression_flags_return */ ); extern Status XcmsCIELuvClipL( XcmsCCC /* ccc */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, unsigned int /* index */, Bool* /* compression_flags_return */ ); extern Status XcmsCIELuvClipLuv( XcmsCCC /* ccc */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, unsigned int /* index */, Bool* /* compression_flags_return */ ); extern Status XcmsCIELuvClipuv( XcmsCCC /* ccc */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, unsigned int /* index */, Bool* /* compression_flags_return */ ); extern Status XcmsCIELuvQueryMaxC ( XcmsCCC /* ccc */, XcmsFloat /* hue_angle */, XcmsFloat /* L_star */, XcmsColor* /* color_return */ ); extern Status XcmsCIELuvQueryMaxL ( XcmsCCC /* ccc */, XcmsFloat /* hue_angle */, XcmsFloat /* chroma */, XcmsColor* /* color_return */ ); extern Status XcmsCIELuvQueryMaxLC ( XcmsCCC /* ccc */, XcmsFloat /* hue_angle */, XcmsColor* /* color_return */ ); extern Status XcmsCIELuvQueryMinL ( XcmsCCC /* ccc */, XcmsFloat /* hue_angle */, XcmsFloat /* chroma */, XcmsColor* /* color_return */ ); extern Status XcmsCIELuvToCIEuvY ( XcmsCCC /* ccc */, XcmsColor* /* white_point */, XcmsColor* /* colors */, unsigned int /* ncolors */ ); extern Status XcmsCIELuvWhiteShiftColors( XcmsCCC /* ccc */, XcmsColor* /* initial_white_point*/, XcmsColor* /* target_white_point*/, XcmsColorFormat /* target_format */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, Bool* /* compression_flags_return */ ); extern Status XcmsCIEXYZToCIELab ( XcmsCCC /* ccc */, XcmsColor* /* white_point */, XcmsColor* /* colors */, unsigned int /* ncolors */ ); extern Status XcmsCIEXYZToCIEuvY ( XcmsCCC /* ccc */, XcmsColor* /* white_point */, XcmsColor* /* colors */, unsigned int /* ncolors */ ); extern Status XcmsCIEXYZToCIExyY ( XcmsCCC /* ccc */, XcmsColor* /* white_point */, XcmsColor* /* colors */, unsigned int /* ncolors */ ); extern Status XcmsCIEXYZToRGBi ( XcmsCCC /* ccc */, XcmsColor* /* colors */, unsigned int /* ncolors */, Bool* /* compression_flags_return */ ); extern Status XcmsCIEuvYToCIELuv ( XcmsCCC /* ccc */, XcmsColor* /* white_point */, XcmsColor* /* colors */, unsigned int /* ncolors */ ); extern Status XcmsCIEuvYToCIEXYZ ( XcmsCCC /* ccc */, XcmsColor* /* white_point */, XcmsColor* /* colors */, unsigned int /* ncolors */ ); extern Status XcmsCIEuvYToTekHVC ( XcmsCCC /* ccc */, XcmsColor* /* white_point */, XcmsColor* /* colors */, unsigned int /* ncolors */ ); extern Status XcmsCIExyYToCIEXYZ ( XcmsCCC /* ccc */, XcmsColor* /* white_point */, XcmsColor* /* colors */, unsigned int /* ncolors */ ); extern XcmsColor *XcmsClientWhitePointOfCCC ( XcmsCCC /* ccc */ ); extern Status XcmsConvertColors ( XcmsCCC /* ccc */, XcmsColor* /* colorArry_in_out */, unsigned int /* nColors */, XcmsColorFormat /* targetFormat */, Bool* /* compArry_return */ ); extern XcmsCCC XcmsCreateCCC ( Display* /* dpy */, int /* screenNumber */, Visual* /* visual */, XcmsColor* /* clientWhitePt */, XcmsCompressionProc /* gamutCompProc */, XPointer /* gamutCompClientData */, XcmsWhiteAdjustProc /* whitePtAdjProc */, XPointer /* whitePtAdjClientData */ ); extern XcmsCCC XcmsDefaultCCC ( Display* /* dpy */, int /* screenNumber */ ); extern Display *XcmsDisplayOfCCC ( XcmsCCC /* ccc */ ); extern XcmsColorFormat XcmsFormatOfPrefix ( char* /* prefix */ ); extern void XcmsFreeCCC ( XcmsCCC /* ccc */ ); extern Status XcmsLookupColor ( Display* /* dpy */, Colormap /* colormap */, _Xconst char* /* color_string */, XcmsColor* /* pColor_exact_in_out */, XcmsColor* /* pColor_scrn_in_out */, XcmsColorFormat /* result_format */ ); extern char *XcmsPrefixOfFormat ( XcmsColorFormat /* id */ ); extern Status XcmsQueryBlack ( XcmsCCC /* ccc */, XcmsColorFormat /* target_format */, XcmsColor* /* color_return */ ); extern Status XcmsQueryBlue ( XcmsCCC /* ccc */, XcmsColorFormat /* target_format */, XcmsColor* /* color_return */ ); extern Status XcmsQueryColor ( Display* /* dpy */, Colormap /* colormap */, XcmsColor* /* pColor_in_out */, XcmsColorFormat /* result_format */ ); extern Status XcmsQueryColors ( Display* /* dpy */, Colormap /* colormap */, XcmsColor* /* colorArry_in_out */, unsigned int /* nColors */, XcmsColorFormat /* result_format */ ); extern Status XcmsQueryGreen ( XcmsCCC /* ccc */, XcmsColorFormat /* target_format */, XcmsColor* /* color_return */ ); extern Status XcmsQueryRed ( XcmsCCC /* ccc */, XcmsColorFormat /* target_format */, XcmsColor* /* color_return */ ); extern Status XcmsQueryWhite ( XcmsCCC /* ccc */, XcmsColorFormat /* target_format */, XcmsColor* /* color_return */ ); extern Status XcmsRGBiToCIEXYZ ( XcmsCCC /* ccc */, XcmsColor* /* colors */, unsigned int /* ncolors */, Bool* /* compression_flags_return */ ); extern Status XcmsRGBiToRGB ( XcmsCCC /* ccc */, XcmsColor* /* colors */, unsigned int /* ncolors */, Bool* /* compression_flags_return */ ); extern Status XcmsRGBToRGBi ( XcmsCCC /* ccc */, XcmsColor* /* colors */, unsigned int /* ncolors */, Bool* /* compression_flags_return */ ); extern int XcmsScreenNumberOfCCC ( XcmsCCC /* ccc */ ); extern XcmsColor *XcmsScreenWhitePointOfCCC ( XcmsCCC /* ccc */ ); extern XcmsCCC XcmsSetCCCOfColormap( Display* /* dpy */, Colormap /* colormap */, XcmsCCC /* ccc */ ); extern XcmsCompressionProc XcmsSetCompressionProc ( XcmsCCC /* ccc */, XcmsCompressionProc /* compression_proc */, XPointer /* client_data */ ); extern XcmsWhiteAdjustProc XcmsSetWhiteAdjustProc ( XcmsCCC /* ccc */, XcmsWhiteAdjustProc /* white_adjust_proc */, XPointer /* client_data */ ); extern Status XcmsSetWhitePoint ( XcmsCCC /* ccc */, XcmsColor* /* color */ ); extern Status XcmsStoreColor ( Display* /* dpy */, Colormap /* colormap */, XcmsColor* /* pColor_in */ ); extern Status XcmsStoreColors ( Display* /* dpy */, Colormap /* colormap */, XcmsColor* /* colorArry_in */, unsigned int /* nColors */, Bool* /* compArry_return */ ); extern Status XcmsTekHVCClipC( XcmsCCC /* ccc */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, unsigned int /* index */, Bool* /* compression_flags_return */ ); extern Status XcmsTekHVCClipV( XcmsCCC /* ccc */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, unsigned int /* index */, Bool* /* compression_flags_return */ ); extern Status XcmsTekHVCClipVC( XcmsCCC /* ccc */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, unsigned int /* index */, Bool* /* compression_flags_return */ ); extern Status XcmsTekHVCQueryMaxC ( XcmsCCC /* ccc */, XcmsFloat /* hue */, XcmsFloat /* value */, XcmsColor* /* color_return */ ); extern Status XcmsTekHVCQueryMaxV ( XcmsCCC /* ccc */, XcmsFloat /* hue */, XcmsFloat /* chroma */, XcmsColor* /* color_return */ ); extern Status XcmsTekHVCQueryMaxVC ( XcmsCCC /* ccc */, XcmsFloat /* hue */, XcmsColor* /* color_return */ ); extern Status XcmsTekHVCQueryMaxVSamples ( XcmsCCC /* ccc */, XcmsFloat /* hue */, XcmsColor* /* colors_return */, unsigned int /* nsamples */ ); extern Status XcmsTekHVCQueryMinV ( XcmsCCC /* ccc */, XcmsFloat /* hue */, XcmsFloat /* chroma */, XcmsColor* /* color_return */ ); extern Status XcmsTekHVCToCIEuvY ( XcmsCCC /* ccc */, XcmsColor* /* white_point */, XcmsColor* /* colors */, unsigned int /* ncolors */ ); extern Status XcmsTekHVCWhiteShiftColors( XcmsCCC /* ccc */, XcmsColor* /* initial_white_point*/, XcmsColor* /* target_white_point*/, XcmsColorFormat /* target_format */, XcmsColor* /* colors_in_out */, unsigned int /* ncolors */, Bool* /* compression_flags_return */ ); extern Visual *XcmsVisualOfCCC ( XcmsCCC /* ccc */ ); #ifdef __clang__ #pragma clang diagnostic pop #endif _XFUNCPROTOEND #endif /* _X11_XCMS_H_ */