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Diffstat (limited to 'nx-X11/lib/src/xcms/Xcmsint.h')
| -rw-r--r-- | nx-X11/lib/src/xcms/Xcmsint.h | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/nx-X11/lib/src/xcms/Xcmsint.h b/nx-X11/lib/src/xcms/Xcmsint.h new file mode 100644 index 000000000..8a2decb11 --- /dev/null +++ b/nx-X11/lib/src/xcms/Xcmsint.h @@ -0,0 +1,260 @@ + +/* + * 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 + * Private include file for Color Management System. + * (i.e., for API internal use only) + * + */ + +#ifndef _XCMSINT_H_ +#define _XCMSINT_H_ + +#include <nx-X11/Xcms.h> + +/* + * DEFINES + */ + + /* + * Private Status Value + */ +#define _XCMS_NEWNAME -1 + + /* + * 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 XCMS_DD_ID(id) ((id) & (XcmsColorFormat)0x80000000) +#define XCMS_DI_ID(id) (!((id) & (XcmsColorFormat)0x80000000)) +#define XCMS_UNREG_ID(id) ((id) & (XcmsColorFormat)0x40000000) +#define XCMS_REG_ID(id) (!((id) & (XcmsColorFormat)0x40000000)) +#define XCMS_FIRST_REG_DI_ID (XcmsColorFormat)0x00000001 +#define XCMS_FIRST_UNREG_DI_ID (XcmsColorFormat)0x40000000 +#define XCMS_FIRST_REG_DD_ID (XcmsColorFormat)0x80000000 +#define XCMS_FIRST_UNREG_DD_ID (XcmsColorFormat)0xc0000000 + +/* + * TYPEDEFS + */ + + /* + * Structure for caching Colormap info. + * This is provided for the Xlib modifications to: + * XAllocNamedColor() + * XLookupColor() + * XParseColor() + * XStoreNamedColor() + */ +typedef struct _XcmsCmapRec { + Colormap cmapID; + Display *dpy; + Window windowID; + Visual *visual; + struct _XcmsCCC *ccc; + struct _XcmsCmapRec *pNext; +} XcmsCmapRec; + + /* + * Intensity Record (i.e., value / intensity tuple) + */ +typedef struct _IntensityRec { + unsigned short value; + XcmsFloat intensity; +} IntensityRec; + + /* + * Intensity Table + */ +typedef struct _IntensityTbl { + IntensityRec *pBase; + unsigned int nEntries; +} IntensityTbl; + + /* + * Structure for storing per-Visual Intensity Tables (aka gamma maps). + */ +typedef struct _XcmsIntensityMap { + VisualID visualID; + XPointer screenData; /* pointer to corresponding Screen Color*/ + /* Characterization Data */ + void (*pFreeScreenData)(XPointer pScreenDataTemp); /* Function that frees a Screen */ + /* structure. */ + struct _XcmsIntensityMap *pNext; +} XcmsIntensityMap; + + + /* + * Structure for storing "registered" color space prefix/ID + */ +typedef struct _XcmsRegColorSpaceEntry { + const char *prefix; /* Color Space prefix (e.g., "CIEXYZ:") */ + XcmsColorFormat id; /* Color Space ID (e.g., XcmsCIEXYZFormat) */ +} XcmsRegColorSpaceEntry; + + + /* + * Xcms Per Display (i.e. connection) related data + */ +typedef struct _XcmsPerDpyInfo { + + XcmsCCC paDefaultCCC; /* based on default visual of screen */ + /* + * Pointer to an array of XcmsCCC structures, one for + * each screen. + */ + XcmsCmapRec *pClientCmaps; /* Pointer to linked list of XcmsCmapRec's */ + +} XcmsPerDpyInfo, *XcmsPerDpyInfoPtr; + +/* + * DEFINES + */ + +#define XDCCC_NUMBER 0x8000000L /* 2**27 per XDCCC */ + +#ifdef GRAY +#define XDCCC_SCREENWHITEPT_ATOM_NAME "XDCCC_GRAY_SCREENWHITEPOINT" +#define XDCCC_GRAY_CORRECT_ATOM_NAME "XDCCC_GRAY_CORRECTION" +#endif /* GRAY */ + +#ifndef _ConversionValues +typedef struct _ConversionValues { + IntensityTbl IntensityTbl; +} ConversionValues; +#endif + +#ifdef GRAY +typedef struct { + IntensityTbl *IntensityTbl; +} GRAY_SCCData; +#endif /* GRAY */ + +/* + * DEFINES + */ + +#define XDCCC_MATRIX_ATOM_NAME "XDCCC_LINEAR_RGB_MATRICES" +#define XDCCC_CORRECT_ATOM_NAME "XDCCC_LINEAR_RGB_CORRECTION" + +typedef struct { + XcmsFloat XYZtoRGBmatrix[3][3]; + XcmsFloat RGBtoXYZmatrix[3][3]; + IntensityTbl *pRedTbl; + IntensityTbl *pGreenTbl; + IntensityTbl *pBlueTbl; +} LINEAR_RGB_SCCData; + +/* function prototypes */ +extern XcmsCmapRec * +_XcmsAddCmapRec( + Display *dpy, + Colormap cmap, + Window windowID, + Visual *visual); +extern void +_XcmsRGB_to_XColor( + XcmsColor *pColors, + XColor *pXColors, + unsigned int nColors); +extern Status +_XcmsResolveColorString ( + XcmsCCC ccc, + const char **color_string, + XcmsColor *pColor_exact_return, + XcmsColorFormat result_format); +extern void +_XUnresolveColor( + XcmsCCC ccc, + XColor *pXColor); +/* + * DESCRIPTION + * Include file for defining the math macros used in the + * XCMS source. Instead of using math library routines + * directly, XCMS uses macros so that based on the + * definitions here, vendors and sites can specify exactly + * what routine will be called (those from libm.a or their + * custom routines). If not defined to math library routines + * (e.g., sqrt in libm.a), then the client is not forced to + * be linked with -lm. + */ + +#define XCMS_ATAN(x) _XcmsArcTangent(x) +#define XCMS_COS(x) _XcmsCosine(x) +#define XCMS_CUBEROOT(x) _XcmsCubeRoot(x) +#define XCMS_FABS(x) ((x) < 0.0 ? -(x) : (x)) +#define XCMS_SIN(x) _XcmsSine(x) +#define XCMS_SQRT(x) _XcmsSquareRoot(x) +#define XCMS_TAN(x) (XCMS_SIN(x) / XCMS_COS(x)) + +double _XcmsArcTangent(double a); +double _XcmsCosine(double a); +double _XcmsCubeRoot(double a); +double _XcmsSine(double a); +double _XcmsSquareRoot(double a); + +/* + * DEFINES FOR GAMUT COMPRESSION AND QUERY ROUTINES + */ +#ifndef PI +# ifdef M_PI +# define PI M_PI +# else +# define PI 3.14159265358979323846264338327950 +# endif /* M_PI */ +#endif /* PI */ +#ifndef degrees +# define degrees(r) ((XcmsFloat)(r) * 180.0 / PI) +#endif /* degrees */ +#ifndef radians +# define radians(d) ((XcmsFloat)(d) * PI / 180.0) +#endif /* radians */ + +#define XCMS_CIEUSTAROFHUE(h,c) \ +((XCMS_COS((h)) == 0.0) ? (XcmsFloat)0.0 : (XcmsFloat) \ +((XcmsFloat)(c) / (XcmsFloat)XCMS_SQRT((XCMS_TAN(h) * XCMS_TAN(h)) + \ +(XcmsFloat)1.0))) +#define XCMS_CIEVSTAROFHUE(h,c) \ +((XCMS_COS((h)) == 0.0) ? (XcmsFloat)0.0 : (XcmsFloat) \ +((XcmsFloat)(c) / (XcmsFloat)XCMS_SQRT(((XcmsFloat)1.0 / \ +(XcmsFloat)(XCMS_TAN(h) * XCMS_TAN(h))) + (XcmsFloat)1.0))) +/* this hue is returned in radians */ +#define XCMS_CIELUV_PMETRIC_HUE(u,v) \ +(((u) != 0.0) ? XCMS_ATAN( (v) / (u)) : ((v >= 0.0) ? PI / 2 : -(PI / 2))) +#define XCMS_CIELUV_PMETRIC_CHROMA(u,v) XCMS_SQRT(((u)*(u)) + ((v)*(v))) + +#define XCMS_CIEASTAROFHUE(h,c) XCMS_CIEUSTAROFHUE((h), (c)) +#define XCMS_CIEBSTAROFHUE(h,c) XCMS_CIEVSTAROFHUE((h), (c)) +#define XCMS_CIELAB_PMETRIC_HUE(a,b) XCMS_CIELUV_PMETRIC_HUE((a), (b)) +#define XCMS_CIELAB_PMETRIC_CHROMA(a,b) XCMS_CIELUV_PMETRIC_CHROMA((a), (b)) + +#endif /* _XCMSINT_H_ */ |