From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: Checked in the following released items: xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz --- libX11/src/xcms/HVCMxVC.c | 237 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 237 insertions(+) create mode 100644 libX11/src/xcms/HVCMxVC.c (limited to 'libX11/src/xcms/HVCMxVC.c') diff --git a/libX11/src/xcms/HVCMxVC.c b/libX11/src/xcms/HVCMxVC.c new file mode 100644 index 000000000..c3726f08b --- /dev/null +++ b/libX11/src/xcms/HVCMxVC.c @@ -0,0 +1,237 @@ +/* $Xorg: HVCMxVC.c,v 1.3 2000/08/17 19:44:37 cpqbld Exp $ */ + +/* + * 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. TekColor is a + * trademark of Tektronix, Inc. The term "TekHVC" designates a particular + * color space that is the subject of U.S. Patent No. 4,985,853 (equivalent + * foreign patents pending). 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: + * + * 1. This copyright, permission, and disclaimer notice is reproduced in + * all copies of this software and any modification thereof and in + * supporting documentation; + * 2. Any color-handling application which displays TekHVC color + * cooordinates identifies these as TekHVC color coordinates in any + * interface that displays these coordinates and in any associated + * documentation; + * 3. The term "TekHVC" is always used, and is only used, in association + * with the mathematical derivations of the TekHVC Color Space, + * including those provided in this file and any equivalent pathways and + * mathematical derivations, regardless of digital (e.g., floating point + * or integer) representation. + * + * 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. + * + * NAME + * TekHVCMxVC.c + * + * DESCRIPTION + * Source for the XcmsTekHVCQueryMaxVC() gamut boundary + * querying routine. + * + */ +/* $XFree86$ */ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include "Xlibint.h" +#include "Xcmsint.h" +#include "Cv.h" + +/* + * DEFINES + */ +#define MIN(x,y) ((x) > (y) ? (y) : (x)) +#define MIN3(x,y,z) ((x) > (MIN((y), (z))) ? (MIN((y), (z))) : (x)) +#define MAX(x,y) ((x) > (y) ? (x) : (y)) +#define MAX3(x,y,z) ((x) > (MAX((y), (z))) ? (x) : (MAX((y), (z)))) +#define START_V 40.0 +#define START_C 120.0 + + +/************************************************************************ + * * + * API PRIVATE ROUTINES * + * * + ************************************************************************/ + +/* + * NAME + * _XcmsTekHVCQueryMaxVCRGB - Compute maximum value/chroma. + * + * SYNOPSIS + */ +Status +_XcmsTekHVCQueryMaxVCRGB( + XcmsCCC ccc, + XcmsFloat hue, + XcmsColor *pColor_return, + XcmsRGBi *pRGB_return) + +/* + * DESCRIPTION + * Return the maximum chroma for a specified hue, and the + * corresponding value. This is computed by a binary search of + * all possible chromas. An assumption is made that there are + * no local maxima. Use the unrounded Max Chroma because + * the difference check can be small. + * + * NOTE: No local CCC is used because this is a private + * routine and all routines that call it are expected + * to behave properly, i.e. send a local CCC with + * no white adjust function and no gamut compression + * function. + * + * This routine only accepts hue as input and outputs + * HVC's and RGBi's. + * + * RETURNS + * XcmsFailure - Failure + * XCMS_SUCCUSS - Succeeded + * + */ +{ + XcmsFloat nSmall, nLarge; + XcmsColor tmp; + + tmp.format = XcmsTekHVCFormat; + tmp.spec.TekHVC.H = hue; + /* Use some unreachable color on the given hue */ + tmp.spec.TekHVC.V = START_V; + tmp.spec.TekHVC.C = START_C; + + + /* + * Convert from HVC to RGB + * + * Note that the CIEXYZ to RGBi conversion routine must stuff the + * out of bounds RGBi values in tmp when the ccc->gamutCompProc + * is NULL. + */ + if ((_XcmsConvertColorsWithWhitePt(ccc, &tmp, + &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsRGBiFormat, (Bool *) NULL) + == XcmsFailure) && tmp.format != XcmsRGBiFormat) { + return (XcmsFailure); + } + + /* Now pick the smallest RGB */ + nSmall = MIN3(tmp.spec.RGBi.red, + tmp.spec.RGBi.green, + tmp.spec.RGBi.blue); + /* Make the smallest RGB equal to zero */ + tmp.spec.RGBi.red -= nSmall; + tmp.spec.RGBi.green -= nSmall; + tmp.spec.RGBi.blue -= nSmall; + + /* Now pick the largest RGB */ + nLarge = MAX3(tmp.spec.RGBi.red, + tmp.spec.RGBi.green, + tmp.spec.RGBi.blue); + /* Scale the RGB values based on the largest one */ + tmp.spec.RGBi.red /= nLarge; + tmp.spec.RGBi.green /= nLarge; + tmp.spec.RGBi.blue /= nLarge; + tmp.format = XcmsRGBiFormat; + + /* If the calling routine wants RGB value give them the ones used. */ + if (pRGB_return) { + pRGB_return->red = tmp.spec.RGBi.red; + pRGB_return->green = tmp.spec.RGBi.green; + pRGB_return->blue = tmp.spec.RGBi.blue; + } + + /* Convert from RGBi to HVC */ + if (_XcmsConvertColorsWithWhitePt(ccc, &tmp, + &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsTekHVCFormat, (Bool *) NULL) + == XcmsFailure) { + return (XcmsFailure); + } + + /* make sure to return the input hue */ + tmp.spec.TekHVC.H = hue; + memcpy((char *)pColor_return, (char *)&tmp, sizeof(XcmsColor)); + return (XcmsSuccess); +} + + +/************************************************************************ + * * + * PUBLIC ROUTINES * + * * + ************************************************************************/ + +/* + * NAME + * XcmsTekHVCQueryMaxVC - Compute maximum value and chroma. + * + * SYNOPSIS + */ +Status +XcmsTekHVCQueryMaxVC ( + XcmsCCC ccc, + XcmsFloat hue, + XcmsColor *pColor_return) + +/* + * DESCRIPTION + * Return the maximum chroma for the specified hue, and the + * corresponding value. + * + * ASSUMPTIONS + * This routine assumes that the white point associated with + * the color specification is the Screen White Point. The + * Screen White Point will also be associated with the + * returned color specification. + * + * RETURNS + * XcmsFailure - Failure + * XcmsSuccess - Succeeded + * + */ +{ + XcmsCCCRec myCCC; + + /* + * Check Arguments + */ + if (ccc == NULL || pColor_return == NULL) { + return(XcmsFailure); + } + + /* + * Insure TekHVC installed + */ + if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) { + return(XcmsFailure); + } + + /* Use my own CCC */ + memcpy ((char *)&myCCC, (char *)ccc, sizeof(XcmsCCCRec)); + myCCC.clientWhitePt.format = XcmsUndefinedFormat; + myCCC.gamutCompProc = (XcmsCompressionProc)NULL; + + while (hue < 0.0) { + hue += 360.0; + } + while (hue >= 360.0) { + hue -= 360.0; + } + + return(_XcmsTekHVCQueryMaxVCRGB (&myCCC, hue, pColor_return, + (XcmsRGBi *)NULL)); +} -- cgit v1.2.3