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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
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Diffstat (limited to 'libX11/src/xcms/SetGetCols.c')
-rw-r--r--libX11/src/xcms/SetGetCols.c303
1 files changed, 303 insertions, 0 deletions
diff --git a/libX11/src/xcms/SetGetCols.c b/libX11/src/xcms/SetGetCols.c
new file mode 100644
index 000000000..03f7a2f72
--- /dev/null
+++ b/libX11/src/xcms/SetGetCols.c
@@ -0,0 +1,303 @@
+/* $Xorg: SetGetCols.c,v 1.3 2000/08/17 19:44:54 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. 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.
+ *
+ *
+ * NAME
+ * XcmsSetGet.c
+ *
+ * DESCRIPTION
+ * Source for _XcmsSetGetColors()
+ *
+ *
+ */
+/* $XFree86$ */
+
+/*
+ * EXTERNAL INCLUDES
+ * Include files that must be exported to any package or
+ * program using this package.
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ * *
+ * API PRIVATE ROUTINES *
+ * *
+ ************************************************************************/
+
+/*
+ * NAME
+ * XcmsSetColor -
+ *
+ * SYNOPSIS
+ */
+Status
+_XcmsSetGetColor(
+ Status (*xColorProc)(
+ Display* /* display */,
+ Colormap /* colormap */,
+ XColor* /* screen_in_out */),
+ Display *dpy,
+ Colormap cmap,
+ XcmsColor *pColors_in_out,
+ XcmsColorFormat result_format,
+ Bool *pCompressed)
+/*
+ * DESCRIPTION
+ * Routine containing code common to:
+ * XcmsAllocColor
+ * XcmsQueryColor
+ * XcmsStoreColor
+ *
+ * RETURNS
+ * XcmsFailure if failed;
+ * XcmsSuccess if it succeeded without gamut compression;
+ * XcmsSuccessWithCompression if it succeeded with gamut
+ * compression;
+ */
+{
+ XcmsCCC ccc;
+ XColor XColors_in_out;
+ Status retval = XcmsSuccess;
+
+ /*
+ * Argument Checking
+ * 1. Assume xColorProc is correct
+ * 2. Insure ccc not NULL
+ * 3. Assume cmap correct (should be checked by Server)
+ * 4. Insure pColors_in_out valid
+ * 5. Assume method_in is valid (should be checked by Server)
+ */
+
+ if (dpy == NULL) {
+ return(XcmsFailure);
+ }
+
+ if (result_format == XcmsUndefinedFormat) {
+ return(XcmsFailure);
+ }
+
+ if ( !((*xColorProc == XAllocColor) || (*xColorProc == XStoreColor)
+ || (*xColorProc == XQueryColor)) ) {
+ return(XcmsFailure);
+ }
+
+ if ((ccc = XcmsCCCOfColormap(dpy, cmap)) == (XcmsCCC)NULL) {
+ return(XcmsFailure);
+ }
+
+ if (*xColorProc == XQueryColor) {
+ goto Query;
+ }
+
+ /*
+ * Convert to RGB, adjusting for white point differences if necessary.
+ */
+ if ((retval = XcmsConvertColors(ccc, pColors_in_out, 1, XcmsRGBFormat,
+ pCompressed)) == XcmsFailure) {
+ return(XcmsFailure);
+ }
+
+Query:
+ /*
+ * Convert XcmsColor to XColor structures
+ */
+ _XcmsRGB_to_XColor(pColors_in_out, &XColors_in_out, 1);
+
+ /*
+ * Now make appropriate X Call
+ */
+ if (*xColorProc == XAllocColor) {
+ if ((*xColorProc)(ccc->dpy, cmap, &XColors_in_out) == 0) {
+ return(XcmsFailure);
+ }
+ } else if ((*xColorProc == XQueryColor) || (*xColorProc == XStoreColor)) {
+ /* Note: XQueryColor and XStoreColor do not return any Status */
+ (*xColorProc)(ccc->dpy, cmap, &XColors_in_out);
+ } else {
+ return(XcmsFailure);
+ }
+
+ if ((*xColorProc == XStoreColor)) {
+ return(retval);
+ }
+
+ /*
+ * Now, convert the returned XColor (i.e., rgb) to XcmsColor structures
+ */
+ _XColor_to_XcmsRGB(ccc, &XColors_in_out, pColors_in_out, 1);
+
+ /*
+ * Then, convert XcmsColor structures to the original specification
+ * format. Note that we must use NULL instead of passing
+ * pCompressed.
+ */
+
+ if (result_format != XcmsRGBFormat) {
+ if (XcmsConvertColors(ccc, pColors_in_out, 1, result_format,
+ (Bool *) NULL) == XcmsFailure) {
+ return(XcmsFailure);
+ }
+ }
+ return(retval);
+}
+
+/*
+ * NAME
+ * XcmsSetColors -
+ *
+ * SYNOPSIS
+ */
+Status
+_XcmsSetGetColors(
+ Status (*xColorProc)(
+ Display* /* display */,
+ Colormap /* colormap */,
+ XColor* /* screen_in_out */,
+ int /* nColors */),
+ Display *dpy,
+ Colormap cmap,
+ XcmsColor *pColors_in_out,
+ int nColors,
+ XcmsColorFormat result_format,
+ Bool *pCompressed)
+/*
+ * DESCRIPTION
+ * Routine containing code common to:
+ * XcmsQueryColors
+ * XcmsStoreColors
+ *
+ * RETURNS
+ * XcmsFailure if failed;
+ * XcmsSuccess if it succeeded without gamut compression;
+ * XcmsSuccessWithCompression if it succeeded with gamut
+ * compression;
+ */
+{
+ XcmsCCC ccc;
+ XColor *pXColors_in_out;
+ Status retval = XcmsSuccess;
+
+ /*
+ * Argument Checking
+ * 1. Assume xColorProc is correct
+ * 2. Insure ccc not NULL
+ * 3. Assume cmap correct (should be checked by Server)
+ * 4. Insure pColors_in_out valid
+ * 5. Assume method_in is valid (should be checked by Server)
+ * 6. Insure nColors > 0
+ */
+
+ if (dpy == NULL) {
+ return(XcmsFailure);
+ }
+
+ if (nColors == 0) {
+ return(XcmsSuccess);
+ }
+
+ if (result_format == XcmsUndefinedFormat) {
+ return(XcmsFailure);
+ }
+
+ if ( !((*xColorProc == XStoreColors) || (*xColorProc == XQueryColors)) ) {
+ return(XcmsFailure);
+ }
+
+ if ((ccc = XcmsCCCOfColormap(dpy, cmap)) == (XcmsCCC)NULL) {
+ return(XcmsFailure);
+ }
+
+ /*
+ * Allocate space for XColors
+ */
+ if ((pXColors_in_out = (XColor *)Xcalloc(nColors, sizeof(XColor))) ==
+ NULL) {
+ return(XcmsFailure);
+ }
+
+ if (*xColorProc == XQueryColors) {
+ goto Query;
+ }
+
+ /*
+ * Convert to RGB, adjusting for white point differences if necessary.
+ */
+ if ((retval = XcmsConvertColors(ccc, pColors_in_out, nColors, XcmsRGBFormat,
+ pCompressed)) == XcmsFailure) {
+ Xfree((char *)pXColors_in_out);
+ return(XcmsFailure);
+ }
+
+Query:
+ /*
+ * Convert XcmsColor to XColor structures
+ */
+ _XcmsRGB_to_XColor(pColors_in_out, pXColors_in_out, nColors);
+
+ /*
+ * Now make appropriate X Call
+ */
+ if ((*xColorProc == XQueryColors) || (*xColorProc == XStoreColors)){
+ /* Note: XQueryColors and XStoreColors do not return any Status */
+ (*xColorProc)(ccc->dpy, cmap, pXColors_in_out, nColors);
+ } else {
+ Xfree((char *)pXColors_in_out);
+ return(XcmsFailure);
+ }
+
+ if (*xColorProc == XStoreColors) {
+ Xfree((char *)pXColors_in_out);
+ return(retval);
+ }
+
+ /*
+ * Now, convert the returned XColor (i.e., rgb) to XcmsColor structures
+ */
+ _XColor_to_XcmsRGB(ccc, pXColors_in_out, pColors_in_out, nColors);
+ Xfree((char *)pXColors_in_out);
+
+ /*
+ * Then, convert XcmsColor structures to the original specification
+ * format. Note that we must use NULL instead of passing
+ * pCompressed.
+ */
+ if (result_format != XcmsRGBFormat) {
+ if (XcmsConvertColors(ccc, pColors_in_out, nColors, result_format,
+ (Bool *) NULL) == XcmsFailure) {
+ return(XcmsFailure);
+ }
+ }
+
+ return(retval);
+}
+
+/* ### EOF ### */