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<HTML><HEAD><TITLE>Xlib Programming Manual: XcmsCreateCCC</TITLE></HEAD><BODY><H1 ALIGN=center>XcmsCreateCCC</H1><H2>Syntax</H2><!.IN "XcmsCreateCCC" "" "@DEF@"><!.IN "Color Conversion Context" "creation"><!.IN "CCC" "creation"><CODE><PRE> <A HREF="macros.html">XcmsCCC</A> XcmsCreateCCC(<B>display</B>, <B>screen_number</B>, <B>visual</B>, <B>client_white_point</B>, <B>compression_proc</B>, <B>compression_client_data</B>, <B>white_adjust_proc</B>, <B>white_adjust_client_data</B>) <A HREF="../../display/opening.html#Display">Display</A> *<B>display</B>; int <B>screen_number</B>; <A HREF="../../window/visual-types.html#Visual">Visual</A> *<B>visual</B>; <A HREF="../structures.html#XcmsColor">XcmsColor</A> *<B>client_white_point</B>; XcmsCompressionProc <B>compression_proc</B>; XPointer <B>compression_client_data</B>; XcmsWhiteAdjustProc <B>white_adjust_proc</B>; XPointer <B>white_adjust_client_data</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>screen_number</B><TD> Specifies the appropriate screen number on the host server.<TR><TD> <B>visual</B><TD> Specifies the visual type.<TR><TD> <B>client_white_point</B><TD> Specifies the Client White Point.If NULL is specified, the Client White Point is to be assumed to be the same as theScreen White Point.Note that the pixel member is ignored.<TR><TD> <B>compression_proc</B><TD> Specifies the gamut compression procedure that is to be applied when a color lies outside the screen's color gamut.If NULL is specified and a function using this CCC must converta color specification to a device-dependent format and encounters a colorthat lies outside the screen's color gamut, that function will return<B><A HREF="../conversion-contexts-and-gamut-mapping.html#cmsStatus">XcmsFailure</A></B>.<TR><TD> <B>compression_client_data</B><TD> Specifies client data for use by the gamut compression procedure or NULL.<TR><TD> <B>white_adjust_proc</B><TD> Specifies the white adjustment procedure that is to be appliedwhen the Client White Point differs from the Screen White Point.NULL indicates that no white point adjustment is desired.<TR><TD> <B>white_adjust_client_data</B><TD> Specifies client data for use with the white point adjustment procedure or NULL.</TABLE><H2>Description</H2>The<B>XcmsCreateCCC()</B>function creates a <A HREF="../conversion-contexts-and-gamut-mapping.html">CCC</A> for the specified display, screen, and visual.<H2>See also</H2><B><A HREF="macros.html#DisplayOfCCC">DisplayOfCCC()</A></B>,<B><A HREF="XcmsCCCOfColormap.html">XcmsCCCOfColormap()</A></B>,<B><A HREF="../XcmsConvertColors.html">XcmsConvertColors()</A></B>,<B><A HREF="XcmsDefaultCCC.html">XcmsDefaultCCC()</A></B>,<B><A HREF="XcmsFreeCCC.html">XcmsFreeCCC()</A></B>,<B><A HREF="XcmsSetWhitePoint.html">XcmsSetWhitePoint()</A></B>,"<A HREF="creating-and-freeing.html">Creating and Freeing a Color Conversion Context</A>".<HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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