<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ps_shading</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="PostScript document creation" HREF="ref.ps.html"><LINK REL="PREVIOUS" TITLE="ps_shading_pattern" HREF="function.ps-shading-pattern.html"><LINK REL="NEXT" TITLE="ps_shfill" HREF="function.ps-shfill.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.ps-shading-pattern.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.ps-shfill.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ps-shading" ></A >ps_shading</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN193460" ></A ><P > (PECL)</P >ps_shading -- Creates a shading for later use</DIV ><DIV CLASS="refsect1" ><A NAME="AEN193463" ></A ><H2 >说明</H2 >int <B CLASS="methodname" >ps_shading</B > ( resource psdoc, string type, float x0, float y0, float x1, float y1, float c1, float c2, float c3, float c4, string optlist )<BR ></BR ><P > Creates a shading, which can be used by <A HREF="function.ps-shfill.html" ><B CLASS="function" >ps_shfill()</B ></A > or <A HREF="function.ps-shading-pattern.html" ><B CLASS="function" >ps_shading_pattern()</B ></A >. </P ><P > The color of the shading can be in any color space except for <TT CLASS="literal" >pattern</TT >. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN193506" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >psdoc</CODE ></DT ><DD ><P > Resource identifier of the postscript file as returned by <A HREF="function.ps-new.html" ><B CLASS="function" >ps_new()</B ></A >. </P ></DD ><DT ><CODE CLASS="parameter" >type</CODE ></DT ><DD ><P > The type of shading can be either <TT CLASS="literal" >radial</TT > or <TT CLASS="literal" >axial</TT >. Each shading starts with the current fill color and ends with the given color values passed in the parameters <CODE CLASS="parameter" >c1</CODE > to <CODE CLASS="parameter" >c4</CODE > (see <A HREF="function.ps-setcolor.html" ><B CLASS="function" >ps_setcolor()</B ></A > for their meaning). </P ></DD ><DT ><CODE CLASS="parameter" >x0, x1, y0, y1</CODE ></DT ><DD ><P > The coordinates <CODE CLASS="parameter" >x0</CODE >, <CODE CLASS="parameter" >y0</CODE >, <CODE CLASS="parameter" >x1</CODE >, <CODE CLASS="parameter" >y1</CODE > are the start and end point of the shading. If the type of shading is <TT CLASS="literal" >radial</TT > the two points are the middle points of a starting and ending circle. </P ></DD ><DT ><CODE CLASS="parameter" >c1, c2, c3, c4</CODE ></DT ><DD ><P > See <A HREF="function.ps-setcolor.html" ><B CLASS="function" >ps_setcolor()</B ></A > for their meaning. </P ></DD ><DT ><CODE CLASS="parameter" >optlist</CODE ></DT ><DD ><P > If the shading is of type <TT CLASS="literal" >radial</TT > the <CODE CLASS="parameter" >optlist</CODE > must also contain the parameters <TT CLASS="literal" >r0</TT > and <TT CLASS="literal" >r1</TT > with the radius of the start and end circle. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN193551" ></A ><H2 >返回值</H2 ><P > Returns the identifier of the pattern or <TT CLASS="constant" ><B >FALSE</B ></TT > in case of an error. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN193555" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.ps-shading-pattern.html" ><B CLASS="function" >ps_shading_pattern()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.ps-shfill.html" ><B CLASS="function" >ps_shfill()</B ></A ></TD ></TR ></TBODY ></TABLE ><P ></P > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.ps-shading-pattern.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.ps-shfill.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ps_shading_pattern</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.ps.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ps_shfill</TD ></TR ></TABLE ></DIV ></BODY ></HTML >