<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ps_open_image</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_open_image_file" HREF="function.ps-open-image-file.html"><LINK REL="NEXT" TITLE="ps_open_memory_image" HREF="function.ps-open-memory-image.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-open-image-file.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-open-memory-image.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ps-open-image" ></A >ps_open_image</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN191946" ></A ><P > (PECL)</P >ps_open_image -- Reads an image for later placement</DIV ><DIV CLASS="refsect1" ><A NAME="AEN191949" ></A ><H2 >说明</H2 >int <B CLASS="methodname" >ps_open_image</B > ( resource psdoc, string type, string source, string data, int lenght, int width, int height, int components, int bpc, string params )<BR ></BR ><P > Reads an image which is already available in memory. The parameter <CODE CLASS="parameter" >source</CODE > is currently not evaluated and assumed to be <TT CLASS="literal" >memory</TT >. The image data is a sequence of pixels starting in th upper left corner and ending in the lower right corner. Each pixel consists of <CODE CLASS="parameter" >components</CODE > color components, and each component has <CODE CLASS="parameter" >bpc</CODE > bits. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN191989" ></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 the image. Possible values are <TT CLASS="literal" >png</TT >, <TT CLASS="literal" >jpeg</TT >, or <TT CLASS="literal" >eps</TT >. </P ></DD ><DT ><CODE CLASS="parameter" >source</CODE ></DT ><DD ><P > Not used. </P ></DD ><DT ><CODE CLASS="parameter" >data</CODE ></DT ><DD ><P > The image data. </P ></DD ><DT ><CODE CLASS="parameter" >length</CODE ></DT ><DD ><P > The length of the image data. </P ></DD ><DT ><CODE CLASS="parameter" >width</CODE ></DT ><DD ><P > The width of the image. </P ></DD ><DT ><CODE CLASS="parameter" >height</CODE ></DT ><DD ><P > The height of the image. </P ></DD ><DT ><CODE CLASS="parameter" >components</CODE ></DT ><DD ><P > The number of components for each pixel. This can be 1 (gray scale images), 3 (rgb images), or 4 (cmyk, rgba images). </P ></DD ><DT ><CODE CLASS="parameter" >bpc</CODE ></DT ><DD ><P > Number of bits per component (quite often 8). </P ></DD ><DT ><CODE CLASS="parameter" >params</CODE ></DT ><DD ><P > </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN192047" ></A ><H2 >返回值</H2 ><P > Returns identifier of image or zero in case of an error. The identifier is a positive number greater than 0. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN192050" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.ps-open-image-file.html" ><B CLASS="function" >ps_open_image_file()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.ps-place-image.html" ><B CLASS="function" >ps_place_image()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.ps-close-image.html" ><B CLASS="function" >ps_close_image()</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-open-image-file.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-open-memory-image.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ps_open_image_file</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_open_memory_image</TD ></TR ></TABLE ></DIV ></BODY ></HTML >