<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><HTML> <HEAD><meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <TITLE>stream - Image Pixel FIFO</TITLE> <link rel="StyleSheet" href="../magick.css" type="text/css"> </HEAD> <body bgcolor="#FFFFFF" text="#000000" link="#0085c0" alink="#0085c0" vlink="#800080"> <A NAME="__index__"></A> <!-- INDEX BEGIN --> <UL> <LI><A HREF="#name"> <FONT SIZE=-1>NAME</FONT></A> <LI><A HREF="#synopsis"> <FONT SIZE=-1>SYNOPSIS</FONT></A> <LI><A HREF="#function descriptions"> <FONT SIZE=-1>FUNCTION</FONT> <FONT SIZE=-1>DESCRIPTIONS</FONT></A> <UL> <LI><A HREF="#readstream">ReadStream</A> <LI><A HREF="#writestream">WriteStream</A> </UL> </UL> <!-- INDEX END --> <HR> <P> <H1><A NAME="name"> <FONT SIZE=-1>NAME</FONT></A></H1> <P>stream - Image Pixel <FONT SIZE=-1>FIFO</FONT></P> <P> <HR> <H1><A NAME="synopsis"> <FONT SIZE=-1>SYNOPSIS</FONT></A></H1> <P>Image * <STRONG>ReadStream</STRONG>( const ImageInfo *image_info, void(* Stream )( const Image *, const void *, const size_t ), ExceptionInfo *exception );</P> <P>unsigned int <STRONG>WriteStream</STRONG>( const ImageInfo *image_info, Image *, int(* Stream )( const Image *, const void *, const size_t ));</P> <P> <HR> <H1><A NAME="function descriptions"> <FONT SIZE=-1>FUNCTION</FONT> <FONT SIZE=-1>DESCRIPTIONS</FONT></A></H1> <P> <H2><A NAME="readstream">ReadStream</A></H2> <blockquote>ReadStream() makes the image pixels available to a user supplied callback method immediately upon reading a scanline with the ReadImage ( ) method. </blockquote><blockquote>The format of the ReadStream() method is: </blockquote><blockquote><A HREF="types/Image.html">Image</A> *ReadStream ( const <A HREF="types/ImageInfo.html">ImageInfo</A> *image_info, void ( *Stream ) ( const <A HREF="types/Image.html">Image</A> *, const void *, const size_t ), <A HREF="types/ExceptionInfo.html">ExceptionInfo</A> *exception ); </blockquote><P> <FONT SIZE=-1>A</FONT> description of each parameter follows:</P> <DL><DT><DD><DL> <dd><p></p><dt><STRONG><A NAME="item_o_image_info%3A">image_info:</A></STRONG><BR> <DD> The image info. <P></P> <dd><p></p><dt><STRONG><A NAME="item_o_stream%3A">stream:</A></STRONG><BR> <DD> a callback method. <P></P> <dd><p></p><dt><STRONG><A NAME="item_o_exception%3A">exception:</A></STRONG><BR> <DD> Return any errors or warnings in this structure. <P></P></DL></DL> <P> <H2><A NAME="writestream">WriteStream</A></H2> <blockquote>WriteStream() makes the image pixels available to a user supplied callback method immediately upon writing pixel data with the WriteImage ( ) method. </blockquote><blockquote>The format of the WriteStream() method is: </blockquote><blockquote>unsigned int WriteStream ( const <A HREF="types/ImageInfo.html">ImageInfo</A> *image_info, <A HREF="types/Image.html">Image</A> *, int ( *Stream ) ( const <A HREF="types/Image.html">Image</A> *, const void *, const size_t ) ); </blockquote><P> <FONT SIZE=-1>A</FONT> description of each parameter follows:</P> <DL><DT><DD><DL> <dd><p></p><dt><STRONG>image_info:</STRONG><BR> <DD> The image info. <P></P> <dd><p></p><dt><STRONG>stream:</STRONG><BR> <DD> <FONT SIZE=-1>A</FONT> callback method. </DL></DL> </BODY> </HTML>
