<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>operator - Methods to apply mathematic or boolean operators to pixels.</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:bfriesen@freddy.simplesystems.org" /> </head> <body style="background-color: white"> <P><a name="__index__"></a></P> <!-- INDEX BEGIN --> <ul> <li><a href="#name">NAME</a></li> <li><a href="#synopsis">SYNOPSIS</a></li> <li><a href="#function_descriptions">FUNCTION DESCRIPTIONS</a></li> <ul> <li><a href="#quantumoperatorimage">QuantumOperatorImage</a></li> <li><a href="#quantumoperatorregionimage">QuantumOperatorRegionImage</a></li> </ul> </ul> <!-- INDEX END --> <hr /> <P> </P> <h1><a name="name">NAME</a></h1> <P>operator - Methods to apply mathematic or boolean operators to pixels.</P> <P> </P> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <P>MagickPassFail <strong>QuantumOperatorImage</strong>( Image *image, ChannelType channel, QuantumOperator operator, double rvalue );</P> <P>MagickPassFail <strong>QuantumOperatorRegionImage</strong>( Image *image, long x, long y, unsigned long columns, unsigned long rows, ChannelType channel, QuantumOperator quantum_operator, double rvalue );</P> <P> </P> <hr /> <h1><a name="function_descriptions">FUNCTION DESCRIPTIONS</a></h1> <P> </P> <h2><a name="quantumoperatorimage">QuantumOperatorImage</a></h2> <blockquote>QuantumOperatorImage() performs the requested integer arithmetic operation on the selected channels of the image. </blockquote><P>The format of the QuantumOperatorImage method is:</P> <blockquote>MagickPassFail QuantumOperatorImage ( <A HREF="types.html#Image">Image</A> *image, <A HREF="types.html#ChannelType">ChannelType</A> channel, QuantumOperator operator, double rvalue ); </blockquote><P>A description of each parameter follows:</P> <dl> <dt><strong><a name="item_o_image_3a">image:</a></strong> <DD> <P>The image.</P> </dd> </li> <dt><strong><a name="item_o_channel_3a">channel:</a></strong> <DD> <P>Channel to operate on.</P> </dd> </li> <dt><strong><a name="item_o_quantum_operator_3a">quantum_operator:</a></strong> <DD> <P>arithmetic or bitwise operator to use (AddQuantumOp, AndQuantumOp, DivideQuantumOp, LShiftQuantumOp, MultiplyQuantumOp, OrQuantumOp, RShiftQuantumOp, SubtractQuantumOp, XorQuantumOp).</P> </dd> </li> <dt><strong><a name="item_o_rvalue_3a">rvalue:</a></strong> <DD> <P>Operator argument.</P> </dd> </li> <dt><strong><a name="item_o_exception_3a">exception:</a></strong> <DD> <P>Updated with error description.</P> </dd> </li> </dl> <P> </P> <h2><a name="quantumoperatorregionimage">QuantumOperatorRegionImage</a></h2> <blockquote>QuantumOperatorRegionImage() performs the requested integer arithmetic operation on the selected channels of the image over the specified region. </blockquote><P>The format of the QuantumOperatorRegionImage method is:</P> <blockquote>MagickPassFail QuantumOperatorRegionImage ( <A HREF="types.html#Image">Image</A> *image, long x, long y, unsigned long columns, unsigned long rows, <A HREF="types.html#ChannelType">ChannelType</A> channel, QuantumOperator quantum_operator, double rvalue ); </blockquote><P>A description of each parameter follows:</P> <dl> <dt><strong>image:</strong> <DD> <P>The image.</P> </dd> </li> <dt><strong>channel:</strong> <DD> <P>Channel to operate on.</P> </dd> </li> <dt><strong><a name="item_o_x_3a">x:</a></strong> <DD> <P>Ordinate of left row of region.</P> </dd> </li> <dt><strong><a name="item_o_y_3a">y:</a></strong> <DD> <P>Orginate of top column of region.</P> </dd> </li> <dt><strong><a name="item_o_columns_3a">columns:</a></strong> <DD> <P>Width of region.</P> </dd> </li> <dt><strong><a name="item_o_rows_3a">rows:</a></strong> <DD> <P>Height of region.</P> </dd> </li> <dt><strong>quantum_operator:</strong> <DD> <P>arithmetic or bitwise operator to use (AddQuantumOp, AndQuantumOp, DivideQuantumOp, LShiftQuantumOp, MultiplyQuantumOp, OrQuantumOp, RShiftQuantumOp, SubtractQuantumOp, XorQuantumOp).</P> </dd> </li> <dt><strong>rvalue:</strong> <DD> <P>Operator argument.</P> </dd> </li> <dt><strong>exception:</strong> <DD> <P>Updated with error description.</P> </dd> </dl> </body> </html>
