<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >FcMatrixRotate</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" HREF="index.html"><LINK REL="UP" TITLE="FcMatrix" HREF="x93.html#AEN1459"><LINK REL="PREVIOUS" TITLE="FcMatrixMultiply" HREF="r1534.html"><LINK REL="NEXT" TITLE="FcMatrixScale" HREF="r1593.html"></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" ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="r1534.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="r1593.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="FCMATRIXROTATE" ></A >FcMatrixRotate</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN1567" ></A ><H2 >Name</H2 >FcMatrixRotate -- Rotate a matrix</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN1570" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><P ></P ><A NAME="AEN1571" ></A ><PRE CLASS="FUNCSYNOPSISINFO" >#include <fontconfig.h> </PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >void FcMatrixRotate</CODE >(FcMatrix *matrix, doublecos, doublesin);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN1582" ></A ><H2 >Description</H2 ><P ><CODE CLASS="FUNCTION" >FcMatrixRotate</CODE > rotates <CODE CLASS="PARAMETER" >matrix</CODE > by the angle who's sine is <CODE CLASS="PARAMETER" >sin</CODE > and cosine is <CODE CLASS="PARAMETER" >cos</CODE >. This is done by multiplying by the matrix: <PRE CLASS="PROGRAMLISTING" > cos -sin sin cos</PRE > </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN1590" ></A ><H2 >Version</H2 ><P >Fontconfig version 2.3.2 </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="r1534.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="r1593.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >FcMatrixMultiply</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="x93.html#AEN1459" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >FcMatrixScale</TD ></TR ></TABLE ></DIV ></BODY ></HTML >