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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Mon Jul 15 11:49:45 PDT 2002 --><TITLE>: Class MatrixAction</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/MatrixAction.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../quicktime/app/actions/Invalidator.html"><B>PREV CLASS</B></A> <A HREF="../../../quicktime/app/actions/MouseController.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="MatrixAction.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">quicktime.app.actions</FONT><BR>Class MatrixAction</H2><PRE>java.lang.Object | +--<A HREF="../../../quicktime/app/actions/PeriodicAction.html">quicktime.app.actions.PeriodicAction</A> | +--<B>quicktime.app.actions.MatrixAction</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../quicktime/app/actions/Targetable.html">Targetable</A>, <A HREF="../../../quicktime/app/time/Ticklish.html">Ticklish</A></DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../quicktime/app/actions/BounceAction.html">BounceAction</A></DD></DL><HR><DL><DT>public class <B>MatrixAction</B><DT>extends <A HREF="../../../quicktime/app/actions/PeriodicAction.html">PeriodicAction</A><DT>implements <A HREF="../../../quicktime/app/actions/Targetable.html">Targetable</A></DL><P>This class provides the means for a basic Matrix actions. Each time the tickle method is called, it will retrieve the matrix from the target and invoke the transformMatrix method, which the subclass must implement. The subclass defines the transformMatrix method to apply a transformation to the matrix of the target of the action. <P> The MatrixAction will also notify the subclass of any changes of rate direction and if the subclass is interested in constraint testing will notify the subclass which side(s) a targets matrix has collided with after the transformation has been applied. These two states are notified with the rateDirectionChanged and boundsReached methods respectively. <P> Though the Space is generally specified it is only used in the bounds testing.<P><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#doConstraintBoundsTesting">doConstraintBoundsTesting</A></B></CODE><BR> Set this boolean to true or false to perform bounds testing of the target within the bounds of its enclosing Space.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#kBottomSide">kBottomSide</A></B></CODE><BR> These constants are used in the boundsReached call to indicate to the subclass which edge the target has collided with.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#kLeftSide">kLeftSide</A></B></CODE><BR> These constants are used in the boundsReached call to indicate to the subclass which edge the target has collided with.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#kRightSide">kRightSide</A></B></CODE><BR> These constants are used in the boundsReached call to indicate to the subclass which edge the target has collided with.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#kTopSide">kTopSide</A></B></CODE><BR> These constants are used in the boundsReached call to indicate to the subclass which edge the target has collided with.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../quicktime/app/image/Transformable.html">Transformable</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#target">target</A></B></CODE><BR> The target of the matrix transformations</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../quicktime/app/actions/TransformMatrix.html">TransformMatrix</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#transMatrix">transMatrix</A></B></CODE><BR> This is the class that will do the transformations on the target's matrix</TD></TR></TABLE> <A NAME="fields_inherited_from_class_quicktime.app.actions.PeriodicAction"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class quicktime.app.actions.<A HREF="../../../quicktime/app/actions/PeriodicAction.html">PeriodicAction</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../quicktime/app/actions/PeriodicAction.html#actor">actor</A>, <A HREF="../../../quicktime/app/actions/PeriodicAction.html#reschedule">reschedule</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_quicktime.app.time.Ticklish"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from interface quicktime.app.time.<A HREF="../../../quicktime/app/time/Ticklish.html">Ticklish</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../quicktime/app/time/Ticklish.html#kScale">kScale</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> </CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#MatrixAction(int, int, quicktime.app.display.QTDisplaySpace, quicktime.app.image.Transformable, quicktime.app.actions.TransformMatrix)">MatrixAction</A></B>(int scale, int period, <A HREF="../../../quicktime/app/display/QTDisplaySpace.html">QTDisplaySpace</A> space, <A HREF="../../../quicktime/app/image/Transformable.html">Transformable</A> t, <A HREF="../../../quicktime/app/actions/TransformMatrix.html">TransformMatrix</A> transformMatrixAction)</CODE><BR> Create a MatrixAction that will act upon a Matrix.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#MatrixAction(int, int, quicktime.app.display.QTDrawable, quicktime.app.image.Transformable)">MatrixAction</A></B>(int scale, int period, <A HREF="../../../quicktime/app/display/QTDrawable.html">QTDrawable</A> space, <A HREF="../../../quicktime/app/image/Transformable.html">Transformable</A> t)</CODE><BR> <B>Deprecated.</B> <I>since QTJava 4</I></TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#boundsReached(int)">boundsReached</A></B>(int whichSide)</CODE><BR> <B>Deprecated.</B> <I>since QTJava 4</I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#constraintReached()">constraintReached</A></B>()</CODE><BR> Subclasses should return true if after an action is triggered (the doAction method is called) the action has reached one of its specified constraint conditions and the actionable object should be triggered.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/actions/MatrixAction.html#doAction(float, int)">doAction</A></B>(float er, int t)</CODE>⌨️ 快捷键说明
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