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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 11:49:49 PDT 2002 --><TITLE>: Class QTEffect</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/QTEffect.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/image/JImagePainter.html"><B>PREV CLASS</B></A> <A HREF="../../../quicktime/app/image/QTEffectPresenter.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="QTEffect.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <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.image</FONT><BR>Class QTEffect</H2><PRE>java.lang.Object | +--<B>quicktime.app.image.QTEffect</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../quicktime/app/display/Drawable.html">Drawable</A>, <A HREF="../../../quicktime/app/spaces/Listener.html">Listener</A>, <A HREF="../../../quicktime/app/display/QTDrawable.html">QTDrawable</A>, <A HREF="../../../quicktime/app/image/Redrawable.html">Redrawable</A>, <A HREF="../../../quicktime/app/image/Transformable.html">Transformable</A></DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../quicktime/app/image/CompositableEffect.html">CompositableEffect</A>, <A HREF="../../../quicktime/app/image/QTFilter.html">QTFilter</A></DD></DL><HR><DL><DT>public class <B>QTEffect</B><DT>extends java.lang.Object<DT>implements <A HREF="../../../quicktime/app/display/QTDrawable.html">QTDrawable</A>, <A HREF="../../../quicktime/app/image/Redrawable.html">Redrawable</A></DL><P>QTEffect forms the base class for visual effects that can be applied to images. Depending on the effect itself, visual effects can be applied over a length of time, or once only. They can be applied to no source images, a single image or multiple images. <P> The QTEffect class itself forms a base class that given a rectangular region will apply some visual effect (like fire/ripples). to its destination graphics. There are two subclasses - QTFilter which is an effect that is applied to a single source image and QTTransition which is an effect that is applied to two images, transitioning from the source image to the destination image.<P><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="fields_inherited_from_class_quicktime.app.image.Redrawable"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from interface quicktime.app.image.<A HREF="../../../quicktime/app/image/Redrawable.html">Redrawable</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../quicktime/app/image/Redrawable.html#kMultiFrame">kMultiFrame</A>, <A HREF="../../../quicktime/app/image/Redrawable.html#kSingleFrame">kSingleFrame</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><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#QTEffect()">QTEffect</A></B>()</CODE><BR> Creates a QTEffect with kMultiFrame set with a default initial size of 0, 0.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#QTEffect(java.awt.Dimension)">QTEffect</A></B>(java.awt.Dimension d)</CODE><BR> <B>Deprecated.</B> <I>since QTJava 4.0</I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#QTEffect(int)">QTEffect</A></B>(int multiFrameFlag)</CODE><BR> Creates a QTEffect with kMultiFrame set with a default initial size of 0, 0.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#QTEffect(int, java.awt.Dimension)">QTEffect</A></B>(int multiFrameFlag, java.awt.Dimension d)</CODE><BR> <B>Deprecated.</B> <I>since QTJava 4.0</I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#QTEffect(int, quicktime.qd.QDDimension)">QTEffect</A></B>(int multiFrameFlag, <A HREF="../../../quicktime/qd/QDDimension.html">QDDimension</A> d)</CODE><BR> Creates a QTEffect.</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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#addedTo(java.lang.Object)">addedTo</A></B>(java.lang.Object interest)</CODE><BR> This method is called by the specified object when the instance of the class that implements this interface is added to the object that is the source of the interest.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#checkForEffect(int)">checkForEffect</A></B>(int effectType)</CODE><BR> This will make sure the component (effect) is there and can set its parameter list for display.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/qd/Region.html">Region</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getClip()">getClip</A></B>()</CODE><BR> Returns the current clipping region of the effect or null if the effect is not clipped</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getCurrentFrame()">getCurrentFrame</A></B>()</CODE><BR> This returns the current frame that the effect is rendering.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/std/image/ImageDescription.html">ImageDescription</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getDescription()">getDescription</A></B>()</CODE><BR> This method should return an ImageDescription that describes the image data that the class contains.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/qd/QDRect.html">QDRect</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getDisplayBounds()">getDisplayBounds</A></B>()</CODE><BR> QTCanvas calls this method when it needs to ask the client for its boundary.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/std/image/DSequence.html">DSequence</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getDSequence()">getDSequence</A></B>()</CODE><BR> Returns the DSequence that is used by the QTEffect.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/std/movies/AtomContainer.html">AtomContainer</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getEffect()">getEffect</A></B>()</CODE><BR> This will return a copy of the AtomContainer that contains the current effect settings.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getFrames()">getFrames</A></B>()</CODE><BR> Returns the current maximum number of frames that an effect will run for</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/std/image/GraphicsMode.html">GraphicsMode</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getGraphicsMode()">getGraphicsMode</A></B>()</CODE><BR> This gets the current GraphicsMode for the QTEffect.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/qd/QDGraphics.html">QDGraphics</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getGWorld()">getGWorld</A></B>()</CODE><BR> QTCanvas calls this method to get the destination QDGraphics of its client.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/util/EncodedImage.html">EncodedImage</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getImage()">getImage</A></B>()</CODE><BR> This method returns the actual image data - in this case the effect's atom container.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.awt.Dimension</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getInitialSize()">getInitialSize</A></B>()</CODE><BR> <B>Deprecated.</B> <I>since QTJava 4.0</I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/std/image/Matrix.html">Matrix</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getMatrix()">getMatrix</A></B>()</CODE><BR> This will return the client's current display transformations <br></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/qd/QDDimension.html">QDDimension</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#getOriginalSize()">getOriginalSize</A></B>()</CODE><BR> This method returns the original size before the transformations specified in the returned matrix are applied.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#isRedrawing()">isRedrawing</A></B>()</CODE><BR> Returns the state of the redraw flag</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#isSingleFrame()">isSingleFrame</A></B>()</CODE><BR> Returns true if the Redrawable only has a single frame to render and thus will never need to re-acquire or redraw its image.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#redraw(quicktime.qd.Region)">redraw</A></B>(<A HREF="../../../quicktime/qd/Region.html">Region</A> invalidRgn)</CODE><BR> QTCanvas calls this method when the client should redraw itself.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#removedFrom(java.lang.Object)">removedFrom</A></B>(java.lang.Object interest)</CODE><BR> This method is called by the specified object when the instance of the class that implements this interface is removed from the object that is the source of the interest.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#setClip(quicktime.qd.Region)">setClip</A></B>(<A HREF="../../../quicktime/qd/Region.html">Region</A> r)</CODE><BR> This will set the clipping of the effect - it defines the region of the source image that the effect will be applied to.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/app/image/QTEffect.html#setDisplayBounds(quicktime.qd.QDRect)">setDisplayBounds</A></B>(<A HREF="../../../quicktime/qd/QDRect.html">QDRect</A> bounds)</CODE><BR> QTCanvas calls this method when it needs to tell the client to adjust its location, width and/or height.</TD></TR>⌨️ 快捷键说明
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