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<HTML><HEAD><TITLE>ZoomRaster</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.53"><LINKREL="HOME"TITLE="Documentation Set for Swarm 2.1.1"HREF="set.html"><LINKREL="UP"TITLE="Gui Library"HREF="swarm.gui.sgml.reference.html"><LINKREL="PREVIOUS"TITLE="WindowGeometryRecord"HREF="swarm.gui.windowgeometryrecord.protocol.html"><LINKREL="NEXT"TITLE="General"HREF="swarm.gui.generic.module.html"></HEAD><BODYCLASS="REFENTRY"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">Documentation Set for Swarm 2.1.1</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="swarm.gui.windowgeometryrecord.protocol.html">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Reference VIII. Gui Library</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="swarm.gui.generic.module.html">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><H1><ANAME="SWARM.GUI.ZOOMRASTER.PROTOCOL">ZoomRaster</A></H1><DIVCLASS="REFNAMEDIV"><ANAME="AEN21045"></A><H2>Name</H2>ZoomRaster -- A zoomable Raster.</DIV><DIVCLASS="REFSECT1"><ANAME="AEN21048"></A><H2>Description</H2><P> ZoomRaster is a subclass of Raster that implements a zoomable image. It handles translation between logical coordinates and screen coordinates.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN21051"></A><H2>Protocols adopted by ZoomRaster</H2><P> <AHREF="swarm.gui.raster.protocol.html">Raster</A> <AHREF="swarm.defobj.creatable.protocol.html">CREATABLE</A></P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN21056"></A><H2>Methods</H2><DIVCLASS="REFSECT2"><ANAME="AEN21058"></A><H3>Phase: Using</H3><P></P><UL><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.ZOOMRASTER.METHOD.PU.M545"></A><P></P>- <BCLASS="FUNCPROTOTYPE">increaseZoom</B><BR> Make the raster bigger.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.ZOOMRASTER.METHOD.PU.M244"></A><P></P>- <BCLASS="FUNCPROTOTYPE">decreaseZoom</B><BR> Make the raster smaller.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.ZOOMRASTER.METHOD.PU.M536"></A><P></P>- (unsigned)<BCLASS="FUNCPROTOTYPE">getZoomFactor</B><BR> Get the current zoom factor.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.ZOOMRASTER.METHOD.PU.M909"></A><P></P>- <BCLASS="FUNCPROTOTYPE">setZoomFactor:</B> (unsigned)<VARCLASS="PDPARAM">z</VAR> <BR> Set the zoom factor.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.ZOOMRASTER.METHOD.PU.M539"></A><P></P>- <BCLASS="FUNCPROTOTYPE">handleConfigureWidth:</B> (unsigned)<VARCLASS="PDPARAM">newWidth</VAR> <BCLASS="FUNCPROTOTYPE">Height:</B> (unsigned)<VARCLASS="PDPARAM">newHeight</VAR> <BR> Reconfigures the ZoomRaster when the window is resized.<P></P></DIV></LI></UL></DIV></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="swarm.gui.windowgeometryrecord.protocol.html">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="set.html">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="swarm.gui.generic.module.html">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">WindowGeometryRecord</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="swarm.gui.sgml.reference.html">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">General</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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