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<HTML><HEAD><TITLE>Pixmap</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="OvalNodeItem"HREF="swarm.gui.ovalnodeitem.protocol.html"><LINKREL="NEXT"TITLE="ProbeCanvas"HREF="swarm.gui.probecanvas.protocol.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.ovalnodeitem.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.probecanvas.protocol.html">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><H1><ANAME="SWARM.GUI.PIXMAP.PROTOCOL">Pixmap</A></H1><DIVCLASS="REFNAMEDIV"><ANAME="AEN19961"></A><H2>Name</H2>Pixmap -- A class for drawing color bitmaps on a Raster.</DIV><DIVCLASS="REFSECT1"><ANAME="AEN19964"></A><H2>Description</H2><P> A class for drawing color bitmaps on a Raster. The bitmaps are stored in the Portable Network Graphics format.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN19967"></A><H2>Protocols adopted by Pixmap</H2><P> <AHREF="swarm.gui.drawer.protocol.html">Drawer</A> <AHREF="swarm.defobj.create.protocol.html">Create</A> <AHREF="swarm.defobj.creatable.protocol.html">CREATABLE</A></P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN19973"></A><H2>Methods</H2><DIVCLASS="REFSECT2"><ANAME="AEN19975"></A><H3>Phase: Creating</H3><P></P><UL><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.PIXMAP.METHOD.PC.M754"></A><P></P>- <BCLASS="FUNCPROTOTYPE">setFile:</B> (const char *)<VARCLASS="PDPARAM">filename</VAR> <BR> Create a pixmap from a PNG file.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.PIXMAP.METHOD.PC.M735"></A><P></P>- <BCLASS="FUNCPROTOTYPE">setDirectory:</B> (const char *)<VARCLASS="PDPARAM">path</VAR> <BR> Specify the directory to find the PNG file.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.PIXMAP.METHOD.PC.M894"></A><P></P>- <BCLASS="FUNCPROTOTYPE">setWidget:</B> (id <Widget>)<VARCLASS="PDPARAM">widget</VAR> <BR> Create a pixmap from a widget, or from the root window if widget is nil.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.PIXMAP.METHOD.PC.M726"></A><P></P>- <BCLASS="FUNCPROTOTYPE">setDecorationsFlag:</B> (BOOL)<VARCLASS="PDPARAM">decorationsFlag</VAR> <BR> Specify whether or not window manager decorations for a widget should be included.<P></P></DIV></LI></UL></DIV><DIVCLASS="REFSECT2"><ANAME="AEN20014"></A><H3>Phase: Using</H3><P></P><UL><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.PIXMAP.METHOD.PU.M842"></A><P></P>- <BCLASS="FUNCPROTOTYPE">setRaster:</B> (id <Raster>)<VARCLASS="PDPARAM">raster</VAR> <BR> Set the raster that the pixmap will be shown on. It's used to augment raster the color palette as necessary.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.PIXMAP.METHOD.PU.M528"></A><P></P>- (unsigned)<BCLASS="FUNCPROTOTYPE">getWidth</B><BR> Get the width of the bitmap in pixels.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.PIXMAP.METHOD.PU.M391"></A><P></P>- (unsigned)<BCLASS="FUNCPROTOTYPE">getHeight</B><BR> Get the height of the bitmap in pixels.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.PIXMAP.METHOD.PU.M263"></A><P></P>- <BCLASS="FUNCPROTOTYPE">drawX:</B> (int)<VARCLASS="PDPARAM">x</VAR> <BCLASS="FUNCPROTOTYPE">Y:</B> (int)<VARCLASS="PDPARAM">y</VAR> <BR> Draw the pixmap on the current raster at the given position.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.PIXMAP.METHOD.PU.M653"></A><P></P>- <BCLASS="FUNCPROTOTYPE">save:</B> (const char *)<VARCLASS="PDPARAM">filename</VAR> <BR> Save the pixmap to a file.<P></P></DIV></LI><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.PIXMAP.METHOD.PU.M264"></A><P></P>- (void)<BCLASS="FUNCPROTOTYPE">drop</B><BR><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.ovalnodeitem.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.probecanvas.protocol.html">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">OvalNodeItem</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="swarm.gui.sgml.reference.html">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">ProbeCanvas</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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