http://clipmarks.com/clipper/Michalowski/http://rss.clipmarks.com/clipper/Michalowski/15Clip, tag and save information that's important to you. Bookmarks save entire pages...Clipmarks save the specific content that matters to you!en-ushttp://clipmarks.com/clipmark/C728A13A-7811-45AF-8918-A1D4CC181C03/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/Michalowski/">Michalowski</a><br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://www.contextfreeart.org/mediawiki/index.php?title=Background_directive&oldid=1427" title="http://www.contextfreeart.org/mediawiki/index.php?title=Background_directive&oldid=1427">www.contextfreeart.org</a></span></div><div style="padding: 10px;"><div style="text-align:left;"><DIV id="bodyContent"> <H3 id="siteSub">From Context Free Art</H3> <DIV id="contentSub"></DIV> <DIV id="jump-to-nav">Jump to: <A href="#column-one">navigation</A>, <A href="#searchInput">search</A></DIV> <DIV class="editsection">[<A title="Edit section: Background Directives" href="http://www.contextfreeart.org/mediawiki/index.php?title=Background_directive&action=edit&section=1">edit</A>]</DIV><A name="Background_Directives"></A><H2>Background Directives</H2> <P>The shapes rendered by Context Free/CFDG are drawn on a canvas that starts out with a background color. The default color is opaque white, but this can be changed using a background directive. </P><P>A background directive is a line in the CFDG file that starts with the word 'background' that is followed by set of <A title="Color adjustments" class="new" href="http://www.contextfreeart.org/mediawiki/index.php?title=Color_adjustments&action=edit">color adjustments</A> in curly braces. The adjustments are relative to the default background color of opaque white (hue = 0, saturation = 0, bright = 1, alpha = 1). If there are more than one background directive then only the first is used. </P><P>Here are some useful background directives: </P> <PRE class="cfdg"><SPAN>background</SPAN> <SPAN>{</SPAN> <SPAN>b</SPAN> <SPAN>-1</SPAN> <SPAN>}</SPAN> <SPAN>// opaque black</SPAN>   <SPAN>background</SPAN> <SPAN>{</SPAN> <SPAN>a</SPAN> <SPAN>-1</SPAN> <SPAN>}</SPAN> <SPAN>// transparent</SPAN></PRE> <DIV class="printfooter"> Retrieved from "<A href="http://www.contextfreeart.org/mediawiki/index.php/Background_directive">http://www.contextfreeart.org/mediawiki/index.php/Background_directive</A>"</DIV> <DIV class="visualClear"></DIV> </DIV></div></div></div></div><br><div style="margin-bottom: 40px;">Tags: <a href="http://clipmarks.com/tags/art/" rel="tag">art</a>, <a href="http://clipmarks.com/tags/cfdg/" rel="tag">cfdg</a>, <a href="http://clipmarks.com/tags/render/" rel="tag">render</a>, <a href="http://clipmarks.com/tags/context+free/" rel="tag">context free</a>, <a href="http://clipmarks.com/tags/help/" rel="tag">help</a></div>http://www.contextfreeart.org/mediawiki/index.php?title=Background_directive&oldid=1427Mon, 12 May 2008 09:25:47 GMT