OpenGL

开发平台：
Visual C++

celestia.svg：源码内容
							<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN"
"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<!-- Created with Sodipodi ("http://www.sodipodi.com/") -->
<svg
   xmlns="http://www.w3.org/2000/svg"
   xmlns:xlink="http://www.w3.org/1999/xlink"
   version="1.0"
   x="0"
   y="0"
   width="80"
   height="80"
   id="CelestiaIcon"
   xml:space="preserve"><defs
   id="defs604"><linearGradient
   id="MoonFillRef"><stop
   style="stop-color:#000000;stop-opacity:1;"
   offset="0"
   id="stop638" /><stop
   style="stop-color:#3f3f3f;stop-opacity:1;"
   offset="1"
   id="stop639" /></linearGradient><linearGradient
   id="FlareInnerFillRef"><stop
   style="stop-color:#ffffff;stop-opacity:1;"
   offset="0"
   id="stop633" /><stop
   style="stop-color:#ffffff;stop-opacity:0;"
   offset="1"
   id="stop634" /></linearGradient><linearGradient
   id="FlareBlurFillRef"><stop
   style="stop-color:#ffff70;stop-opacity:1;"
   offset="0"
   id="stop623" /><stop
   style="stop-color:#ffffff;stop-opacity:0;"
   offset="1"
   id="stop624" /></linearGradient><linearGradient
   id="PlanetAtmosphereFillRef"><stop
   style="stop-color:#4c6699;stop-opacity:1;"
   offset="0"
   id="stop613" /><stop
   style="stop-color:#111926;stop-opacity:0;"
   offset="1"
   id="stop614" /></linearGradient><linearGradient
   id="PlanetFillRef"><stop
   style="stop-color:#000000;stop-opacity:1;"
   offset="0"
   id="stop607" /><stop
   style="stop-color:#262619;stop-opacity:1;"
   offset="1"
   id="stop608" /></linearGradient><radialGradient
   cx="0.2890625"
   cy="0.70312512"
   r="0.83180195"
   fx="0.2890625"
   fy="0.70312512"
   id="PlanetFill"
   xlink:href="#PlanetFillRef" /><radialGradient
   cx="0.7435897"
   cy="0.23225814"
   r="0.67502004"
   fx="0.7435897"
   fy="0.23225814"
   id="PlanetAtmosphereFill"
   xlink:href="#PlanetAtmosphereFillRef" /><radialGradient
   cx="0.5"
   cy="0.49999997"
   r="0.49999997"
   fx="0.5"
   fy="0.49999997"
   id="FlareBlurFill"
   xlink:href="#FlareBlurFillRef" /><radialGradient
   cx="0.5"
   cy="0.5"
   r="0.5"
   fx="0.5"
   fy="0.5"
   id="FlareLineFill"
   xlink:href="#FlareBlurFillRef" /><radialGradient
   cx="0.5"
   cy="0.5"
   r="0.49999997"
   fx="0.5"
   fy="0.5"
   id="FlareInnerFill"
   xlink:href="#FlareInnerFillRef" /><radialGradient
   cx="0.66923088"
   cy="0.73437506"
   r="0.94696009"
   fx="0.66923088"
   fy="0.73437506"
   id="MoonFill"
   xlink:href="#MoonFillRef" /></defs><ellipse
   cx="30"
   cy="40"
   rx="8.75"
   ry="8.75000191"
   transform="matrix(3.499999,0,0,3.499999,-73.12498,-91.87498)"
   style="font-size:12;fill:url(#PlanetFill);fill-rule:evenodd;stroke:url(#PlanetAtmosphereFill);stroke-width:0.7143;"
   id="Planet" /><ellipse
   cx="53.75"
   cy="25"
   rx="13.75"
   ry="13.7499962"
   transform="matrix(1.545454,0,0,1.545454,-29.31816,-13.63634)"
   style="font-size:12;fill:url(#FlareBlurFill);fill-rule:evenodd;stroke-width:1;stroke-opacity:0.4667;"
   id="FlareBlur" /><ellipse
   cx="53.75"
   cy="25"
   rx="10"
   ry="10"
   style="font-size:12;fill:none;fill-rule:evenodd;stroke:#ffd600;stroke-width:1;stroke-opacity:0.33;"
   id="FlareRing" /><path
   d="M 58.75 50 L 50 0 "
   style="font-size:12;fill:none;fill-rule:evenodd;stroke:url(#FlareLineFill);stroke-width:0.925996;"
   id="FlareLine1" /><path
   d="M 52.13045 50.28048 L 56.61955 -0.28048 "
   style="font-size:12;fill:none;fill-rule:evenodd;stroke:url(#FlareLineFill);stroke-width:0.925996;"
   id="FlareLine2" /><ellipse
   cx="53.75"
   cy="25"
   rx="6.25"
   ry="6.24999619"
   style="font-size:12;fill:url(#FlareInnerFill);fill-rule:evenodd;stroke-width:1;"
   id="FlareInner" /><ellipse
   cx="65"
   cy="62.5"
   rx="7.5"
   ry="7.50000191"
   transform="translate(-3.75,0)"
   style="font-size:12;fill:url(#MoonFill);fill-rule:evenodd;stroke-width:1;"
   id="Moon" /></svg>

						