<%@ page contentType="image/svg-xml; charset=UTF-8" %>
<%
//
// Extract graphic parameter from request parameter
//
// Title
String title = request.getParameter("title");
title = title!=null?title:"Hello日本語";
// Main color
String color = request.getParameter("color");
color = color!=null?color:"#666699";
// Width and height
int width = 500;
int height = 120;
// Font size
int fontSize = 75;
// Baseline
int baseline = 80;
%>
<svg width="<%=width%>" height="<%=height%>">
<defs>
<!-- Define background gradient using widht, height and color parameters -->
<linearGradient id="backgroundGradient" x1="0" y1="0" x2="<%=width%>" y2="<%=height%>" >
<stop offset="0%" style="stop-color:white" />
<stop offset="30%" style="stop-color:<%=color%>" />
<stop offset="100%" style="stop-color:black" />
</linearGradient>
<!-- ================================== -->
<!-- Back-lit glow -->
<!-- ================================== -->
<filter id="medGlow" x="-10%" y="-10%" width="120%" height="120%">
<feGaussianBlur in="SourceGraphic" stdDeviation="6.5" result="glowSrc"/>
<feComponentTransfer in="glowSrc" result="glowingGraphic">
<feFuncA type="linear" slope="3"/>
</feComponentTransfer>
</filter>
<!-- ================================== -->
<!-- Text 3-D effect -->
<!-- ================================== -->
<filter id="emboss" x="-5%" y="-5%" width="110%" height="110%">
<feGaussianBlur in="SourceAlpha" stdDeviation="3" result="blur"/>
<feSpecularLighting in="blur" surfaceScale="5" specularConstant="1"
specularExponent="10" style="lighting-color:white"
lightColor="white" result="specOut">
<fePointLight x="-5000" y="-10000" z="20000"/>
</feSpecularLighting>
<feComposite in="specOut" in2="SourceAlpha" operator="in" result="specOut"/>
<feComposite in="SourceGraphic" in2="specOut" operator="arithmetic"
k1="0" k2="1" k3="1" k4="0" result="litPaint"/>
</filter>
</defs>
<rect width="<%=width%>" height="<%=height%>" style="fill:url(#backgroundGradient)" />
<g style="font-family:Bitstream Cyberbit; font-weight:bold; font-size:<%=fontSize%>;
text-anchor:middle;">
<text x="<%=(width/2)%>" y="<%=baseline%>" style="text-anchor:middle;
fill:white; filter:url(#medGlow);">
<%=title%>
</text>
<text x="<%=(width/2)%>" y="<%=baseline%>" style="fill:black; filter:url(#emboss)" >
<%=title%>
</text>
</g>
</svg>