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源代码:
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<!DOCTYPE html> <html> <body> <svg version="1.1" xmlns="http://www.w3.org/2000/svg"> <defs> <linearGradient gradientUnits="userSpaceOnUse" id="MyGrad" x1="50" x2="600" y1="0" y2="0"> <stop offset="0" stop-color="#ff0000" /> <stop offset=".33" stop-color="#00ff00" /> <stop offset=".67" stop-color="#0000ff" /> <stop offset="1" stop-color="#000000" /> </linearGradient> <filter id="Identity"> <feComponentTransfer> <feFuncR type="identity" /> <feFuncG type="identity" /> <feFuncB type="identity" /> <feFuncA type="identity" /> </feComponentTransfer> </filter> <filter id="Table"> <feComponentTransfer> <feFuncR tableValues="0 0 1 1" type="table" /> <feFuncG tableValues="1 1 0 0" type="table" /> <feFuncB tableValues="0 1 1 0" type="table" /> </feComponentTransfer> </filter> <filter id="Linear"> <feComponentTransfer> <feFuncR intercept=".25" slope=".5" type="linear" /> <feFuncG intercept="0" slope=".5" type="linear" /> <feFuncB intercept=".5" slope=".5" type="linear" /> </feComponentTransfer> </filter> <filter id="Gamma"> <feComponentTransfer> <feFuncR amplitude="2" exponent="5" offset="0" type="gamma" /> <feFuncG amplitude="2" exponent="3" offset="0" type="gamma" /> <feFuncB amplitude="2" exponent="1" offset="0" type="gamma" /> </feComponentTransfer> </filter> </defs> <g fill="url(#MyGrad)" font-size="50" font-weight="bold"> <text filter="url(#Identity)" x="50" y="60">Identity</text> <text filter="url(#Table)" x="50" y="120">TableLookup</text> <text filter="url(#Linear)" x="50" y="180">LinearFunc</text> <text filter="url(#Gamma)" x="50" y="240">GammaFunc</text> </g> </svg> </body> </html>
运行结果