SVG
パターン

パラメーター

備考

objectBoundingBox単位のパターン例

<svg width="400" height="400">
<defs>
  <pattern id="pattern1" width="0.2" height="0.2" patternUnits="objectBoundingBox">
      <circle cx="10" cy="10" r="10" fill="#0000ff" />
  </pattern>
</defs>

<rect x="10" y="10" width="100" height="100" stroke="black" fill="url(#pattern1)"/>
</svg>

patternUnitsとpatternContentUnitsの組み合わせによるパターンカバレッジ

SVGパターンは、等価な図形を塗りつぶすときにCSSの背景画像とは大きく異なる動作をします。これにより、SVGへの新規参入者にとって大きな驚きがもたらされる可能性があります。以下は、patternUnitsとpatternContentUnitsのすべての可能な組み合わせで定義されたパターンの例です。これらの設定が塗りつぶし動作にどのように影響するかを示しています。

<svg width="800px" height="800px">
<defs>
<pattern id="pattern1" x="0" y="0" width="0.2" height="0.2"  patternUnits="objectBoundingBox" patternContentUnits="userSpaceOnUse">
      <circle cx="10" cy="10" r="10" fill="blue" />
  </pattern>
  
    <pattern id="pattern2" x="10" y="10" width="20" height="20"  patternUnits="userSpaceOnUse" patternContentUnits="objectBoundingBox">
      <circle cx=".1" cy=".1" r="0.1" fill="blue" />
  </pattern>
  
    <pattern id="pattern3" x="10" y="10" width="20" height="20"  patternUnits="userSpaceOnUse" patternContentUnits="userSpaceOnUse">
      <circle cx="10" cy="10" r="10" fill="blue" />
  </pattern>
  
    <pattern id="pattern4" x="0" y="0" width="0.2" height="0.2"  patternUnits="objectBoundingBox" patternContentUnits="objectBoundingBox">
      <circle cx=".1" cy=".1" r="0.1" fill="blue" />
  </pattern>
</defs>

<rect x="10" y="10" width="100" height="100" stroke="black" fill="url(#pattern1)"/>
<rect x="150" y="10" width="200" height="150" stroke="black" fill="url(#pattern1)"/>
  <text x="10" y="200">patternUnits="objectBoundingBox" (20% of shape)</text> 
  <text x="10" y="220">patternContentUnits="userSpaceOnUse" (20px circle) </text>
  <text x="10" y="240" stroke="blue" stroke-width="1">(Units used by default)</text>
  
<rect x="10" y="310" width="100" height="100" stroke="black" fill="url(#pattern3)"/>
<rect x="150" y="310" width="200" height="150" stroke="black" fill="url(#pattern3)"/>
  <text x="10" y="500">patternUnits="userSpaceOnUse" (10px square box)</text> 
  <text x="10" y="520">patternContentUnits="userSpaceOnUse" (20px circle) </text>
  
<rect x="410" y="10" width="100" height="100" stroke="black" fill="url(#pattern2)"/>
<rect x="550" y="10" width="200" height="150" stroke="black" fill="url(#pattern2)"/>
  <text x="410" y="200">patternUnits="userSpaceOnUse" (10px square box)</text> 
  <text x="410" y="220">patternContentUnits="objectBoundingBox"(radius="10%") </text>
  
<rect x="410" y="310" width="100" height="100" stroke="black" fill="url(#pattern4)"/>
<rect x="550" y="310" width="200" height="150" stroke="black" fill="url(#pattern4)"/>
  <text x="410" y="500">patternUnits="objectBoundingBox" (20% of shape)</text> 
  <text x="410" y="520">patternContentUnits="objectBoundingBox"(radius="10%")  </text>
  
</svg>

patternTransformの例

<svg width="800px" height="800px">
<defs>
<pattern id="pattern1" x="0" y="0" width="0.2" height="0.2" >
      <circle cx="10" cy="10" r="10" fill="blue" />
  </pattern>
  
  <pattern id="pattern2" x="0" y="0" width="0.2" height="0.2" patternTransform="scale(1.5)">
      <circle cx="10" cy="10" r="10" fill="blue" />
  </pattern>
  
  <pattern id="pattern3" x="0" y="0" width="0.2" height="0.2"   patternTransform="skewX(45)">
      <circle cx="10" cy="10" r="10" fill="blue" />
  </pattern>
  
  <pattern id="pattern4" x="0" y="0" width="0.2" height="0.2"  patternTransform="matrix(1.5,-.70,.10,1.1,-30,10)">
      <circle cx="10" cy="10" r="10" fill="blue" />
  </pattern>
  

</defs>

<rect x="10" y="10" width="100" height="100" stroke="black" fill="url(#pattern1)"/>
<rect x="150" y="10" width="200" height="150" stroke="black" fill="url(#pattern1)"/>
  <text x="10" y="200">Original</text> 
  
<rect x="410" y="10" width="100" height="100" stroke="black" fill="url(#pattern2)"/>
<rect x="550" y="10" width="200" height="150" stroke="black" fill="url(#pattern2)"/>
  <text x="410" y="200">patternTransform="scale(1.5)"</text> 
  
<rect x="10" y="310" width="100" height="100" stroke="black" fill="url(#pattern3)"/>
<rect x="150" y="310" width="200" height="150" stroke="black" fill="url(#pattern3)"/>
  <text x="10" y="500">patternTransform="skewX(45)"</text> 
  
<rect x="410" y="310" width="100" height="100" stroke="black" fill="url(#pattern4)"/>
<rect x="550" y="310" width="200" height="150" stroke="black" fill="url(#pattern4)"/>
  <text x="410" y="500">patternUnits="matrix(1.5,-.70,.10,1.1,-30,10)"</text> 
  
</svg>