anim-gradient-attr-presence-01.svg

<!--

     Any copyright is dedicated to the Public Domain.

     http://creativecommons.org/publicdomain/zero/1.0/

-->

<svg xmlns="http://www.w3.org/2000/svg"

  xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 200 900">

  <!-- Bug 608161 - SVG SMIL: Don't use HasAttr to test for presence of animated

       attributes.

       Test animating gradient attributes doesn't rely on the presence of

       attributes in the DOM, but also correctly detects attributes set by

       animation.

       The format of each test is that we have a base gradient named

       (attName)Ref which does NOT specify the attribute under test, but instead

       sets the attribute to a non-default value using animation.

       Then we have a referencing gradient named (attName) that refers to the

       base gradient and also does NOT specify the attribute under test.

       When we go to look up the attribute under test we begin at (attName),

       notice the attribute isn't specified (either in the DOM or by animation),

       then go to (attName)Ref and detect that the attribute is specified there

       by animation and use that value.

       To the right of each test we also include a rect that directly references

       (attName)Ref. The two rectangles should be identical but prior to fixing

       this bug they were not.

-->

  <!-- 1. gradientUnits: defaults to objectBoundingBox -->

  <defs>

    <linearGradient xlink:href="#gradientUnitsRef" id="gradientUnits"/>

    <linearGradient id="gradientUnitsRef" x1="0" y1="0" x2="100" y2="0">

      <set attributeName="gradientUnits" to="userSpaceOnUse"/>

      <stop offset="0%" stop-color="#F60" />

      <stop offset="100%" stop-color="#FF6" />

    </linearGradient>

  </defs>

  <rect width="100px" height="100px" fill="url(#gradientUnits)"/>

  <g transform="translate(100px)">

    <rect width="100px" height="100px" fill="url(#gradientUnitsRef)"/>

  </g>

  <!-- 2. gradientTransform: defaults to identity -->

  <defs>

    <linearGradient xlink:href="#gradientTransformRef" id="gradientTransform"/>

    <linearGradient id="gradientTransformRef">

      <animateTransform attributeName="gradientTransform" type="rotate"

        values="90 0.5 0.5" fill="freeze"/>

      <stop offset="0%" stop-color="#F60" />

      <stop offset="100%" stop-color="#FF6" />

    </linearGradient>

  </defs>

  <g transform="translate(0px 100px)">

    <rect width="100px" height="100px" fill="url(#gradientTransform)"/>

    <g transform="translate(100px)">

      <rect width="100px" height="100px" fill="url(#gradientTransformRef)"/>

    </g>

  </g>

  <!-- 3. x1: defaults to 0%

          x2: defaults to 100% -->

  <defs>

    <linearGradient xlink:href="#x1x2Ref" id="x1x2"/>

    <linearGradient id="x1x2Ref">

      <set attributeName="x1" to="40%"/>

      <set attributeName="x2" to="60%"/>

      <stop offset="0%" stop-color="#F60" />

      <stop offset="100%" stop-color="#FF6" />

    </linearGradient>

  </defs>

  <g transform="translate(0px 200px)">

    <rect width="100px" height="100px" fill="url(#x1x2)"/>

    <g transform="translate(100px)">

      <rect width="100px" height="100px" fill="url(#x1x2Ref)"/>

    </g>

  </g>

  <!-- 4. y1: defaults to 0%

          y2: defaults to 0% -->

  <defs>

    <linearGradient xlink:href="#y1y2Ref" id="y1y2"/>

    <linearGradient id="y1y2Ref" x2="0%">

      <set attributeName="y1" to="40%"/>

      <set attributeName="y2" to="60%"/>

      <stop offset="0%" stop-color="#F60" />

      <stop offset="100%" stop-color="#FF6" />

    </linearGradient>

  </defs>

  <g transform="translate(0px 300px)">

    <rect width="100px" height="100px" fill="url(#y1y2)"/>

    <g transform="translate(100px)">

      <rect width="100px" height="100px" fill="url(#y1y2Ref)"/>

    </g>

  </g>

  <!-- 5. cx: defaults to 50%

          cy: defaults to 50% -->

  <defs>

    <radialGradient xlink:href="#cxcyRef" id="cxcy"/>

    <radialGradient id="cxcyRef">

      <set attributeName="cx" to="0%"/>

      <set attributeName="cy" to="100%"/>

      <stop offset="0%" stop-color="#F60" />

      <stop offset="100%" stop-color="#FF6" />

    </radialGradient>

  </defs>

  <g transform="translate(0px 400px)">

    <rect width="100px" height="100px" fill="url(#cxcy)"/>

    <g transform="translate(100px)">

      <rect width="100px" height="100px" fill="url(#cxcyRef)"/>

    </g>

  </g>

  <!-- 6. r: defaults to 50% -->

  <defs>

    <radialGradient xlink:href="#rRef" id="r"/>

    <radialGradient id="rRef">

      <set attributeName="r" to="100%"/>

      <stop offset="0%" stop-color="#F60" />

      <stop offset="100%" stop-color="#FF6" />

    </radialGradient>

  </defs>

  <g transform="translate(0px 500px)">

    <rect width="100px" height="100px" fill="url(#r)"/>

    <g transform="translate(100px)">

      <rect width="100px" height="100px" fill="url(#rRef)"/>

    </g>

  </g>

  <!-- 7. fx: defaults to cx

          fy: defaults to cy -->

  <defs>

    <radialGradient xlink:href="#fxfyRef" id="fxfy"/>

    <radialGradient id="fxfyRef">

      <set attributeName="fx" to="20%"/>

      <set attributeName="fy" to="80%"/>

      <stop offset="0%" stop-color="#F60" />

      <stop offset="100%" stop-color="#FF6" />

    </radialGradient>

  </defs>

  <g transform="translate(0px 600px)">

    <rect width="100px" height="100px" fill="url(#fxfy)"/>

    <g transform="translate(100px)">

      <rect width="100px" height="100px" fill="url(#fxfyRef)"/>

    </g>

  </g>

  <!-- 8. spreadMethod: defaults to pad -->

  <defs>

    <linearGradient xlink:href="#spreadMethodRef" id="spreadMethod"/>

    <linearGradient id="spreadMethodRef" x1="50%">

      <set attributeName="spreadMethod" to="reflect"/>

      <stop offset="0%" stop-color="#F60" />

      <stop offset="100%" stop-color="#FF6" />

    </linearGradient>

  </defs>

  <g transform="translate(0px 700px)">

    <rect width="100px" height="100px" fill="url(#spreadMethod)"/>

    <g transform="translate(100px)">

      <rect width="100px" height="100px" fill="url(#spreadMethodRef)"/>

    </g>

  </g>

  <!-- 9. xlink:href

    This attribute is not affected by bug 608161 but we test it here for

    completeness.

-->

  <defs>

    <linearGradient id="xlink">

      <set attributeName="xlink:href" to="#xlinkRef"/>

    </linearGradient>

    <linearGradient id="xlinkRef">

      <stop offset="0%" stop-color="#F60" />

      <stop offset="100%" stop-color="#FF6" />

    </linearGradient>

  </defs>

  <g transform="translate(0px 800px)">

    <rect width="100px" height="100px" fill="url(#xlink)"/>

    <g transform="translate(100px)">

      <rect width="100px" height="100px" fill="url(#xlinkRef)"/>

    </g>

  </g>

  <!-- We were getting random but very minor anti-aliasing differences on OSX

       and OSX64 along the edges of these gradients so we draw a thick stroke

       over all the edges. -->

  <path stroke="black" stroke-width="3px" stroke-linecap="square" fill="none"

    d="M0 0H200V900H0V0

       M0 100H200

       M0 200H200

       M0 300H200

       M0 400H200

       M0 500H200

       M0 600H200

       M0 700H200

       M0 800H200

       M0 900H200

       M100 0V900"/>

  <!-- If adding more tests here, be sure to update the viewBox on the root svg

       element -->

</svg>