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<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
class="reftest-wait"
onload="setTimeAndSnapshot(3, true)">
<title>Test animation of the "numOctaves" <integer> attribute on the "feTurbulence" element</title>
<script xlink:href="smil-util.js" type="text/javascript"/>
<!-- This is an unfinished and unused testcase that would not pass given the
current implementation strategy. This testcase assumes that the
strategy should be to give each value an equal slice of the simple
duration. In other words if animating from 1 to 4 in 4 seconds, then
each of the values 1, 2, 3 and 4 would get 1 second each.
See the comment in anim-feTurbulence-numOctaves-01.svg for more on
implementation strategy.
-->
<!-- Animation of integers is actually more complicated than lengths. It's
necessary to "jump" from value to value since you're dealing with
discrete integers rather than continuous real numbers.
The spec doesn't say exactly how to behave, but we assume that the each
of the values in a from-to animation gets an equal slice of the simple
duration. We also assume that at times that are exactly midway between
two integers, we should jump to the "next" integer. In other words, when
animating from 0 to 1 in 1 second, at 0.5 seconds the value changes to
1; but when animating from 1 to 0 in 1 second, at 0.5 seconds the value
changes to 0. This is different from floor(), round() or ceil()
behavior, and we test that by animating both "up" and "down" below.
-->
<!-- Some tests animating *up* to higher values. -->
<!-- Each of the four values should get an equal slice of the duration -
that is 3.25s - so at 3s the animated value should still be 1. -->
<filter id="filter_1" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="1">
<animate attributeName="numOctaves"
calcMode="linear"
begin="0s" dur="13s"
to="4"
fill="freeze"/>
</feTurbulence>
</filter>
<rect width="20" height="20" filter="url(#filter_1)"/>
<!-- Each of the four values should get an equal slice of the duration -
that is 3s - so at exactly 3s the animated value should become 2. -->
<filter id="filter_2" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="1">
<animate attributeName="numOctaves"
calcMode="linear"
begin="0s" dur="12s"
to="4"
fill="freeze"/>
</feTurbulence>
</filter>
<rect x="20" width="20" height="20" filter="url(#filter_2)"/>
<!-- Each of the four values should get an equal slice of the duration -
that is 1.25s - so at 3s the animated value should still be 3. -->
<filter id="filter_3" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="1">
<animate attributeName="numOctaves"
calcMode="linear"
begin="0s" dur="5s"
to="4"
fill="freeze"/>
</feTurbulence>
</filter>
<rect x="40" width="20" height="20" filter="url(#filter_3)"/>
<!-- Each of the four values should get an equal slice of the duration -
that is 1s - so at exactly 3s the animated value should become 4. -->
<filter id="filter_4" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="1">
<animate attributeName="numOctaves"
calcMode="linear"
begin="0s" dur="4s"
to="4"
fill="freeze"/>
</feTurbulence>
</filter>
<rect x="60" width="20" height="20" filter="url(#filter_4)"/>
<!-- Some tests animating *down* to lower values. -->
<!-- Each of the four values should get an equal slice of the duration -
that is 3.25s - so at 3s the animated value should still be 4. -->
<filter id="filter_5" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="4">
<animate attributeName="numOctaves"
calcMode="linear"
begin="0s" dur="13s"
to="1"
fill="freeze"/>
</feTurbulence>
</filter>
<rect y="20" width="20" height="20" filter="url(#filter_5)"/>
<!-- Each of the four values should get an equal slice of the duration -
that is 3s - so at exactly 3s the animated value should become 3. -->
<filter id="filter_6" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="4">
<animate attributeName="numOctaves"
calcMode="linear"
begin="0s" dur="12s"
to="1"
fill="freeze"/>
</feTurbulence>
</filter>
<rect x="20" y="20" width="20" height="20" filter="url(#filter_6)"/>
<!-- Each of the four values should get an equal slice of the duration -
that is 1.25s - so at 3s the animated value should still be 2. -->
<filter id="filter_7" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="4">
<animate attributeName="numOctaves"
calcMode="linear"
begin="0s" dur="5s"
to="1"
fill="freeze"/>
</feTurbulence>
</filter>
<rect x="40" y="20" width="20" height="20" filter="url(#filter_7)"/>
<!-- Each of the four values should get an equal slice of the duration -
that is 1s - so at exactly 3s the animated value should become 1. -->
<filter id="filter_8" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="4">
<animate attributeName="numOctaves"
calcMode="linear"
begin="0s" dur="4s"
to="1"
fill="freeze"/>
</feTurbulence>
</filter>
<rect x="60" y="20" width="20" height="20" filter="url(#filter_8)"/>
<!-- Some 'by' animation tests -->
<!-- Each of the four values should get an equal slice of the duration -
that is 1.25s - so at 3s the animated value should still be 3. -->
<filter id="filter_9" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="1">
<animate attributeName="numOctaves"
calcMode="linear"
begin="0s" dur="5s"
by="3"
fill="freeze"/>
</feTurbulence>
</filter>
<rect y="40" width="20" height="20" filter="url(#filter_9)"/>
<!-- Each of the four values should get an equal slice of the duration -
that is 1s - so at exactly 3s the animated value should become 4. -->
<filter id="filter_10" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="1">
<animate attributeName="numOctaves"
calcMode="linear"
begin="0s" dur="4s"
by="3"
fill="freeze"/>
</feTurbulence>
</filter>
<rect x="20" y="40" width="20" height="20" filter="url(#filter_10)"/>
<!-- calcMode="paced" tests -->
<!-- Each of the four values should get an equal slice of the duration -
that is 1.25s - so at 3s the animated value should still be 2. -->
<filter id="filter_11" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="4">
<animate attributeName="numOctaves"
calcMode="paced"
begin="0s" dur="5s"
values="4; 3; 1"
fill="freeze"/>
</feTurbulence>
</filter>
<rect y="60" width="20" height="20" filter="url(#filter_11)"/>
<!-- Each of the four values should get an equal slice of the duration -
that is 1s - so at exactly 3s the animated value should become 1. -->
<filter id="filter_12" x="0%" y="0%" width="100%" height="100%">
<feTurbulence type="turbulence" baseFrequency="0.01" numOctaves="4">
<animate attributeName="numOctaves"
calcMode="paced"
begin="0s" dur="4s"
values="4; 3; 1"
fill="freeze"/>
</feTurbulence>
</filter>
<rect x="20" y="60" width="20" height="20" filter="url(#filter_12)"/>
</svg>
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