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check for bad params sent to discrete patheffect

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BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1853953002

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Review URL: https://codereview.chromium.org/1853953002
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reed 2016-04-02 18:40:40 -07:00 committed by Commit bot
parent 6db0a7bdce
commit 18c00976bd
1 changed files with 6 additions and 0 deletions
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6
src/effects/SkDiscretePathEffect.cpp
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@ -14,6 +14,12 @@
sk_sp<SkPathEffect> SkDiscretePathEffect::Make(SkScalar segLength, SkScalar deviation,
uint32_t seedAssist) {
if (!SkScalarIsFinite(segLength) || !SkScalarIsFinite(deviation)) {
return nullptr;
}
if (segLength <= SK_ScalarNearlyZero) {
return nullptr;
}
return sk_sp<SkPathEffect>(new SkDiscretePathEffect(segLength, deviation, seedAssist));
}