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| author |  caryclark <caryclark@google.com> | 2016-02-18 04:11:48 -0800 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2016-02-18 04:11:49 -0800 |
| commit | 8e7b19d0f04f286ec283747ec128e9696c842858 (patch) | |
| tree | 61cc65ef71e223b93f09775d6e603161ed5f2360 /src/core/SkPathRef.cpp | |
| parent | c5eddd7d8d67a6e931973a729c5868c155cb751f (diff) | |
add interp path
Add path methods to determine if a pair of paths
can be interpolated, and to interpolate them.
R=reed@google.com, robertphillips@google.com
BUG=skia:4549
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1703943003
Review URL: https://codereview.chromium.org/1703943003
Diffstat (limited to 'src/core/SkPathRef.cpp')
| -rw-r--r-- | src/core/SkPathRef.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/core/SkPathRef.cpp b/src/core/SkPathRef.cpp index 49a04999ac..b18055136f 100644 --- a/src/core/SkPathRef.cpp +++ b/src/core/SkPathRef.cpp @@ -299,6 +299,19 @@ void SkPathRef::copy(const SkPathRef& ref, SkDEBUGCODE(this->validate();) } + +void SkPathRef::interpolate(const SkPathRef& ending, SkScalar weight, SkPathRef* out) const { + const SkScalar* inValues = &ending.getPoints()->fX; + SkScalar* outValues = &out->getPoints()->fX; + int count = out->countPoints() * 2; + for (int index = 0; index < count; ++index) { + outValues[index] = outValues[index] * weight + inValues[index] * (1 - weight); + } + out->fBoundsIsDirty = true; + out->fIsOval = false; + out->fIsRRect = false; +} + SkPoint* SkPathRef::growForRepeatedVerb(int /*SkPath::Verb*/ verb, int numVbs, SkScalar** weights) { |