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add countPoints() and getPoint()

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git-svn-id: http://skia.googlecode.com/svn/trunk@494 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@android.com 2010-02-09 16:38:45 +00:00
parent 218521e157
commit d3aa4ff7a5
2 changed files with 19 additions and 0 deletions
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12
include/core/SkPath.h
View File

@ -123,6 +123,18 @@ public:
*/
bool isRect(SkRect* rect) const;
/** Return the number of points in the path
*/
int countPoints() const {
return this->getPoints(NULL, 0);
}
/** Return the point at the specified index. If the index is out of range
(i.e. is not 0 <= index < countPoints()) then the returned coordinates
will be (0,0)
*/
SkPoint getPoint(int index) const;
/** Returns the number of points in the path. Up to max points are copied.
@param points If not null, receives up to max points

7
src/core/SkPath.cpp
View File

@ -184,6 +184,13 @@ int SkPath::getPoints(SkPoint copy[], int max) const {
return count;
}
SkPoint SkPath::getPoint(int index) const {
if ((unsigned)index < (unsigned)fPts.count()) {
return fPts[index];
}
return SkPoint::Make(0, 0);
}
void SkPath::getLastPt(SkPoint* lastPt) const {
SkDEBUGCODE(this->validate();)