1 /*
2 * Copyright 2008 The Android Open Source Project
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "include/core/SkPathMeasure.h"
9
10 #include "include/core/SkContourMeasure.h"
11 #include "include/core/SkPath.h"
12 #include "include/core/SkRefCnt.h"
13 #include "include/core/SkScalar.h"
14 #include "include/private/base/SkTDArray.h"
15 #include "src/core/SkPathMeasurePriv.h"
16
17 #include <cstddef>
18
19 class SkMatrix;
20
SkPathMeasure()21 SkPathMeasure::SkPathMeasure() {}
22
SkPathMeasure(const SkPath & path,bool forceClosed,SkScalar resScale)23 SkPathMeasure::SkPathMeasure(const SkPath& path, bool forceClosed, SkScalar resScale)
24 : fIter(path, forceClosed, resScale)
25 {
26 fContour = fIter.next();
27 }
28
~SkPathMeasure()29 SkPathMeasure::~SkPathMeasure() {}
30
setPath(const SkPath * path,bool forceClosed)31 void SkPathMeasure::setPath(const SkPath* path, bool forceClosed) {
32 fIter.reset(path ? *path : SkPath(), forceClosed);
33 fContour = fIter.next();
34 }
35
getLength()36 SkScalar SkPathMeasure::getLength() {
37 return fContour ? fContour->length() : 0;
38 }
39
getPosTan(SkScalar distance,SkPoint * position,SkVector * tangent)40 bool SkPathMeasure::getPosTan(SkScalar distance, SkPoint* position, SkVector* tangent) {
41 return fContour && fContour->getPosTan(distance, position, tangent);
42 }
43
getMatrix(SkScalar distance,SkMatrix * matrix,MatrixFlags flags)44 bool SkPathMeasure::getMatrix(SkScalar distance, SkMatrix* matrix, MatrixFlags flags) {
45 return fContour && fContour->getMatrix(distance, matrix, (SkContourMeasure::MatrixFlags)flags);
46 }
47
getSegment(SkScalar startD,SkScalar stopD,SkPath * dst,bool startWithMoveTo)48 bool SkPathMeasure::getSegment(SkScalar startD, SkScalar stopD, SkPath* dst, bool startWithMoveTo) {
49 return fContour && fContour->getSegment(startD, stopD, dst, startWithMoveTo);
50 }
51
isClosed()52 bool SkPathMeasure::isClosed() {
53 return fContour && fContour->isClosed();
54 }
55
nextContour()56 bool SkPathMeasure::nextContour() {
57 fContour = fIter.next();
58 return !!fContour;
59 }
60
61 #ifdef SK_DEBUG
dump()62 void SkPathMeasure::dump() {}
63 #endif
64
65 /////
66
CountSegments(const SkPathMeasure & meas)67 size_t SkPathMeasurePriv::CountSegments(const SkPathMeasure& meas) {
68 if (auto cntr = meas.currentMeasure()) {
69 return cntr->fSegments.size();
70 }
71 return 0;
72 }
73