The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/core/SkPathEffect.cpp
gfx/skia/trunk/src/core/SkPathEffect.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:9259e2970b24 |
|---|---|
| 1 | |
| 2 /* | |
| 3 * Copyright 2006 The Android Open Source Project | |
| 4 * | |
| 5 * Use of this source code is governed by a BSD-style license that can be | |
| 6 * found in the LICENSE file. | |
| 7 */ | |
| 8 | |
| 9 #include "SkPathEffect.h" | |
| 10 #include "SkPath.h" | |
| 11 #include "SkReadBuffer.h" | |
| 12 #include "SkWriteBuffer.h" | |
| 13 | |
| 14 /////////////////////////////////////////////////////////////////////////////// | |
| 15 | |
| 16 void SkPathEffect::computeFastBounds(SkRect* dst, const SkRect& src) const { | |
| 17 *dst = src; | |
| 18 } | |
| 19 | |
| 20 bool SkPathEffect::asPoints(PointData* results, const SkPath& src, | |
| 21 const SkStrokeRec&, const SkMatrix&, const SkRect*) const { | |
| 22 return false; | |
| 23 } | |
| 24 | |
| 25 /////////////////////////////////////////////////////////////////////////////// | |
| 26 | |
| 27 SkPairPathEffect::SkPairPathEffect(SkPathEffect* pe0, SkPathEffect* pe1) | |
| 28 : fPE0(pe0), fPE1(pe1) { | |
| 29 SkASSERT(pe0); | |
| 30 SkASSERT(pe1); | |
| 31 fPE0->ref(); | |
| 32 fPE1->ref(); | |
| 33 } | |
| 34 | |
| 35 SkPairPathEffect::~SkPairPathEffect() { | |
| 36 SkSafeUnref(fPE0); | |
| 37 SkSafeUnref(fPE1); | |
| 38 } | |
| 39 | |
| 40 /* | |
| 41 Format: [oe0-factory][pe1-factory][pe0-size][pe0-data][pe1-data] | |
| 42 */ | |
| 43 void SkPairPathEffect::flatten(SkWriteBuffer& buffer) const { | |
| 44 this->INHERITED::flatten(buffer); | |
| 45 buffer.writeFlattenable(fPE0); | |
| 46 buffer.writeFlattenable(fPE1); | |
| 47 } | |
| 48 | |
| 49 SkPairPathEffect::SkPairPathEffect(SkReadBuffer& buffer) { | |
| 50 fPE0 = buffer.readPathEffect(); | |
| 51 fPE1 = buffer.readPathEffect(); | |
| 52 // either of these may fail, so we have to check for nulls later on | |
| 53 } | |
| 54 | |
| 55 /////////////////////////////////////////////////////////////////////////////// | |
| 56 | |
| 57 bool SkComposePathEffect::filterPath(SkPath* dst, const SkPath& src, | |
| 58 SkStrokeRec* rec, const SkRect* cullRect) const { | |
| 59 // we may have failed to unflatten these, so we have to check | |
| 60 if (!fPE0 || !fPE1) { | |
| 61 return false; | |
| 62 } | |
| 63 | |
| 64 SkPath tmp; | |
| 65 const SkPath* ptr = &src; | |
| 66 | |
| 67 if (fPE1->filterPath(&tmp, src, rec, cullRect)) { | |
| 68 ptr = &tmp; | |
| 69 } | |
| 70 return fPE0->filterPath(dst, *ptr, rec, cullRect); | |
| 71 } | |
| 72 | |
| 73 /////////////////////////////////////////////////////////////////////////////// | |
| 74 | |
| 75 bool SkSumPathEffect::filterPath(SkPath* dst, const SkPath& src, | |
| 76 SkStrokeRec* rec, const SkRect* cullRect) const { | |
| 77 // use bit-or so that we always call both, even if the first one succeeds | |
| 78 return fPE0->filterPath(dst, src, rec, cullRect) | | |
| 79 fPE1->filterPath(dst, src, rec, cullRect); | |
| 80 } |
