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| 1 /* libs/graphics/sgl/SkPathEffect.cpp | |
| 2 ** | |
| 3 ** Copyright 2006, The Android Open Source Project | |
| 4 ** | |
| 5 ** Licensed under the Apache License, Version 2.0 (the "License"); | |
| 6 ** you may not use this file except in compliance with the License. | |
| 7 ** You may obtain a copy of the License at | |
| 8 ** | |
| 9 ** http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 ** | |
| 11 ** Unless required by applicable law or agreed to in writing, software | |
| 12 ** distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 ** See the License for the specific language governing permissions and | |
| 15 ** limitations under the License. | |
| 16 */ | |
| 17 | |
| 18 #include "SkPathEffect.h" | |
| 19 #include "SkPath.h" | |
| 20 #include "SkBuffer.h" | |
| 21 | |
| 22 ////////////////////////////////////////////////////////////////////////////////
// | |
| 23 | |
| 24 SkPairPathEffect::SkPairPathEffect(SkPathEffect* pe0, SkPathEffect* pe1) | |
| 25 : fPE0(pe0), fPE1(pe1) | |
| 26 { | |
| 27 SkASSERT(pe0); | |
| 28 SkASSERT(pe1); | |
| 29 fPE0->ref(); | |
| 30 fPE1->ref(); | |
| 31 } | |
| 32 | |
| 33 SkPairPathEffect::~SkPairPathEffect() | |
| 34 { | |
| 35 fPE0->unref(); | |
| 36 fPE1->unref(); | |
| 37 } | |
| 38 | |
| 39 /* | |
| 40 Format: [oe0-factory][pe1-factory][pe0-size][pe0-data][pe1-data] | |
| 41 */ | |
| 42 void SkPairPathEffect::flatten(SkFlattenableWriteBuffer& buffer) | |
| 43 { | |
| 44 buffer.writeFlattenable(fPE0); | |
| 45 buffer.writeFlattenable(fPE1); | |
| 46 } | |
| 47 | |
| 48 SkPairPathEffect::SkPairPathEffect(SkFlattenableReadBuffer& buffer) | |
| 49 { | |
| 50 fPE0 = (SkPathEffect*)buffer.readFlattenable(); | |
| 51 fPE1 = (SkPathEffect*)buffer.readFlattenable(); | |
| 52 } | |
| 53 | |
| 54 ////////////////////////////////////////////////////////////////////////////////
// | |
| 55 | |
| 56 bool SkComposePathEffect::filterPath(SkPath* dst, const SkPath& src, SkScalar* w
idth) | |
| 57 { | |
| 58 SkPath tmp; | |
| 59 const SkPath* ptr = &src; | |
| 60 | |
| 61 if (fPE1->filterPath(&tmp, src, width)) | |
| 62 ptr = &tmp; | |
| 63 return fPE0->filterPath(dst, *ptr, width); | |
| 64 } | |
| 65 | |
| 66 ////////////////////////////////////////////////////////////////////////////////
// | |
| 67 | |
| 68 bool SkSumPathEffect::filterPath(SkPath* dst, const SkPath& src, SkScalar* width
) | |
| 69 { | |
| 70 // use bit-or so that we always call both, even if the first one succeeds | |
| 71 return fPE0->filterPath(dst, src, width) | fPE1->filterPath(dst, src, width
); | |
| 72 } | |
| 73 | |
| 74 ////////////////////////////////////////////////////////////////////////////////
/ | |
| 75 | |
| 76 #include "SkStroke.h" | |
| 77 | |
| 78 SkStrokePathEffect::SkStrokePathEffect(const SkPaint& paint) | |
| 79 : fWidth(paint.getStrokeWidth()), fMiter(paint.getStrokeMiter()), | |
| 80 fStyle(SkToU8(paint.getStyle())), fJoin(SkToU8(paint.getStrokeJoin())), fC
ap(SkToU8(paint.getStrokeCap())) | |
| 81 { | |
| 82 } | |
| 83 | |
| 84 SkStrokePathEffect::SkStrokePathEffect(SkScalar width, SkPaint::Style style, SkP
aint::Join join, SkPaint::Cap cap, SkScalar miter) | |
| 85 : fWidth(width), fMiter(miter), fStyle(SkToU8(style)), fJoin(SkToU8(join)),
fCap(SkToU8(cap)) | |
| 86 { | |
| 87 if (miter < 0) // signal they want the default | |
| 88 fMiter = SK_DefaultMiterLimit; | |
| 89 } | |
| 90 | |
| 91 bool SkStrokePathEffect::filterPath(SkPath* dst, const SkPath& src, SkScalar* wi
dth) | |
| 92 { | |
| 93 if (fWidth < 0 || fStyle == SkPaint::kFill_Style) | |
| 94 return false; | |
| 95 | |
| 96 if (fStyle == SkPaint::kStroke_Style && fWidth == 0) // hairline | |
| 97 { | |
| 98 *width = 0; | |
| 99 return true; | |
| 100 } | |
| 101 | |
| 102 SkStroke stroke; | |
| 103 | |
| 104 stroke.setWidth(fWidth); | |
| 105 stroke.setMiterLimit(fMiter); | |
| 106 stroke.setJoin((SkPaint::Join)fJoin); | |
| 107 stroke.setCap((SkPaint::Cap)fCap); | |
| 108 stroke.setDoFill(fStyle == SkPaint::kStrokeAndFill_Style); | |
| 109 | |
| 110 stroke.strokePath(src, dst); | |
| 111 return true; | |
| 112 } | |
| 113 | |
| 114 SkFlattenable::Factory SkStrokePathEffect::getFactory() | |
| 115 { | |
| 116 return CreateProc; | |
| 117 } | |
| 118 | |
| 119 SkFlattenable* SkStrokePathEffect::CreateProc(SkFlattenableReadBuffer& buffer) | |
| 120 { | |
| 121 return SkNEW_ARGS(SkStrokePathEffect, (buffer)); | |
| 122 } | |
| 123 | |
| 124 void SkStrokePathEffect::flatten(SkFlattenableWriteBuffer& buffer) | |
| 125 { | |
| 126 buffer.writeScalar(fWidth); | |
| 127 buffer.writeScalar(fMiter); | |
| 128 buffer.write8(fStyle); | |
| 129 buffer.write8(fJoin); | |
| 130 buffer.write8(fCap); | |
| 131 } | |
| 132 | |
| 133 SkStrokePathEffect::SkStrokePathEffect(SkFlattenableReadBuffer& buffer) | |
| 134 { | |
| 135 fWidth = buffer.readScalar(); | |
| 136 fMiter = buffer.readScalar(); | |
| 137 fStyle = buffer.readU8(); | |
| 138 fJoin = buffer.readU8(); | |
| 139 fCap = buffer.readU8(); | |
| 140 } | |
| 141 | |
| 142 | |
| OLD | NEW |
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Chromium Code Reviews
Issue 113827:
Remove the remainder of the skia source code from the Chromium repo.... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/