Mike Reed | 0ef539a | 2018-07-18 13:28:42 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018 Google Inc. |
| 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 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "include/core/SkStrokeRec.h" |
| 9 | #include "src/core/SkReadBuffer.h" |
| 10 | #include "src/core/SkWriteBuffer.h" |
| 11 | #include "src/effects/SkOpPE.h" |
Mike Reed | 0ef539a | 2018-07-18 13:28:42 -0400 | [diff] [blame] | 12 | |
Mike Reed | 310f44d | 2018-07-19 13:47:44 -0400 | [diff] [blame] | 13 | sk_sp<SkPathEffect> SkMergePathEffect::Make(sk_sp<SkPathEffect> one, sk_sp<SkPathEffect> two, |
| 14 | SkPathOp op) { |
Mike Reed | 0ef539a | 2018-07-18 13:28:42 -0400 | [diff] [blame] | 15 | return sk_sp<SkPathEffect>(new SkOpPE(std::move(one), std::move(two), op)); |
| 16 | } |
| 17 | |
| 18 | SkOpPE::SkOpPE(sk_sp<SkPathEffect> one, sk_sp<SkPathEffect> two, SkPathOp op) |
| 19 | : fOne(std::move(one)), fTwo(std::move(two)), fOp(op) {} |
| 20 | |
Mike Reed | 6d10f8b | 2018-08-16 13:22:16 -0400 | [diff] [blame] | 21 | bool SkOpPE::onFilterPath(SkPath* dst, const SkPath& src, SkStrokeRec* rec, |
| 22 | const SkRect* cull) const { |
Mike Reed | 0ef539a | 2018-07-18 13:28:42 -0400 | [diff] [blame] | 23 | SkPath one, two; |
| 24 | if (fOne) { |
| 25 | if (!fOne->filterPath(&one, src, rec, cull)) { |
| 26 | return false; |
| 27 | } |
| 28 | } else { |
| 29 | one = src; |
| 30 | } |
| 31 | if (fTwo) { |
| 32 | if (!fTwo->filterPath(&two, src, rec, cull)) { |
| 33 | return false; |
| 34 | } |
| 35 | } else { |
| 36 | two = src; |
| 37 | } |
| 38 | return Op(one, two, fOp, dst); |
| 39 | } |
| 40 | |
| 41 | void SkOpPE::flatten(SkWriteBuffer& buffer) const { |
| 42 | buffer.writeFlattenable(fOne.get()); |
| 43 | buffer.writeFlattenable(fTwo.get()); |
| 44 | buffer.write32(fOp); |
| 45 | } |
| 46 | |
| 47 | sk_sp<SkFlattenable> SkOpPE::CreateProc(SkReadBuffer& buffer) { |
| 48 | auto one = buffer.readPathEffect(); |
| 49 | auto two = buffer.readPathEffect(); |
| 50 | SkPathOp op = buffer.read32LE(kReverseDifference_SkPathOp); |
Mike Reed | 310f44d | 2018-07-19 13:47:44 -0400 | [diff] [blame] | 51 | return buffer.isValid() ? SkMergePathEffect::Make(std::move(one), std::move(two), op) : nullptr; |
Mike Reed | 0ef539a | 2018-07-18 13:28:42 -0400 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | ////////////////////////////////////////////////////////////////////////////////////////////////// |
| 55 | |
| 56 | sk_sp<SkPathEffect> SkMatrixPathEffect::MakeTranslate(SkScalar dx, SkScalar dy) { |
| 57 | if (!SkScalarsAreFinite(dx, dy)) { |
| 58 | return nullptr; |
| 59 | } |
| 60 | return sk_sp<SkPathEffect>(new SkMatrixPE(SkMatrix::MakeTrans(dx, dy))); |
| 61 | } |
| 62 | |
| 63 | sk_sp<SkPathEffect> SkMatrixPathEffect::Make(const SkMatrix& matrix) { |
| 64 | if (!matrix.isFinite()) { |
| 65 | return nullptr; |
| 66 | } |
| 67 | return sk_sp<SkPathEffect>(new SkMatrixPE(matrix)); |
| 68 | } |
| 69 | |
| 70 | SkMatrixPE::SkMatrixPE(const SkMatrix& matrix) : fMatrix(matrix) { |
| 71 | SkASSERT(matrix.isFinite()); |
| 72 | } |
| 73 | |
Mike Reed | 6d10f8b | 2018-08-16 13:22:16 -0400 | [diff] [blame] | 74 | bool SkMatrixPE::onFilterPath(SkPath* dst, const SkPath& src, SkStrokeRec*, const SkRect*) const { |
Mike Reed | 0ef539a | 2018-07-18 13:28:42 -0400 | [diff] [blame] | 75 | src.transform(fMatrix, dst); |
| 76 | return true; |
| 77 | } |
| 78 | |
| 79 | void SkMatrixPE::flatten(SkWriteBuffer& buffer) const { |
| 80 | buffer.writeMatrix(fMatrix); |
| 81 | } |
| 82 | |
| 83 | sk_sp<SkFlattenable> SkMatrixPE::CreateProc(SkReadBuffer& buffer) { |
| 84 | SkMatrix mx; |
| 85 | buffer.readMatrix(&mx); |
| 86 | return buffer.isValid() ? SkMatrixPathEffect::Make(mx) : nullptr; |
| 87 | } |
| 88 | |
| 89 | ////////////////////////////////////////////////////////////////////////////////////////////////// |
| 90 | |
| 91 | sk_sp<SkPathEffect> SkStrokePathEffect::Make(SkScalar width, SkPaint::Join join, SkPaint::Cap cap, |
| 92 | SkScalar miter) { |
| 93 | if (!SkScalarsAreFinite(width, miter) || width < 0 || miter < 0) { |
| 94 | return nullptr; |
| 95 | } |
| 96 | return sk_sp<SkPathEffect>(new SkStrokePE(width, join, cap, miter)); |
| 97 | } |
| 98 | |
| 99 | SkStrokePE::SkStrokePE(SkScalar width, SkPaint::Join join, SkPaint::Cap cap, SkScalar miter) |
| 100 | : fWidth(width), fMiter(miter), fJoin(join), fCap(cap) {} |
| 101 | |
Mike Reed | 6d10f8b | 2018-08-16 13:22:16 -0400 | [diff] [blame] | 102 | bool SkStrokePE::onFilterPath(SkPath* dst, const SkPath& src, SkStrokeRec*, const SkRect*) const { |
Mike Reed | 0ef539a | 2018-07-18 13:28:42 -0400 | [diff] [blame] | 103 | SkStrokeRec rec(SkStrokeRec::kFill_InitStyle); |
| 104 | rec.setStrokeStyle(fWidth); |
| 105 | rec.setStrokeParams(fCap, fJoin, fMiter); |
| 106 | return rec.applyToPath(dst, src); |
| 107 | } |
| 108 | |
| 109 | void SkStrokePE::flatten(SkWriteBuffer& buffer) const { |
| 110 | buffer.writeScalar(fWidth); |
| 111 | buffer.writeScalar(fMiter); |
| 112 | buffer.write32(fJoin); |
| 113 | buffer.write32(fCap); |
| 114 | } |
| 115 | |
| 116 | sk_sp<SkFlattenable> SkStrokePE::CreateProc(SkReadBuffer& buffer) { |
| 117 | SkScalar width = buffer.readScalar(); |
| 118 | SkScalar miter = buffer.readScalar(); |
| 119 | SkPaint::Join join = buffer.read32LE(SkPaint::kLast_Join); |
| 120 | SkPaint::Cap cap = buffer.read32LE(SkPaint::kLast_Cap); |
| 121 | return buffer.isValid() ? SkStrokePathEffect::Make(width, join, cap, miter) : nullptr; |
| 122 | } |
| 123 | |
| 124 | |