gfx/2d/PathRecording.cpp@97036ab72558 (annotated)
gfx/2d/PathRecording.cpp
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "PathRecording.h" |
| michael@0 | 7 | #include "DrawEventRecorder.h" |
| michael@0 | 8 | |
| michael@0 | 9 | namespace mozilla { |
| michael@0 | 10 | namespace gfx { |
| michael@0 | 11 | |
| michael@0 | 12 | using namespace std; |
| michael@0 | 13 | |
| michael@0 | 14 | void |
| michael@0 | 15 | PathBuilderRecording::MoveTo(const Point &aPoint) |
| michael@0 | 16 | { |
| michael@0 | 17 | PathOp op; |
| michael@0 | 18 | op.mType = PathOp::OP_MOVETO; |
| michael@0 | 19 | op.mP1 = aPoint; |
| michael@0 | 20 | mPathOps.push_back(op); |
| michael@0 | 21 | mPathBuilder->MoveTo(aPoint); |
| michael@0 | 22 | } |
| michael@0 | 23 | |
| michael@0 | 24 | void |
| michael@0 | 25 | PathBuilderRecording::LineTo(const Point &aPoint) |
| michael@0 | 26 | { |
| michael@0 | 27 | PathOp op; |
| michael@0 | 28 | op.mType = PathOp::OP_LINETO; |
| michael@0 | 29 | op.mP1 = aPoint; |
| michael@0 | 30 | mPathOps.push_back(op); |
| michael@0 | 31 | mPathBuilder->LineTo(aPoint); |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | void |
| michael@0 | 35 | PathBuilderRecording::BezierTo(const Point &aCP1, const Point &aCP2, const Point &aCP3) |
| michael@0 | 36 | { |
| michael@0 | 37 | PathOp op; |
| michael@0 | 38 | op.mType = PathOp::OP_BEZIERTO; |
| michael@0 | 39 | op.mP1 = aCP1; |
| michael@0 | 40 | op.mP2 = aCP2; |
| michael@0 | 41 | op.mP3 = aCP3; |
| michael@0 | 42 | mPathOps.push_back(op); |
| michael@0 | 43 | mPathBuilder->BezierTo(aCP1, aCP2, aCP3); |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | void |
| michael@0 | 47 | PathBuilderRecording::QuadraticBezierTo(const Point &aCP1, const Point &aCP2) |
| michael@0 | 48 | { |
| michael@0 | 49 | PathOp op; |
| michael@0 | 50 | op.mType = PathOp::OP_QUADRATICBEZIERTO; |
| michael@0 | 51 | op.mP1 = aCP1; |
| michael@0 | 52 | op.mP2 = aCP2; |
| michael@0 | 53 | mPathOps.push_back(op); |
| michael@0 | 54 | mPathBuilder->QuadraticBezierTo(aCP1, aCP2); |
| michael@0 | 55 | } |
| michael@0 | 56 | |
| michael@0 | 57 | void |
| michael@0 | 58 | PathBuilderRecording::Close() |
| michael@0 | 59 | { |
| michael@0 | 60 | PathOp op; |
| michael@0 | 61 | op.mType = PathOp::OP_CLOSE; |
| michael@0 | 62 | mPathOps.push_back(op); |
| michael@0 | 63 | mPathBuilder->Close(); |
| michael@0 | 64 | } |
| michael@0 | 65 | |
| michael@0 | 66 | Point |
| michael@0 | 67 | PathBuilderRecording::CurrentPoint() const |
| michael@0 | 68 | { |
| michael@0 | 69 | return mPathBuilder->CurrentPoint(); |
| michael@0 | 70 | } |
| michael@0 | 71 | |
| michael@0 | 72 | TemporaryRef<Path> |
| michael@0 | 73 | PathBuilderRecording::Finish() |
| michael@0 | 74 | { |
| michael@0 | 75 | RefPtr<Path> path = mPathBuilder->Finish(); |
| michael@0 | 76 | return new PathRecording(path, mPathOps, mFillRule); |
| michael@0 | 77 | } |
| michael@0 | 78 | |
| michael@0 | 79 | PathRecording::~PathRecording() |
| michael@0 | 80 | { |
| michael@0 | 81 | for (size_t i = 0; i < mStoredRecorders.size(); i++) { |
| michael@0 | 82 | mStoredRecorders[i]->RemoveStoredPath(this); |
| michael@0 | 83 | mStoredRecorders[i]->RecordEvent(RecordedPathDestruction(this)); |
| michael@0 | 84 | } |
| michael@0 | 85 | } |
| michael@0 | 86 | |
| michael@0 | 87 | TemporaryRef<PathBuilder> |
| michael@0 | 88 | PathRecording::CopyToBuilder(FillRule aFillRule) const |
| michael@0 | 89 | { |
| michael@0 | 90 | RefPtr<PathBuilder> pathBuilder = mPath->CopyToBuilder(aFillRule); |
| michael@0 | 91 | RefPtr<PathBuilderRecording> recording = new PathBuilderRecording(pathBuilder, aFillRule); |
| michael@0 | 92 | recording->mPathOps = mPathOps; |
| michael@0 | 93 | return recording; |
| michael@0 | 94 | } |
| michael@0 | 95 | |
| michael@0 | 96 | TemporaryRef<PathBuilder> |
| michael@0 | 97 | PathRecording::TransformedCopyToBuilder(const Matrix &aTransform, FillRule aFillRule) const |
| michael@0 | 98 | { |
| michael@0 | 99 | RefPtr<PathBuilder> pathBuilder = mPath->TransformedCopyToBuilder(aTransform, aFillRule); |
| michael@0 | 100 | RefPtr<PathBuilderRecording> recording = new PathBuilderRecording(pathBuilder, aFillRule); |
| michael@0 | 101 | typedef std::vector<PathOp> pathOpVec; |
| michael@0 | 102 | for (pathOpVec::const_iterator iter = mPathOps.begin(); iter != mPathOps.end(); iter++) { |
| michael@0 | 103 | PathOp newPathOp; |
| michael@0 | 104 | newPathOp.mType = iter->mType; |
| michael@0 | 105 | if (sPointCount[newPathOp.mType] >= 1) { |
| michael@0 | 106 | newPathOp.mP1 = aTransform * iter->mP1; |
| michael@0 | 107 | } |
| michael@0 | 108 | if (sPointCount[newPathOp.mType] >= 2) { |
| michael@0 | 109 | newPathOp.mP2 = aTransform * iter->mP2; |
| michael@0 | 110 | } |
| michael@0 | 111 | if (sPointCount[newPathOp.mType] >= 3) { |
| michael@0 | 112 | newPathOp.mP3 = aTransform * iter->mP3; |
| michael@0 | 113 | } |
| michael@0 | 114 | recording->mPathOps.push_back(newPathOp); |
| michael@0 | 115 | } |
| michael@0 | 116 | return recording; |
| michael@0 | 117 | } |
| michael@0 | 118 | |
| michael@0 | 119 | } |
| michael@0 | 120 | } |
