gfx/skia/trunk/include/utils/SkPictureUtils.h@129ffea94266 (annotated)
gfx/skia/trunk/include/utils/SkPictureUtils.h
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2012 Google Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef SkPictureUtils_DEFINED |
| michael@0 | 9 | #define SkPictureUtils_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "SkPicture.h" |
| michael@0 | 12 | #include "SkTDArray.h" |
| michael@0 | 13 | |
| michael@0 | 14 | class SkData; |
| michael@0 | 15 | struct SkRect; |
| michael@0 | 16 | |
| michael@0 | 17 | class SK_API SkPictureUtils { |
| michael@0 | 18 | public: |
| michael@0 | 19 | /** |
| michael@0 | 20 | * Given a rectangular visible "window" into the picture, return an array |
| michael@0 | 21 | * of SkPixelRefs that might intersect that area. To keep the call fast, |
| michael@0 | 22 | * the returned list is not guaranteed to be exact, so it may miss some, |
| michael@0 | 23 | * and it may return false positives. |
| michael@0 | 24 | * |
| michael@0 | 25 | * The pixelrefs returned in the SkData are already owned by the picture, |
| michael@0 | 26 | * so the returned pointers are only valid while the picture is in scope |
| michael@0 | 27 | * and remains unchanged. |
| michael@0 | 28 | */ |
| michael@0 | 29 | static SkData* GatherPixelRefs(SkPicture* pict, const SkRect& area); |
| michael@0 | 30 | |
| michael@0 | 31 | /** |
| michael@0 | 32 | * SkPixelRefContainer provides a base class for more elaborate pixel ref |
| michael@0 | 33 | * query structures (e.g., rtrees, quad-trees, etc.) |
| michael@0 | 34 | */ |
| michael@0 | 35 | class SkPixelRefContainer : public SkRefCnt { |
| michael@0 | 36 | public: |
| michael@0 | 37 | virtual void add(SkPixelRef* pr, const SkRect& rect) = 0; |
| michael@0 | 38 | |
| michael@0 | 39 | // The returned array may contain duplicates |
| michael@0 | 40 | virtual void query(const SkRect& queryRect, SkTDArray<SkPixelRef*> *result) = 0; |
| michael@0 | 41 | |
| michael@0 | 42 | private: |
| michael@0 | 43 | typedef SkRefCnt INHERITED; |
| michael@0 | 44 | }; |
| michael@0 | 45 | |
| michael@0 | 46 | // Simple query structure that just stores a linked list of pixel refs |
| michael@0 | 47 | // and rects. |
| michael@0 | 48 | class SkPixelRefsAndRectsList : public SkPixelRefContainer { |
| michael@0 | 49 | public: |
| michael@0 | 50 | virtual void add(SkPixelRef* pr, const SkRect& rect) SK_OVERRIDE { |
| michael@0 | 51 | PixelRefAndRect *dst = fArray.append(); |
| michael@0 | 52 | |
| michael@0 | 53 | dst->fPixelRef = pr; |
| michael@0 | 54 | dst->fRect = rect; |
| michael@0 | 55 | } |
| michael@0 | 56 | |
| michael@0 | 57 | virtual void query(const SkRect& queryRect, SkTDArray<SkPixelRef*> *result) SK_OVERRIDE { |
| michael@0 | 58 | for (int i = 0; i < fArray.count(); ++i) { |
| michael@0 | 59 | if (SkRect::Intersects(fArray[i].fRect, queryRect)) { |
| michael@0 | 60 | *result->append() = fArray[i].fPixelRef; |
| michael@0 | 61 | } |
| michael@0 | 62 | } |
| michael@0 | 63 | } |
| michael@0 | 64 | |
| michael@0 | 65 | private: |
| michael@0 | 66 | struct PixelRefAndRect { |
| michael@0 | 67 | SkPixelRef* fPixelRef; |
| michael@0 | 68 | SkRect fRect; |
| michael@0 | 69 | }; |
| michael@0 | 70 | |
| michael@0 | 71 | SkTDArray<PixelRefAndRect> fArray; |
| michael@0 | 72 | |
| michael@0 | 73 | typedef SkPixelRefContainer INHERITED; |
| michael@0 | 74 | }; |
| michael@0 | 75 | |
| michael@0 | 76 | /** |
| michael@0 | 77 | * Fill the provided pixel ref container with the picture's pixel ref |
| michael@0 | 78 | * and rect information. |
| michael@0 | 79 | */ |
| michael@0 | 80 | static void GatherPixelRefsAndRects(SkPicture* pict, SkPixelRefContainer* prCont); |
| michael@0 | 81 | }; |
| michael@0 | 82 | |
| michael@0 | 83 | #endif |
