gfx/skia/trunk/src/core/SkQuadTreePicture.h@6474c204b198 (annotated)
gfx/skia/trunk/src/core/SkQuadTreePicture.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2014 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 SkQuadTreePicture_DEFINED |
| michael@0 | 9 | #define SkQuadTreePicture_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "SkPicture.h" |
| michael@0 | 12 | #include "SkRect.h" |
| michael@0 | 13 | |
| michael@0 | 14 | /** |
| michael@0 | 15 | * Subclass of SkPicture that override the behavior of the |
| michael@0 | 16 | * kOptimizeForClippedPlayback_RecordingFlag by creating an SkQuadGrid |
| michael@0 | 17 | * structure rather than an R-Tree. The quad tree has generally faster |
| michael@0 | 18 | * tree creation time, but slightly slower query times, as compared to |
| michael@0 | 19 | * R-Tree, so some cases may be faster and some cases slower. |
| michael@0 | 20 | */ |
| michael@0 | 21 | class SK_API SkQuadTreePicture : public SkPicture { |
| michael@0 | 22 | public: |
| michael@0 | 23 | SkQuadTreePicture(const SkIRect& bounds) : fBounds(bounds) {} |
| michael@0 | 24 | virtual SkBBoxHierarchy* createBBoxHierarchy() const SK_OVERRIDE; |
| michael@0 | 25 | private: |
| michael@0 | 26 | SkIRect fBounds; |
| michael@0 | 27 | }; |
| michael@0 | 28 | |
| michael@0 | 29 | #endif |
