gfx/skia/trunk/src/core/SkTileGridPicture.cpp@97036ab72558 (annotated)
gfx/skia/trunk/src/core/SkTileGridPicture.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 | /* |
| 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 | #include "SkTileGridPicture.h" |
| michael@0 | 9 | |
| michael@0 | 10 | #include "SkPictureStateTree.h" |
| michael@0 | 11 | #include "SkTileGrid.h" |
| michael@0 | 12 | |
| michael@0 | 13 | SkTileGridPicture::SkTileGridPicture(int width, int height, const TileGridInfo& info) { |
| michael@0 | 14 | SkASSERT(info.fMargin.width() >= 0); |
| michael@0 | 15 | SkASSERT(info.fMargin.height() >= 0); |
| michael@0 | 16 | fInfo = info; |
| michael@0 | 17 | // Note: SkIRects are non-inclusive of the right() column and bottom() row. |
| michael@0 | 18 | // For example, an SkIRect at 0,0 with a size of (1,1) will only have |
| michael@0 | 19 | // content at pixel (0,0) and will report left=0 and right=1, hence the |
| michael@0 | 20 | // "-1"s below. |
| michael@0 | 21 | fXTileCount = (width + info.fTileInterval.width() - 1) / info.fTileInterval.width(); |
| michael@0 | 22 | fYTileCount = (height + info.fTileInterval.height() - 1) / info.fTileInterval.height(); |
| michael@0 | 23 | } |
| michael@0 | 24 | |
| michael@0 | 25 | SkBBoxHierarchy* SkTileGridPicture::createBBoxHierarchy() const { |
| michael@0 | 26 | return SkNEW_ARGS(SkTileGrid, (fXTileCount, fYTileCount, fInfo, |
| michael@0 | 27 | SkTileGridNextDatum<SkPictureStateTree::Draw>)); |
| michael@0 | 28 | } |
