Upstream version 7.36.149.0
[platform/framework/web/crosswalk.git] / src / third_party / skia / src / core / SkTileGridPicture.cpp
1 /*
2  * Copyright 2012 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
8 #ifdef SK_SUPPORT_LEGACY_DERIVED_PICTURE_CLASSES
9
10 #include "SkTileGridPicture.h"
11
12 #include "SkPictureStateTree.h"
13 #include "SkTileGrid.h"
14
15 SkTileGridPicture::SkTileGridPicture(int width, int height,
16                                      const SkTileGridFactory::TileGridInfo& info) {
17     SkASSERT(info.fMargin.width() >= 0);
18     SkASSERT(info.fMargin.height() >= 0);
19     fInfo = info;
20     // Note: SkIRects are non-inclusive of the right() column and bottom() row.
21     // For example, an SkIRect at 0,0 with a size of (1,1) will only have
22     // content at pixel (0,0) and will report left=0 and right=1, hence the
23     // "-1"s below.
24     fXTileCount = (width + info.fTileInterval.width() - 1) / info.fTileInterval.width();
25     fYTileCount = (height + info.fTileInterval.height() - 1) / info.fTileInterval.height();
26 }
27
28 SkBBoxHierarchy* SkTileGridPicture::createBBoxHierarchy() const {
29     return SkNEW_ARGS(SkTileGrid, (fXTileCount, fYTileCount, fInfo,
30          SkTileGridNextDatum<SkPictureStateTree::Draw>));
31 }
32
33 #endif