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 #include "SkTileGridPicture.h" 9 10 #include "SkPictureStateTree.h" 11 #include "SkTileGrid.h" 12 13 SkTileGridPicture::SkTileGridPicture(int width, int height, const TileGridInfo& info) { 14 SkASSERT(info.fMargin.width() >= 0); 15 SkASSERT(info.fMargin.height() >= 0); 16 fInfo = info; 17 // Note: SkIRects are non-inclusive of the right() column and bottom() row. 18 // For example, an SkIRect at 0,0 with a size of (1,1) will only have 19 // content at pixel (0,0) and will report left=0 and right=1, hence the 20 // "-1"s below. 21 fXTileCount = (width + info.fTileInterval.width() - 1) / info.fTileInterval.width(); 22 fYTileCount = (height + info.fTileInterval.height() - 1) / info.fTileInterval.height(); 23 } 24 25 SkBBoxHierarchy* SkTileGridPicture::createBBoxHierarchy() const { 26 return SkNEW_ARGS(SkTileGrid, (fXTileCount, fYTileCount, fInfo, 27 SkTileGridNextDatum<SkPictureStateTree::Draw>)); 28 } 29
