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1 /* | |
2 * Copyright 2014 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 "SkRTreePicture.h" | |
11 | |
12 #include "SkRTree.h" | |
13 | |
14 SkBBoxHierarchy* SkRTreePicture::createBBoxHierarchy() const { | |
15 // These values were empirically determined to produce reasonable | |
16 // performance in most cases. | |
17 static const int kRTreeMinChildren = 6; | |
18 static const int kRTreeMaxChildren = 11; | |
19 | |
20 SkScalar aspectRatio = SkScalarDiv(SkIntToScalar(fWidth), | |
21 SkIntToScalar(fHeight)); | |
22 bool sortDraws = false; // Do not sort draw calls when bulk loading. | |
23 | |
24 return SkRTree::Create(kRTreeMinChildren, kRTreeMaxChildren, | |
25 aspectRatio, sortDraws); | |
26 } | |
27 | |
28 #endif | |
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