blob: 5ebbef93cb20be08ec95cb163e2b631c4d48a4b2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkQuadTreePicture_DEFINED
#define SkQuadTreePicture_DEFINED
#ifdef SK_SUPPORT_LEGACY_PICTURE_HEADERS
#include "SkBBHFactory.h"
#endif
#ifdef SK_SUPPORT_LEGACY_DERIVED_PICTURE_CLASSES
#include "SkPicture.h"
#include "SkRect.h"
/**
* Subclass of SkPicture that creates an SkQuadGrid
* structure. The quad tree has generally faster
* tree creation time, but slightly slower query times, as compared to
* R-Tree, so some cases may be faster and some cases slower.
*/
class SK_API SkQuadTreePicture : public SkPicture {
public:
SkQuadTreePicture(const SkIRect& bounds) : fBounds(bounds) {}
virtual SkBBoxHierarchy* createBBoxHierarchy() const SK_OVERRIDE;
private:
SkIRect fBounds;
typedef SkPicture INHERITED;
};
class SkQuadTreePictureFactory : public SkPictureFactory {
public:
SkQuadTreePictureFactory() {}
virtual SkPicture* create(int width, int height) SK_OVERRIDE {
return SkNEW_ARGS(SkQuadTreePicture, (SkIRect::MakeWH(width, height)));
}
private:
typedef SkPictureFactory INHERITED;
};
#endif
#endif
|
