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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "Test.h" | 8 #include "Test.h" |
9 #include "SkRandom.h" | 9 #include "SkRandom.h" |
10 #include "SkRTree.h" | 10 #include "SkRTree.h" |
11 #include "SkTSort.h" | 11 #include "SkTSort.h" |
12 | 12 |
13 static const size_t RTREE_MIN_CHILDREN = 6; | 13 static const size_t RTREE_MIN_CHILDREN = 6; |
14 static const size_t RTREE_MAX_CHILDREN = 11; | 14 static const size_t RTREE_MAX_CHILDREN = 11; |
15 | 15 |
16 static const int NUM_RECTS = 200; | 16 static const int NUM_RECTS = 200; |
17 static const size_t NUM_ITERATIONS = 100; | 17 static const size_t NUM_ITERATIONS = 100; |
18 static const size_t NUM_QUERIES = 50; | 18 static const size_t NUM_QUERIES = 50; |
19 | 19 |
20 static const SkScalar MAX_SIZE = 1000.0f; | 20 static const SkScalar MAX_SIZE = 1000.0f; |
21 | 21 |
22 struct DataRect { | 22 struct DataRect { |
23 SkRect rect; | 23 SkRect rect; |
24 void* data; | 24 unsigned data; |
25 }; | 25 }; |
26 | 26 |
27 static SkRect random_rect(SkRandom& rand) { | 27 static SkRect random_rect(SkRandom& rand) { |
28 SkRect rect = {0,0,0,0}; | 28 SkRect rect = {0,0,0,0}; |
29 while (rect.isEmpty()) { | 29 while (rect.isEmpty()) { |
30 rect.fLeft = rand.nextRangeF(0, MAX_SIZE); | 30 rect.fLeft = rand.nextRangeF(0, MAX_SIZE); |
31 rect.fRight = rand.nextRangeF(0, MAX_SIZE); | 31 rect.fRight = rand.nextRangeF(0, MAX_SIZE); |
32 rect.fTop = rand.nextRangeF(0, MAX_SIZE); | 32 rect.fTop = rand.nextRangeF(0, MAX_SIZE); |
33 rect.fBottom = rand.nextRangeF(0, MAX_SIZE); | 33 rect.fBottom = rand.nextRangeF(0, MAX_SIZE); |
34 rect.sort(); | 34 rect.sort(); |
35 } | 35 } |
36 return rect; | 36 return rect; |
37 } | 37 } |
38 | 38 |
39 static void random_data_rects(SkRandom& rand, DataRect out[], int n) { | 39 static void random_data_rects(SkRandom& rand, DataRect out[], int n) { |
40 for (int i = 0; i < n; ++i) { | 40 for (int i = 0; i < n; ++i) { |
41 out[i].rect = random_rect(rand); | 41 out[i].rect = random_rect(rand); |
42 out[i].data = reinterpret_cast<void*>(i); | 42 out[i].data = (unsigned)i; |
43 } | 43 } |
44 } | 44 } |
45 | 45 |
robertphillips
2014/10/02 12:27:35
one line ?
mtklein
2014/10/02 14:32:09
Done.
| |
46 static bool verify_query(SkRect query, DataRect rects[], | 46 static bool verify_query(SkRect query, DataRect rects[], |
47 SkTDArray<void*>& found) { | 47 SkTDArray<unsigned>& found) { |
48 // TODO(mtklein): no need to do this after everything's SkRects | 48 // TODO(mtklein): no need to do this after everything's SkRects |
49 query.roundOut(); | 49 query.roundOut(); |
50 | 50 |
51 SkTDArray<void*> expected; | 51 SkTDArray<unsigned> expected; |
52 // manually intersect with every rectangle | 52 // manually intersect with every rectangle |
53 for (int i = 0; i < NUM_RECTS; ++i) { | 53 for (int i = 0; i < NUM_RECTS; ++i) { |
54 if (SkRect::Intersects(query, rects[i].rect)) { | 54 if (SkRect::Intersects(query, rects[i].rect)) { |
55 expected.push(rects[i].data); | 55 expected.push(rects[i].data); |
56 } | 56 } |
57 } | 57 } |
58 | 58 |
59 if (expected.count() != found.count()) { | 59 if (expected.count() != found.count()) { |
60 return false; | 60 return false; |
61 } | 61 } |
62 | 62 |
63 if (0 == expected.count()) { | 63 if (0 == expected.count()) { |
64 return true; | 64 return true; |
65 } | 65 } |
66 | 66 |
robertphillips
2014/10/02 12:27:35
Are these sorts really necessary ?
mtklein
2014/10/02 14:32:09
Looking more closely at this file, it turns out th
| |
67 // Just cast to long since sorting by the value of the void*'s was being pro blematic... | 67 SkTQSort(expected.begin(), expected.end() - 1); |
68 SkTQSort(reinterpret_cast<long*>(expected.begin()), | 68 SkTQSort(found.begin(), found.end() - 1); |
69 reinterpret_cast<long*>(expected.end() - 1)); | |
70 SkTQSort(reinterpret_cast<long*>(found.begin()), | |
71 reinterpret_cast<long*>(found.end() - 1)); | |
72 return found == expected; | 69 return found == expected; |
73 } | 70 } |
74 | 71 |
75 static void run_queries(skiatest::Reporter* reporter, SkRandom& rand, DataRect r ects[], | 72 static void run_queries(skiatest::Reporter* reporter, SkRandom& rand, DataRect r ects[], |
76 SkBBoxHierarchy& tree) { | 73 SkBBoxHierarchy& tree) { |
77 for (size_t i = 0; i < NUM_QUERIES; ++i) { | 74 for (size_t i = 0; i < NUM_QUERIES; ++i) { |
78 SkTDArray<void*> hits; | 75 SkTDArray<unsigned> hits; |
79 SkRect query = random_rect(rand); | 76 SkRect query = random_rect(rand); |
80 tree.search(query, &hits); | 77 tree.search(query, &hits); |
81 REPORTER_ASSERT(reporter, verify_query(query, rects, hits)); | 78 REPORTER_ASSERT(reporter, verify_query(query, rects, hits)); |
82 } | 79 } |
83 } | 80 } |
84 | 81 |
85 static void tree_test_main(SkBBoxHierarchy* tree, int minChildren, int maxChildr en, | 82 static void tree_test_main(SkBBoxHierarchy* tree, int minChildren, int maxChildr en, |
86 skiatest::Reporter* reporter) { | 83 skiatest::Reporter* reporter) { |
87 DataRect rects[NUM_RECTS]; | 84 DataRect rects[NUM_RECTS]; |
88 SkRandom rand; | 85 SkRandom rand; |
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161 SkRTree* rtree = SkRTree::Create(RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN) ; | 158 SkRTree* rtree = SkRTree::Create(RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN) ; |
162 SkAutoUnref au(rtree); | 159 SkAutoUnref au(rtree); |
163 tree_test_main(rtree, RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN, reporter); | 160 tree_test_main(rtree, RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN, reporter); |
164 | 161 |
165 // Rtree that orders input rectangles on deferred insert. | 162 // Rtree that orders input rectangles on deferred insert. |
166 SkRTree* unsortedRtree = SkRTree::Create(RTREE_MIN_CHILDREN, RTREE_MAX_C HILDREN, 1, false); | 163 SkRTree* unsortedRtree = SkRTree::Create(RTREE_MIN_CHILDREN, RTREE_MAX_C HILDREN, 1, false); |
167 SkAutoUnref auo(unsortedRtree); | 164 SkAutoUnref auo(unsortedRtree); |
168 tree_test_main(unsortedRtree, RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN, re porter); | 165 tree_test_main(unsortedRtree, RTREE_MIN_CHILDREN, RTREE_MAX_CHILDREN, re porter); |
169 } | 166 } |
170 } | 167 } |
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