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 #include "include/core/SkBBHFactory.h"
9 #include "include/core/SkBitmap.h"
10 #include "include/core/SkCanvas.h"
11 #include "include/core/SkColor.h"
12 #include "include/core/SkPaint.h"
13 #include "include/core/SkPicture.h"
14 #include "include/core/SkPictureRecorder.h"
15 #include "include/core/SkRect.h"
16 #include "include/core/SkRefCnt.h"
17 #include "include/core/SkScalar.h"
18 #include "tests/Test.h"
19
20 class PictureBBHTestBase {
21 public:
PictureBBHTestBase(int playbackWidth,int playbackHeight,int recordWidth,int recordHeight)22 PictureBBHTestBase(int playbackWidth, int playbackHeight,
23 int recordWidth, int recordHeight) {
24
25 fResultBitmap.allocN32Pixels(playbackWidth, playbackHeight);
26 fPictureWidth = recordWidth;
27 fPictureHeight = recordHeight;
28 }
29
~PictureBBHTestBase()30 virtual ~PictureBBHTestBase() { }
31
32 virtual void doTest(SkCanvas& playbackCanvas, SkCanvas& recordingCanvas) = 0;
33
run(skiatest::Reporter * reporter)34 void run(skiatest::Reporter* reporter) {
35 // No BBH
36 this->run(nullptr, reporter);
37
38 // With an R-Tree
39 SkRTreeFactory RTreeFactory;
40 this->run(&RTreeFactory, reporter);
41 }
42
43 private:
run(SkBBHFactory * factory,skiatest::Reporter * reporter)44 void run(SkBBHFactory* factory, skiatest::Reporter* reporter) {
45 SkCanvas playbackCanvas(fResultBitmap);
46 playbackCanvas.clear(SK_ColorGREEN);
47 SkPictureRecorder recorder;
48 SkCanvas* recordCanvas = recorder.beginRecording(SkIntToScalar(fPictureWidth),
49 SkIntToScalar(fPictureHeight),
50 factory);
51 this->doTest(playbackCanvas, *recordCanvas);
52 sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
53 playbackCanvas.drawPicture(picture);
54 REPORTER_ASSERT(reporter, SK_ColorGREEN == fResultBitmap.getColor(0, 0));
55 }
56
57 SkBitmap fResultBitmap;
58 int fPictureWidth, fPictureHeight;
59 };
60
61 // Test to verify the playback of an empty picture
62 //
63 class DrawEmptyPictureBBHTest : public PictureBBHTestBase {
64 public:
DrawEmptyPictureBBHTest()65 DrawEmptyPictureBBHTest()
66 : PictureBBHTestBase(2, 2, 1, 1) {}
~DrawEmptyPictureBBHTest()67 ~DrawEmptyPictureBBHTest() override {}
68
doTest(SkCanvas &,SkCanvas &)69 void doTest(SkCanvas&, SkCanvas&) override {}
70 };
71
72 // Test to verify the playback of a picture into a canvas that has
73 // an empty clip.
74 //
75 class EmptyClipPictureBBHTest : public PictureBBHTestBase {
76 public:
EmptyClipPictureBBHTest()77 EmptyClipPictureBBHTest()
78 : PictureBBHTestBase(2, 2, 3, 3) {}
79
doTest(SkCanvas & playbackCanvas,SkCanvas & recordingCanvas)80 void doTest(SkCanvas& playbackCanvas, SkCanvas& recordingCanvas) override {
81 // intersect with out of bounds rect -> empty clip.
82 playbackCanvas.clipRect(SkRect::MakeXYWH(10, 10, 1, 1));
83 SkPaint paint;
84 recordingCanvas.drawRect(SkRect::MakeWH(3, 3), paint);
85 }
86
~EmptyClipPictureBBHTest()87 ~EmptyClipPictureBBHTest() override {}
88 };
89
DEF_TEST(PictureBBH,reporter)90 DEF_TEST(PictureBBH, reporter) {
91
92 DrawEmptyPictureBBHTest emptyPictureTest;
93 emptyPictureTest.run(reporter);
94
95 EmptyClipPictureBBHTest emptyClipPictureTest;
96 emptyClipPictureTest.run(reporter);
97 }
98
DEF_TEST(PictureNegativeSpace,r)99 DEF_TEST(PictureNegativeSpace, r) {
100 SkRTreeFactory factory;
101 SkPictureRecorder recorder;
102
103 SkRect cull = {-200,-200,+200,+200};
104
105 {
106 sk_sp<SkBBoxHierarchy> bbh = factory();
107 auto canvas = recorder.beginRecording(cull, bbh);
108 canvas->save();
109 canvas->clipRect(cull);
110 canvas->drawRect({-20,-20,-10,-10}, SkPaint{});
111 canvas->drawRect({-20,-20,-10,-10}, SkPaint{});
112 canvas->restore();
113 auto pic = recorder.finishRecordingAsPicture();
114 REPORTER_ASSERT(r, pic->approximateOpCount() == 5);
115 REPORTER_ASSERT(r, pic->cullRect() == (SkRect{-20,-20,-10,-10}));
116 }
117
118 {
119 auto canvas = recorder.beginRecording(cull, &factory);
120 canvas->clipRect(cull);
121 canvas->drawRect({-20,-20,-10,-10}, SkPaint{});
122 canvas->drawRect({-20,-20,-10,-10}, SkPaint{});
123 auto pic = recorder.finishRecordingAsPicture();
124 REPORTER_ASSERT(r, pic->approximateOpCount() == 3);
125 REPORTER_ASSERT(r, pic->cullRect() == (SkRect{-20,-20,-10,-10}));
126 }
127 }
128