1 /*
2 * Copyright 2019 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/SkCanvas.h"
9 #include "include/core/SkColor.h"
10 #include "include/core/SkImage.h"
11 #include "include/core/SkPaint.h"
12 #include "include/core/SkPicture.h"
13 #include "include/core/SkPictureRecorder.h"
14 #include "include/core/SkPixmap.h"
15 #include "include/core/SkRect.h"
16 #include "include/core/SkRefCnt.h"
17 #include "tests/Test.h"
18 #include "tools/debugger/DebugLayerManager.h"
19
20 #include <vector>
21
22 // Adds one full update, one partial update, and requests one image a few frames later.
test_basic(skiatest::Reporter * reporter)23 static void test_basic(skiatest::Reporter* reporter) {
24 // prepare supporting objects
25 int layerWidth = 100;
26 int layerHeight = 100;
27
28 // make a picture that fully updates the layer
29 SkPictureRecorder rec;
30 SkCanvas* canvas = rec.beginRecording(layerWidth, layerHeight);
31 canvas->clear(0x00000000);
32 SkPaint paint;
33 paint.setColor(SK_ColorBLUE);
34 canvas->drawOval(SkRect::MakeLTRB(1,1,99,99), paint);
35 auto picture1 = rec.finishRecordingAsPicture();
36 SkIRect dirtyRectFull = SkIRect::MakeLTRB(0, 0, layerWidth, layerHeight);
37
38 // make a second picture that acts as a partial update.
39 SkPictureRecorder rec2;
40 canvas = rec2.beginRecording(layerWidth, layerHeight);
41 paint.setColor(SK_ColorGREEN);
42 canvas->drawOval(SkRect::MakeLTRB(40,40,60,60), paint);
43 auto picture2 = rec2.finishRecordingAsPicture();
44 SkIRect dirtyRectPartial = SkIRect::MakeLTRB(40,40,60,60);
45
46 int node = 2;
47
48 // create and exercise DebugLayerManager
49 DebugLayerManager dlm;
50 dlm.storeSkPicture(node, 0, picture1, dirtyRectFull);
51 dlm.storeSkPicture(node, 10, picture2, dirtyRectPartial);
52 auto frames = dlm.listFramesForNode(node);
53
54 // Confirm the layer manager stored these at the right places.
55 REPORTER_ASSERT(reporter, frames.size() == 2);
56 REPORTER_ASSERT(reporter, frames[0] == 0);
57 REPORTER_ASSERT(reporter, frames[1] == 10);
58
59 SkPixmap pixmap;
60 // request an image of the layer between the two updates.
61 for (int i=0; i<10; i++) {
62 auto image = dlm.getLayerAsImage(node, i);
63 REPORTER_ASSERT(reporter, image->width() == layerWidth);
64 REPORTER_ASSERT(reporter, image->height() == layerHeight);
65 // confirm center is blue, proving only first pic was drawn.
66 image->peekPixels(&pixmap);
67 SkColor paintColor = pixmap.getColor(50, 50);
68 REPORTER_ASSERT(reporter, paintColor == SK_ColorBLUE);
69 }
70
71 // For any images after the second draw, confirm the center is green, but the area just outside
72 // that smaller circle is still blue, proving dlm drew both pictures.
73 for (int i=10; i<12; i++) {
74 auto image = dlm.getLayerAsImage(node, i);
75 REPORTER_ASSERT(reporter, image->width() == layerWidth);
76 REPORTER_ASSERT(reporter, image->height() == layerHeight);
77 image->peekPixels(&pixmap);
78 auto innerColor = pixmap.getColor(50, 50);
79 REPORTER_ASSERT(reporter, innerColor == SK_ColorGREEN);
80 auto outerColor = pixmap.getColor(10, 50);
81 REPORTER_ASSERT(reporter, outerColor == SK_ColorBLUE);
82 }
83
84
85 }
86
DEF_TEST(DebugLayerManagerTest,reporter)87 DEF_TEST(DebugLayerManagerTest, reporter) {
88 test_basic(reporter);
89 }
90