1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "tests/common/TestUtils.h"
18
19 #include <hwui/Paint.h>
20 #include <SkBlurDrawLooper.h>
21 #include <SkCanvasStateUtils.h>
22 #include <SkPicture.h>
23 #include <SkPictureRecorder.h>
24 #include <gtest/gtest.h>
25
26 using namespace android;
27 using namespace android::uirenderer;
28
TEST(SkiaCanvas,drawShadowLayer)29 TEST(SkiaCanvas, drawShadowLayer) {
30 auto surface = SkSurface::MakeRasterN32Premul(10, 10);
31 SkiaCanvas canvas(surface->getCanvas());
32
33 // clear to white
34 canvas.drawColor(SK_ColorWHITE, SkBlendMode::kSrc);
35
36 Paint paint;
37 // it is transparent to ensure that we still draw the rect since it has a looper
38 paint.setColor(SK_ColorTRANSPARENT);
39 // this is how view's shadow layers are implemented
40 paint.setLooper(SkBlurDrawLooper::Make(0xF0000000, 6.0f, 0, 10));
41 canvas.drawRect(3, 3, 7, 7, paint);
42
43 ASSERT_EQ(TestUtils::getColor(surface, 0, 0), SK_ColorWHITE);
44 ASSERT_NE(TestUtils::getColor(surface, 5, 5), SK_ColorWHITE);
45 }
46
TEST(SkiaCanvas,colorSpaceXform)47 TEST(SkiaCanvas, colorSpaceXform) {
48 sk_sp<SkColorSpace> adobe = SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB,
49 SkNamedGamut::kAdobeRGB);
50
51 SkImageInfo adobeInfo = SkImageInfo::Make(1, 1, kN32_SkColorType, kOpaque_SkAlphaType, adobe);
52 sk_sp<Bitmap> adobeBitmap = Bitmap::allocateHeapBitmap(adobeInfo);
53 SkBitmap adobeSkBitmap;
54 adobeBitmap->getSkBitmap(&adobeSkBitmap);
55 *adobeSkBitmap.getAddr32(0, 0) = 0xFF0000F0; // Opaque, almost fully-red
56
57 SkImageInfo info = adobeInfo.makeColorSpace(SkColorSpace::MakeSRGB());
58 sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(info);
59 SkBitmap skBitmap;
60 bitmap->getSkBitmap(&skBitmap);
61
62 // Create a software sRGB canvas.
63 SkiaCanvas canvas(skBitmap);
64 canvas.drawBitmap(*adobeBitmap, 0, 0, nullptr);
65 // The result should be fully red, since we convert to sRGB at draw time.
66 ASSERT_EQ(0xFF0000FF, *skBitmap.getAddr32(0, 0));
67
68 // Create a software canvas with an Adobe color space.
69 SkiaCanvas adobeSkCanvas(adobeSkBitmap);
70 adobeSkCanvas.drawBitmap(*bitmap, 0, 0, nullptr);
71 // The result should be less than fully red, since we convert to Adobe RGB at draw time.
72 ASSERT_EQ(0xFF0000DC, *adobeSkBitmap.getAddr32(0, 0));
73
74 // Test picture recording.
75 SkPictureRecorder recorder;
76 SkCanvas* skPicCanvas = recorder.beginRecording(1, 1, NULL, 0);
77 SkiaCanvas picCanvas(skPicCanvas);
78 picCanvas.drawBitmap(*adobeBitmap, 0, 0, nullptr);
79 sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture();
80
81 // Playback to a software sRGB canvas. The result should be fully red.
82 canvas.drawPicture(*picture);
83 ASSERT_EQ(0xFF0000FF, *skBitmap.getAddr32(0, 0));
84 }
85
TEST(SkiaCanvas,captureCanvasState)86 TEST(SkiaCanvas, captureCanvasState) {
87 // Create a software canvas.
88 SkImageInfo info = SkImageInfo::Make(1, 1, kN32_SkColorType, kOpaque_SkAlphaType);
89 sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(info);
90 SkBitmap skBitmap;
91 bitmap->getSkBitmap(&skBitmap);
92 skBitmap.eraseColor(0);
93 SkiaCanvas canvas(skBitmap);
94
95 // Translate, then capture and verify the CanvasState.
96 canvas.translate(1.0f, 1.0f);
97 SkCanvasState* state = canvas.captureCanvasState();
98 ASSERT_NE(state, nullptr);
99 std::unique_ptr<SkCanvas> newCanvas = SkCanvasStateUtils::MakeFromCanvasState(state);
100 ASSERT_NE(newCanvas.get(), nullptr);
101 newCanvas->translate(-1.0f, -1.0f);
102 ASSERT_TRUE(newCanvas->getTotalMatrix().isIdentity());
103 SkCanvasStateUtils::ReleaseCanvasState(state);
104
105 // Create a picture canvas.
106 SkPictureRecorder recorder;
107 SkCanvas* skPicCanvas = recorder.beginRecording(1, 1, NULL, 0);
108 SkiaCanvas picCanvas(skPicCanvas);
109 state = picCanvas.captureCanvasState();
110
111 // Verify that we cannot get the CanvasState.
112 ASSERT_EQ(state, nullptr);
113 }
114