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 <RecordingCanvas.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
29 /**
30 * Verify that we get the same culling bounds for text for (1) drawing glyphs
31 * directly to a Canvas or (2) going through a SkPicture as an intermediate step.
32 */
OPENGL_PIPELINE_TEST(SkiaCanvasProxy,drawGlyphsViaPicture)33 OPENGL_PIPELINE_TEST(SkiaCanvasProxy, drawGlyphsViaPicture) {
34 auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
35 // setup test variables
36 SkPaint paint;
37 paint.setAntiAlias(true);
38 paint.setTextSize(20);
39 static const char* text = "testing text bounds";
40
41 // draw text directly into Recording canvas
42 TestUtils::drawUtf8ToCanvas(&canvas, text, paint, 25, 25);
43
44 // record the same text draw into a SkPicture and replay it into a Recording canvas
45 SkPictureRecorder recorder;
46 SkCanvas* skCanvas = recorder.beginRecording(200, 200, NULL, 0);
47 std::unique_ptr<Canvas> pictCanvas(Canvas::create_canvas(skCanvas));
48 TestUtils::drawUtf8ToCanvas(pictCanvas.get(), text, paint, 25, 25);
49 sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture();
50
51 canvas.asSkCanvas()->drawPicture(picture);
52 });
53
54 // verify that the text bounds and matrices match
55 ASSERT_EQ(2U, dl->getOps().size());
56 auto directOp = dl->getOps()[0];
57 auto pictureOp = dl->getOps()[1];
58 ASSERT_EQ(RecordedOpId::TextOp, directOp->opId);
59 EXPECT_EQ(directOp->opId, pictureOp->opId);
60 EXPECT_EQ(directOp->unmappedBounds, pictureOp->unmappedBounds);
61 EXPECT_EQ(directOp->localMatrix, pictureOp->localMatrix);
62 }
63
TEST(SkiaCanvas,drawShadowLayer)64 TEST(SkiaCanvas, drawShadowLayer) {
65 auto surface = SkSurface::MakeRasterN32Premul(10, 10);
66 SkiaCanvas canvas(surface->getCanvas());
67
68 // clear to white
69 canvas.drawColor(SK_ColorWHITE, SkBlendMode::kSrc);
70
71 SkPaint paint;
72 // it is transparent to ensure that we still draw the rect since it has a looper
73 paint.setColor(SK_ColorTRANSPARENT);
74 // this is how view's shadow layers are implemented
75 paint.setLooper(SkBlurDrawLooper::Make(0xF0000000, 6.0f, 0, 10));
76 canvas.drawRect(3, 3, 7, 7, paint);
77
78 ASSERT_EQ(TestUtils::getColor(surface, 0, 0), SK_ColorWHITE);
79 ASSERT_NE(TestUtils::getColor(surface, 5, 5), SK_ColorWHITE);
80 }
81
TEST(SkiaCanvas,colorSpaceXform)82 TEST(SkiaCanvas, colorSpaceXform) {
83 sk_sp<SkColorSpace> adobe = SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma,
84 SkColorSpace::kAdobeRGB_Gamut);
85
86 SkImageInfo adobeInfo = SkImageInfo::Make(1, 1, kN32_SkColorType, kOpaque_SkAlphaType, adobe);
87 sk_sp<Bitmap> adobeBitmap = Bitmap::allocateHeapBitmap(adobeInfo);
88 SkBitmap adobeSkBitmap;
89 adobeBitmap->getSkBitmap(&adobeSkBitmap);
90 *adobeSkBitmap.getAddr32(0, 0) = 0xFF0000F0; // Opaque, almost fully-red
91
92 SkImageInfo info = adobeInfo.makeColorSpace(nullptr);
93 sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(info);
94 SkBitmap skBitmap;
95 bitmap->getSkBitmap(&skBitmap);
96
97 // Create a software canvas.
98 SkiaCanvas canvas(skBitmap);
99 canvas.drawBitmap(*adobeBitmap, 0, 0, nullptr);
100 // The result should be fully red, since we convert to sRGB at draw time.
101 ASSERT_EQ(0xFF0000FF, *skBitmap.getAddr32(0, 0));
102
103 // Create a software canvas with an Adobe color space.
104 SkiaCanvas adobeSkCanvas(adobeSkBitmap);
105 adobeSkCanvas.drawBitmap(*bitmap, 0, 0, nullptr);
106 // The result should be less than fully red, since we convert to Adobe RGB at draw time.
107 ASSERT_EQ(0xFF0000DC, *adobeSkBitmap.getAddr32(0, 0));
108
109 // Test picture recording.
110 SkPictureRecorder recorder;
111 SkCanvas* skPicCanvas = recorder.beginRecording(1, 1, NULL, 0);
112 SkiaCanvas picCanvas(skPicCanvas);
113 picCanvas.drawBitmap(*adobeBitmap, 0, 0, nullptr);
114 sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture();
115
116 // Playback to an software canvas. The result should be fully red.
117 canvas.asSkCanvas()->drawPicture(picture);
118 ASSERT_EQ(0xFF0000FF, *skBitmap.getAddr32(0, 0));
119 }
120
TEST(SkiaCanvas,captureCanvasState)121 TEST(SkiaCanvas, captureCanvasState) {
122 // Create a software canvas.
123 SkImageInfo info = SkImageInfo::Make(1, 1, kN32_SkColorType, kOpaque_SkAlphaType);
124 sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(info);
125 SkBitmap skBitmap;
126 bitmap->getSkBitmap(&skBitmap);
127 skBitmap.eraseColor(0);
128 SkiaCanvas canvas(skBitmap);
129
130 // Translate, then capture and verify the CanvasState.
131 canvas.translate(1.0f, 1.0f);
132 SkCanvasState* state = canvas.captureCanvasState();
133 ASSERT_NE(state, nullptr);
134 std::unique_ptr<SkCanvas> newCanvas = SkCanvasStateUtils::MakeFromCanvasState(state);
135 ASSERT_NE(newCanvas.get(), nullptr);
136 newCanvas->translate(-1.0f, -1.0f);
137 ASSERT_TRUE(newCanvas->getTotalMatrix().isIdentity());
138 SkCanvasStateUtils::ReleaseCanvasState(state);
139
140 // Create a picture canvas.
141 SkPictureRecorder recorder;
142 SkCanvas* skPicCanvas = recorder.beginRecording(1, 1, NULL, 0);
143 SkiaCanvas picCanvas(skPicCanvas);
144 state = picCanvas.captureCanvasState();
145
146 // Verify that we cannot get the CanvasState.
147 ASSERT_EQ(state, nullptr);
148 }
149