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Side by Side Diff: third_party/WebKit/Source/platform/graphics/GraphicsContextTest.cpp

Issue 2640983002: Rename paint data structures (Closed)
Patch Set: Rebase Created 3 years, 11 months ago
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1 /* 1 /*
2 * Copyright (C) 2012 Google Inc. All rights reserved. 2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
(...skipping 10 matching lines...) Expand all
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
23 * DAMAGE. 23 * DAMAGE.
24 */ 24 */
25 25
26 #include "platform/graphics/GraphicsContext.h" 26 #include "platform/graphics/GraphicsContext.h"
27 27
28 #include "platform/graphics/BitmapImage.h" 28 #include "platform/graphics/BitmapImage.h"
29 #include "platform/graphics/Path.h" 29 #include "platform/graphics/Path.h"
30 #include "platform/graphics/paint/PaintController.h" 30 #include "platform/graphics/paint/PaintController.h"
31 #include "platform/graphics/paint/PaintRecord.h"
31 #include "platform/testing/FontTestHelpers.h" 32 #include "platform/testing/FontTestHelpers.h"
32 #include "platform/testing/UnitTestHelpers.h" 33 #include "platform/testing/UnitTestHelpers.h"
33 #include "platform/text/TextRun.h" 34 #include "platform/text/TextRun.h"
34 #include "testing/gtest/include/gtest/gtest.h" 35 #include "testing/gtest/include/gtest/gtest.h"
35 #include "third_party/skia/include/core/SkBitmap.h" 36 #include "third_party/skia/include/core/SkBitmap.h"
36 #include "third_party/skia/include/core/SkCanvas.h" 37 #include "third_party/skia/include/core/SkCanvas.h"
37 #include "third_party/skia/include/core/SkPicture.h"
38 #include "third_party/skia/include/core/SkShader.h" 38 #include "third_party/skia/include/core/SkShader.h"
39 #include <memory> 39 #include <memory>
40 40
41 namespace blink { 41 namespace blink {
42 42
43 #define EXPECT_EQ_RECT(a, b) \ 43 #define EXPECT_EQ_RECT(a, b) \
44 EXPECT_EQ(a.x(), b.x()); \ 44 EXPECT_EQ(a.x(), b.x()); \
45 EXPECT_EQ(a.y(), b.y()); \ 45 EXPECT_EQ(a.y(), b.y()); \
46 EXPECT_EQ(a.width(), b.width()); \ 46 EXPECT_EQ(a.width(), b.width()); \
47 EXPECT_EQ(a.height(), b.height()); 47 EXPECT_EQ(a.height(), b.height());
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64 int alpha = *bitmap.getAddr32(x, y) >> 24; \ 64 int alpha = *bitmap.getAddr32(x, y) >> 24; \
65 bool opaque = opaqueRect.contains(x, y); \ 65 bool opaque = opaqueRect.contains(x, y); \
66 EXPECT_EQ(opaque, alpha == 255); \ 66 EXPECT_EQ(opaque, alpha == 255); \
67 } \ 67 } \
68 } 68 }
69 69
70 TEST(GraphicsContextTest, pictureRecording) { 70 TEST(GraphicsContextTest, pictureRecording) {
71 SkBitmap bitmap; 71 SkBitmap bitmap;
72 bitmap.allocN32Pixels(100, 100); 72 bitmap.allocN32Pixels(100, 100);
73 bitmap.eraseColor(0); 73 bitmap.eraseColor(0);
74 SkCanvas canvas(bitmap); 74 SkCanvas bitmapCanvas(bitmap);
75 PaintCanvasPassThrough canvas(&bitmapCanvas);
75 76
76 std::unique_ptr<PaintController> paintController = PaintController::create(); 77 std::unique_ptr<PaintController> paintController = PaintController::create();
77 GraphicsContext context(*paintController); 78 GraphicsContext context(*paintController);
78 79
79 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); 80 Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
80 FloatRect bounds(0, 0, 100, 100); 81 FloatRect bounds(0, 0, 100, 100);
81 82
82 context.beginRecording(bounds); 83 context.beginRecording(bounds);
83 context.fillRect(FloatRect(0, 0, 50, 50), opaque, SkBlendMode::kSrcOver); 84 context.fillRect(FloatRect(0, 0, 50, 50), opaque, SkBlendMode::kSrcOver);
84 sk_sp<const SkPicture> picture = context.endRecording(); 85 sk_sp<const PaintRecord> picture = context.endRecording();
85 canvas.drawPicture(picture.get()); 86 canvas.drawPicture(picture.get());
86 EXPECT_OPAQUE_PIXELS_ONLY_IN_RECT(bitmap, IntRect(0, 0, 50, 50)) 87 EXPECT_OPAQUE_PIXELS_ONLY_IN_RECT(bitmap, IntRect(0, 0, 50, 50))
87 88
88 context.beginRecording(bounds); 89 context.beginRecording(bounds);
89 context.fillRect(FloatRect(0, 0, 100, 100), opaque, SkBlendMode::kSrcOver); 90 context.fillRect(FloatRect(0, 0, 100, 100), opaque, SkBlendMode::kSrcOver);
90 picture = context.endRecording(); 91 picture = context.endRecording();
91 // Make sure the opaque region was unaffected by the rect drawn during Picture 92 // Make sure the opaque region was unaffected by the rect drawn during Picture
92 // recording. 93 // recording.
93 EXPECT_OPAQUE_PIXELS_ONLY_IN_RECT(bitmap, IntRect(0, 0, 50, 50)) 94 EXPECT_OPAQUE_PIXELS_ONLY_IN_RECT(bitmap, IntRect(0, 0, 50, 50))
94 95
95 canvas.drawPicture(picture.get()); 96 canvas.drawPicture(picture.get());
96 EXPECT_OPAQUE_PIXELS_ONLY_IN_RECT(bitmap, IntRect(0, 0, 100, 100)) 97 EXPECT_OPAQUE_PIXELS_ONLY_IN_RECT(bitmap, IntRect(0, 0, 100, 100))
97 } 98 }
98 99
99 TEST(GraphicsContextTest, UnboundedDrawsAreClipped) { 100 TEST(GraphicsContextTest, UnboundedDrawsAreClipped) {
100 SkBitmap bitmap; 101 SkBitmap bitmap;
101 bitmap.allocN32Pixels(400, 400); 102 bitmap.allocN32Pixels(400, 400);
102 bitmap.eraseColor(0); 103 bitmap.eraseColor(0);
103 SkCanvas canvas(bitmap); 104 SkCanvas bitmapCanvas(bitmap);
105 PaintCanvasPassThrough canvas(&bitmapCanvas);
104 106
105 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); 107 Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
106 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); 108 Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
107 FloatRect bounds(0, 0, 100, 100); 109 FloatRect bounds(0, 0, 100, 100);
108 110
109 std::unique_ptr<PaintController> paintController = PaintController::create(); 111 std::unique_ptr<PaintController> paintController = PaintController::create();
110 GraphicsContext context(*paintController); 112 GraphicsContext context(*paintController);
111 context.beginRecording(bounds); 113 context.beginRecording(bounds);
112 114
113 context.setShouldAntialias(false); 115 context.setShouldAntialias(false);
114 context.setMiterLimit(1); 116 context.setMiterLimit(1);
115 context.setStrokeThickness(5); 117 context.setStrokeThickness(5);
116 context.setLineCap(SquareCap); 118 context.setLineCap(SquareCap);
117 context.setStrokeStyle(SolidStroke); 119 context.setStrokeStyle(SolidStroke);
118 120
119 // Make skia unable to compute fast bounds for our paths. 121 // Make skia unable to compute fast bounds for our paths.
120 DashArray dashArray; 122 DashArray dashArray;
121 dashArray.push_back(1); 123 dashArray.push_back(1);
122 dashArray.push_back(0); 124 dashArray.push_back(0);
123 context.setLineDash(dashArray, 0); 125 context.setLineDash(dashArray, 0);
124 126
125 // Make the device opaque in 10,10 40x40. 127 // Make the device opaque in 10,10 40x40.
126 context.fillRect(FloatRect(10, 10, 40, 40), opaque, SkBlendMode::kSrcOver); 128 context.fillRect(FloatRect(10, 10, 40, 40), opaque, SkBlendMode::kSrcOver);
127 sk_sp<const SkPicture> picture = context.endRecording(); 129 sk_sp<const PaintRecord> picture = context.endRecording();
128 canvas.drawPicture(picture.get()); 130 canvas.drawPicture(picture.get());
129 EXPECT_OPAQUE_PIXELS_ONLY_IN_RECT(bitmap, IntRect(10, 10, 40, 40)); 131 EXPECT_OPAQUE_PIXELS_ONLY_IN_RECT(bitmap, IntRect(10, 10, 40, 40));
130 132
131 context.beginRecording(bounds); 133 context.beginRecording(bounds);
132 // Clip to the left edge of the opaque area. 134 // Clip to the left edge of the opaque area.
133 context.clip(IntRect(10, 10, 10, 40)); 135 context.clip(IntRect(10, 10, 10, 40));
134 136
135 // Draw a path that gets clipped. This should destroy the opaque area, but 137 // Draw a path that gets clipped. This should destroy the opaque area, but
136 // only inside the clip. 138 // only inside the clip.
137 Path path; 139 Path path;
138 path.moveTo(FloatPoint(10, 10)); 140 path.moveTo(FloatPoint(10, 10));
139 path.addLineTo(FloatPoint(40, 40)); 141 path.addLineTo(FloatPoint(40, 40));
140 SkPaint paint; 142 PaintFlags paint;
141 paint.setColor(alpha.rgb()); 143 paint.setColor(alpha.rgb());
142 paint.setBlendMode(SkBlendMode::kSrcOut); 144 paint.setBlendMode(SkBlendMode::kSrcOut);
143 context.drawPath(path.getSkPath(), paint); 145 context.drawPath(path.getSkPath(), paint);
144 146
145 picture = context.endRecording(); 147 picture = context.endRecording();
146 canvas.drawPicture(picture.get()); 148 canvas.drawPicture(picture.get());
147 EXPECT_OPAQUE_PIXELS_IN_RECT(bitmap, IntRect(20, 10, 30, 40)); 149 EXPECT_OPAQUE_PIXELS_IN_RECT(bitmap, IntRect(20, 10, 30, 40));
148 } 150 }
149 151
150 } // namespace blink 152 } // namespace blink
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