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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "platform/graphics/paint/DrawingDisplayItem.h" | 5 #include "platform/graphics/paint/DrawingDisplayItem.h" |
6 | 6 |
7 #include "platform/graphics/GraphicsContext.h" | 7 #include "platform/graphics/GraphicsContext.h" |
8 #include "platform/graphics/paint/PaintCanvas.h" | 8 #include "platform/graphics/paint/PaintCanvas.h" |
9 #include "public/platform/WebDisplayItemList.h" | 9 #include "public/platform/WebDisplayItemList.h" |
10 #include "third_party/skia/include/core/SkBitmap.h" | 10 #include "third_party/skia/include/core/SkBitmap.h" |
11 #include "third_party/skia/include/core/SkCanvas.h" | 11 #include "third_party/skia/include/core/SkCanvas.h" |
12 #include "third_party/skia/include/core/SkData.h" | 12 #include "third_party/skia/include/core/SkData.h" |
13 #include "third_party/skia/include/core/SkPictureAnalyzer.h" | 13 #include "third_party/skia/include/core/SkPictureAnalyzer.h" |
14 | 14 |
15 namespace blink { | 15 namespace blink { |
16 | 16 |
17 void DrawingDisplayItem::replay(GraphicsContext& context) const { | 17 void DrawingDisplayItem::replay(GraphicsContext& context) const { |
18 if (m_record) | 18 if (m_record) |
19 context.drawRecord(m_record.get()); | 19 context.drawRecord(m_record); |
20 } | 20 } |
21 | 21 |
22 void DrawingDisplayItem::appendToWebDisplayItemList( | 22 void DrawingDisplayItem::appendToWebDisplayItemList( |
23 const IntRect& visualRect, | 23 const IntRect& visualRect, |
24 WebDisplayItemList* list) const { | 24 WebDisplayItemList* list) const { |
25 if (m_record) | 25 if (m_record) |
26 list->appendDrawingItem(visualRect, m_record); | 26 list->appendDrawingItem(visualRect, m_record); |
27 } | 27 } |
28 | 28 |
29 bool DrawingDisplayItem::drawsContent() const { | 29 bool DrawingDisplayItem::drawsContent() const { |
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57 const PaintRecord* record2) { | 57 const PaintRecord* record2) { |
58 if (record1->approximateOpCount() != record2->approximateOpCount()) | 58 if (record1->approximateOpCount() != record2->approximateOpCount()) |
59 return false; | 59 return false; |
60 | 60 |
61 // TODO(enne): PaintRecord should have an operator== | 61 // TODO(enne): PaintRecord should have an operator== |
62 sk_sp<SkData> data1 = ToSkPicture(record1)->serialize(); | 62 sk_sp<SkData> data1 = ToSkPicture(record1)->serialize(); |
63 sk_sp<SkData> data2 = ToSkPicture(record2)->serialize(); | 63 sk_sp<SkData> data2 = ToSkPicture(record2)->serialize(); |
64 return data1->equals(data2.get()); | 64 return data1->equals(data2.get()); |
65 } | 65 } |
66 | 66 |
67 static SkBitmap recordToBitmap(const PaintRecord* record) { | 67 static SkBitmap recordToBitmap(sk_sp<const PaintRecord> record) { |
68 SkBitmap bitmap; | 68 SkBitmap bitmap; |
69 SkRect rect = record->cullRect(); | 69 SkRect rect = record->cullRect(); |
70 bitmap.allocPixels(SkImageInfo::MakeN32Premul(rect.width(), rect.height())); | 70 bitmap.allocPixels(SkImageInfo::MakeN32Premul(rect.width(), rect.height())); |
71 SkiaPaintCanvas canvas(bitmap); | 71 SkiaPaintCanvas canvas(bitmap); |
72 canvas.clear(SK_ColorTRANSPARENT); | 72 canvas.clear(SK_ColorTRANSPARENT); |
73 canvas.translate(-rect.x(), -rect.y()); | 73 canvas.translate(-rect.x(), -rect.y()); |
74 canvas.drawPicture(record); | 74 canvas.drawPicture(std::move(record)); |
75 return bitmap; | 75 return bitmap; |
76 } | 76 } |
77 | 77 |
78 static bool bitmapsEqual(const PaintRecord* record1, | 78 static bool bitmapsEqual(sk_sp<const PaintRecord> record1, |
79 const PaintRecord* record2) { | 79 sk_sp<const PaintRecord> record2) { |
80 SkRect rect = record1->cullRect(); | 80 SkRect rect = record1->cullRect(); |
81 if (rect != record2->cullRect()) | 81 if (rect != record2->cullRect()) |
82 return false; | 82 return false; |
83 | 83 |
84 SkBitmap bitmap1 = recordToBitmap(record1); | 84 SkBitmap bitmap1 = recordToBitmap(record1); |
85 SkBitmap bitmap2 = recordToBitmap(record2); | 85 SkBitmap bitmap2 = recordToBitmap(record2); |
86 bitmap1.lockPixels(); | 86 bitmap1.lockPixels(); |
87 bitmap2.lockPixels(); | 87 bitmap2.lockPixels(); |
88 int mismatchCount = 0; | 88 int mismatchCount = 0; |
89 const int maxMismatches = 10; | 89 const int maxMismatches = 10; |
(...skipping 10 matching lines...) Expand all Loading... |
100 } | 100 } |
101 bitmap1.unlockPixels(); | 101 bitmap1.unlockPixels(); |
102 bitmap2.unlockPixels(); | 102 bitmap2.unlockPixels(); |
103 return !mismatchCount; | 103 return !mismatchCount; |
104 } | 104 } |
105 | 105 |
106 bool DrawingDisplayItem::equals(const DisplayItem& other) const { | 106 bool DrawingDisplayItem::equals(const DisplayItem& other) const { |
107 if (!DisplayItem::equals(other)) | 107 if (!DisplayItem::equals(other)) |
108 return false; | 108 return false; |
109 | 109 |
110 const PaintRecord* record = this->GetPaintRecord(); | 110 const sk_sp<const PaintRecord>& record = this->GetPaintRecord(); |
111 const PaintRecord* otherRecord = | 111 const sk_sp<const PaintRecord>& otherRecord = |
112 static_cast<const DrawingDisplayItem&>(other).GetPaintRecord(); | 112 static_cast<const DrawingDisplayItem&>(other).GetPaintRecord(); |
113 | 113 |
114 if (!record && !otherRecord) | 114 if (!record && !otherRecord) |
115 return true; | 115 return true; |
116 if (!record || !otherRecord) | 116 if (!record || !otherRecord) |
117 return false; | 117 return false; |
118 | 118 |
119 if (recordsEqual(record, otherRecord)) | 119 if (recordsEqual(record.get(), otherRecord.get())) |
120 return true; | 120 return true; |
121 | 121 |
122 // Sometimes the client may produce different records for the same visual | 122 // Sometimes the client may produce different records for the same visual |
123 // result, which should be treated as equal. | 123 // result, which should be treated as equal. |
124 return bitmapsEqual(record, otherRecord); | 124 return bitmapsEqual(std::move(record), std::move(otherRecord)); |
125 } | 125 } |
126 | 126 |
127 } // namespace blink | 127 } // namespace blink |
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