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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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/PlaceholderImage.h" | 5 #include "platform/graphics/PlaceholderImage.h" |
6 | 6 |
7 #include "platform/geometry/FloatRect.h" | 7 #include "platform/geometry/FloatRect.h" |
8 #include "platform/graphics/Color.h" | 8 #include "platform/graphics/Color.h" |
9 #include "platform/graphics/GraphicsContext.h" | |
10 #include "platform/graphics/ImageObserver.h" | 9 #include "platform/graphics/ImageObserver.h" |
11 #include "platform/graphics/paint/PaintRecord.h" | 10 #include "platform/graphics/paint/PaintRecord.h" |
12 #include "platform/graphics/paint/PaintRecordBuilder.h" | 11 #include "platform/graphics/paint/PaintRecorder.h" |
13 #include "third_party/skia/include/core/SkColor.h" | 12 #include "third_party/skia/include/core/SkColor.h" |
14 #include "third_party/skia/include/core/SkRect.h" | 13 #include "third_party/skia/include/core/SkRect.h" |
15 #include "third_party/skia/include/core/SkSize.h" | 14 #include "third_party/skia/include/core/SkSize.h" |
16 | 15 |
17 namespace blink { | 16 namespace blink { |
18 | 17 |
19 namespace { | 18 namespace { |
20 | 19 |
21 // Gray with 40% opacity. | 20 // Gray with 40% opacity. |
22 const RGBA32 kFillColor = 0x66808080; | 21 const RGBA32 kFillColor = 0x66808080; |
23 | 22 |
24 } // namespace | 23 } // namespace |
25 | 24 |
26 PlaceholderImage::~PlaceholderImage() {} | 25 PlaceholderImage::~PlaceholderImage() {} |
27 | 26 |
28 sk_sp<SkImage> PlaceholderImage::ImageForCurrentFrame() { | 27 sk_sp<SkImage> PlaceholderImage::ImageForCurrentFrame() { |
29 if (image_for_current_frame_) | 28 if (image_for_current_frame_) |
30 return image_for_current_frame_; | 29 return image_for_current_frame_; |
31 | 30 |
32 const FloatRect dest_rect(0.0f, 0.0f, static_cast<float>(size_.Width()), | 31 const FloatRect dest_rect(0.0f, 0.0f, static_cast<float>(size_.Width()), |
33 static_cast<float>(size_.Height())); | 32 static_cast<float>(size_.Height())); |
34 PaintRecordBuilder builder(dest_rect); | 33 PaintRecorder paint_recorder; |
35 GraphicsContext& context = builder.Context(); | 34 Draw(paint_recorder.beginRecording(dest_rect), PaintFlags(), dest_rect, |
36 context.BeginRecording(dest_rect); | 35 dest_rect, kDoNotRespectImageOrientation, kClampImageToSourceRect); |
37 | |
38 context.SetFillColor(kFillColor); | |
39 context.FillRect(dest_rect); | |
40 | 36 |
41 image_for_current_frame_ = SkImage::MakeFromPicture( | 37 image_for_current_frame_ = SkImage::MakeFromPicture( |
42 ToSkPicture(builder.EndRecording()), | 38 ToSkPicture(paint_recorder.finishRecordingAsPicture()), |
43 SkISize::Make(size_.Width(), size_.Height()), nullptr, nullptr, | 39 SkISize::Make(size_.Width(), size_.Height()), nullptr, nullptr, |
44 SkImage::BitDepth::kU8, SkColorSpace::MakeSRGB()); | 40 SkImage::BitDepth::kU8, SkColorSpace::MakeSRGB()); |
45 | 41 |
46 return image_for_current_frame_; | 42 return image_for_current_frame_; |
47 } | 43 } |
48 | 44 |
49 void PlaceholderImage::Draw(PaintCanvas* canvas, | 45 void PlaceholderImage::Draw(PaintCanvas* canvas, |
50 const PaintFlags& base_flags, | 46 const PaintFlags& base_flags, |
51 const FloatRect& dest_rect, | 47 const FloatRect& dest_rect, |
52 const FloatRect& src_rect, | 48 const FloatRect& src_rect, |
53 RespectImageOrientationEnum, | 49 RespectImageOrientationEnum, |
54 ImageClampingMode) { | 50 ImageClampingMode) { |
55 if (!src_rect.Intersects(FloatRect(0.0f, 0.0f, | 51 if (!src_rect.Intersects(FloatRect(0.0f, 0.0f, |
56 static_cast<float>(size_.Width()), | 52 static_cast<float>(size_.Width()), |
57 static_cast<float>(size_.Height())))) { | 53 static_cast<float>(size_.Height())))) { |
58 return; | 54 return; |
59 } | 55 } |
60 | 56 |
61 PaintFlags flags(base_flags); | 57 PaintFlags flags(base_flags); |
62 flags.setStyle(PaintFlags::kFill_Style); | 58 flags.setStyle(PaintFlags::kFill_Style); |
63 flags.setColor(kFillColor); | 59 flags.setColor(kFillColor); |
64 canvas->drawRect(dest_rect, flags); | 60 canvas->drawRect(dest_rect, flags); |
65 } | 61 } |
66 | 62 |
67 void PlaceholderImage::DestroyDecodedData() { | 63 void PlaceholderImage::DestroyDecodedData() { |
68 image_for_current_frame_.reset(); | 64 image_for_current_frame_.reset(); |
69 } | 65 } |
70 | 66 |
71 } // namespace blink | 67 } // namespace blink |
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