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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 "cc/layers/painted_overlay_scrollbar_layer.h" | 5 #include "cc/layers/painted_overlay_scrollbar_layer.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/auto_reset.h" | 9 #include "base/auto_reset.h" |
10 #include "cc/base/math_util.h" | 10 #include "cc/base/math_util.h" |
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133 return false; | 133 return false; |
134 | 134 |
135 gfx::Rect paint_rect = OriginThumbRectForPainting(); | 135 gfx::Rect paint_rect = OriginThumbRectForPainting(); |
136 aperture_ = scrollbar_->NinePatchThumbAperture(); | 136 aperture_ = scrollbar_->NinePatchThumbAperture(); |
137 | 137 |
138 DCHECK(!paint_rect.size().IsEmpty()); | 138 DCHECK(!paint_rect.size().IsEmpty()); |
139 DCHECK(paint_rect.origin().IsOrigin()); | 139 DCHECK(paint_rect.origin().IsOrigin()); |
140 | 140 |
141 SkBitmap skbitmap; | 141 SkBitmap skbitmap; |
142 skbitmap.allocN32Pixels(paint_rect.width(), paint_rect.height()); | 142 skbitmap.allocN32Pixels(paint_rect.width(), paint_rect.height()); |
143 SkCanvas skcanvas(skbitmap); | 143 PaintCanvas canvas(skbitmap); |
144 | 144 |
145 SkRect content_skrect = RectToSkRect(paint_rect); | 145 SkRect content_skrect = RectToSkRect(paint_rect); |
146 SkPaint paint; | 146 PaintFlags flags; |
147 paint.setAntiAlias(false); | 147 flags.setAntiAlias(false); |
148 paint.setBlendMode(SkBlendMode::kClear); | 148 flags.setBlendMode(SkBlendMode::kClear); |
149 skcanvas.drawRect(content_skrect, paint); | 149 canvas.drawRect(content_skrect, flags); |
150 skcanvas.clipRect(content_skrect); | 150 canvas.clipRect(content_skrect); |
151 | 151 |
152 scrollbar_->PaintPart(&skcanvas, THUMB, paint_rect); | 152 scrollbar_->PaintPart(&canvas, THUMB, paint_rect); |
153 // Make sure that the pixels are no longer mutable to unavoid unnecessary | 153 // Make sure that the pixels are no longer mutable to unavoid unnecessary |
154 // allocation and copying. | 154 // allocation and copying. |
155 skbitmap.setImmutable(); | 155 skbitmap.setImmutable(); |
156 | 156 |
157 thumb_resource_ = ScopedUIResource::Create( | 157 thumb_resource_ = ScopedUIResource::Create( |
158 layer_tree_host()->GetUIResourceManager(), UIResourceBitmap(skbitmap)); | 158 layer_tree_host()->GetUIResourceManager(), UIResourceBitmap(skbitmap)); |
159 | 159 |
160 SetNeedsPushProperties(); | 160 SetNeedsPushProperties(); |
161 | 161 |
162 return true; | 162 return true; |
163 } | 163 } |
164 | 164 |
165 } // namespace cc | 165 } // namespace cc |
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