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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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/resources/ui_resource_bitmap.h" | 5 #include "cc/resources/ui_resource_bitmap.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "third_party/skia/include/core/SkBitmap.h" | 9 #include "third_party/skia/include/core/SkBitmap.h" |
| 10 #include "third_party/skia/include/core/SkMallocPixelRef.h" | 10 #include "third_party/skia/include/core/SkMallocPixelRef.h" |
| (...skipping 11 matching lines...) Expand all Loading... | |
| 22 format_ = format; | 22 format_ = format; |
| 23 size_ = size; | 23 size_ = size; |
| 24 pixel_ref_ = pixel_ref; | 24 pixel_ref_ = pixel_ref; |
| 25 | 25 |
| 26 // Default values for secondary parameters. | 26 // Default values for secondary parameters. |
| 27 wrap_mode_ = CLAMP_TO_EDGE; | 27 wrap_mode_ = CLAMP_TO_EDGE; |
| 28 opaque_ = (format == ETC1); | 28 opaque_ = (format == ETC1); |
| 29 } | 29 } |
| 30 | 30 |
| 31 UIResourceBitmap::UIResourceBitmap(const SkBitmap& skbitmap) { | 31 UIResourceBitmap::UIResourceBitmap(const SkBitmap& skbitmap) { |
| 32 DCHECK_EQ(skbitmap.config(), SkBitmap::kARGB_8888_Config); | 32 DCHECK_EQ(skbitmap.colorType(), kPMColor_SkColorType); |
| 33 DCHECK_EQ(skbitmap.width(), skbitmap.rowBytesAsPixels()); | 33 DCHECK_EQ(skbitmap.width(), skbitmap.rowBytesAsPixels()); |
| 34 DCHECK(skbitmap.isImmutable()); | 34 DCHECK(skbitmap.isImmutable()); |
| 35 | 35 |
| 36 skia::RefPtr<SkPixelRef> pixel_ref = skia::SharePtr(skbitmap.pixelRef()); | 36 skia::RefPtr<SkPixelRef> pixel_ref = skia::SharePtr(skbitmap.pixelRef()); |
| 37 const SkImageInfo& info = pixel_ref->info(); | 37 const SkImageInfo& info = pixel_ref->info(); |
| 38 Create( | 38 Create( |
| 39 pixel_ref, gfx::Size(info.fWidth, info.fHeight), UIResourceBitmap::RGBA8); | 39 pixel_ref, gfx::Size(info.fWidth, info.fHeight), UIResourceBitmap::RGBA8); |
| 40 | 40 |
| 41 SetOpaque(skbitmap.isOpaque()); | 41 SetOpaque(skbitmap.isOpaque()); |
| 42 } | 42 } |
| 43 | 43 |
| 44 UIResourceBitmap::UIResourceBitmap(int width, int height, bool isOpaque) { | |
| 45 SkAlphaType alphaType = isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType; | |
|
danakj
2014/03/25 16:13:59
alpha_type
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| 46 SkImageInfo info = SkImageInfo::MakeN32(width, height, alphaType); | |
| 47 skia::RefPtr<SkPixelRef> pixel_ref = skia::AdoptRef( | |
| 48 SkMallocPixelRef::NewAllocate(info, info.minRowBytes(), NULL)); | |
| 49 pixel_ref->setImmutable(); | |
| 50 Create(pixel_ref, | |
| 51 gfx::Size(info.width(), info.height()), | |
| 52 UIResourceBitmap::RGBA8); | |
| 53 SetOpaque(isOpaque); | |
| 54 } | |
| 55 | |
| 44 UIResourceBitmap::UIResourceBitmap(const skia::RefPtr<SkPixelRef>& pixel_ref, | 56 UIResourceBitmap::UIResourceBitmap(const skia::RefPtr<SkPixelRef>& pixel_ref, |
| 45 gfx::Size size) { | 57 gfx::Size size) { |
| 46 Create(pixel_ref, size, UIResourceBitmap::ETC1); | 58 Create(pixel_ref, size, UIResourceBitmap::ETC1); |
| 47 } | 59 } |
| 48 | 60 |
| 49 UIResourceBitmap::~UIResourceBitmap() {} | 61 UIResourceBitmap::~UIResourceBitmap() {} |
| 50 | 62 |
| 51 AutoLockUIResourceBitmap::AutoLockUIResourceBitmap( | 63 AutoLockUIResourceBitmap::AutoLockUIResourceBitmap( |
| 52 const UIResourceBitmap& bitmap) : bitmap_(bitmap) { | 64 const UIResourceBitmap& bitmap) : bitmap_(bitmap) { |
| 53 bitmap_.pixel_ref_->lockPixels(); | 65 bitmap_.pixel_ref_->lockPixels(); |
| 54 } | 66 } |
| 55 | 67 |
| 56 AutoLockUIResourceBitmap::~AutoLockUIResourceBitmap() { | 68 AutoLockUIResourceBitmap::~AutoLockUIResourceBitmap() { |
| 57 bitmap_.pixel_ref_->unlockPixels(); | 69 bitmap_.pixel_ref_->unlockPixels(); |
| 58 } | 70 } |
| 59 | 71 |
| 60 const uint8_t* AutoLockUIResourceBitmap::GetPixels() const { | 72 const uint8_t* AutoLockUIResourceBitmap::GetPixels() const { |
| 61 return static_cast<const uint8_t*>(bitmap_.pixel_ref_->pixels()); | 73 return static_cast<const uint8_t*>(bitmap_.pixel_ref_->pixels()); |
| 62 } | 74 } |
| 63 | 75 |
| 64 } // namespace cc | 76 } // namespace cc |
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