OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #import <Cocoa/Cocoa.h> | 5 #import <Cocoa/Cocoa.h> |
6 | 6 |
7 #include "content/browser/renderer_host/backing_store_mac.h" | 7 #include "content/browser/renderer_host/backing_store_mac.h" |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/mac/mac_util.h" | 10 #include "base/mac/mac_util.h" |
11 #include "base/mac/scoped_cftyperef.h" | 11 #include "base/mac/scoped_cftyperef.h" |
12 #include "content/browser/renderer_host/render_process_host_impl.h" | 12 #include "content/browser/renderer_host/render_process_host_impl.h" |
13 #include "content/browser/renderer_host/render_widget_host_impl.h" | 13 #include "content/browser/renderer_host/render_widget_host_impl.h" |
14 #include "content/public/browser/render_widget_host_view.h" | 14 #include "content/public/browser/render_widget_host_view.h" |
15 #include "skia/ext/platform_canvas.h" | 15 #include "skia/ext/platform_canvas.h" |
16 #include "third_party/skia/include/core/SkBitmap.h" | 16 #include "third_party/skia/include/core/SkBitmap.h" |
17 #include "third_party/skia/include/core/SkCanvas.h" | 17 #include "third_party/skia/include/core/SkCanvas.h" |
18 #include "ui/gfx/rect.h" | 18 #include "ui/gfx/rect.h" |
| 19 #include "ui/gfx/rect_conversions.h" |
19 #include "ui/gfx/scoped_cg_context_save_gstate_mac.h" | 20 #include "ui/gfx/scoped_cg_context_save_gstate_mac.h" |
20 #include "ui/surface/transport_dib.h" | 21 #include "ui/surface/transport_dib.h" |
21 | 22 |
22 namespace content { | 23 namespace content { |
23 | 24 |
24 // Mac Backing Stores: | 25 // Mac Backing Stores: |
25 // | 26 // |
26 // Since backing stores are only ever written to or drawn into windows, we keep | 27 // Since backing stores are only ever written to or drawn into windows, we keep |
27 // our backing store in a CGLayer that can get cached in GPU memory. This | 28 // our backing store in a CGLayer that can get cached in GPU memory. This |
28 // allows acclerated drawing into the layer and lets scrolling and such happen | 29 // allows acclerated drawing into the layer and lets scrolling and such happen |
(...skipping 49 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
78 const base::Closure& completion_callback, | 79 const base::Closure& completion_callback, |
79 bool* scheduled_completion_callback) { | 80 bool* scheduled_completion_callback) { |
80 *scheduled_completion_callback = false; | 81 *scheduled_completion_callback = false; |
81 DCHECK_NE(static_cast<bool>(cg_layer()), static_cast<bool>(cg_bitmap())); | 82 DCHECK_NE(static_cast<bool>(cg_layer()), static_cast<bool>(cg_bitmap())); |
82 | 83 |
83 TransportDIB* dib = process->GetTransportDIB(bitmap); | 84 TransportDIB* dib = process->GetTransportDIB(bitmap); |
84 if (!dib) | 85 if (!dib) |
85 return; | 86 return; |
86 | 87 |
87 gfx::Size pixel_size = size().Scale(device_scale_factor_); | 88 gfx::Size pixel_size = size().Scale(device_scale_factor_); |
88 gfx::Rect pixel_bitmap_rect = bitmap_rect.Scale(scale_factor); | 89 gfx::Rect pixel_bitmap_rect = |
| 90 gfx::ToEnclosingRect(bitmap_rect.Scale(scale_factor)); |
89 | 91 |
90 size_t bitmap_byte_count = | 92 size_t bitmap_byte_count = |
91 pixel_bitmap_rect.width() * pixel_bitmap_rect.height() * 4; | 93 pixel_bitmap_rect.width() * pixel_bitmap_rect.height() * 4; |
92 DCHECK_GE(dib->size(), bitmap_byte_count); | 94 DCHECK_GE(dib->size(), bitmap_byte_count); |
93 | 95 |
94 base::mac::ScopedCFTypeRef<CGDataProviderRef> data_provider( | 96 base::mac::ScopedCFTypeRef<CGDataProviderRef> data_provider( |
95 CGDataProviderCreateWithData(NULL, dib->memory(), | 97 CGDataProviderCreateWithData(NULL, dib->memory(), |
96 bitmap_byte_count, NULL)); | 98 bitmap_byte_count, NULL)); |
97 | 99 |
98 base::mac::ScopedCFTypeRef<CGImageRef> bitmap_image( | 100 base::mac::ScopedCFTypeRef<CGImageRef> bitmap_image( |
99 CGImageCreate(pixel_bitmap_rect.width(), pixel_bitmap_rect.height(), | 101 CGImageCreate(pixel_bitmap_rect.width(), pixel_bitmap_rect.height(), |
100 8, 32, 4 * pixel_bitmap_rect.width(), | 102 8, 32, 4 * pixel_bitmap_rect.width(), |
101 base::mac::GetSystemColorSpace(), | 103 base::mac::GetSystemColorSpace(), |
102 kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host, | 104 kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host, |
103 data_provider, NULL, false, kCGRenderingIntentDefault)); | 105 data_provider, NULL, false, kCGRenderingIntentDefault)); |
104 | 106 |
105 for (size_t i = 0; i < copy_rects.size(); i++) { | 107 for (size_t i = 0; i < copy_rects.size(); i++) { |
106 const gfx::Rect& copy_rect = copy_rects[i]; | 108 const gfx::Rect& copy_rect = copy_rects[i]; |
107 gfx::Rect pixel_copy_rect = copy_rect.Scale(scale_factor); | 109 gfx::Rect pixel_copy_rect = |
| 110 gfx::ToEnclosingRect(copy_rect.Scale(scale_factor)); |
108 | 111 |
109 // Only the subpixels given by copy_rect have pixels to copy. | 112 // Only the subpixels given by copy_rect have pixels to copy. |
110 base::mac::ScopedCFTypeRef<CGImageRef> image( | 113 base::mac::ScopedCFTypeRef<CGImageRef> image( |
111 CGImageCreateWithImageInRect(bitmap_image, CGRectMake( | 114 CGImageCreateWithImageInRect(bitmap_image, CGRectMake( |
112 pixel_copy_rect.x() - pixel_bitmap_rect.x(), | 115 pixel_copy_rect.x() - pixel_bitmap_rect.x(), |
113 pixel_copy_rect.y() - pixel_bitmap_rect.y(), | 116 pixel_copy_rect.y() - pixel_bitmap_rect.y(), |
114 pixel_copy_rect.width(), | 117 pixel_copy_rect.width(), |
115 pixel_copy_rect.height()))); | 118 pixel_copy_rect.height()))); |
116 | 119 |
117 if (!cg_layer()) { | 120 if (!cg_layer()) { |
(...skipping 143 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
261 8, pixel_size.width() * 4, | 264 8, pixel_size.width() * 4, |
262 base::mac::GetSystemColorSpace(), | 265 base::mac::GetSystemColorSpace(), |
263 kCGImageAlphaPremultipliedFirst | | 266 kCGImageAlphaPremultipliedFirst | |
264 kCGBitmapByteOrder32Host); | 267 kCGBitmapByteOrder32Host); |
265 DCHECK(context); | 268 DCHECK(context); |
266 | 269 |
267 return context; | 270 return context; |
268 } | 271 } |
269 | 272 |
270 } // namespace content | 273 } // namespace content |
OLD | NEW |