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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 <windows.h> | 5 #include <windows.h> |
6 | 6 |
7 #include "skia/ext/vector_platform_device_emf_win.h" | 7 #include "skia/ext/vector_platform_device_emf_win.h" |
8 | 8 |
9 #include "skia/ext/bitmap_platform_device.h" | 9 #include "skia/ext/bitmap_platform_device.h" |
10 #include "skia/ext/skia_utils_win.h" | 10 #include "skia/ext/skia_utils_win.h" |
11 #include "third_party/skia/include/core/SkUtils.h" | 11 #include "third_party/skia/include/core/SkUtils.h" |
12 | 12 |
13 namespace skia { | 13 namespace skia { |
14 | 14 |
15 SkDevice* VectorPlatformDeviceEmfFactory::newDevice(SkCanvas* unused, | |
16 SkBitmap::Config config, | |
17 int width, int height, | |
18 bool isOpaque, | |
19 bool isForLayer) { | |
20 SkASSERT(config == SkBitmap::kARGB_8888_Config); | |
21 return CreateDevice(width, height, isOpaque, NULL); | |
22 } | |
23 | |
24 //static | 15 //static |
25 PlatformDevice* VectorPlatformDeviceEmfFactory::CreateDevice( | 16 PlatformDevice* VectorPlatformDeviceEmf::CreateDevice(int width, int height, |
26 int width, int height, bool is_opaque, HANDLE shared_section) { | 17 bool is_opaque, |
| 18 HANDLE shared_section) { |
27 if (!is_opaque) { | 19 if (!is_opaque) { |
28 // TODO(maruel): http://crbug.com/18382 When restoring a semi-transparent | 20 // TODO(maruel): http://crbug.com/18382 When restoring a semi-transparent |
29 // layer, i.e. merging it, we need to rasterize it because GDI doesn't | 21 // layer, i.e. merging it, we need to rasterize it because GDI doesn't |
30 // support transparency except for AlphaBlend(). Right now, a | 22 // support transparency except for AlphaBlend(). Right now, a |
31 // BitmapPlatformDevice is created when VectorCanvas think a saveLayers() | 23 // BitmapPlatformDevice is created when VectorCanvas think a saveLayers() |
32 // call is being done. The way to save a layer would be to create an | 24 // call is being done. The way to save a layer would be to create an |
33 // EMF-based VectorDevice and have this device registers the drawing. When | 25 // EMF-based VectorDevice and have this device registers the drawing. When |
34 // playing back the device into a bitmap, do it at the printer's dpi instead | 26 // playing back the device into a bitmap, do it at the printer's dpi instead |
35 // of the layout's dpi (which is much lower). | 27 // of the layout's dpi (which is much lower). |
36 return BitmapPlatformDevice::create(width, height, is_opaque, | 28 return BitmapPlatformDevice::create(width, height, is_opaque, |
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108 previous_pen_(NULL), | 100 previous_pen_(NULL), |
109 alpha_blend_used_(false) { | 101 alpha_blend_used_(false) { |
110 transform_.reset(); | 102 transform_.reset(); |
111 } | 103 } |
112 | 104 |
113 VectorPlatformDeviceEmf::~VectorPlatformDeviceEmf() { | 105 VectorPlatformDeviceEmf::~VectorPlatformDeviceEmf() { |
114 SkASSERT(previous_brush_ == NULL); | 106 SkASSERT(previous_brush_ == NULL); |
115 SkASSERT(previous_pen_ == NULL); | 107 SkASSERT(previous_pen_ == NULL); |
116 } | 108 } |
117 | 109 |
118 SkDeviceFactory* VectorPlatformDeviceEmf::onNewDeviceFactory() { | |
119 return SkNEW(VectorPlatformDeviceEmfFactory); | |
120 } | |
121 | |
122 HDC VectorPlatformDeviceEmf::BeginPlatformPaint() { | 110 HDC VectorPlatformDeviceEmf::BeginPlatformPaint() { |
123 return hdc_; | 111 return hdc_; |
124 } | 112 } |
125 | 113 |
126 uint32_t VectorPlatformDeviceEmf::getDeviceCapabilities() { | 114 uint32_t VectorPlatformDeviceEmf::getDeviceCapabilities() { |
127 return SkDevice::getDeviceCapabilities() | kVector_Capability; | 115 return SkDevice::getDeviceCapabilities() | kVector_Capability; |
128 } | 116 } |
129 | 117 |
130 void VectorPlatformDeviceEmf::drawPaint(const SkDraw& draw, | 118 void VectorPlatformDeviceEmf::drawPaint(const SkDraw& draw, |
131 const SkPaint& paint) { | 119 const SkPaint& paint) { |
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443 const RECT* src_rect) { | 431 const RECT* src_rect) { |
444 SkASSERT(false); | 432 SkASSERT(false); |
445 } | 433 } |
446 | 434 |
447 void VectorPlatformDeviceEmf::LoadClipRegion() { | 435 void VectorPlatformDeviceEmf::LoadClipRegion() { |
448 SkMatrix t; | 436 SkMatrix t; |
449 t.reset(); | 437 t.reset(); |
450 LoadClippingRegionToDC(hdc_, clip_region_, t); | 438 LoadClippingRegionToDC(hdc_, clip_region_, t); |
451 } | 439 } |
452 | 440 |
| 441 SkDevice* VectorPlatformDeviceEmf::onCreateCompatibleDevice( |
| 442 SkBitmap::Config config, int width, int height, bool isOpaque, |
| 443 Usage /*usage*/) { |
| 444 SkASSERT(config == SkBitmap::kARGB_8888_Config); |
| 445 return VectorPlatformDeviceEmf::CreateDevice(width, height, isOpaque, NULL); |
| 446 } |
| 447 |
453 bool VectorPlatformDeviceEmf::CreateBrush(bool use_brush, COLORREF color) { | 448 bool VectorPlatformDeviceEmf::CreateBrush(bool use_brush, COLORREF color) { |
454 SkASSERT(previous_brush_ == NULL); | 449 SkASSERT(previous_brush_ == NULL); |
455 // We can't use SetDCBrushColor() or DC_BRUSH when drawing to a EMF buffer. | 450 // We can't use SetDCBrushColor() or DC_BRUSH when drawing to a EMF buffer. |
456 // SetDCBrushColor() calls are not recorded at all and DC_BRUSH will use | 451 // SetDCBrushColor() calls are not recorded at all and DC_BRUSH will use |
457 // WHITE_BRUSH instead. | 452 // WHITE_BRUSH instead. |
458 | 453 |
459 if (!use_brush) { | 454 if (!use_brush) { |
460 // Set the transparency. | 455 // Set the transparency. |
461 if (0 == SetBkMode(hdc_, TRANSPARENT)) { | 456 if (0 == SetBkMode(hdc_, TRANSPARENT)) { |
462 SkASSERT(false); | 457 SkASSERT(false); |
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732 DIB_RGB_COLORS, | 727 DIB_RGB_COLORS, |
733 SRCCOPY); | 728 SRCCOPY); |
734 SkASSERT(result); | 729 SkASSERT(result); |
735 } | 730 } |
736 EndPlatformPaint(); | 731 EndPlatformPaint(); |
737 Cleanup(); | 732 Cleanup(); |
738 } | 733 } |
739 | 734 |
740 } // namespace skia | 735 } // namespace skia |
741 | 736 |
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