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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 "skia/ext/platform_device_win.h" | 5 #include "skia/ext/platform_device.h" |
| 6 | 6 |
| 7 #include "skia/ext/skia_utils_win.h" | 7 #include "skia/ext/skia_utils_win.h" |
| 8 #include "third_party/skia/include/core/SkMatrix.h" | 8 #include "third_party/skia/include/core/SkMatrix.h" |
| 9 #include "third_party/skia/include/core/SkPath.h" | 9 #include "third_party/skia/include/core/SkPath.h" |
| 10 #include "third_party/skia/include/core/SkRegion.h" | 10 #include "third_party/skia/include/core/SkRegion.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 PlatformDevice::PlatformDevice(const SkBitmap& bitmap) | 15 void InitializeDC(HDC context) { |
| 16 : SkDevice(NULL, bitmap, /*isForLayer=*/false) { | |
| 17 } | |
| 18 | |
| 19 void PlatformDevice::EndPlatformPaint() { | |
| 20 // We don't clear the DC here since it will be likely to be used again. | |
| 21 // Flushing will be done in onAccessBitmap. | |
| 22 } | |
| 23 | |
| 24 // static | |
| 25 void PlatformDevice::InitializeDC(HDC context) { | |
| 26 // Enables world transformation. | 16 // Enables world transformation. |
| 27 // If the GM_ADVANCED graphics mode is set, GDI always draws arcs in the | 17 // If the GM_ADVANCED graphics mode is set, GDI always draws arcs in the |
| 28 // counterclockwise direction in logical space. This is equivalent to the | 18 // counterclockwise direction in logical space. This is equivalent to the |
| 29 // statement that, in the GM_ADVANCED graphics mode, both arc control points | 19 // statement that, in the GM_ADVANCED graphics mode, both arc control points |
| 30 // and arcs themselves fully respect the device context's world-to-device | 20 // and arcs themselves fully respect the device context's world-to-device |
| 31 // transformation. | 21 // transformation. |
| 32 BOOL res = SetGraphicsMode(context, GM_ADVANCED); | 22 BOOL res = SetGraphicsMode(context, GM_ADVANCED); |
| 33 SkASSERT(res != 0); | 23 SkASSERT(res != 0); |
| 34 | 24 |
| 35 // Enables dithering. | 25 // Enables dithering. |
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| 54 res = SetDCPenColor(context, RGB(0, 0, 0)); | 44 res = SetDCPenColor(context, RGB(0, 0, 0)); |
| 55 SkASSERT(res != CLR_INVALID); | 45 SkASSERT(res != CLR_INVALID); |
| 56 | 46 |
| 57 // Sets up default transparency. | 47 // Sets up default transparency. |
| 58 res = SetBkMode(context, OPAQUE); | 48 res = SetBkMode(context, OPAQUE); |
| 59 SkASSERT(res != 0); | 49 SkASSERT(res != 0); |
| 60 res = SetROP2(context, R2_COPYPEN); | 50 res = SetROP2(context, R2_COPYPEN); |
| 61 SkASSERT(res != 0); | 51 SkASSERT(res != 0); |
| 62 } | 52 } |
| 63 | 53 |
| 54 PlatformDevice::PlatformDevice(const SkBitmap& bitmap) |
| 55 : SkDevice(NULL, bitmap, /*isForLayer=*/false) { |
| 56 SetPlatformDevice(this, this); |
| 57 } |
| 58 |
| 59 void PlatformDevice::EndPlatformPaint() { |
| 60 // We don't clear the DC here since it will be likely to be used again. |
| 61 // Flushing will be done in onAccessBitmap. |
| 62 } |
| 63 |
| 64 // static | 64 // static |
| 65 void PlatformDevice::LoadPathToDC(HDC context, const SkPath& path) { | 65 void PlatformDevice::LoadPathToDC(HDC context, const SkPath& path) { |
| 66 switch (path.getFillType()) { | 66 switch (path.getFillType()) { |
| 67 case SkPath::kWinding_FillType: { | 67 case SkPath::kWinding_FillType: { |
| 68 int res = SetPolyFillMode(context, WINDING); | 68 int res = SetPolyFillMode(context, WINDING); |
| 69 SkASSERT(res != 0); | 69 SkASSERT(res != 0); |
| 70 break; | 70 break; |
| 71 } | 71 } |
| 72 case SkPath::kEvenOdd_FillType: { | 72 case SkPath::kEvenOdd_FillType: { |
| 73 int res = SetPolyFillMode(context, ALTERNATE); | 73 int res = SetPolyFillMode(context, ALTERNATE); |
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| 224 hrgn = PathToRegion(context); | 224 hrgn = PathToRegion(context); |
| 225 } | 225 } |
| 226 int result = SelectClipRgn(context, hrgn); | 226 int result = SelectClipRgn(context, hrgn); |
| 227 SkASSERT(result != ERROR); | 227 SkASSERT(result != ERROR); |
| 228 result = DeleteObject(hrgn); | 228 result = DeleteObject(hrgn); |
| 229 SkASSERT(result != 0); | 229 SkASSERT(result != 0); |
| 230 } | 230 } |
| 231 | 231 |
| 232 } // namespace skia | 232 } // namespace skia |
| 233 | 233 |
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