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| 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 #include "skia/ext/platform_device.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 | 11 |
| 12 namespace skia { | 12 namespace skia { |
| 13 | 13 |
| 14 void InitializeDC(HDC context) { | |
| 15 // Enables world transformation. | |
| 16 // If the GM_ADVANCED graphics mode is set, GDI always draws arcs in the | |
| 17 // counterclockwise direction in logical space. This is equivalent to the | |
| 18 // statement that, in the GM_ADVANCED graphics mode, both arc control points | |
| 19 // and arcs themselves fully respect the device context's world-to-device | |
| 20 // transformation. | |
| 21 BOOL res = SetGraphicsMode(context, GM_ADVANCED); | |
| 22 SkASSERT(res != 0); | |
| 23 | |
| 24 // Enables dithering. | |
| 25 res = SetStretchBltMode(context, HALFTONE); | |
| 26 SkASSERT(res != 0); | |
| 27 // As per SetStretchBltMode() documentation, SetBrushOrgEx() must be called | |
| 28 // right after. | |
| 29 res = SetBrushOrgEx(context, 0, 0, NULL); | |
| 30 SkASSERT(res != 0); | |
| 31 | |
| 32 // Sets up default orientation. | |
| 33 res = SetArcDirection(context, AD_CLOCKWISE); | |
| 34 SkASSERT(res != 0); | |
| 35 | |
| 36 // Sets up default colors. | |
| 37 res = SetBkColor(context, RGB(255, 255, 255)); | |
| 38 SkASSERT(res != CLR_INVALID); | |
| 39 res = SetTextColor(context, RGB(0, 0, 0)); | |
| 40 SkASSERT(res != CLR_INVALID); | |
| 41 res = SetDCBrushColor(context, RGB(255, 255, 255)); | |
| 42 SkASSERT(res != CLR_INVALID); | |
| 43 res = SetDCPenColor(context, RGB(0, 0, 0)); | |
| 44 SkASSERT(res != CLR_INVALID); | |
| 45 | |
| 46 // Sets up default transparency. | |
| 47 res = SetBkMode(context, OPAQUE); | |
| 48 SkASSERT(res != 0); | |
| 49 res = SetROP2(context, R2_COPYPEN); | |
| 50 SkASSERT(res != 0); | |
| 51 } | |
| 52 | |
| 53 PlatformSurface PlatformDevice::BeginPlatformPaint() { | 14 PlatformSurface PlatformDevice::BeginPlatformPaint() { |
| 54 return 0; | 15 return 0; |
| 55 } | 16 } |
| 56 | 17 |
| 57 void PlatformDevice::EndPlatformPaint() { | 18 void PlatformDevice::EndPlatformPaint() { |
| 58 // We don't clear the DC here since it will be likely to be used again. | 19 // We don't clear the DC here since it will be likely to be used again. |
| 59 // Flushing will be done in onAccessBitmap. | 20 // Flushing will be done in onAccessBitmap. |
| 60 } | 21 } |
| 61 | 22 |
| 62 // static | 23 // static |
| (...skipping 160 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 223 LoadPathToDC(context, path); | 184 LoadPathToDC(context, path); |
| 224 hrgn = PathToRegion(context); | 185 hrgn = PathToRegion(context); |
| 225 } | 186 } |
| 226 int result = SelectClipRgn(context, hrgn); | 187 int result = SelectClipRgn(context, hrgn); |
| 227 SkASSERT(result != ERROR); | 188 SkASSERT(result != ERROR); |
| 228 result = DeleteObject(hrgn); | 189 result = DeleteObject(hrgn); |
| 229 SkASSERT(result != 0); | 190 SkASSERT(result != 0); |
| 230 } | 191 } |
| 231 | 192 |
| 232 } // namespace skia | 193 } // namespace skia |
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