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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 |
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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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