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1 /* | 1 /* |
2 * Copyright 2006-2012 The Android Open Source Project | 2 * Copyright 2006-2012 The Android Open Source Project |
3 * Copyright 2012 Mozilla Foundation | 3 * Copyright 2012 Mozilla Foundation |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #ifndef SKFONTHOST_FREETYPE_COMMON_H_ | 9 #ifndef SKFONTHOST_FREETYPE_COMMON_H_ |
10 #define SKFONTHOST_FREETYPE_COMMON_H_ | 10 #define SKFONTHOST_FREETYPE_COMMON_H_ |
11 | 11 |
12 #include "SkGlyph.h" | 12 #include "SkGlyph.h" |
13 #include "SkScalerContext.h" | 13 #include "SkScalerContext.h" |
14 #include "SkTypeface.h" | 14 #include "SkTypeface.h" |
15 #include "SkTypes.h" | 15 #include "SkTypes.h" |
16 | 16 |
17 #include <ft2build.h> | 17 #include <ft2build.h> |
18 #include FT_FREETYPE_H | 18 #include FT_FREETYPE_H |
19 | 19 |
20 #ifdef SK_DEBUG | |
21 #define SkASSERT_CONTINUE(pred)
\ | |
22 do {
\ | |
23 if (!(pred))
\ | |
24 SkDebugf("file %s:%d: assert failed '" #pred "'\n", __FILE__, __
LINE__); \ | |
25 } while (false) | |
26 #else | |
27 #define SkASSERT_CONTINUE(pred) | |
28 #endif | |
29 | |
30 class SkScalerContext_FreeType_Base : public SkScalerContext { | 20 class SkScalerContext_FreeType_Base : public SkScalerContext { |
31 protected: | 21 protected: |
32 // See http://freetype.sourceforge.net/freetype2/docs/reference/ft2-bitmap_h
andling.html#FT_Bitmap_Embolden | 22 // See http://freetype.sourceforge.net/freetype2/docs/reference/ft2-bitmap_h
andling.html#FT_Bitmap_Embolden |
33 // This value was chosen by eyeballing the result in Firefox and trying to m
atch it. | 23 // This value was chosen by eyeballing the result in Firefox and trying to m
atch it. |
34 static const FT_Pos kBitmapEmboldenStrength = 1 << 6; | 24 static const FT_Pos kBitmapEmboldenStrength = 1 << 6; |
35 | 25 |
36 SkScalerContext_FreeType_Base(SkTypeface* typeface, const SkDescriptor *desc
) | 26 SkScalerContext_FreeType_Base(SkTypeface* typeface, const SkDescriptor *desc
) |
37 : INHERITED(typeface, desc) | 27 : INHERITED(typeface, desc) |
38 {} | 28 {} |
39 | 29 |
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87 virtual size_t onGetTableData(SkFontTableTag, size_t offset, | 77 virtual size_t onGetTableData(SkFontTableTag, size_t offset, |
88 size_t length, void* data) const SK_OVERRIDE; | 78 size_t length, void* data) const SK_OVERRIDE; |
89 | 79 |
90 private: | 80 private: |
91 mutable int fGlyphCount; | 81 mutable int fGlyphCount; |
92 | 82 |
93 typedef SkTypeface INHERITED; | 83 typedef SkTypeface INHERITED; |
94 }; | 84 }; |
95 | 85 |
96 #endif // SKFONTHOST_FREETYPE_COMMON_H_ | 86 #endif // SKFONTHOST_FREETYPE_COMMON_H_ |
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