The Tor Browser / file comparison
comparison: gfx/2d/ScaledFontCairo.cpp
gfx/2d/ScaledFontCairo.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:b5ebba0f8a72 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "ScaledFontCairo.h" | |
| 7 #include "Logging.h" | |
| 8 | |
| 9 #ifdef MOZ_ENABLE_FREETYPE | |
| 10 #include <ft2build.h> | |
| 11 #include FT_FREETYPE_H | |
| 12 #include "cairo-ft.h" | |
| 13 #endif | |
| 14 | |
| 15 #if defined(USE_SKIA) && defined(MOZ_ENABLE_FREETYPE) | |
| 16 #include "skia/SkTypeface.h" | |
| 17 #include "skia/SkTypeface_cairo.h" | |
| 18 #endif | |
| 19 | |
| 20 #include <string> | |
| 21 | |
| 22 typedef struct FT_FaceRec_* FT_Face; | |
| 23 | |
| 24 using namespace std; | |
| 25 | |
| 26 namespace mozilla { | |
| 27 namespace gfx { | |
| 28 | |
| 29 // On Linux and Android our "platform" font is a cairo_scaled_font_t and we use | |
| 30 // an SkFontHost implementation that allows Skia to render using this. | |
| 31 // This is mainly because FT_Face is not good for sharing between libraries, which | |
| 32 // is a requirement when we consider runtime switchable backends and so on | |
| 33 ScaledFontCairo::ScaledFontCairo(cairo_scaled_font_t* aScaledFont, Float aSize) | |
| 34 : ScaledFontBase(aSize) | |
| 35 { | |
| 36 SetCairoScaledFont(aScaledFont); | |
| 37 } | |
| 38 | |
| 39 #if defined(USE_SKIA) && defined(MOZ_ENABLE_FREETYPE) | |
| 40 SkTypeface* ScaledFontCairo::GetSkTypeface() | |
| 41 { | |
| 42 if (!mTypeface) { | |
| 43 cairo_font_face_t* fontFace = cairo_scaled_font_get_font_face(mScaledFont); | |
| 44 FT_Face face = cairo_ft_scaled_font_lock_face(mScaledFont); | |
| 45 | |
| 46 int style = SkTypeface::kNormal; | |
| 47 | |
| 48 if (face->style_flags & FT_STYLE_FLAG_ITALIC) | |
| 49 style |= SkTypeface::kItalic; | |
| 50 | |
| 51 if (face->style_flags & FT_STYLE_FLAG_BOLD) | |
| 52 style |= SkTypeface::kBold; | |
| 53 | |
| 54 bool isFixedWidth = face->face_flags & FT_FACE_FLAG_FIXED_WIDTH; | |
| 55 cairo_ft_scaled_font_unlock_face(mScaledFont); | |
| 56 | |
| 57 mTypeface = SkCreateTypefaceFromCairoFont(fontFace, (SkTypeface::Style)style, isFixedWidth); | |
| 58 } | |
| 59 | |
| 60 return mTypeface; | |
| 61 } | |
| 62 #endif | |
| 63 | |
| 64 } | |
| 65 } |
