epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
reed@google.com | 0fc17c3 | 2013-03-21 13:33:49 +0000 | [diff] [blame] | 8 | #include "SkFontHost_FreeType_common.h" |
djsollen@google.com | 9714516 | 2012-05-31 19:55:08 +0000 | [diff] [blame] | 9 | #include "SkFontDescriptor.h" |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 10 | #include "SkFontMgr.h" |
bungeman | 5cf1949 | 2015-06-15 15:17:21 -0700 | [diff] [blame^] | 11 | #include "SkFontMgr_custom.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 12 | #include "SkDescriptor.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 13 | #include "SkOSFile.h" |
| 14 | #include "SkPaint.h" |
humper | ad5e9a5 | 2014-11-19 08:32:19 -0800 | [diff] [blame] | 15 | #include "SkRTConf.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 16 | #include "SkString.h" |
| 17 | #include "SkStream.h" |
| 18 | #include "SkThread.h" |
| 19 | #include "SkTSearch.h" |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 20 | #include "SkTypefaceCache.h" |
| 21 | #include "SkTArray.h" |
| 22 | |
| 23 | #include <limits> |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 24 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 25 | /** The base SkTypeface implementation for the custom font manager. */ |
| 26 | class SkTypeface_Custom : public SkTypeface_FreeType { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 27 | public: |
bungeman | a4c4a2d | 2014-10-20 13:33:19 -0700 | [diff] [blame] | 28 | SkTypeface_Custom(const SkFontStyle& style, bool isFixedPitch, |
bungeman | d71b757 | 2014-09-18 10:55:32 -0700 | [diff] [blame] | 29 | bool sysFont, const SkString familyName, int index) |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 30 | : INHERITED(style, SkTypefaceCache::NewFontID(), isFixedPitch) |
bungeman | d71b757 | 2014-09-18 10:55:32 -0700 | [diff] [blame] | 31 | , fIsSysFont(sysFont), fFamilyName(familyName), fIndex(index) |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 32 | { } |
chudy@google.com | ada4480 | 2012-07-30 12:59:12 +0000 | [diff] [blame] | 33 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 34 | bool isSysFont() const { return fIsSysFont; } |
reed@google.com | 292b1d4 | 2013-03-22 17:21:59 +0000 | [diff] [blame] | 35 | |
reed@google.com | 5526ede | 2013-03-25 13:03:37 +0000 | [diff] [blame] | 36 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 37 | void onGetFamilyName(SkString* familyName) const override { |
bungeman | b374d6a | 2014-09-17 07:48:59 -0700 | [diff] [blame] | 38 | *familyName = fFamilyName; |
| 39 | } |
| 40 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 41 | void onGetFontDescriptor(SkFontDescriptor* desc, bool* isLocal) const override { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 42 | desc->setFamilyName(fFamilyName.c_str()); |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 43 | *isLocal = !this->isSysFont(); |
| 44 | } |
reed@google.com | 5526ede | 2013-03-25 13:03:37 +0000 | [diff] [blame] | 45 | |
bungeman | d71b757 | 2014-09-18 10:55:32 -0700 | [diff] [blame] | 46 | int getIndex() const { return fIndex; } |
| 47 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 48 | private: |
bungeman | d71b757 | 2014-09-18 10:55:32 -0700 | [diff] [blame] | 49 | const bool fIsSysFont; |
| 50 | const SkString fFamilyName; |
| 51 | const int fIndex; |
chudy@google.com | ada4480 | 2012-07-30 12:59:12 +0000 | [diff] [blame] | 52 | |
reed@google.com | 032fbb8 | 2013-03-21 13:38:18 +0000 | [diff] [blame] | 53 | typedef SkTypeface_FreeType INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 54 | }; |
| 55 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 56 | /** The empty SkTypeface implementation for the custom font manager. |
| 57 | * Used as the last resort fallback typeface. |
reed@android.com | f244f1b | 2010-04-16 12:40:08 +0000 | [diff] [blame] | 58 | */ |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 59 | class SkTypeface_Empty : public SkTypeface_Custom { |
reed@android.com | f244f1b | 2010-04-16 12:40:08 +0000 | [diff] [blame] | 60 | public: |
bungeman | a4c4a2d | 2014-10-20 13:33:19 -0700 | [diff] [blame] | 61 | SkTypeface_Empty() : INHERITED(SkFontStyle(), false, true, SkString(), 0) {} |
chudy@google.com | ada4480 | 2012-07-30 12:59:12 +0000 | [diff] [blame] | 62 | |
reed@google.com | 292b1d4 | 2013-03-22 17:21:59 +0000 | [diff] [blame] | 63 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 64 | SkStreamAsset* onOpenStream(int*) const override { return NULL; } |
reed@google.com | 292b1d4 | 2013-03-22 17:21:59 +0000 | [diff] [blame] | 65 | |
reed@android.com | f244f1b | 2010-04-16 12:40:08 +0000 | [diff] [blame] | 66 | private: |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 67 | typedef SkTypeface_Custom INHERITED; |
reed@android.com | f244f1b | 2010-04-16 12:40:08 +0000 | [diff] [blame] | 68 | }; |
| 69 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 70 | /** The stream SkTypeface implementation for the custom font manager. */ |
| 71 | class SkTypeface_Stream : public SkTypeface_Custom { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 72 | public: |
bungeman | a4c4a2d | 2014-10-20 13:33:19 -0700 | [diff] [blame] | 73 | SkTypeface_Stream(const SkFontStyle& style, bool isFixedPitch, bool sysFont, |
bungeman | 5f213d9 | 2015-01-27 05:39:10 -0800 | [diff] [blame] | 74 | const SkString familyName, SkStreamAsset* stream, int index) |
bungeman | a4c4a2d | 2014-10-20 13:33:19 -0700 | [diff] [blame] | 75 | : INHERITED(style, isFixedPitch, sysFont, familyName, index) |
scroggo | e58898e | 2015-01-21 12:23:20 -0800 | [diff] [blame] | 76 | , fStream(stream) |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 77 | { } |
chudy@google.com | ada4480 | 2012-07-30 12:59:12 +0000 | [diff] [blame] | 78 | |
reed@google.com | 292b1d4 | 2013-03-22 17:21:59 +0000 | [diff] [blame] | 79 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 80 | SkStreamAsset* onOpenStream(int* ttcIndex) const override { |
bungeman | d71b757 | 2014-09-18 10:55:32 -0700 | [diff] [blame] | 81 | *ttcIndex = this->getIndex(); |
commit-bot@chromium.org | a2b44dc | 2014-03-24 21:42:01 +0000 | [diff] [blame] | 82 | return fStream->duplicate(); |
reed@google.com | 292b1d4 | 2013-03-22 17:21:59 +0000 | [diff] [blame] | 83 | } |
| 84 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 85 | private: |
bungeman | 5f213d9 | 2015-01-27 05:39:10 -0800 | [diff] [blame] | 86 | const SkAutoTDelete<const SkStreamAsset> fStream; |
chudy@google.com | ada4480 | 2012-07-30 12:59:12 +0000 | [diff] [blame] | 87 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 88 | typedef SkTypeface_Custom INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 89 | }; |
| 90 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 91 | /** The file SkTypeface implementation for the custom font manager. */ |
| 92 | class SkTypeface_File : public SkTypeface_Custom { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 93 | public: |
bungeman | a4c4a2d | 2014-10-20 13:33:19 -0700 | [diff] [blame] | 94 | SkTypeface_File(const SkFontStyle& style, bool isFixedPitch, bool sysFont, |
| 95 | const SkString familyName, const char path[], int index) |
bungeman | d71b757 | 2014-09-18 10:55:32 -0700 | [diff] [blame] | 96 | : INHERITED(style, isFixedPitch, sysFont, familyName, index) |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 97 | , fPath(path) |
| 98 | { } |
chudy@google.com | ada4480 | 2012-07-30 12:59:12 +0000 | [diff] [blame] | 99 | |
reed@google.com | 292b1d4 | 2013-03-22 17:21:59 +0000 | [diff] [blame] | 100 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 101 | SkStreamAsset* onOpenStream(int* ttcIndex) const override { |
bungeman | d71b757 | 2014-09-18 10:55:32 -0700 | [diff] [blame] | 102 | *ttcIndex = this->getIndex(); |
bungeman | 5cf1949 | 2015-06-15 15:17:21 -0700 | [diff] [blame^] | 103 | return SkStream::NewFromFile(fPath.c_str()); |
reed@google.com | 292b1d4 | 2013-03-22 17:21:59 +0000 | [diff] [blame] | 104 | } |
| 105 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 106 | private: |
| 107 | SkString fPath; |
chudy@google.com | ada4480 | 2012-07-30 12:59:12 +0000 | [diff] [blame] | 108 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 109 | typedef SkTypeface_Custom INHERITED; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 110 | }; |
| 111 | |
| 112 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 113 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 114 | /** |
| 115 | * SkFontStyleSet_Custom |
| 116 | * |
| 117 | * This class is used by SkFontMgr_Custom to hold SkTypeface_Custom families. |
| 118 | */ |
| 119 | class SkFontStyleSet_Custom : public SkFontStyleSet { |
| 120 | public: |
| 121 | explicit SkFontStyleSet_Custom(const SkString familyName) : fFamilyName(familyName) { } |
| 122 | |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 123 | /** Should only be called during the inital build phase. */ |
| 124 | void appendTypeface(SkTypeface_Custom* typeface) { |
| 125 | fStyles.push_back().reset(typeface); |
| 126 | } |
| 127 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 128 | int count() override { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 129 | return fStyles.count(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 130 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 131 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 132 | void getStyle(int index, SkFontStyle* style, SkString* name) override { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 133 | SkASSERT(index < fStyles.count()); |
| 134 | bool bold = fStyles[index]->isBold(); |
| 135 | bool italic = fStyles[index]->isItalic(); |
| 136 | *style = SkFontStyle(bold ? SkFontStyle::kBold_Weight : SkFontStyle::kNormal_Weight, |
| 137 | SkFontStyle::kNormal_Width, |
| 138 | italic ? SkFontStyle::kItalic_Slant : SkFontStyle::kUpright_Slant); |
| 139 | name->reset(); |
| 140 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 141 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 142 | SkTypeface* createTypeface(int index) override { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 143 | SkASSERT(index < fStyles.count()); |
| 144 | return SkRef(fStyles[index].get()); |
| 145 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 146 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 147 | static int match_score(const SkFontStyle& pattern, const SkFontStyle& candidate) { |
| 148 | int score = 0; |
| 149 | score += (pattern.width() - candidate.width()) * 100; |
| 150 | score += (pattern.isItalic() == candidate.isItalic()) ? 0 : 1000; |
| 151 | score += pattern.weight() - candidate.weight(); |
| 152 | return score; |
| 153 | } |
| 154 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 155 | SkTypeface* matchStyle(const SkFontStyle& pattern) override { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 156 | if (0 == fStyles.count()) { |
| 157 | return NULL; |
| 158 | } |
| 159 | |
| 160 | SkTypeface_Custom* closest = fStyles[0]; |
| 161 | int minScore = std::numeric_limits<int>::max(); |
| 162 | for (int i = 0; i < fStyles.count(); ++i) { |
| 163 | bool bold = fStyles[i]->isBold(); |
| 164 | bool italic = fStyles[i]->isItalic(); |
| 165 | SkFontStyle style = SkFontStyle(bold ? SkFontStyle::kBold_Weight |
| 166 | : SkFontStyle::kNormal_Weight, |
| 167 | SkFontStyle::kNormal_Width, |
| 168 | italic ? SkFontStyle::kItalic_Slant |
| 169 | : SkFontStyle::kUpright_Slant); |
| 170 | |
| 171 | int score = match_score(pattern, style); |
| 172 | if (score < minScore) { |
| 173 | closest = fStyles[i]; |
| 174 | minScore = score; |
| 175 | } |
| 176 | } |
| 177 | return SkRef(closest); |
| 178 | } |
| 179 | |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 180 | SkString getFamilyName() { return fFamilyName; } |
| 181 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 182 | private: |
| 183 | SkTArray<SkAutoTUnref<SkTypeface_Custom>, true> fStyles; |
| 184 | SkString fFamilyName; |
| 185 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 186 | friend class SkFontMgr_Custom; |
| 187 | }; |
| 188 | |
| 189 | /** |
| 190 | * SkFontMgr_Custom |
| 191 | * |
| 192 | * This class is essentially a collection of SkFontStyleSet_Custom, |
| 193 | * one SkFontStyleSet_Custom for each family. This class may be modified |
| 194 | * to load fonts from any source by changing the initialization. |
| 195 | */ |
| 196 | class SkFontMgr_Custom : public SkFontMgr { |
| 197 | public: |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 198 | typedef SkTArray<SkAutoTUnref<SkFontStyleSet_Custom>, true> Families; |
| 199 | class SystemFontLoader { |
| 200 | public: |
| 201 | virtual ~SystemFontLoader() { } |
| 202 | virtual void loadSystemFonts(const SkTypeface_FreeType::Scanner&, Families*) const = 0; |
| 203 | }; |
bungeman | 5cf1949 | 2015-06-15 15:17:21 -0700 | [diff] [blame^] | 204 | explicit SkFontMgr_Custom(const SystemFontLoader& loader) : fDefaultFamily(NULL) { |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 205 | loader.loadSystemFonts(fScanner, &fFamilies); |
| 206 | |
| 207 | // Try to pick a default font. |
| 208 | static const char* defaultNames[] = { |
| 209 | "Arial", "Verdana", "Times New Roman", "Droid Sans", NULL |
| 210 | }; |
| 211 | for (size_t i = 0; i < SK_ARRAY_COUNT(defaultNames); ++i) { |
| 212 | SkFontStyleSet_Custom* set = this->onMatchFamily(defaultNames[i]); |
| 213 | if (NULL == set) { |
| 214 | continue; |
| 215 | } |
| 216 | |
| 217 | SkTypeface* tf = set->matchStyle(SkFontStyle(SkFontStyle::kNormal_Weight, |
| 218 | SkFontStyle::kNormal_Width, |
| 219 | SkFontStyle::kUpright_Slant)); |
| 220 | if (NULL == tf) { |
| 221 | continue; |
| 222 | } |
| 223 | |
| 224 | fDefaultFamily = set; |
| 225 | break; |
| 226 | } |
| 227 | if (NULL == fDefaultFamily) { |
| 228 | fDefaultFamily = fFamilies[0]; |
| 229 | } |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 233 | int onCountFamilies() const override { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 234 | return fFamilies.count(); |
| 235 | } |
| 236 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 237 | void onGetFamilyName(int index, SkString* familyName) const override { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 238 | SkASSERT(index < fFamilies.count()); |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 239 | familyName->set(fFamilies[index]->getFamilyName()); |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 240 | } |
| 241 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 242 | SkFontStyleSet_Custom* onCreateStyleSet(int index) const override { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 243 | SkASSERT(index < fFamilies.count()); |
| 244 | return SkRef(fFamilies[index].get()); |
| 245 | } |
| 246 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 247 | SkFontStyleSet_Custom* onMatchFamily(const char familyName[]) const override { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 248 | for (int i = 0; i < fFamilies.count(); ++i) { |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 249 | if (fFamilies[i]->getFamilyName().equals(familyName)) { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 250 | return SkRef(fFamilies[i].get()); |
| 251 | } |
| 252 | } |
| 253 | return NULL; |
| 254 | } |
| 255 | |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 256 | SkTypeface* onMatchFamilyStyle(const char familyName[], |
| 257 | const SkFontStyle& fontStyle) const override |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 258 | { |
| 259 | SkAutoTUnref<SkFontStyleSet> sset(this->matchFamily(familyName)); |
| 260 | return sset->matchStyle(fontStyle); |
| 261 | } |
| 262 | |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 263 | SkTypeface* onMatchFamilyStyleCharacter(const char familyName[], const SkFontStyle&, |
| 264 | const char* bcp47[], int bcp47Count, |
| 265 | SkUnichar character) const override |
djsollen | 33068c1 | 2014-11-14 10:52:53 -0800 | [diff] [blame] | 266 | { |
| 267 | return NULL; |
| 268 | } |
| 269 | |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 270 | SkTypeface* onMatchFaceStyle(const SkTypeface* familyMember, |
| 271 | const SkFontStyle& fontStyle) const override |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 272 | { |
| 273 | for (int i = 0; i < fFamilies.count(); ++i) { |
| 274 | for (int j = 0; j < fFamilies[i]->fStyles.count(); ++j) { |
| 275 | if (fFamilies[i]->fStyles[j] == familyMember) { |
| 276 | return fFamilies[i]->matchStyle(fontStyle); |
| 277 | } |
| 278 | } |
| 279 | } |
| 280 | return NULL; |
| 281 | } |
| 282 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 283 | SkTypeface* onCreateFromData(SkData* data, int ttcIndex) const override { |
scroggo | a1193e4 | 2015-01-21 12:09:53 -0800 | [diff] [blame] | 284 | return this->createFromStream(new SkMemoryStream(data), ttcIndex); |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 285 | } |
| 286 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 287 | SkTypeface* onCreateFromStream(SkStreamAsset* bareStream, int ttcIndex) const override { |
bungeman | 5f213d9 | 2015-01-27 05:39:10 -0800 | [diff] [blame] | 288 | SkAutoTDelete<SkStreamAsset> stream(bareStream); |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 289 | if (NULL == stream || stream->getLength() <= 0) { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 290 | return NULL; |
| 291 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 292 | |
bungeman@google.com | fe74765 | 2013-03-25 19:36:11 +0000 | [diff] [blame] | 293 | bool isFixedPitch; |
bungeman | a4c4a2d | 2014-10-20 13:33:19 -0700 | [diff] [blame] | 294 | SkFontStyle style; |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 295 | SkString name; |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 296 | if (fScanner.scanFont(stream, ttcIndex, &name, &style, &isFixedPitch, NULL)) { |
bungeman | 3a21d61 | 2014-07-11 08:52:26 -0700 | [diff] [blame] | 297 | return SkNEW_ARGS(SkTypeface_Stream, (style, isFixedPitch, false, name, |
bungeman | 5f213d9 | 2015-01-27 05:39:10 -0800 | [diff] [blame] | 298 | stream.detach(), ttcIndex)); |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 299 | } else { |
| 300 | return NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 301 | } |
reed@android.com | f244f1b | 2010-04-16 12:40:08 +0000 | [diff] [blame] | 302 | } |
| 303 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 304 | SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const override { |
bungeman | 5f213d9 | 2015-01-27 05:39:10 -0800 | [diff] [blame] | 305 | SkAutoTDelete<SkStreamAsset> stream(SkStream::NewFromFile(path)); |
scroggo | a1193e4 | 2015-01-21 12:09:53 -0800 | [diff] [blame] | 306 | return stream.get() ? this->createFromStream(stream.detach(), ttcIndex) : NULL; |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 307 | } |
| 308 | |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 309 | SkTypeface* onLegacyCreateTypeface(const char familyName[], unsigned styleBits) const override { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 310 | SkTypeface::Style oldStyle = (SkTypeface::Style)styleBits; |
| 311 | SkFontStyle style = SkFontStyle(oldStyle & SkTypeface::kBold |
| 312 | ? SkFontStyle::kBold_Weight |
| 313 | : SkFontStyle::kNormal_Weight, |
| 314 | SkFontStyle::kNormal_Width, |
| 315 | oldStyle & SkTypeface::kItalic |
| 316 | ? SkFontStyle::kItalic_Slant |
| 317 | : SkFontStyle::kUpright_Slant); |
| 318 | SkTypeface* tf = NULL; |
| 319 | |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 320 | if (familyName) { |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 321 | tf = this->onMatchFamilyStyle(familyName, style); |
bungeman@google.com | 2cf84ec | 2012-09-26 19:16:54 +0000 | [diff] [blame] | 322 | } |
bungeman@google.com | 2cf84ec | 2012-09-26 19:16:54 +0000 | [diff] [blame] | 323 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 324 | if (NULL == tf) { |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 325 | tf = fDefaultFamily->matchStyle(style); |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 326 | } |
| 327 | |
| 328 | return SkSafeRef(tf); |
bungeman@google.com | 2cf84ec | 2012-09-26 19:16:54 +0000 | [diff] [blame] | 329 | } |
| 330 | |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 331 | private: |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 332 | Families fFamilies; |
| 333 | SkFontStyleSet_Custom* fDefaultFamily; |
| 334 | SkTypeface_FreeType::Scanner fScanner; |
| 335 | }; |
bungeman@google.com | 2cf84ec | 2012-09-26 19:16:54 +0000 | [diff] [blame] | 336 | |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 337 | /////////////////////////////////////////////////////////////////////////////// |
| 338 | |
| 339 | class DirectorySystemFontLoader : public SkFontMgr_Custom::SystemFontLoader { |
| 340 | public: |
| 341 | DirectorySystemFontLoader(const char* dir) : fBaseDirectory(dir) { } |
| 342 | |
| 343 | void loadSystemFonts(const SkTypeface_FreeType::Scanner& scanner, |
| 344 | SkFontMgr_Custom::Families* families) const override |
| 345 | { |
| 346 | load_directory_fonts(scanner, fBaseDirectory, ".ttf", families); |
| 347 | load_directory_fonts(scanner, fBaseDirectory, ".ttc", families); |
| 348 | load_directory_fonts(scanner, fBaseDirectory, ".otf", families); |
| 349 | load_directory_fonts(scanner, fBaseDirectory, ".pfb", families); |
| 350 | |
| 351 | if (families->empty()) { |
| 352 | SkFontStyleSet_Custom* family = new SkFontStyleSet_Custom(SkString()); |
| 353 | families->push_back().reset(family); |
| 354 | family->appendTypeface(SkNEW(SkTypeface_Empty)); |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | private: |
| 359 | static SkFontStyleSet_Custom* find_family(SkFontMgr_Custom::Families& families, |
| 360 | const char familyName[]) |
| 361 | { |
| 362 | for (int i = 0; i < families.count(); ++i) { |
| 363 | if (families[i]->getFamilyName().equals(familyName)) { |
| 364 | return families[i].get(); |
| 365 | } |
| 366 | } |
| 367 | return NULL; |
| 368 | } |
| 369 | |
| 370 | static void load_directory_fonts(const SkTypeface_FreeType::Scanner& scanner, |
| 371 | const SkString& directory, const char* suffix, |
| 372 | SkFontMgr_Custom::Families* families) |
| 373 | { |
bungeman | 14df833 | 2014-10-28 15:07:23 -0700 | [diff] [blame] | 374 | SkOSFile::Iter iter(directory.c_str(), suffix); |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 375 | SkString name; |
| 376 | |
| 377 | while (iter.next(&name, false)) { |
bungeman | 14df833 | 2014-10-28 15:07:23 -0700 | [diff] [blame] | 378 | SkString filename(SkOSPath::Join(directory.c_str(), name.c_str())); |
scroggo | a1193e4 | 2015-01-21 12:09:53 -0800 | [diff] [blame] | 379 | SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(filename.c_str())); |
bungeman | 14df833 | 2014-10-28 15:07:23 -0700 | [diff] [blame] | 380 | if (!stream.get()) { |
| 381 | SkDebugf("---- failed to open <%s>\n", filename.c_str()); |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 382 | continue; |
| 383 | } |
| 384 | |
bungeman | 14df833 | 2014-10-28 15:07:23 -0700 | [diff] [blame] | 385 | int numFaces; |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 386 | if (!scanner.recognizedFont(stream, &numFaces)) { |
bungeman | 14df833 | 2014-10-28 15:07:23 -0700 | [diff] [blame] | 387 | SkDebugf("---- failed to open <%s> as a font\n", filename.c_str()); |
| 388 | continue; |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 389 | } |
bungeman | 14df833 | 2014-10-28 15:07:23 -0700 | [diff] [blame] | 390 | |
| 391 | for (int faceIndex = 0; faceIndex < numFaces; ++faceIndex) { |
| 392 | bool isFixedPitch; |
| 393 | SkString realname; |
| 394 | SkFontStyle style = SkFontStyle(); // avoid uninitialized warning |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 395 | if (!scanner.scanFont(stream, faceIndex, &realname, &style, &isFixedPitch, NULL)) { |
bungeman | 14df833 | 2014-10-28 15:07:23 -0700 | [diff] [blame] | 396 | SkDebugf("---- failed to open <%s> <%d> as a font\n", |
| 397 | filename.c_str(), faceIndex); |
| 398 | continue; |
| 399 | } |
| 400 | |
| 401 | SkTypeface_Custom* tf = SkNEW_ARGS(SkTypeface_File, ( |
| 402 | style, |
| 403 | isFixedPitch, |
| 404 | true, // system-font (cannot delete) |
| 405 | realname, |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 406 | filename.c_str(), |
| 407 | faceIndex)); |
bungeman | 14df833 | 2014-10-28 15:07:23 -0700 | [diff] [blame] | 408 | |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 409 | SkFontStyleSet_Custom* addTo = find_family(*families, realname.c_str()); |
bungeman | 14df833 | 2014-10-28 15:07:23 -0700 | [diff] [blame] | 410 | if (NULL == addTo) { |
| 411 | addTo = new SkFontStyleSet_Custom(realname); |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 412 | families->push_back().reset(addTo); |
bungeman | 14df833 | 2014-10-28 15:07:23 -0700 | [diff] [blame] | 413 | } |
| 414 | addTo->appendTypeface(tf); |
| 415 | } |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 416 | } |
| 417 | |
| 418 | SkOSFile::Iter dirIter(directory.c_str()); |
| 419 | while (dirIter.next(&name, true)) { |
| 420 | if (name.startsWith(".")) { |
| 421 | continue; |
| 422 | } |
tfarina | a8e2e15 | 2014-07-28 19:26:58 -0700 | [diff] [blame] | 423 | SkString dirname(SkOSPath::Join(directory.c_str(), name.c_str())); |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 424 | load_directory_fonts(scanner, dirname, suffix, families); |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 425 | } |
| 426 | } |
| 427 | |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 428 | SkString fBaseDirectory; |
bungeman@google.com | b3d154d | 2013-11-11 15:53:29 +0000 | [diff] [blame] | 429 | }; |
reed@google.com | 070da5e | 2013-03-27 20:01:49 +0000 | [diff] [blame] | 430 | |
bungeman | 5cf1949 | 2015-06-15 15:17:21 -0700 | [diff] [blame^] | 431 | SK_API SkFontMgr* SkFontMgr_New_Custom_Directory(const char* dir) { |
| 432 | return new SkFontMgr_Custom(DirectorySystemFontLoader(dir)); |
| 433 | } |
| 434 | |
| 435 | /////////////////////////////////////////////////////////////////////////////// |
| 436 | |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 437 | struct SkEmbeddedResource { const uint8_t* data; size_t size; }; |
| 438 | struct SkEmbeddedResourceHeader { const SkEmbeddedResource* entries; int count; }; |
| 439 | |
| 440 | class EmbeddedSystemFontLoader : public SkFontMgr_Custom::SystemFontLoader { |
| 441 | public: |
| 442 | EmbeddedSystemFontLoader(const SkEmbeddedResourceHeader* header) : fHeader(header) { } |
| 443 | |
| 444 | void loadSystemFonts(const SkTypeface_FreeType::Scanner& scanner, |
| 445 | SkFontMgr_Custom::Families* families) const override |
| 446 | { |
| 447 | for (int i = 0; i < fHeader->count; ++i) { |
| 448 | const SkEmbeddedResource& fontEntry = fHeader->entries[i]; |
| 449 | load_embedded_font(scanner, fontEntry.data, fontEntry.size, i, families); |
| 450 | } |
| 451 | |
| 452 | if (families->empty()) { |
| 453 | SkFontStyleSet_Custom* family = new SkFontStyleSet_Custom(SkString()); |
| 454 | families->push_back().reset(family); |
| 455 | family->appendTypeface(SkNEW(SkTypeface_Empty)); |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | private: |
| 460 | static SkFontStyleSet_Custom* find_family(SkFontMgr_Custom::Families& families, |
| 461 | const char familyName[]) |
| 462 | { |
| 463 | for (int i = 0; i < families.count(); ++i) { |
| 464 | if (families[i]->getFamilyName().equals(familyName)) { |
| 465 | return families[i].get(); |
| 466 | } |
| 467 | } |
| 468 | return NULL; |
| 469 | } |
| 470 | |
| 471 | static void load_embedded_font(const SkTypeface_FreeType::Scanner& scanner, |
| 472 | const uint8_t* data, size_t size, int index, |
| 473 | SkFontMgr_Custom::Families* families) |
| 474 | { |
| 475 | SkAutoTDelete<SkMemoryStream> stream(new SkMemoryStream(data, size, false)); |
| 476 | |
| 477 | int numFaces; |
| 478 | if (!scanner.recognizedFont(stream, &numFaces)) { |
| 479 | SkDebugf("---- failed to open <%d> as a font\n", index); |
| 480 | return; |
| 481 | } |
| 482 | |
| 483 | for (int faceIndex = 0; faceIndex < numFaces; ++faceIndex) { |
| 484 | bool isFixedPitch; |
| 485 | SkString realname; |
| 486 | SkFontStyle style = SkFontStyle(); // avoid uninitialized warning |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 487 | if (!scanner.scanFont(stream, faceIndex, &realname, &style, &isFixedPitch, NULL)) { |
bungeman | 5c9fa28 | 2015-03-30 12:53:48 -0700 | [diff] [blame] | 488 | SkDebugf("---- failed to open <%d> <%d> as a font\n", index, faceIndex); |
| 489 | return; |
| 490 | } |
| 491 | |
| 492 | SkTypeface_Custom* tf = SkNEW_ARGS(SkTypeface_Stream, ( |
| 493 | style, |
| 494 | isFixedPitch, |
| 495 | true, // system-font (cannot delete) |
| 496 | realname, |
| 497 | stream.detach(), |
| 498 | faceIndex)); |
| 499 | |
| 500 | SkFontStyleSet_Custom* addTo = find_family(*families, realname.c_str()); |
| 501 | if (NULL == addTo) { |
| 502 | addTo = new SkFontStyleSet_Custom(realname); |
| 503 | families->push_back().reset(addTo); |
| 504 | } |
| 505 | addTo->appendTypeface(tf); |
| 506 | } |
| 507 | } |
| 508 | |
| 509 | const SkEmbeddedResourceHeader* fHeader; |
| 510 | }; |
| 511 | |
bungeman | 5cf1949 | 2015-06-15 15:17:21 -0700 | [diff] [blame^] | 512 | SkFontMgr* SkFontMgr_New_Custom_Embedded(const SkEmbeddedResourceHeader* header) { |
| 513 | return new SkFontMgr_Custom(EmbeddedSystemFontLoader(header)); |
reed@google.com | 070da5e | 2013-03-27 20:01:49 +0000 | [diff] [blame] | 514 | } |