epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 3 | * Copyright 2011 Google Inc. |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 4 | * |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 9 | |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 10 | #include "SkAdvancedTypefaceMetrics.h" |
| 11 | #include "SkTypes.h" |
| 12 | |
djsollen@google.com | da95772 | 2011-11-16 17:00:46 +0000 | [diff] [blame] | 13 | #if defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_ANDROID) |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 14 | #include <ft2build.h> |
| 15 | #include FT_FREETYPE_H |
| 16 | #endif |
| 17 | |
caryclark@google.com | ab0ab4a | 2011-06-01 20:15:20 +0000 | [diff] [blame] | 18 | #ifdef SK_BUILD_FOR_MAC |
yangsu@google.com | ccb74ea | 2011-06-21 13:09:32 +0000 | [diff] [blame] | 19 | #import <ApplicationServices/ApplicationServices.h> |
| 20 | #endif |
| 21 | |
| 22 | #ifdef SK_BUILD_FOR_IOS |
| 23 | #include <CoreText/CoreText.h> |
| 24 | #include <CoreGraphics/CoreGraphics.h> |
yangsu@google.com | 900d877 | 2011-06-24 18:56:00 +0000 | [diff] [blame] | 25 | #include <CoreFoundation/CoreFoundation.h> |
caryclark@google.com | ab0ab4a | 2011-06-01 20:15:20 +0000 | [diff] [blame] | 26 | #endif |
| 27 | |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 28 | namespace skia_advanced_typeface_metrics_utils { |
| 29 | |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 30 | const int16_t kInvalidAdvance = SK_MinS16; |
| 31 | const int16_t kDontCareAdvance = SK_MinS16 + 1; |
| 32 | |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 33 | template <typename Data> |
reed@google.com | b42403b | 2011-11-14 13:12:47 +0000 | [diff] [blame] | 34 | void stripUninterestingTrailingAdvancesFromRange( |
| 35 | SkAdvancedTypefaceMetrics::AdvanceMetric<Data>* range) { |
| 36 | SkASSERT(false); |
| 37 | } |
| 38 | |
| 39 | template <> |
| 40 | void stripUninterestingTrailingAdvancesFromRange<int16_t>( |
| 41 | SkAdvancedTypefaceMetrics::AdvanceMetric<int16_t>* range) { |
| 42 | SkASSERT(range); |
| 43 | |
| 44 | int expectedAdvanceCount = range->fEndId - range->fStartId + 1; |
| 45 | if (range->fAdvance.count() < expectedAdvanceCount) { |
| 46 | return; |
| 47 | } |
| 48 | |
| 49 | for (int i = expectedAdvanceCount - 1; i >= 0; --i) { |
| 50 | if (range->fAdvance[i] != kDontCareAdvance && |
| 51 | range->fAdvance[i] != kInvalidAdvance && |
| 52 | range->fAdvance[i] != 0) { |
| 53 | range->fEndId = range->fStartId + i; |
| 54 | break; |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | template <typename Data> |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 60 | void resetRange(SkAdvancedTypefaceMetrics::AdvanceMetric<Data>* range, |
| 61 | int startId) { |
| 62 | range->fStartId = startId; |
| 63 | range->fAdvance.setCount(0); |
| 64 | } |
| 65 | |
| 66 | template <typename Data> |
| 67 | SkAdvancedTypefaceMetrics::AdvanceMetric<Data>* appendRange( |
| 68 | SkTScopedPtr<SkAdvancedTypefaceMetrics::AdvanceMetric<Data> >* nextSlot, |
| 69 | int startId) { |
| 70 | nextSlot->reset(new SkAdvancedTypefaceMetrics::AdvanceMetric<Data>); |
| 71 | resetRange(nextSlot->get(), startId); |
| 72 | return nextSlot->get(); |
| 73 | } |
| 74 | |
| 75 | template <typename Data> |
reed@google.com | b42403b | 2011-11-14 13:12:47 +0000 | [diff] [blame] | 76 | void zeroWildcardsInRange( |
| 77 | SkAdvancedTypefaceMetrics::AdvanceMetric<Data>* range) { |
| 78 | SkASSERT(false); |
| 79 | } |
| 80 | |
| 81 | template <> |
| 82 | void zeroWildcardsInRange<int16_t>( |
| 83 | SkAdvancedTypefaceMetrics::AdvanceMetric<int16_t>* range) { |
| 84 | SkASSERT(range); |
| 85 | if (range->fType != SkAdvancedTypefaceMetrics::WidthRange::kRange) { |
| 86 | return; |
| 87 | } |
| 88 | SkASSERT(range->fAdvance.count() == range->fEndId - range->fStartId + 1); |
| 89 | |
| 90 | // Zero out wildcards. |
| 91 | for (int i = 0; i < range->fAdvance.count(); ++i) { |
| 92 | if (range->fAdvance[i] == kDontCareAdvance) { |
| 93 | range->fAdvance[i] = 0; |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | template <typename Data> |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 99 | void finishRange( |
| 100 | SkAdvancedTypefaceMetrics::AdvanceMetric<Data>* range, |
| 101 | int endId, |
| 102 | typename SkAdvancedTypefaceMetrics::AdvanceMetric<Data>::MetricType |
| 103 | type) { |
| 104 | range->fEndId = endId; |
| 105 | range->fType = type; |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 106 | stripUninterestingTrailingAdvancesFromRange(range); |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 107 | int newLength; |
| 108 | if (type == SkAdvancedTypefaceMetrics::AdvanceMetric<Data>::kRange) { |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 109 | newLength = range->fEndId - range->fStartId + 1; |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 110 | } else { |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 111 | if (range->fEndId == range->fStartId) { |
| 112 | range->fType = |
| 113 | SkAdvancedTypefaceMetrics::AdvanceMetric<Data>::kRange; |
| 114 | } |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 115 | newLength = 1; |
| 116 | } |
| 117 | SkASSERT(range->fAdvance.count() >= newLength); |
| 118 | range->fAdvance.setCount(newLength); |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 119 | zeroWildcardsInRange(range); |
| 120 | } |
| 121 | |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 122 | template <typename Data, typename FontHandle> |
| 123 | SkAdvancedTypefaceMetrics::AdvanceMetric<Data>* getAdvanceData( |
| 124 | FontHandle fontHandle, |
| 125 | int num_glyphs, |
vandebo@chromium.org | 37ad8fb | 2011-08-18 02:38:50 +0000 | [diff] [blame] | 126 | const uint32_t* subsetGlyphIDs, |
| 127 | uint32_t subsetGlyphIDsLength, |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 128 | bool (*getAdvance)(FontHandle fontHandle, int gId, Data* data)) { |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 129 | // Assuming that on average, the ASCII representation of an advance plus |
| 130 | // a space is 8 characters and the ASCII representation of a glyph id is 3 |
| 131 | // characters, then the following cut offs for using different range types |
| 132 | // apply: |
| 133 | // The cost of stopping and starting the range is 7 characers |
| 134 | // a. Removing 4 0's or don't care's is a win |
| 135 | // The cost of stopping and starting the range plus a run is 22 |
| 136 | // characters |
| 137 | // b. Removing 3 repeating advances is a win |
| 138 | // c. Removing 2 repeating advances and 3 don't cares is a win |
| 139 | // When not currently in a range the cost of a run over a range is 16 |
| 140 | // characaters, so: |
| 141 | // d. Removing a leading 0/don't cares is a win because it is omitted |
| 142 | // e. Removing 2 repeating advances is a win |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 143 | |
| 144 | SkTScopedPtr<SkAdvancedTypefaceMetrics::AdvanceMetric<Data> > result; |
| 145 | SkAdvancedTypefaceMetrics::AdvanceMetric<Data>* curRange; |
vandebo@chromium.org | 34dae87 | 2011-05-10 23:25:03 +0000 | [diff] [blame] | 146 | SkAdvancedTypefaceMetrics::AdvanceMetric<Data>* prevRange = NULL; |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 147 | Data lastAdvance = kInvalidAdvance; |
| 148 | int repeatedAdvances = 0; |
| 149 | int wildCardsInRun = 0; |
| 150 | int leadingWildCards = 0; |
| 151 | int trailingWildCards = 0; |
vandebo@chromium.org | 37ad8fb | 2011-08-18 02:38:50 +0000 | [diff] [blame] | 152 | uint32_t subsetIndex = 0; |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 153 | |
| 154 | // Limit the loop count to glyph id ranges provided. |
| 155 | int firstIndex = 0; |
| 156 | int lastIndex = num_glyphs; |
| 157 | if (subsetGlyphIDs) { |
| 158 | firstIndex = static_cast<int>(subsetGlyphIDs[0]); |
| 159 | lastIndex = |
| 160 | static_cast<int>(subsetGlyphIDs[subsetGlyphIDsLength - 1]) + 1; |
| 161 | } |
| 162 | curRange = appendRange(&result, firstIndex); |
| 163 | |
| 164 | for (int gId = firstIndex; gId <= lastIndex; gId++) { |
| 165 | Data advance = kInvalidAdvance; |
| 166 | if (gId < lastIndex) { |
vandebo@chromium.org | 37ad8fb | 2011-08-18 02:38:50 +0000 | [diff] [blame] | 167 | // Get glyph id only when subset is NULL, or the id is in subset. |
| 168 | if (!subsetGlyphIDs || |
| 169 | (subsetIndex < subsetGlyphIDsLength && |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 170 | static_cast<uint32_t>(gId) == subsetGlyphIDs[subsetIndex])) { |
vandebo@chromium.org | 37ad8fb | 2011-08-18 02:38:50 +0000 | [diff] [blame] | 171 | SkAssertResult(getAdvance(fontHandle, gId, &advance)); |
| 172 | ++subsetIndex; |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 173 | } else { |
| 174 | advance = kDontCareAdvance; |
vandebo@chromium.org | 37ad8fb | 2011-08-18 02:38:50 +0000 | [diff] [blame] | 175 | } |
vandebo@chromium.org | 34dae87 | 2011-05-10 23:25:03 +0000 | [diff] [blame] | 176 | } |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 177 | if (advance == lastAdvance) { |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 178 | repeatedAdvances++; |
| 179 | trailingWildCards = 0; |
| 180 | } else if (advance == kDontCareAdvance) { |
| 181 | wildCardsInRun++; |
| 182 | trailingWildCards++; |
| 183 | } else if (curRange->fAdvance.count() == |
| 184 | repeatedAdvances + 1 + wildCardsInRun) { // All in run. |
| 185 | if (lastAdvance == 0) { |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 186 | resetRange(curRange, gId); |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 187 | trailingWildCards = 0; |
| 188 | } else if (repeatedAdvances + 1 >= 2 || trailingWildCards >= 4) { |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 189 | finishRange(curRange, gId - 1, |
| 190 | SkAdvancedTypefaceMetrics::WidthRange::kRun); |
vandebo@chromium.org | 34dae87 | 2011-05-10 23:25:03 +0000 | [diff] [blame] | 191 | prevRange = curRange; |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 192 | curRange = appendRange(&curRange->fNext, gId); |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 193 | trailingWildCards = 0; |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 194 | } |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 195 | repeatedAdvances = 0; |
| 196 | wildCardsInRun = trailingWildCards; |
| 197 | leadingWildCards = trailingWildCards; |
| 198 | trailingWildCards = 0; |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 199 | } else { |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 200 | if (lastAdvance == 0 && |
| 201 | repeatedAdvances + 1 + wildCardsInRun >= 4) { |
| 202 | finishRange(curRange, |
| 203 | gId - repeatedAdvances - wildCardsInRun - 2, |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 204 | SkAdvancedTypefaceMetrics::WidthRange::kRange); |
vandebo@chromium.org | 34dae87 | 2011-05-10 23:25:03 +0000 | [diff] [blame] | 205 | prevRange = curRange; |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 206 | curRange = appendRange(&curRange->fNext, gId); |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 207 | trailingWildCards = 0; |
| 208 | } else if (trailingWildCards >= 4 && repeatedAdvances + 1 < 2) { |
| 209 | finishRange(curRange, |
| 210 | gId - trailingWildCards - 1, |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 211 | SkAdvancedTypefaceMetrics::WidthRange::kRange); |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 212 | prevRange = curRange; |
| 213 | curRange = appendRange(&curRange->fNext, gId); |
| 214 | trailingWildCards = 0; |
| 215 | } else if (lastAdvance != 0 && |
| 216 | (repeatedAdvances + 1 >= 3 || |
| 217 | (repeatedAdvances + 1 >= 2 && wildCardsInRun >= 3))) { |
| 218 | finishRange(curRange, |
| 219 | gId - repeatedAdvances - wildCardsInRun - 2, |
| 220 | SkAdvancedTypefaceMetrics::WidthRange::kRange); |
| 221 | curRange = |
| 222 | appendRange(&curRange->fNext, |
| 223 | gId - repeatedAdvances - wildCardsInRun - 1); |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 224 | curRange->fAdvance.append(1, &lastAdvance); |
| 225 | finishRange(curRange, gId - 1, |
| 226 | SkAdvancedTypefaceMetrics::WidthRange::kRun); |
vandebo@chromium.org | 34dae87 | 2011-05-10 23:25:03 +0000 | [diff] [blame] | 227 | prevRange = curRange; |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 228 | curRange = appendRange(&curRange->fNext, gId); |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 229 | trailingWildCards = 0; |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 230 | } |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 231 | repeatedAdvances = 0; |
| 232 | wildCardsInRun = trailingWildCards; |
| 233 | leadingWildCards = trailingWildCards; |
| 234 | trailingWildCards = 0; |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 235 | } |
| 236 | curRange->fAdvance.append(1, &advance); |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 237 | if (advance != kDontCareAdvance) { |
| 238 | lastAdvance = advance; |
| 239 | } |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 240 | } |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 241 | if (curRange->fStartId == lastIndex) { |
vandebo@chromium.org | 34dae87 | 2011-05-10 23:25:03 +0000 | [diff] [blame] | 242 | SkASSERT(prevRange); |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 243 | SkASSERT(prevRange->fNext->fStartId == lastIndex); |
vandebo@chromium.org | 34dae87 | 2011-05-10 23:25:03 +0000 | [diff] [blame] | 244 | prevRange->fNext.reset(); |
| 245 | } else { |
vandebo@chromium.org | beb7fe1 | 2011-11-11 19:38:54 +0000 | [diff] [blame] | 246 | finishRange(curRange, lastIndex - 1, |
vandebo@chromium.org | 34dae87 | 2011-05-10 23:25:03 +0000 | [diff] [blame] | 247 | SkAdvancedTypefaceMetrics::WidthRange::kRange); |
| 248 | } |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 249 | return result.release(); |
| 250 | } |
| 251 | |
| 252 | // Make AdvanceMetric template functions available for linking with typename |
| 253 | // WidthRange and VerticalAdvanceRange. |
reed@google.com | 369ca40 | 2011-02-15 16:21:24 +0000 | [diff] [blame] | 254 | #if defined(SK_BUILD_FOR_WIN) |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 255 | template SkAdvancedTypefaceMetrics::WidthRange* getAdvanceData( |
| 256 | HDC hdc, |
| 257 | int num_glyphs, |
vandebo@chromium.org | 37ad8fb | 2011-08-18 02:38:50 +0000 | [diff] [blame] | 258 | const uint32_t* subsetGlyphIDs, |
| 259 | uint32_t subsetGlyphIDsLength, |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 260 | bool (*getAdvance)(HDC hdc, int gId, int16_t* data)); |
djsollen@google.com | da95772 | 2011-11-16 17:00:46 +0000 | [diff] [blame] | 261 | #elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_ANDROID) |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 262 | template SkAdvancedTypefaceMetrics::WidthRange* getAdvanceData( |
| 263 | FT_Face face, |
| 264 | int num_glyphs, |
vandebo@chromium.org | 37ad8fb | 2011-08-18 02:38:50 +0000 | [diff] [blame] | 265 | const uint32_t* subsetGlyphIDs, |
| 266 | uint32_t subsetGlyphIDsLength, |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 267 | bool (*getAdvance)(FT_Face face, int gId, int16_t* data)); |
yangsu@google.com | ccb74ea | 2011-06-21 13:09:32 +0000 | [diff] [blame] | 268 | #elif defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS) |
caryclark@google.com | ab0ab4a | 2011-06-01 20:15:20 +0000 | [diff] [blame] | 269 | template SkAdvancedTypefaceMetrics::WidthRange* getAdvanceData( |
| 270 | CTFontRef ctFont, |
| 271 | int num_glyphs, |
vandebo@chromium.org | 37ad8fb | 2011-08-18 02:38:50 +0000 | [diff] [blame] | 272 | const uint32_t* subsetGlyphIDs, |
| 273 | uint32_t subsetGlyphIDsLength, |
caryclark@google.com | ab0ab4a | 2011-06-01 20:15:20 +0000 | [diff] [blame] | 274 | bool (*getAdvance)(CTFontRef ctFont, int gId, int16_t* data)); |
vandebo@chromium.org | 6f72d1e | 2011-02-14 23:19:59 +0000 | [diff] [blame] | 275 | #endif |
| 276 | template void resetRange( |
| 277 | SkAdvancedTypefaceMetrics::WidthRange* range, |
| 278 | int startId); |
| 279 | template SkAdvancedTypefaceMetrics::WidthRange* appendRange( |
| 280 | SkTScopedPtr<SkAdvancedTypefaceMetrics::WidthRange >* nextSlot, |
| 281 | int startId); |
| 282 | template void finishRange<int16_t>( |
| 283 | SkAdvancedTypefaceMetrics::WidthRange* range, |
| 284 | int endId, |
| 285 | SkAdvancedTypefaceMetrics::WidthRange::MetricType type); |
| 286 | |
| 287 | template void resetRange( |
| 288 | SkAdvancedTypefaceMetrics::VerticalAdvanceRange* range, |
| 289 | int startId); |
| 290 | template SkAdvancedTypefaceMetrics::VerticalAdvanceRange* appendRange( |
| 291 | SkTScopedPtr<SkAdvancedTypefaceMetrics::VerticalAdvanceRange >* |
| 292 | nextSlot, |
| 293 | int startId); |
| 294 | template void finishRange<SkAdvancedTypefaceMetrics::VerticalMetric>( |
| 295 | SkAdvancedTypefaceMetrics::VerticalAdvanceRange* range, |
| 296 | int endId, |
| 297 | SkAdvancedTypefaceMetrics::VerticalAdvanceRange::MetricType type); |
| 298 | |
| 299 | } // namespace skia_advanced_typeface_metrics_utils |