The Tor Browser / file comparison
comparison: gfx/thebes/gfxFontFeatures.cpp
gfx/thebes/gfxFontFeatures.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
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replaced
| -1:000000000000 | 0:8546a6b9aa2d |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 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 "gfxFontFeatures.h" | |
| 7 #include "nsUnicharUtils.h" | |
| 8 #include "nsHashKeys.h" | |
| 9 | |
| 10 using namespace mozilla; | |
| 11 | |
| 12 gfxFontFeatureValueSet::gfxFontFeatureValueSet() | |
| 13 : mFontFeatureValues(10) | |
| 14 { | |
| 15 } | |
| 16 | |
| 17 bool | |
| 18 gfxFontFeatureValueSet::GetFontFeatureValuesFor(const nsAString& aFamily, | |
| 19 uint32_t aVariantProperty, | |
| 20 const nsAString& aName, | |
| 21 nsTArray<uint32_t>& aValues) | |
| 22 { | |
| 23 nsAutoString family(aFamily), name(aName); | |
| 24 ToLowerCase(family); | |
| 25 ToLowerCase(name); | |
| 26 FeatureValueHashKey key(family, aVariantProperty, name); | |
| 27 | |
| 28 aValues.Clear(); | |
| 29 FeatureValueHashEntry *entry = mFontFeatureValues.GetEntry(key); | |
| 30 if (entry) { | |
| 31 NS_ASSERTION(entry->mValues.Length() > 0, | |
| 32 "null array of font feature values"); | |
| 33 aValues.AppendElements(entry->mValues); | |
| 34 return true; | |
| 35 } | |
| 36 | |
| 37 return false; | |
| 38 } | |
| 39 | |
| 40 | |
| 41 void | |
| 42 gfxFontFeatureValueSet::AddFontFeatureValues(const nsAString& aFamily, | |
| 43 const nsTArray<gfxFontFeatureValueSet::FeatureValues>& aValues) | |
| 44 { | |
| 45 nsAutoString family(aFamily); | |
| 46 ToLowerCase(family); | |
| 47 | |
| 48 uint32_t i, numFeatureValues = aValues.Length(); | |
| 49 for (i = 0; i < numFeatureValues; i++) { | |
| 50 const FeatureValues& fv = aValues.ElementAt(i); | |
| 51 uint32_t alternate = fv.alternate; | |
| 52 uint32_t j, numValues = fv.valuelist.Length(); | |
| 53 for (j = 0; j < numValues; j++) { | |
| 54 const ValueList& v = fv.valuelist.ElementAt(j); | |
| 55 nsAutoString name(v.name); | |
| 56 ToLowerCase(name); | |
| 57 FeatureValueHashKey key(family, alternate, name); | |
| 58 FeatureValueHashEntry *entry = mFontFeatureValues.PutEntry(key); | |
| 59 entry->mKey = key; | |
| 60 entry->mValues = v.featureSelectors; | |
| 61 } | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 bool | |
| 66 gfxFontFeatureValueSet::FeatureValueHashEntry::KeyEquals( | |
| 67 const KeyTypePointer aKey) const | |
| 68 { | |
| 69 return aKey->mPropVal == mKey.mPropVal && | |
| 70 aKey->mFamily.Equals(mKey.mFamily) && | |
| 71 aKey->mName.Equals(mKey.mName); | |
| 72 } | |
| 73 | |
| 74 PLDHashNumber | |
| 75 gfxFontFeatureValueSet::FeatureValueHashEntry::HashKey( | |
| 76 const KeyTypePointer aKey) | |
| 77 { | |
| 78 return HashString(aKey->mFamily) + HashString(aKey->mName) + | |
| 79 aKey->mPropVal * uint32_t(0xdeadbeef); | |
| 80 } | |
| 81 |
