summaryrefslogtreecommitdiffstats
path: root/gfx/thebes/gfxFontFeatures.cpp
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/thebes/gfxFontFeatures.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/thebes/gfxFontFeatures.cpp')
-rw-r--r--gfx/thebes/gfxFontFeatures.cpp81
1 files changed, 81 insertions, 0 deletions
diff --git a/gfx/thebes/gfxFontFeatures.cpp b/gfx/thebes/gfxFontFeatures.cpp
new file mode 100644
index 000000000..dcc5e369a
--- /dev/null
+++ b/gfx/thebes/gfxFontFeatures.cpp
@@ -0,0 +1,81 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "gfxFontFeatures.h"
+#include "nsUnicharUtils.h"
+#include "nsHashKeys.h"
+
+using namespace mozilla;
+
+gfxFontFeatureValueSet::gfxFontFeatureValueSet()
+ : mFontFeatureValues(8)
+{
+}
+
+bool
+gfxFontFeatureValueSet::GetFontFeatureValuesFor(const nsAString& aFamily,
+ uint32_t aVariantProperty,
+ const nsAString& aName,
+ nsTArray<uint32_t>& aValues)
+{
+ nsAutoString family(aFamily), name(aName);
+ ToLowerCase(family);
+ ToLowerCase(name);
+ FeatureValueHashKey key(family, aVariantProperty, name);
+
+ aValues.Clear();
+ FeatureValueHashEntry *entry = mFontFeatureValues.GetEntry(key);
+ if (entry) {
+ NS_ASSERTION(entry->mValues.Length() > 0,
+ "null array of font feature values");
+ aValues.AppendElements(entry->mValues);
+ return true;
+ }
+
+ return false;
+}
+
+
+void
+gfxFontFeatureValueSet::AddFontFeatureValues(const nsAString& aFamily,
+ const nsTArray<gfxFontFeatureValueSet::FeatureValues>& aValues)
+{
+ nsAutoString family(aFamily);
+ ToLowerCase(family);
+
+ uint32_t i, numFeatureValues = aValues.Length();
+ for (i = 0; i < numFeatureValues; i++) {
+ const FeatureValues& fv = aValues.ElementAt(i);
+ uint32_t alternate = fv.alternate;
+ uint32_t j, numValues = fv.valuelist.Length();
+ for (j = 0; j < numValues; j++) {
+ const ValueList& v = fv.valuelist.ElementAt(j);
+ nsAutoString name(v.name);
+ ToLowerCase(name);
+ FeatureValueHashKey key(family, alternate, name);
+ FeatureValueHashEntry *entry = mFontFeatureValues.PutEntry(key);
+ entry->mKey = key;
+ entry->mValues = v.featureSelectors;
+ }
+ }
+}
+
+bool
+gfxFontFeatureValueSet::FeatureValueHashEntry::KeyEquals(
+ const KeyTypePointer aKey) const
+{
+ return aKey->mPropVal == mKey.mPropVal &&
+ aKey->mFamily.Equals(mKey.mFamily) &&
+ aKey->mName.Equals(mKey.mName);
+}
+
+PLDHashNumber
+gfxFontFeatureValueSet::FeatureValueHashEntry::HashKey(
+ const KeyTypePointer aKey)
+{
+ return HashString(aKey->mFamily) + HashString(aKey->mName) +
+ aKey->mPropVal * uint32_t(0xdeadbeef);
+}
+