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author | Android Chromium Automerger <chromium-automerger@android> | 2013-11-22 00:22:29 +0000 |
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committer | Android Chromium Automerger <chromium-automerger@android> | 2013-11-22 00:22:29 +0000 |
commit | 4a8c3597eb72a7042ead9632e4c3e4fddb5ac695 (patch) | |
tree | 3409a319b231317c63b0b3477c161c76822bcb92 /sfntly/tools/subsetter/subsetter.cc | |
parent | 0232d0f400400568410e1f85e7aba28bcd2ac183 (diff) | |
parent | 8f090032dd4f8f8908f338cc73bb840b788377f2 (diff) | |
download | src-4a8c3597eb72a7042ead9632e4c3e4fddb5ac695.tar.gz |
Merge third_party/sfntly/cpp/src from https://chromium.googlesource.com/external/sfntly/cpp/src.git at 8f090032dd4f8f8908f338cc73bb840b788377f2
This commit was generated by merge_from_chromium.py.
Change-Id: I6bab7aea653201e125014f7b81504acf7b846300
Diffstat (limited to 'sfntly/tools/subsetter/subsetter.cc')
-rw-r--r-- | sfntly/tools/subsetter/subsetter.cc | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/sfntly/tools/subsetter/subsetter.cc b/sfntly/tools/subsetter/subsetter.cc new file mode 100644 index 0000000..7d98779 --- /dev/null +++ b/sfntly/tools/subsetter/subsetter.cc @@ -0,0 +1,102 @@ +/* + * Copyright 2011 Google Inc. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "sfntly/tools/subsetter/subsetter.h" + +#include <algorithm> +#include <iterator> + +#include "sfntly/tools/subsetter/glyph_table_subsetter.h" + +namespace sfntly { + +Subsetter::Subsetter(Font* font, FontFactory* font_factory) { + font_ = font; + font_factory_ = font_factory; + TableSubsetterPtr subsetter = new GlyphTableSubsetter(); + // TODO(arthurhsu): IMPLEMENT: CMap table subsetter + table_subsetters_.push_back(subsetter); +} + +Subsetter::~Subsetter() { + font_factory_.Release(); + font_.Release(); + table_subsetters_.clear(); +} + +void Subsetter::SetGlyphs(IntegerList* glyphs) { + new_to_old_glyphs_ = *glyphs; +} + +void Subsetter::SetCMaps(CMapIdList* cmap_ids, int32_t number) { + UNREFERENCED_PARAMETER(cmap_ids); + UNREFERENCED_PARAMETER(number); + // TODO(arthurhsu): IMPLEMENT +} + +void Subsetter::SetRemoveTables(IntegerSet* remove_tables) { + remove_tables_ = *remove_tables; +} + +CALLER_ATTACH Font::Builder* Subsetter::Subset() { + FontBuilderPtr font_builder; + font_builder.Attach(font_factory_->NewFontBuilder()); + + IntegerSet table_tags; + for (TableMap::const_iterator i = font_->GetTableMap()->begin(), + e = font_->GetTableMap()->end(); i != e; ++i) { + table_tags.insert(i->first); + } + if (!remove_tables_.empty()) { + IntegerSet result; + std::set_difference(table_tags.begin(), table_tags.end(), + remove_tables_.begin(), remove_tables_.end(), + std::inserter(result, result.end())); + table_tags = result; + } + for (TableSubsetterList::iterator + table_subsetter = table_subsetters_.begin(), + table_subsetter_end = table_subsetters_.end(); + table_subsetter != table_subsetter_end; ++table_subsetter) { + bool handled = (*table_subsetter)->Subset(this, font_, font_builder); + if (handled) { + IntegerSet* handled_tags = (*table_subsetter)->TagsHandled(); + IntegerSet result; + std::set_difference(table_tags.begin(), table_tags.end(), + handled_tags->begin(), handled_tags->end(), + std::inserter(result, result.end())); + table_tags = result; + } + } + for (IntegerSet::iterator tag = table_tags.begin(), + tag_end = table_tags.end(); tag != tag_end; ++tag) { + Table* table = font_->GetTable(*tag); + if (table) { + font_builder->NewTableBuilder(*tag, table->ReadFontData()); + } + } + return font_builder.Detach(); +} + +IntegerList* Subsetter::GlyphPermutationTable() { + return &new_to_old_glyphs_; +} + +CMapIdList* Subsetter::CMapId() { + return &cmap_ids_; +} + +} // namespace sfntly |