diff options
Diffstat (limited to 'modules/woff2/src/woff2_enc.cc')
| -rw-r--r-- | modules/woff2/src/woff2_enc.cc | 69 |
1 files changed, 30 insertions, 39 deletions
diff --git a/modules/woff2/src/woff2_enc.cc b/modules/woff2/src/woff2_enc.cc index d100ad51b..ec00878bc 100644 --- a/modules/woff2/src/woff2_enc.cc +++ b/modules/woff2/src/woff2_enc.cc @@ -1,20 +1,12 @@ -// Copyright 2014 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. -// -// Library for converting TTF format font files to their WOFF2 versions. - -#include "./woff2_enc.h" +/* Copyright 2014 Google Inc. All Rights Reserved. + + Distributed under MIT license. + See file LICENSE for detail or copy at https://opensource.org/licenses/MIT +*/ + +/* Library for converting TTF format font files to their WOFF2 versions. */ + +#include <woff2/encode.h> #include <stdlib.h> #include <complex> @@ -23,7 +15,7 @@ #include <string> #include <vector> -#include "./compressor.h" +#include <brotli/encode.h> #include "./buffer.h" #include "./font.h" #include "./normalize.h" @@ -34,7 +26,6 @@ #include "./variable_length.h" #include "./woff2_common.h" - namespace woff2 { namespace { @@ -47,16 +38,11 @@ using std::vector; const size_t kWoff2HeaderSize = 48; const size_t kWoff2EntrySize = 20; - -bool Compress(const uint8_t* data, const size_t len, - uint8_t* result, uint32_t* result_len, - brotli::BrotliParams::Mode mode, int quality) { +bool Compress(const uint8_t* data, const size_t len, uint8_t* result, + uint32_t* result_len, BrotliEncoderMode mode, int quality) { size_t compressed_len = *result_len; - brotli::BrotliParams params; - params.mode = mode; - params.quality = quality; - if (brotli::BrotliCompressBuffer(params, len, data, &compressed_len, result) - == 0) { + if (BrotliEncoderCompress(quality, BROTLI_DEFAULT_WINDOW, mode, len, data, + &compressed_len, result) == 0) { return false; } *result_len = compressed_len; @@ -67,14 +53,14 @@ bool Woff2Compress(const uint8_t* data, const size_t len, uint8_t* result, uint32_t* result_len, int quality) { return Compress(data, len, result, result_len, - brotli::BrotliParams::MODE_FONT, quality); + BROTLI_MODE_FONT, quality); } bool TextCompress(const uint8_t* data, const size_t len, uint8_t* result, uint32_t* result_len, int quality) { return Compress(data, len, result, result_len, - brotli::BrotliParams::MODE_TEXT, quality); + BROTLI_MODE_TEXT, quality); } int KnownTableIndex(uint32_t tag) { @@ -111,7 +97,8 @@ size_t TableEntrySize(const Table& table) { size_t ComputeWoff2Length(const FontCollection& font_collection, const std::vector<Table>& tables, - std::map<uint32_t, uint16_t> index_by_offset, + std::map<std::pair<uint32_t, uint32_t>, uint16_t> + index_by_tag_offset, size_t compressed_data_length, size_t extended_metadata_length) { size_t size = kWoff2HeaderSize; @@ -134,7 +121,8 @@ size_t ComputeWoff2Length(const FontCollection& font_collection, // no collection entry for xform table if (table.tag & 0x80808080) continue; - uint16_t table_index = index_by_offset[table.offset]; + std::pair<uint32_t, uint32_t> tag_offset(table.tag, table.offset); + uint16_t table_index = index_by_tag_offset[tag_offset]; size += Size255UShort(table_index); // 255UInt16 index entry } } @@ -326,7 +314,7 @@ bool ConvertTTFToWOFF2(const uint8_t *data, size_t length, } std::vector<Table> tables; - std::map<uint32_t, uint16_t> index_by_offset; + std::map<std::pair<uint32_t, uint32_t>, uint16_t> index_by_tag_offset; for (const auto& font : font_collection.fonts) { @@ -336,8 +324,9 @@ bool ConvertTTFToWOFF2(const uint8_t *data, size_t length, continue; } - if (index_by_offset.find(src_table.offset) == index_by_offset.end()) { - index_by_offset[src_table.offset] = tables.size(); + std::pair<uint32_t, uint32_t> tag_offset(src_table.tag, src_table.offset); + if (index_by_tag_offset.find(tag_offset) == index_by_tag_offset.end()) { + index_by_tag_offset[tag_offset] = tables.size(); } else { return false; } @@ -362,7 +351,8 @@ bool ConvertTTFToWOFF2(const uint8_t *data, size_t length, } size_t woff2_length = ComputeWoff2Length(font_collection, tables, - index_by_offset, total_compressed_length, compressed_metadata_buf_length); + index_by_tag_offset, total_compressed_length, + compressed_metadata_buf_length); if (woff2_length > *result_length) { #ifdef FONT_COMPRESSION_BIN fprintf(stderr, "Result allocation was too small (%zd vs %zd bytes).\n", @@ -435,14 +425,15 @@ bool ConvertTTFToWOFF2(const uint8_t *data, size_t length, table.IsReused() ? table.reuse_of->offset : table.offset; uint32_t table_length = table.IsReused() ? table.reuse_of->length : table.length; - if (index_by_offset.find(table_offset) == index_by_offset.end()) { + std::pair<uint32_t, uint32_t> tag_offset(table.tag, table_offset); + if (index_by_tag_offset.find(tag_offset) == index_by_tag_offset.end()) { #ifdef FONT_COMPRESSION_BIN - fprintf(stderr, "Missing table index for offset 0x%08x\n", +fprintf(stderr, "Missing table index for offset 0x%08x\n", table_offset); #endif return FONT_COMPRESSION_FAILURE(); } - uint16_t index = index_by_offset[table_offset]; + uint16_t index = index_by_tag_offset[tag_offset]; Store255UShort(index, &offset, result); } |