| Index: third_party/ots/src/loca.cc
|
| diff --git a/third_party/ots/src/loca.cc b/third_party/ots/src/loca.cc
|
| deleted file mode 100644
|
| index 4b291f028c0848dacbaec63c68db5da5d11bcd40..0000000000000000000000000000000000000000
|
| --- a/third_party/ots/src/loca.cc
|
| +++ /dev/null
|
| @@ -1,104 +0,0 @@
|
| -// Copyright (c) 2009 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "loca.h"
|
| -
|
| -#include "head.h"
|
| -#include "maxp.h"
|
| -
|
| -// loca - Index to Location
|
| -// http://www.microsoft.com/typography/otspec/loca.htm
|
| -
|
| -#define TABLE_NAME "loca"
|
| -
|
| -namespace ots {
|
| -
|
| -bool ots_loca_parse(OpenTypeFile *file, const uint8_t *data, size_t length) {
|
| - Buffer table(data, length);
|
| -
|
| - // We can't do anything useful in validating this data except to ensure that
|
| - // the values are monotonically increasing.
|
| -
|
| - OpenTypeLOCA *loca = new OpenTypeLOCA;
|
| - file->loca = loca;
|
| -
|
| - if (!file->maxp || !file->head) {
|
| - return OTS_FAILURE_MSG("maxp or head tables missing from font, needed by loca");
|
| - }
|
| -
|
| - const unsigned num_glyphs = file->maxp->num_glyphs;
|
| - unsigned last_offset = 0;
|
| - loca->offsets.resize(num_glyphs + 1);
|
| - // maxp->num_glyphs is uint16_t, thus the addition never overflows.
|
| -
|
| - if (file->head->index_to_loc_format == 0) {
|
| - // Note that the <= here (and below) is correct. There is one more offset
|
| - // than the number of glyphs in order to give the length of the final
|
| - // glyph.
|
| - for (unsigned i = 0; i <= num_glyphs; ++i) {
|
| - uint16_t offset = 0;
|
| - if (!table.ReadU16(&offset)) {
|
| - return OTS_FAILURE_MSG("Failed to read offset for glyph %d", i);
|
| - }
|
| - if (offset < last_offset) {
|
| - return OTS_FAILURE_MSG("Out of order offset %d < %d for glyph %d", offset, last_offset, i);
|
| - }
|
| - last_offset = offset;
|
| - loca->offsets[i] = offset * 2;
|
| - }
|
| - } else {
|
| - for (unsigned i = 0; i <= num_glyphs; ++i) {
|
| - uint32_t offset = 0;
|
| - if (!table.ReadU32(&offset)) {
|
| - return OTS_FAILURE_MSG("Failed to read offset for glyph %d", i);
|
| - }
|
| - if (offset < last_offset) {
|
| - return OTS_FAILURE_MSG("Out of order offset %d < %d for glyph %d", offset, last_offset, i);
|
| - }
|
| - last_offset = offset;
|
| - loca->offsets[i] = offset;
|
| - }
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool ots_loca_should_serialise(OpenTypeFile *file) {
|
| - return file->loca != NULL;
|
| -}
|
| -
|
| -bool ots_loca_serialise(OTSStream *out, OpenTypeFile *file) {
|
| - const OpenTypeLOCA *loca = file->loca;
|
| - const OpenTypeHEAD *head = file->head;
|
| -
|
| - if (!head) {
|
| - return OTS_FAILURE_MSG("Missing head table in font needed by loca");
|
| - }
|
| -
|
| - if (head->index_to_loc_format == 0) {
|
| - for (unsigned i = 0; i < loca->offsets.size(); ++i) {
|
| - const uint16_t offset = static_cast<uint16_t>(loca->offsets[i] >> 1);
|
| - if ((offset != (loca->offsets[i] >> 1)) ||
|
| - !out->WriteU16(offset)) {
|
| - return OTS_FAILURE_MSG("Failed to write glyph offset for glyph %d", i);
|
| - }
|
| - }
|
| - } else {
|
| - for (unsigned i = 0; i < loca->offsets.size(); ++i) {
|
| - if (!out->WriteU32(loca->offsets[i])) {
|
| - return OTS_FAILURE_MSG("Failed to write glyph offset for glyph %d", i);
|
| - }
|
| - }
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -void ots_loca_free(OpenTypeFile *file) {
|
| - delete file->loca;
|
| -}
|
| -
|
| -} // namespace ots
|
| -
|
| -#undef TABLE_NAME
|
|
|