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 |