Index: third_party/ots/src/gasp.cc |
diff --git a/third_party/ots/src/gasp.cc b/third_party/ots/src/gasp.cc |
deleted file mode 100644 |
index 1e2327f19bc4c2ca10cc88adeb2390827d870488..0000000000000000000000000000000000000000 |
--- a/third_party/ots/src/gasp.cc |
+++ /dev/null |
@@ -1,114 +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 "gasp.h" |
- |
-// gasp - Grid-fitting And Scan-conversion Procedure |
-// http://www.microsoft.com/typography/otspec/gasp.htm |
- |
-#define TABLE_NAME "gasp" |
- |
-#define DROP_THIS_TABLE(...) \ |
- do { \ |
- OTS_FAILURE_MSG_(file, TABLE_NAME ": " __VA_ARGS__); \ |
- OTS_FAILURE_MSG("Table discarded"); \ |
- delete file->gasp; \ |
- file->gasp = 0; \ |
- } while (0) |
- |
-namespace ots { |
- |
-bool ots_gasp_parse(OpenTypeFile *file, const uint8_t *data, size_t length) { |
- Buffer table(data, length); |
- |
- OpenTypeGASP *gasp = new OpenTypeGASP; |
- file->gasp = gasp; |
- |
- uint16_t num_ranges = 0; |
- if (!table.ReadU16(&gasp->version) || |
- !table.ReadU16(&num_ranges)) { |
- return OTS_FAILURE_MSG("Failed to read table header"); |
- } |
- |
- if (gasp->version > 1) { |
- // Lots of Linux fonts have bad version numbers... |
- DROP_THIS_TABLE("bad version: %u", gasp->version); |
- return true; |
- } |
- |
- if (num_ranges == 0) { |
- DROP_THIS_TABLE("num_ranges is zero"); |
- return true; |
- } |
- |
- gasp->gasp_ranges.reserve(num_ranges); |
- for (unsigned i = 0; i < num_ranges; ++i) { |
- uint16_t max_ppem = 0; |
- uint16_t behavior = 0; |
- if (!table.ReadU16(&max_ppem) || |
- !table.ReadU16(&behavior)) { |
- return OTS_FAILURE_MSG("Failed to read subrange %d", i); |
- } |
- if ((i > 0) && (gasp->gasp_ranges[i - 1].first >= max_ppem)) { |
- // The records in the gaspRange[] array must be sorted in order of |
- // increasing rangeMaxPPEM value. |
- DROP_THIS_TABLE("ranges are not sorted"); |
- return true; |
- } |
- if ((i == num_ranges - 1u) && // never underflow. |
- (max_ppem != 0xffffu)) { |
- DROP_THIS_TABLE("The last record should be 0xFFFF as a sentinel value " |
- "for rangeMaxPPEM"); |
- return true; |
- } |
- |
- if (behavior >> 8) { |
- OTS_WARNING("undefined bits are used: %x", behavior); |
- // mask undefined bits. |
- behavior &= 0x000fu; |
- } |
- |
- if (gasp->version == 0 && (behavior >> 2) != 0) { |
- OTS_WARNING("changed the version number to 1"); |
- gasp->version = 1; |
- } |
- |
- gasp->gasp_ranges.push_back(std::make_pair(max_ppem, behavior)); |
- } |
- |
- return true; |
-} |
- |
-bool ots_gasp_should_serialise(OpenTypeFile *file) { |
- return file->gasp != NULL; |
-} |
- |
-bool ots_gasp_serialise(OTSStream *out, OpenTypeFile *file) { |
- const OpenTypeGASP *gasp = file->gasp; |
- |
- const uint16_t num_ranges = static_cast<uint16_t>(gasp->gasp_ranges.size()); |
- if (num_ranges != gasp->gasp_ranges.size() || |
- !out->WriteU16(gasp->version) || |
- !out->WriteU16(num_ranges)) { |
- return OTS_FAILURE_MSG("failed to write gasp header"); |
- } |
- |
- for (uint16_t i = 0; i < num_ranges; ++i) { |
- if (!out->WriteU16(gasp->gasp_ranges[i].first) || |
- !out->WriteU16(gasp->gasp_ranges[i].second)) { |
- return OTS_FAILURE_MSG("Failed to write gasp subtable %d", i); |
- } |
- } |
- |
- return true; |
-} |
- |
-void ots_gasp_free(OpenTypeFile *file) { |
- delete file->gasp; |
-} |
- |
-} // namespace ots |
- |
-#undef TABLE_NAME |
-#undef DROP_THIS_TABLE |