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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cmap.h" | 5 #include "cmap.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <set> | 8 #include <set> |
9 #include <utility> | 9 #include <utility> |
10 #include <vector> | 10 #include <vector> |
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1016 for (unsigned i = 0; i < num_groups; ++i) { | 1016 for (unsigned i = 0; i < num_groups; ++i) { |
1017 if (!out->WriteU32(groups[i].start_range) || | 1017 if (!out->WriteU32(groups[i].start_range) || |
1018 !out->WriteU32(groups[i].end_range) || | 1018 !out->WriteU32(groups[i].end_range) || |
1019 !out->WriteU32(groups[i].start_glyph_id)) { | 1019 !out->WriteU32(groups[i].start_glyph_id)) { |
1020 return OTS_FAILURE(); | 1020 return OTS_FAILURE(); |
1021 } | 1021 } |
1022 } | 1022 } |
1023 } | 1023 } |
1024 | 1024 |
1025 const off_t table_end = out->Tell(); | 1025 const off_t table_end = out->Tell(); |
1026 // We might have hanging bytes from the above's checksum which the OTSStream | |
1027 // then merges into the table of offsets. | |
1028 OTSStream::ChecksumState saved_checksum = out->SaveChecksumState(); | |
1029 out->ResetChecksum(); | |
1030 | 1026 |
1031 // Now seek back and write the table of offsets | 1027 // Now seek back and write the table of offsets |
1032 if (!out->Seek(record_offset)) { | 1028 if (!out->Seek(record_offset)) { |
1033 return OTS_FAILURE(); | 1029 return OTS_FAILURE(); |
1034 } | 1030 } |
1035 | 1031 |
1036 if (have_034) { | 1032 if (have_034) { |
1037 if (!out->WriteU16(0) || | 1033 if (!out->WriteU16(0) || |
1038 !out->WriteU16(3) || | 1034 !out->WriteU16(3) || |
1039 !out->WriteU32(offset_034 - table_start)) { | 1035 !out->WriteU32(offset_034 - table_start)) { |
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1085 if (!out->WriteU16(3) || | 1081 if (!out->WriteU16(3) || |
1086 !out->WriteU16(10) || | 1082 !out->WriteU16(10) || |
1087 !out->WriteU32(offset_31013 - table_start)) { | 1083 !out->WriteU32(offset_31013 - table_start)) { |
1088 return OTS_FAILURE(); | 1084 return OTS_FAILURE(); |
1089 } | 1085 } |
1090 } | 1086 } |
1091 | 1087 |
1092 if (!out->Seek(table_end)) { | 1088 if (!out->Seek(table_end)) { |
1093 return OTS_FAILURE(); | 1089 return OTS_FAILURE(); |
1094 } | 1090 } |
1095 out->RestoreChecksum(saved_checksum); | |
1096 | 1091 |
1097 return true; | 1092 return true; |
1098 } | 1093 } |
1099 | 1094 |
1100 void ots_cmap_free(OpenTypeFile *file) { | 1095 void ots_cmap_free(OpenTypeFile *file) { |
1101 delete file->cmap; | 1096 delete file->cmap; |
1102 } | 1097 } |
1103 | 1098 |
1104 } // namespace ots | 1099 } // namespace ots |
1105 | 1100 |
1106 #undef TABLE_NAME | 1101 #undef TABLE_NAME |
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