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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "vhea.h" | 5 #include "vhea.h" |
6 | 6 |
7 #include "gsub.h" | |
8 #include "head.h" | 7 #include "head.h" |
9 #include "maxp.h" | 8 #include "maxp.h" |
10 | 9 |
11 // vhea - Vertical Header Table | 10 // vhea - Vertical Header Table |
12 // http://www.microsoft.com/typography/otspec/vhea.htm | 11 // http://www.microsoft.com/typography/otspec/vhea.htm |
13 | 12 |
14 #define TABLE_NAME "vhea" | 13 #define TABLE_NAME "vhea" |
15 | 14 |
16 namespace ots { | 15 namespace ots { |
17 | 16 |
(...skipping 12 matching lines...) Expand all Loading... |
30 | 29 |
31 if (!ParseMetricsHeader(font, &table, &vhea->header)) { | 30 if (!ParseMetricsHeader(font, &table, &vhea->header)) { |
32 return OTS_FAILURE_MSG("Failed to parse metrics in vhea"); | 31 return OTS_FAILURE_MSG("Failed to parse metrics in vhea"); |
33 } | 32 } |
34 | 33 |
35 return true; | 34 return true; |
36 } | 35 } |
37 | 36 |
38 bool ots_vhea_should_serialise(Font *font) { | 37 bool ots_vhea_should_serialise(Font *font) { |
39 // vhea should'nt serialise when vmtx doesn't exist. | 38 // vhea should'nt serialise when vmtx doesn't exist. |
40 // Firefox developer pointed out that vhea/vmtx should serialise iff GSUB is | 39 return font->vhea != NULL && font->vmtx != NULL; |
41 // preserved. See http://crbug.com/77386 | |
42 return font->vhea != NULL && font->vmtx != NULL && | |
43 ots_gsub_should_serialise(font); | |
44 } | 40 } |
45 | 41 |
46 bool ots_vhea_serialise(OTSStream *out, Font *font) { | 42 bool ots_vhea_serialise(OTSStream *out, Font *font) { |
47 if (!SerialiseMetricsHeader(font, out, &font->vhea->header)) { | 43 if (!SerialiseMetricsHeader(font, out, &font->vhea->header)) { |
48 return OTS_FAILURE_MSG("Failed to write vhea metrics"); | 44 return OTS_FAILURE_MSG("Failed to write vhea metrics"); |
49 } | 45 } |
50 return true; | 46 return true; |
51 } | 47 } |
52 | 48 |
53 void ots_vhea_reuse(Font *font, Font *other) { | 49 void ots_vhea_reuse(Font *font, Font *other) { |
54 font->vhea = other->vhea; | 50 font->vhea = other->vhea; |
55 font->vhea_reused = true; | 51 font->vhea_reused = true; |
56 } | 52 } |
57 | 53 |
58 void ots_vhea_free(Font *font) { | 54 void ots_vhea_free(Font *font) { |
59 delete font->vhea; | 55 delete font->vhea; |
60 } | 56 } |
61 | 57 |
62 } // namespace ots | 58 } // namespace ots |
63 | 59 |
64 #undef TABLE_NAME | 60 #undef TABLE_NAME |
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