mirror of
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Use built in CMaps and unify the glyph mapping.
This commit is contained in:
Brendan Dahl
parent
7be2d6db58
commit
b5b94a4af3
16 changed files with 891 additions and 1130 deletions
437
src/core/cmap.js
437
src/core/cmap.js
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@ -15,184 +15,199 @@
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* limitations under the License.
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*/
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/* globals Util, isString, isInt, warn, error, isCmd, isEOF, isName, Lexer,
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isStream */
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isStream, StringStream */
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'use strict';
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var CMAP_CODESPACES = {
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'Adobe-CNS1-0': [[], [0, 14335]],
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'Adobe-CNS1-1': [[], [0, 17407]],
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'Adobe-CNS1-2': [[], [0, 17663]],
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'Adobe-CNS1-3': [[], [0, 18943]],
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'Adobe-CNS1-4': [[], [0, 19199]],
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'Adobe-CNS1-5': [[], [0, 19199]],
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'Adobe-CNS1-6': [[], [0, 19199]],
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'Adobe-CNS1-UCS2': [[], [0, 65535]],
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'B5-H': [[0, 128], [41280, 65278]],
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'B5-V': [[0, 128], [41280, 65278]],
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'B5pc-H': [[0, 128, 253, 255], [41280, 64766]],
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'B5pc-V': [[0, 128, 253, 255], [41280, 64766]],
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'CNS-EUC-H': [[0, 128], [41377, 65278], [],
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[2392957345, 2392981246, 2393022881, 2393046782, 2393088417, 2393112318]],
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'CNS-EUC-V': [[0, 128], [41377, 65278], [],
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[2392957345, 2392981246, 2393022881, 2393046782, 2393088417, 2393112318]],
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'CNS1-H': [[], [8481, 32382]],
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'CNS1-V': [[], [8481, 32382]],
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'CNS2-H': [[], [8481, 32382]],
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'CNS2-V': [[], [8481, 32382]],
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'ETen-B5-H': [[0, 128], [41280, 65278]],
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'ETen-B5-V': [[0, 128], [41280, 65278]],
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'ETenms-B5-H': [[0, 128], [41280, 65278]],
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'ETenms-B5-V': [[0, 128], [41280, 65278]],
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'ETHK-B5-H': [[0, 128], [34624, 65278]],
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'ETHK-B5-V': [[0, 128], [34624, 65278]],
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'HKdla-B5-H': [[0, 128], [41280, 65278]],
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'HKdla-B5-V': [[0, 128], [41280, 65278]],
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'HKdlb-B5-H': [[0, 128], [36416, 65278]],
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'HKdlb-B5-V': [[0, 128], [36416, 65278]],
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'HKgccs-B5-H': [[0, 128], [35392, 65278]],
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'HKgccs-B5-V': [[0, 128], [35392, 65278]],
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'HKm314-B5-H': [[0, 128], [41280, 65278]],
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'HKm314-B5-V': [[0, 128], [41280, 65278]],
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'HKm471-B5-H': [[0, 128], [41280, 65278]],
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'HKm471-B5-V': [[0, 128], [41280, 65278]],
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'HKscs-B5-H': [[0, 128], [34624, 65278]],
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'HKscs-B5-V': [[0, 128], [34624, 65278]],
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'UniCNS-UCS2-H': [[], [0, 55295, 57344, 65535]],
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'UniCNS-UCS2-V': [[], [0, 55295, 57344, 65535]],
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'UniCNS-UTF16-H': [[], [0, 55295, 57344, 65535], [],
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[3623934976, 3690979327]],
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'UniCNS-UTF16-V': [[], [0, 55295, 57344, 65535], [],
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[3623934976, 3690979327]],
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'Adobe-GB1-0': [[], [0, 7935]],
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'Adobe-GB1-1': [[], [0, 9983]],
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'Adobe-GB1-2': [[], [0, 22271]],
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'Adobe-GB1-3': [[], [0, 22527]],
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'Adobe-GB1-4': [[], [0, 29183]],
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'Adobe-GB1-5': [[], [0, 30463]],
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'Adobe-GB1-UCS2': [[], [0, 65535]],
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'GB-EUC-H': [[0, 128], [41377, 65278]],
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'GB-EUC-V': [[0, 128], [41377, 65278]],
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'GB-H': [[], [8481, 32382]],
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'GB-V': [[], [8481, 32382]],
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'GBK-EUC-H': [[0, 128], [33088, 65278]],
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'GBK-EUC-V': [[0, 128], [33088, 65278]],
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'GBK2K-H': [[0, 127], [33088, 65278], [], [2167439664, 4265213497]],
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'GBK2K-V': [[0, 127], [33088, 65278], [], [2167439664, 4265213497]],
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'GBKp-EUC-H': [[0, 128], [33088, 65278]],
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'GBKp-EUC-V': [[0, 128], [33088, 65278]],
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'GBpc-EUC-H': [[0, 128, 253, 255], [41377, 64766]],
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'GBpc-EUC-V': [[0, 128, 253, 255], [41377, 64766]],
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'GBT-EUC-H': [[0, 128], [41377, 65278]],
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'GBT-EUC-V': [[0, 128], [41377, 65278]],
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'GBT-H': [[], [8481, 32382]],
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'GBT-V': [[], [8481, 32382]],
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'GBTpc-EUC-H': [[0, 128, 253, 255], [41377, 64766]],
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'GBTpc-EUC-V': [[0, 128, 253, 255], [41377, 64766]],
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'UniGB-UCS2-H': [[], [0, 55295, 57344, 65535]],
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'UniGB-UCS2-V': [[], [0, 55295, 57344, 65535]],
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'UniGB-UTF16-H': [[], [0, 55295, 57344, 65535], [], [3623934976, 3690979327]],
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'UniGB-UTF16-V': [[], [0, 55295, 57344, 65535], [], [3623934976, 3690979327]],
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'78-EUC-H': [[0, 128], [36512, 36575, 41377, 65278]],
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'78-EUC-V': [[0, 128], [36512, 36575, 41377, 65278]],
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'78-H': [[], [8481, 32382]],
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'78-RKSJ-H': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'78-RKSJ-V': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'78-V': [[], [8481, 32382]],
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'78ms-RKSJ-H': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'78ms-RKSJ-V': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'83pv-RKSJ-H': [[0, 128, 160, 223, 253, 255], [33088, 40956, 57408, 64764]],
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'90ms-RKSJ-H': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'90ms-RKSJ-V': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'90msp-RKSJ-H': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'90msp-RKSJ-V': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'90pv-RKSJ-H': [[0, 128, 160, 223, 253, 255], [33088, 40956, 57408, 64764]],
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'90pv-RKSJ-V': [[0, 128, 160, 223, 253, 255], [33088, 40956, 57408, 64764]],
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'Add-H': [[], [8481, 32382]],
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'Add-RKSJ-H': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'Add-RKSJ-V': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'Add-V': [[], [8481, 32382]],
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'Adobe-Japan1-0': [[], [0, 8447]],
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'Adobe-Japan1-1': [[], [0, 8447]],
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'Adobe-Japan1-2': [[], [0, 8959]],
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'Adobe-Japan1-3': [[], [0, 9471]],
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'Adobe-Japan1-4': [[], [0, 15615]],
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'Adobe-Japan1-5': [[], [0, 20479]],
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'Adobe-Japan1-6': [[], [0, 23295]],
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'Adobe-Japan1-UCS2': [[], [0, 65535]],
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'Adobe-Japan2-0': [[], [0, 6143]],
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'EUC-H': [[0, 128], [36512, 36575, 41377, 65278]],
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'EUC-V': [[0, 128], [36512, 36575, 41377, 65278]],
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'Ext-H': [[], [8481, 32382]],
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'Ext-RKSJ-H': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'Ext-RKSJ-V': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'Ext-V': [[], [8481, 32382]],
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'H': [[], [8481, 32382]],
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'Hankaku': [[0, 255], []],
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'Hiragana': [[0, 255], []],
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'Hojo-EUC-H': [[], [], [9413025, 9436926], []],
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'Hojo-EUC-V': [[], [], [9413025, 9436926], []],
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'Hojo-H': [[], [8481, 32382]],
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'Hojo-V': [[], [8481, 32382]],
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'Katakana': [[0, 255], []],
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'NWP-H': [[], [8481, 32382]],
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'NWP-V': [[], [8481, 32382]],
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'RKSJ-H': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'RKSJ-V': [[0, 128, 160, 223], [33088, 40956, 57408, 64764]],
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'Roman': [[0, 255], []],
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'UniHojo-UCS2-H': [[], [0, 55295, 57344, 65535]],
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'UniHojo-UCS2-V': [[], [0, 55295, 57344, 65535]],
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'UniHojo-UTF16-H': [[], [0, 55295, 57344, 65535], [],
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[3623934976, 3690979327]],
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'UniHojo-UTF16-V': [[], [0, 55295, 57344, 65535], [],
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[3623934976, 3690979327]],
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'UniJIS-UCS2-H': [[], [0, 55295, 57344, 65535]],
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'UniJIS-UCS2-HW-H': [[], [0, 55295, 57344, 65535]],
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'UniJIS-UCS2-HW-V': [[], [0, 55295, 57344, 65535]],
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'UniJIS-UCS2-V': [[], [0, 55295, 57344, 65535]],
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'UniJIS-UTF16-H': [[], [0, 55295, 57344, 65535], [],
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[3623934976, 3690979327]],
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'UniJIS-UTF16-V': [[], [0, 55295, 57344, 65535], [],
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[3623934976, 3690979327]],
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'UniJISPro-UCS2-HW-V': [[], [0, 55295, 57344, 65535]],
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'UniJISPro-UCS2-V': [[], [0, 55295, 57344, 65535]],
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'V': [[], [8481, 32382]],
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'WP-Symbol': [[0, 255], []],
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'Adobe-Korea1-0': [[], [0, 9471]],
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'Adobe-Korea1-1': [[], [0, 18175]],
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'Adobe-Korea1-2': [[], [0, 18431]],
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'Adobe-Korea1-UCS2': [[], [0, 65535]],
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'KSC-EUC-H': [[0, 128], [41377, 65278]],
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'KSC-EUC-V': [[0, 128], [41377, 65278]],
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'KSC-H': [[], [8481, 32382]],
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'KSC-Johab-H': [[0, 128], [33857, 54270, 55345, 57086, 57393, 63998]],
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'KSC-Johab-V': [[0, 128], [33857, 54270, 55345, 57086, 57393, 63998]],
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'KSC-V': [[], [8481, 32382]],
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'KSCms-UHC-H': [[0, 128], [33089, 65278]],
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'KSCms-UHC-HW-H': [[0, 128], [33089, 65278]],
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'KSCms-UHC-HW-V': [[0, 128], [33089, 65278]],
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'KSCms-UHC-V': [[0, 128], [33089, 65278]],
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'KSCpc-EUC-H': [[0, 132, 254, 255], [41281, 65022]],
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'KSCpc-EUC-V': [[0, 132, 254, 255], [41281, 65022]],
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'UniKS-UCS2-H': [[], [0, 55295, 57344, 65535]],
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'UniKS-UCS2-V': [[], [0, 55295, 57344, 65535]],
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'UniKS-UTF16-H': [[], [0, 55295, 57344, 65535], [], [3623934976, 3690979327]],
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'UniKS-UTF16-V': [[], [0, 55295, 57344, 65535], [], [3623934976, 3690979327]]
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};
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var BUILT_IN_CMAPS = [
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// << Start unicode maps.
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'Adobe-GB1-UCS2',
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'Adobe-CNS1-UCS2',
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'Adobe-Japan1-UCS2',
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'Adobe-Korea1-UCS2',
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// >> End unicode maps.
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'78-EUC-H',
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'78-EUC-V',
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'78-H',
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'78-RKSJ-H',
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'78-RKSJ-V',
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'78-V',
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'78ms-RKSJ-H',
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'78ms-RKSJ-V',
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'83pv-RKSJ-H',
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'90ms-RKSJ-H',
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'90ms-RKSJ-V',
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'90msp-RKSJ-H',
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'90msp-RKSJ-V',
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'90pv-RKSJ-H',
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'90pv-RKSJ-V',
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'Add-H',
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'Add-RKSJ-H',
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'Add-RKSJ-V',
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'Add-V',
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'Adobe-CNS1-0',
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'Adobe-CNS1-1',
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'Adobe-CNS1-2',
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'Adobe-CNS1-3',
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'Adobe-CNS1-4',
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'Adobe-CNS1-5',
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'Adobe-CNS1-6',
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'Adobe-GB1-0',
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'Adobe-GB1-1',
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'Adobe-GB1-2',
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'Adobe-GB1-3',
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'Adobe-GB1-4',
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'Adobe-GB1-5',
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'Adobe-Japan1-0',
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'Adobe-Japan1-1',
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'Adobe-Japan1-2',
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'Adobe-Japan1-3',
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'Adobe-Japan1-4',
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'Adobe-Japan1-5',
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'Adobe-Japan1-6',
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'Adobe-Korea1-0',
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'Adobe-Korea1-1',
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'Adobe-Korea1-2',
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'B5-H',
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'B5-V',
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'B5pc-H',
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'B5pc-V',
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'CNS-EUC-H',
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'CNS-EUC-V',
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'CNS1-H',
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'CNS1-V',
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'CNS2-H',
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'CNS2-V',
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'ETHK-B5-H',
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'ETHK-B5-V',
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'ETen-B5-H',
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'ETen-B5-V',
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'ETenms-B5-H',
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'ETenms-B5-V',
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'EUC-H',
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'EUC-V',
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'Ext-H',
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'Ext-RKSJ-H',
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'Ext-RKSJ-V',
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'Ext-V',
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'GB-EUC-H',
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'GB-EUC-V',
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'GB-H',
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'GB-V',
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'GBK-EUC-H',
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'GBK-EUC-V',
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'GBK2K-H',
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'GBK2K-V',
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'GBKp-EUC-H',
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'GBKp-EUC-V',
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'GBT-EUC-H',
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'GBT-EUC-V',
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'GBT-H',
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'GBT-V',
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'GBTpc-EUC-H',
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'GBTpc-EUC-V',
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'GBpc-EUC-H',
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'GBpc-EUC-V',
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'H',
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'HKdla-B5-H',
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'HKdla-B5-V',
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'HKdlb-B5-H',
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'HKdlb-B5-V',
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'HKgccs-B5-H',
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'HKgccs-B5-V',
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'HKm314-B5-H',
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'HKm314-B5-V',
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'HKm471-B5-H',
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'HKm471-B5-V',
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'HKscs-B5-H',
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'HKscs-B5-V',
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'Hankaku',
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'Hiragana',
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'KSC-EUC-H',
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'KSC-EUC-V',
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'KSC-H',
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'KSC-Johab-H',
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'KSC-Johab-V',
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'KSC-V',
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'KSCms-UHC-H',
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'KSCms-UHC-HW-H',
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'KSCms-UHC-HW-V',
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'KSCms-UHC-V',
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'KSCpc-EUC-H',
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'KSCpc-EUC-V',
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'Katakana',
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'NWP-H',
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'NWP-V',
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'RKSJ-H',
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'RKSJ-V',
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'Roman',
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'UniCNS-UCS2-H',
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'UniCNS-UCS2-V',
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'UniCNS-UTF16-H',
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'UniCNS-UTF16-V',
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'UniCNS-UTF32-H',
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'UniCNS-UTF32-V',
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'UniCNS-UTF8-H',
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'UniCNS-UTF8-V',
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'UniGB-UCS2-H',
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'UniGB-UCS2-V',
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'UniGB-UTF16-H',
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'UniGB-UTF16-V',
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'UniGB-UTF32-H',
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'UniGB-UTF32-V',
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'UniGB-UTF8-H',
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'UniGB-UTF8-V',
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'UniJIS-UCS2-H',
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'UniJIS-UCS2-HW-H',
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'UniJIS-UCS2-HW-V',
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'UniJIS-UCS2-V',
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'UniJIS-UTF16-H',
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'UniJIS-UTF16-V',
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'UniJIS-UTF32-H',
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'UniJIS-UTF32-V',
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'UniJIS-UTF8-H',
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'UniJIS-UTF8-V',
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'UniJIS2004-UTF16-H',
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'UniJIS2004-UTF16-V',
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'UniJIS2004-UTF32-H',
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'UniJIS2004-UTF32-V',
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'UniJIS2004-UTF8-H',
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'UniJIS2004-UTF8-V',
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'UniJISPro-UCS2-HW-V',
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'UniJISPro-UCS2-V',
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'UniJISPro-UTF8-V',
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'UniJISX0213-UTF32-H',
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'UniJISX0213-UTF32-V',
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'UniJISX02132004-UTF32-H',
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'UniJISX02132004-UTF32-V',
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'UniKS-UCS2-H',
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'UniKS-UCS2-V',
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||||
'UniKS-UTF16-H',
|
||||
'UniKS-UTF16-V',
|
||||
'UniKS-UTF32-H',
|
||||
'UniKS-UTF32-V',
|
||||
'UniKS-UTF8-H',
|
||||
'UniKS-UTF8-V',
|
||||
'V',
|
||||
'WP-Symbol'];
|
||||
|
||||
// CMap, not to be confused with TrueType's cmap.
|
||||
var CMap = (function CMapClosure() {
|
||||
function CMap() {
|
||||
function CMap(builtInCMap) {
|
||||
// Codespace ranges are stored as follows:
|
||||
// [[1BytePairs], [2BytePairs], [3BytePairs], [4BytePairs]]
|
||||
// where nBytePairs are ranges e.g. [low1, high1, low2, high2, ...]
|
||||
this.codespaceRanges = [[], [], [], []];
|
||||
this.numCodespaceRanges = 0;
|
||||
this.map = [];
|
||||
this.vertical = false;
|
||||
this.useCMap = null;
|
||||
this.builtInCMap = builtInCMap;
|
||||
}
|
||||
CMap.prototype = {
|
||||
addCodespaceRange: function(n, low, high) {
|
||||
this.codespaceRanges[n - 1].push(low, high);
|
||||
this.numCodespaceRanges++;
|
||||
},
|
||||
|
||||
mapRange: function(low, high, dstLow) {
|
||||
|
|
@ -395,17 +410,33 @@ var CMapFactory = (function CMapFactoryClosure() {
|
|||
error('Invalid codespace range.');
|
||||
}
|
||||
|
||||
function parseCmap(cMap, lexer) {
|
||||
function parseWMode(cMap, lexer) {
|
||||
var obj = lexer.getObj();
|
||||
if (isInt(obj)) {
|
||||
cMap.vertical = !!obj;
|
||||
}
|
||||
}
|
||||
|
||||
function parseCMap(cMap, lexer, builtInCMapUrl, useCMap) {
|
||||
var previous;
|
||||
var embededUseCMap;
|
||||
objLoop: while (true) {
|
||||
var obj = lexer.getObj();
|
||||
if (isEOF(obj)) {
|
||||
break;
|
||||
} else if (isName(obj)) {
|
||||
if (obj.name === 'WMode') {
|
||||
parseWMode(cMap, lexer);
|
||||
}
|
||||
previous = obj;
|
||||
} else if (isCmd(obj)) {
|
||||
switch (obj.cmd) {
|
||||
case 'endcMap':
|
||||
case 'endcmap':
|
||||
break objLoop;
|
||||
case 'usecMap':
|
||||
// TODO
|
||||
case 'usecmap':
|
||||
if (isName(previous)) {
|
||||
embededUseCMap = previous.name;
|
||||
}
|
||||
break;
|
||||
case 'begincodespacerange':
|
||||
parseCodespaceRange(cMap, lexer);
|
||||
|
|
@ -425,30 +456,66 @@ var CMapFactory = (function CMapFactoryClosure() {
|
|||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return {
|
||||
create: function (encoding) {
|
||||
if (isName(encoding)) {
|
||||
switch (encoding.name) {
|
||||
case 'Identity-H':
|
||||
return new IdentityCMap(false, 2);
|
||||
case 'Identity-V':
|
||||
return new IdentityCMap(true, 2);
|
||||
default:
|
||||
if (encoding.name in CMAP_CODESPACES) {
|
||||
// XXX: Temporary hack so the correct amount of bytes are read in
|
||||
// CMap.readCharCode.
|
||||
var cMap = new CMap();
|
||||
cMap.codespaceRanges = CMAP_CODESPACES[encoding.name];
|
||||
return cMap;
|
||||
}
|
||||
return null;
|
||||
|
||||
if (!useCMap && embededUseCMap) {
|
||||
// Load the usecmap definition from the file only if there wasn't one
|
||||
// specified.
|
||||
useCMap = embededUseCMap;
|
||||
}
|
||||
if (useCMap) {
|
||||
cMap.useCMap = createBuiltInCMap(useCMap, builtInCMapUrl);
|
||||
// If there aren't any code space ranges defined clone all the parent ones
|
||||
// into this cMap.
|
||||
if (cMap.numCodespaceRanges === 0) {
|
||||
var useCodespaceRanges = cMap.useCMap.codespaceRanges;
|
||||
for (var i = 0; i < useCodespaceRanges.length; i++) {
|
||||
cMap.codespaceRanges[i] = useCodespaceRanges[i].slice();
|
||||
}
|
||||
cMap.numCodespaceRanges = cMap.useCMap.numCodespaceRanges;
|
||||
}
|
||||
// Merge the map into the current one, making sure not to override
|
||||
// any previously defined entries.
|
||||
for (var key in cMap.useCMap.map) {
|
||||
if (key in cMap.map) {
|
||||
continue;
|
||||
}
|
||||
cMap.map[key] = cMap.useCMap.map[key];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function createBuiltInCMap(name, builtInCMapUrl) {
|
||||
if (name === 'Identity-H') {
|
||||
return new IdentityCMap(false, 2);
|
||||
} else if (name === 'Identity-V') {
|
||||
return new IdentityCMap(true, 2);
|
||||
}
|
||||
if (BUILT_IN_CMAPS.indexOf(name) === -1) {
|
||||
error('Unknown cMap name: ' + name);
|
||||
}
|
||||
|
||||
var request = new XMLHttpRequest();
|
||||
var url = builtInCMapUrl + name;
|
||||
request.open('GET', url, false);
|
||||
request.send(null);
|
||||
if (request.status === 0 && /^https?:/i.test(url)) {
|
||||
error('Unable to get cMap at: ' + url);
|
||||
}
|
||||
var cMap = new CMap(true);
|
||||
var lexer = new Lexer(new StringStream(request.responseText));
|
||||
parseCMap(cMap, lexer, builtInCMapUrl, null);
|
||||
return cMap;
|
||||
}
|
||||
|
||||
return {
|
||||
create: function (encoding, builtInCMapUrl, useCMap) {
|
||||
if (isName(encoding)) {
|
||||
return createBuiltInCMap(encoding.name, builtInCMapUrl);
|
||||
} else if (isStream(encoding)) {
|
||||
var cMap = new CMap();
|
||||
var lexer = new Lexer(encoding);
|
||||
try {
|
||||
parseCmap(cMap, lexer);
|
||||
parseCMap(cMap, lexer, builtInCMapUrl, useCMap);
|
||||
} catch (e) {
|
||||
warn('Invalid CMap data. ' + e);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue