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Extract CFFParser from fonts.js (issue 6777)

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This commit is contained in:
Jonas Jenwald 2016-03-31 19:53:07 +02:00
parent a250c150ab
commit b961e1d21b
5 changed files with 1721 additions and 1673 deletions
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75
test/unit/font_spec.js
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@ -1,6 +1,5 @@
/* globals expect, it, describe, CFFCompiler, CFFParser, CFFIndex, CFFStrings,
SEAC_ANALYSIS_ENABLED, Type1Parser, StringStream,
_enableSeacAnalysis */
Type1Parser, StringStream, SEAC_ANALYSIS_ENABLED */
'use strict';
@ -38,7 +37,7 @@ describe('font', function() {
}
describe('CFFParser', function() {
var parser = new CFFParser(fontData, {});
var parser = new CFFParser(fontData, {}, SEAC_ANALYSIS_ENABLED);
var cff = parser.parse();
it('parses header', function() {
@ -117,46 +116,42 @@ describe('font', function() {
});
it('parses a CharString endchar with 4 args w/seac enabled', function() {
var seacAnalysisState = SEAC_ANALYSIS_ENABLED;
try {
_enableSeacAnalysis(true);
var bytes = new Uint8Array([0, 1, // count
1, // offsetSize
0, // offset[0]
237, 247, 22, 247, 72, 204, 247, 86, 14]);
parser.bytes = bytes;
var charStringsIndex = parser.parseIndex(0).obj;
var result = parser.parseCharStrings(charStringsIndex);
expect(result.charStrings.count).toEqual(1);
expect(result.charStrings.get(0).length).toEqual(1);
expect(result.seacs.length).toEqual(1);
expect(result.seacs[0].length).toEqual(4);
expect(result.seacs[0][0]).toEqual(130);
expect(result.seacs[0][1]).toEqual(180);
expect(result.seacs[0][2]).toEqual(65);
expect(result.seacs[0][3]).toEqual(194);
} finally {
_enableSeacAnalysis(seacAnalysisState);
}
var parser = new CFFParser(fontData, {},
/* seacAnalysisEnabled = */ true);
var cff = parser.parse();
var bytes = new Uint8Array([0, 1, // count
1, // offsetSize
0, // offset[0]
237, 247, 22, 247, 72, 204, 247, 86, 14]);
parser.bytes = bytes;
var charStringsIndex = parser.parseIndex(0).obj;
var result = parser.parseCharStrings(charStringsIndex);
expect(result.charStrings.count).toEqual(1);
expect(result.charStrings.get(0).length).toEqual(1);
expect(result.seacs.length).toEqual(1);
expect(result.seacs[0].length).toEqual(4);
expect(result.seacs[0][0]).toEqual(130);
expect(result.seacs[0][1]).toEqual(180);
expect(result.seacs[0][2]).toEqual(65);
expect(result.seacs[0][3]).toEqual(194);
});
it('parses a CharString endchar with 4 args w/seac disabled', function() {
var seacAnalysisState = SEAC_ANALYSIS_ENABLED;
try {
_enableSeacAnalysis(false);
var bytes = new Uint8Array([0, 1, // count
1, // offsetSize
0, // offset[0]
237, 247, 22, 247, 72, 204, 247, 86, 14]);
parser.bytes = bytes;
var charStringsIndex = parser.parseIndex(0).obj;
var result = parser.parseCharStrings(charStringsIndex);
expect(result.charStrings.count).toEqual(1);
expect(result.charStrings.get(0).length).toEqual(9);
expect(result.seacs.length).toEqual(0);
} finally {
_enableSeacAnalysis(seacAnalysisState);
}
var parser = new CFFParser(fontData, {},
/* seacAnalysisEnabled = */ false);
var cff = parser.parse();
var bytes = new Uint8Array([0, 1, // count
1, // offsetSize
0, // offset[0]
237, 247, 22, 247, 72, 204, 247, 86, 14]);
parser.bytes = bytes;
var charStringsIndex = parser.parseIndex(0).obj;
var result = parser.parseCharStrings(charStringsIndex);
expect(result.charStrings.count).toEqual(1);
expect(result.charStrings.get(0).length).toEqual(9);
expect(result.seacs.length).toEqual(0);
});
it('parses a CharString endchar no args', function() {