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Telemetry for used stream and font types

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This commit is contained in:
Yury Delendik 2014-06-16 09:52:04 -05:00
parent 7ac1c6b034
commit 0cd28ebfa3
11 changed files with 174 additions and 24 deletions
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36
src/core/fonts.js
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@ -19,7 +19,7 @@
isNum, ISOAdobeCharset, Stream, stringToArray, stringToBytes,
string32, TextDecoder, warn, Lexer, Util, FONT_IDENTITY_MATRIX,
FontRendererFactory, shadow, isString, IdentityCMap, Name,
CMapFactory, PDFJS, readUint32 */
CMapFactory, PDFJS, readUint32, FontType */
'use strict';
@ -2117,6 +2117,28 @@ function adjustWidths(properties) {
properties.defaultWidth *= scale;
}
function getFontType(type, subtype) {
switch (type) {
case 'Type1':
return subtype === 'Type1C' ? FontType.TYPE1C : FontType.TYPE1;
case 'CIDFontType0':
return subtype === 'CIDFontType0C' ? FontType.CIDFONTTYPE0C :
FontType.CIDFONTTYPE0;
case 'OpenType':
return FontType.OPENTYPE;
case 'TrueType':
return FontType.TRUETYPE;
case 'CIDFontType2':
return FontType.CIDFONTTYPE2;
case 'MMType1':
return FontType.MMTYPE1;
case 'Type0':
return FontType.TYPE0;
default:
return FontType.UNKNOWN;
}
}
var Glyph = (function GlyphClosure() {
function Glyph(fontChar, unicode, accent, width, vmetric, operatorListId) {
this.fontChar = fontChar;
@ -2167,6 +2189,7 @@ var Font = (function FontClosure() {
this.isMonospace = !!(properties.flags & FontFlags.FixedPitch);
var type = properties.type;
var subtype = properties.subtype;
this.type = type;
this.fallbackName = (this.isMonospace ? 'monospace' :
@ -2193,6 +2216,7 @@ var Font = (function FontClosure() {
this.toFontChar[charCode] = (this.differences[charCode] ||
properties.defaultEncoding[charCode]);
}
this.fontType = FontType.TYPE3;
return;
}
@ -2260,11 +2284,11 @@ var Font = (function FontClosure() {
}
this.loadedName = fontName.split('-')[0];
this.loading = false;
this.fontType = getFontType(type, subtype);
return;
}
// Some fonts might use wrong font types for Type1C or CIDFontType0C
var subtype = properties.subtype;
if (subtype == 'Type1C' && (type != 'Type1' && type != 'MMType1')) {
// Some TrueType fonts by mistake claim Type1C
if (isTrueTypeFile(file)) {
@ -2288,7 +2312,7 @@ var Font = (function FontClosure() {
case 'CIDFontType0':
this.mimetype = 'font/opentype';
var cff = (subtype == 'Type1C' || subtype == 'CIDFontType0C') ?
var cff = (subtype === 'Type1C' || subtype === 'CIDFontType0C') ?
new CFFFont(file, properties) : new Type1Font(name, file, properties);
adjustWidths(properties);
@ -2305,6 +2329,9 @@ var Font = (function FontClosure() {
// Repair the TrueType file. It is can be damaged in the point of
// view of the sanitizer
data = this.checkAndRepair(name, file, properties);
if (this.isOpenType) {
type = 'OpenType';
}
break;
default:
@ -2313,6 +2340,7 @@ var Font = (function FontClosure() {
}
this.data = data;
this.fontType = getFontType(type, subtype);
// Transfer some properties again that could change during font conversion
this.fontMatrix = properties.fontMatrix;
@ -3752,10 +3780,12 @@ var Font = (function FontClosure() {
delete tables.fpgm;
delete tables.prep;
delete tables['cvt '];
this.isOpenType = true;
} else {
if (!tables.glyf || !tables.loca) {
error('Required "glyf" or "loca" tables are not found');
}
this.isOpenType = false;
}
if (!tables.maxp) {