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Check that Type1C fonts does not actually contain OpenType font files (issue 7598)

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This patch is yet another instalment in the (never ending) series of patches for PDF files that specify completely incorrect Type/Subtype for its fonts. In this case Type1/Type1C, when in fact OpenType would have been correct.

Fixes 7598.
This commit is contained in:
Jonas Jenwald 2016-09-06 09:56:18 +02:00
parent b26af7ee24
commit 44b75c01a1
4 changed files with 19 additions and 6 deletions
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17
src/core/fonts.js
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@ -689,12 +689,17 @@ var Font = (function FontClosure() {
}
// Some fonts might use wrong font types for Type1C or CIDFontType0C
if (subtype === 'Type1C' && (type !== 'Type1' && type !== 'MMType1')) {
// Some TrueType fonts by mistake claim Type1C
if (isTrueTypeFile(file)) {
subtype = 'TrueType';
} else {
type = 'Type1';
if (subtype === 'Type1C') {
if (type !== 'Type1' && type !== 'MMType1') {
// Some TrueType fonts by mistake claim Type1C
if (isTrueTypeFile(file)) {
subtype = 'TrueType';
} else {
type = 'Type1';
}
} else if (isOpenTypeFile(file)) {
// Sometimes the type/subtype can be a complete lie (see issue7598.pdf).
type = subtype = 'OpenType';
}
}
if (subtype === 'CIDFontType0C' && type !== 'CIDFontType0') {