Diffstat (limited to 'noncore/unsupported/qpdf/xpdf/Function.cc') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/unsupported/qpdf/xpdf/Function.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/noncore/unsupported/qpdf/xpdf/Function.cc b/noncore/unsupported/qpdf/xpdf/Function.cc index 815cc89..ebf3718 100644 --- a/noncore/unsupported/qpdf/xpdf/Function.cc +++ b/noncore/unsupported/qpdf/xpdf/Function.cc @@ -4,3 +4,3 @@ // -// Copyright 2001 Derek B. Noonburg +// Copyright 2001-2002 Glyph & Cog, LLC // @@ -417,3 +417,2 @@ ExponentialFunction::ExponentialFunction(Object *funcObj, Dict *dict) { ok = gFalse; - hasN = gFalse; @@ -427,2 +426,3 @@ ExponentialFunction::ExponentialFunction(Object *funcObj, Dict *dict) { } + hasN = hasRange; @@ -438,2 +438,3 @@ ExponentialFunction::ExponentialFunction(Object *funcObj, Dict *dict) { n = obj1.arrayGetLength(); + hasN = gTrue; } else if (obj1.arrayGetLength() != n) { @@ -458,2 +459,3 @@ ExponentialFunction::ExponentialFunction(Object *funcObj, Dict *dict) { n = obj1.arrayGetLength(); + hasN = gTrue; } else if (obj1.arrayGetLength() != n) { @@ -482,2 +484,9 @@ ExponentialFunction::ExponentialFunction(Object *funcObj, Dict *dict) { + // this isn't supposed to happen, but I've run into (broken) PDF + // files where it does + if (!hasN) { + error(-1, "Exponential function does not define number of output values"); + n = 1; + } + ok = gTrue; |