Commit 5c682f6d1ecadf30f39023eaacea3f9408f2e8dd

Authored by Jay Berkenbilt
1 parent ab536a4e

Fix image optimization evaluation

Don't attempt to pass data through a JPEG filter if we are unable to
filter the data.
Showing 1 changed file with 13 additions and 10 deletions
qpdf/qpdf.cc
... ... @@ -3548,16 +3548,7 @@ ImageOptimizer::makePipeline(std::string const& description, Pipeline* next)
3548 3548 bool
3549 3549 ImageOptimizer::evaluate(std::string const& description)
3550 3550 {
3551   - Pl_Discard d;
3552   - Pl_Count c("count", &d);
3553   - PointerHolder<Pipeline> p = makePipeline(description, &c);
3554   - if (p.getPointer() == 0)
3555   - {
3556   - // message issued by makePipeline
3557   - return false;
3558   - }
3559   - if (! image.pipeStreamData(p.getPointer(), 0, qpdf_dl_specialized,
3560   - true, false))
  3551 + if (! image.pipeStreamData(0, 0, qpdf_dl_specialized, true))
3561 3552 {
3562 3553 QTC::TC("qpdf", "qpdf image optimize no pipeline");
3563 3554 if (o.verbose)
... ... @@ -3569,6 +3560,18 @@ ImageOptimizer::evaluate(std::string const&amp; description)
3569 3560 }
3570 3561 return false;
3571 3562 }
  3563 + Pl_Discard d;
  3564 + Pl_Count c("count", &d);
  3565 + PointerHolder<Pipeline> p = makePipeline(description, &c);
  3566 + if (p.getPointer() == 0)
  3567 + {
  3568 + // message issued by makePipeline
  3569 + return false;
  3570 + }
  3571 + if (! image.pipeStreamData(p.getPointer(), 0, qpdf_dl_specialized))
  3572 + {
  3573 + return false;
  3574 + }
3572 3575 long long orig_length = image.getDict().getKey("/Length").getIntValue();
3573 3576 if (c.getCount() >= orig_length)
3574 3577 {
... ...