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-rw-r--r--libqpdf/Pl_PNGFilter.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/libqpdf/Pl_PNGFilter.cc b/libqpdf/Pl_PNGFilter.cc
index 35ab03f8..730d6d98 100644
--- a/libqpdf/Pl_PNGFilter.cc
+++ b/libqpdf/Pl_PNGFilter.cc
@@ -16,10 +16,10 @@ Pl_PNGFilter::Pl_PNGFilter(char const* identifier, Pipeline* next,
buf2(0),
pos(0)
{
- if ((samples_per_pixel < 1) || (samples_per_pixel > 4))
+ if (samples_per_pixel < 1)
{
throw std::runtime_error(
- "PNGFilter created with invalid samples_per_pixel not from 1 to 4");
+ "PNGFilter created with invalid samples_per_pixel");
}
if (! ((bits_per_sample == 1) ||
(bits_per_sample == 2) ||