diff options
Diffstat (limited to 'examples/pdf-invert-images.cc')
| -rw-r--r-- | examples/pdf-invert-images.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/examples/pdf-invert-images.cc b/examples/pdf-invert-images.cc index 1469d9cc..a149c495 100644 --- a/examples/pdf-invert-images.cc +++ b/examples/pdf-invert-images.cc @@ -7,6 +7,7 @@ #include <qpdf/QUtil.hh> #include <qpdf/Buffer.hh> #include <qpdf/QPDFWriter.hh> +#include <qpdf/QIntC.hh> static char const* whoami = 0; @@ -56,7 +57,7 @@ ImageInverter::provideStreamData(int objid, int generation, unsigned char ch; for (size_t i = 0; i < size; ++i) { - ch = static_cast<unsigned char>(0xff) - buf[i]; + ch = QIntC::to_uchar(0xff - buf[i]); pipeline->write(&ch, 1); } pipeline->finish(); |