OpenSystemsDevelopment / qpdf

Commit 2e8b5f290c03bd4cd67f9240cb1fff3122e0b12c

Authored by m-holger
1 parent 73dec352

In Pl_TIFFPredictor avoid repeated calls to getNext

Inline Side-by-side
Showing 2 changed files with 5 additions and 3 deletions
libqpdf/Pl_TIFFPredictor.cc
  View file @2e8b5f2
... ... @@ -19,7 +19,8 @@ Pl_TIFFPredictor::Pl_TIFFPredictor(
19 19 action(action),
20 20 columns(columns),
21 21 samples_per_pixel(samples_per_pixel),
22   - bits_per_sample(bits_per_sample)
  22 + bits_per_sample(bits_per_sample),
  23 + p_next(getNext())
23 24 {
24 25 if (samples_per_pixel < 1) {
25 26 throw std::runtime_error("TIFFPredictor created with invalid samples_per_pixel");
... ... @@ -58,7 +59,7 @@ void
58 59 Pl_TIFFPredictor::processRow()
59 60 {
60 61 QTC::TC("libtests", "Pl_TIFFPredictor processRow", (action == a_decode ? 0 : 1));
61   - BitWriter bw(this->getNext());
  62 + BitWriter bw(p_next);
62 63 BitStream in(this->cur_row.data(), this->bytes_per_row);
63 64 std::vector<long long> prev;
64 65 for (unsigned int i = 0; i < this->samples_per_pixel; ++i) {
... ... @@ -92,5 +93,5 @@ Pl_TIFFPredictor::finish()
92 93 processRow();
93 94 }
94 95 cur_row.clear();
95   - getNext()->finish();
  96 + p_next->finish();
96 97 }
... ...
libqpdf/qpdf/Pl_TIFFPredictor.hh
  View file @2e8b5f2
... ... @@ -34,6 +34,7 @@ class Pl_TIFFPredictor: public Pipeline
34 34 unsigned int samples_per_pixel;
35 35 unsigned int bits_per_sample;
36 36 std::vector<unsigned char> cur_row;
  37 + Pipeline* p_next;
37 38 };
38 39  
39 40 #endif // PL_TIFFPREDICTOR_HH
... ...