diff options
Diffstat (limited to 'libqpdf/Pl_PNGFilter.cc')
| -rw-r--r-- | libqpdf/Pl_PNGFilter.cc | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/libqpdf/Pl_PNGFilter.cc b/libqpdf/Pl_PNGFilter.cc index a39c17f9..6a3bc5b8 100644 --- a/libqpdf/Pl_PNGFilter.cc +++ b/libqpdf/Pl_PNGFilter.cc @@ -45,12 +45,14 @@ Pl_PNGFilter::Pl_PNGFilter(char const* identifier, Pipeline* next, "PNGFilter created with invalid columns value"); } this->bytes_per_row = bpr & UINT_MAX; - this->buf1 = new unsigned char[this->bytes_per_row + 1]; - this->buf2 = new unsigned char[this->bytes_per_row + 1]; - memset(this->buf1, 0, this->bytes_per_row + 1); - memset(this->buf2, 0, this->bytes_per_row + 1); - this->cur_row = this->buf1; - this->prev_row = this->buf2; + this->buf1 = PointerHolder<unsigned char>( + true, new unsigned char[this->bytes_per_row + 1]); + this->buf2 = PointerHolder<unsigned char>( + true, new unsigned char[this->bytes_per_row + 1]); + memset(this->buf1.getPointer(), 0, this->bytes_per_row + 1); + memset(this->buf2.getPointer(), 0, this->bytes_per_row + 1); + this->cur_row = this->buf1.getPointer(); + this->prev_row = this->buf2.getPointer(); // number of bytes per incoming row this->incoming = (action == a_encode ? @@ -60,8 +62,6 @@ Pl_PNGFilter::Pl_PNGFilter(char const* identifier, Pipeline* next, Pl_PNGFilter::~Pl_PNGFilter() { - delete [] buf1; - delete [] buf2; } void @@ -81,7 +81,7 @@ Pl_PNGFilter::write(unsigned char* data, size_t len) // Swap rows unsigned char* t = this->prev_row; this->prev_row = this->cur_row; - this->cur_row = t ? t : this->buf2; + this->cur_row = t ? t : this->buf2.getPointer(); memset(this->cur_row, 0, this->bytes_per_row + 1); left = this->incoming; this->pos = 0; @@ -269,7 +269,7 @@ Pl_PNGFilter::finish() processRow(); } this->prev_row = 0; - this->cur_row = buf1; + this->cur_row = buf1.getPointer(); this->pos = 0; memset(this->cur_row, 0, this->bytes_per_row + 1); |