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// Copyright 2016 The PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cstdint>
#include <memory>
#include "core/fxcodec/codec/ccodec_faxmodule.h"
#include "core/fxcodec/codec/ccodec_scanlinedecoder.h"
static int GetInteger(const uint8_t* data) {
return data[0] | data[1] << 8 | data[2] << 16 | data[3] << 24;
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
const int kParameterSize = 21;
if (size < kParameterSize)
return 0;
int width = GetInteger(data);
int height = GetInteger(data + 4);
int K = GetInteger(data + 8);
int Columns = GetInteger(data + 12);
int Rows = GetInteger(data + 16);
bool EndOfLine = !(data[20] & 0x01);
bool ByteAlign = !(data[20] & 0x02);
bool BlackIs1 = !(data[20] & 0x04);
data += kParameterSize;
size -= kParameterSize;
CCodec_FaxModule fax_module;
std::unique_ptr<CCodec_ScanlineDecoder> decoder(
fax_module.CreateDecoder({data, size}, width, height, K, EndOfLine,
ByteAlign, BlackIs1, Columns, Rows));
if (decoder) {
int line = 0;
while (decoder->GetScanline(line))
line++;
}
return 0;
}
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