1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef CORE_FXCODEC_BASIC_BASICMODULE_H_ 8 #define CORE_FXCODEC_BASIC_BASICMODULE_H_ 9 10 #include <memory> 11 12 #include "core/fxcrt/fx_memory_wrappers.h" 13 #include "core/fxcrt/fx_system.h" 14 #include "third_party/base/span.h" 15 16 namespace fxcodec { 17 18 class ScanlineDecoder; 19 20 class BasicModule { 21 public: 22 static std::unique_ptr<ScanlineDecoder> CreateRunLengthDecoder( 23 pdfium::span<const uint8_t> src_buf, 24 int width, 25 int height, 26 int nComps, 27 int bpc); 28 29 static bool RunLengthEncode(pdfium::span<const uint8_t> src_span, 30 std::unique_ptr<uint8_t, FxFreeDeleter>* dest_buf, 31 uint32_t* dest_size); 32 33 static bool A85Encode(pdfium::span<const uint8_t> src_span, 34 std::unique_ptr<uint8_t, FxFreeDeleter>* dest_buf, 35 uint32_t* dest_size); 36 37 BasicModule() = delete; 38 BasicModule(const BasicModule&) = delete; 39 BasicModule& operator=(const BasicModule&) = delete; 40 }; 41 42 } // namespace fxcodec 43 44 using BasicModule = fxcodec::BasicModule; 45 46 #endif // CORE_FXCODEC_BASIC_BASICMODULE_H_ 47