diff options
Diffstat (limited to 'core/fxcodec/codec/fx_codec_jbig.cpp')
-rw-r--r-- | core/fxcodec/codec/fx_codec_jbig.cpp | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/core/fxcodec/codec/fx_codec_jbig.cpp b/core/fxcodec/codec/fx_codec_jbig.cpp deleted file mode 100644 index 36d6a0609e..0000000000 --- a/core/fxcodec/codec/fx_codec_jbig.cpp +++ /dev/null @@ -1,94 +0,0 @@ -// Copyright 2014 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. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#include "core/fxcodec/codec/ccodec_jbig2module.h" - -#include <list> -#include <memory> - -#include "core/fpdfapi/parser/cpdf_stream_acc.h" -#include "core/fxcodec/JBig2_DocumentContext.h" -#include "core/fxcodec/jbig2/JBig2_Context.h" -#include "core/fxcodec/jbig2/JBig2_Image.h" -#include "core/fxcrt/fx_memory.h" -#include "third_party/base/ptr_util.h" - -JBig2_DocumentContext::JBig2_DocumentContext() {} - -JBig2_DocumentContext::~JBig2_DocumentContext() {} - -JBig2_DocumentContext* GetJBig2DocumentContext( - std::unique_ptr<JBig2_DocumentContext>* pContextHolder) { - if (!pContextHolder->get()) - *pContextHolder = pdfium::MakeUnique<JBig2_DocumentContext>(); - return pContextHolder->get(); -} - -CCodec_Jbig2Context::CCodec_Jbig2Context() - : m_width(0), - m_height(0), - m_pGlobalStream(nullptr), - m_pSrcStream(nullptr), - m_dest_buf(0), - m_dest_pitch(0) {} - -CCodec_Jbig2Context::~CCodec_Jbig2Context() {} - -CCodec_Jbig2Module::~CCodec_Jbig2Module() {} - -FXCODEC_STATUS CCodec_Jbig2Module::StartDecode( - CCodec_Jbig2Context* pJbig2Context, - std::unique_ptr<JBig2_DocumentContext>* pContextHolder, - uint32_t width, - uint32_t height, - const RetainPtr<CPDF_StreamAcc>& src_stream, - const RetainPtr<CPDF_StreamAcc>& global_stream, - uint8_t* dest_buf, - uint32_t dest_pitch, - PauseIndicatorIface* pPause) { - if (!pJbig2Context) - return FXCODEC_STATUS_ERR_PARAMS; - - JBig2_DocumentContext* pJBig2DocumentContext = - GetJBig2DocumentContext(pContextHolder); - pJbig2Context->m_width = width; - pJbig2Context->m_height = height; - pJbig2Context->m_pSrcStream = src_stream; - pJbig2Context->m_pGlobalStream = global_stream; - pJbig2Context->m_dest_buf = dest_buf; - pJbig2Context->m_dest_pitch = dest_pitch; - memset(dest_buf, 0, height * dest_pitch); - pJbig2Context->m_pContext = pdfium::MakeUnique<CJBig2_Context>( - global_stream, src_stream, pJBig2DocumentContext->GetSymbolDictCache(), - false); - bool succeeded = pJbig2Context->m_pContext->GetFirstPage( - dest_buf, width, height, dest_pitch, pPause); - return Decode(pJbig2Context, succeeded); -} - -FXCODEC_STATUS CCodec_Jbig2Module::ContinueDecode( - CCodec_Jbig2Context* pJbig2Context, - PauseIndicatorIface* pPause) { - bool succeeded = pJbig2Context->m_pContext->Continue(pPause); - return Decode(pJbig2Context, succeeded); -} - -FXCODEC_STATUS CCodec_Jbig2Module::Decode(CCodec_Jbig2Context* pJbig2Context, - bool decode_success) { - FXCODEC_STATUS status = pJbig2Context->m_pContext->GetProcessingStatus(); - if (status != FXCODEC_STATUS_DECODE_FINISH) - return status; - - pJbig2Context->m_pContext.reset(); - if (!decode_success) - return FXCODEC_STATUS_ERROR; - - int dword_size = pJbig2Context->m_height * pJbig2Context->m_dest_pitch / 4; - uint32_t* dword_buf = reinterpret_cast<uint32_t*>(pJbig2Context->m_dest_buf); - for (int i = 0; i < dword_size; i++) - dword_buf[i] = ~dword_buf[i]; - return FXCODEC_STATUS_DECODE_FINISH; -} |