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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #include "../../../include/fxcodec/fx_codec.h" | 7 #include "../../../include/fxcodec/fx_codec.h" |
| 8 #include "codec_int.h" | 8 #include "codec_int.h" |
| 9 | 9 |
| 10 CCodec_Jbig2Context::CCodec_Jbig2Context() | 10 CCodec_Jbig2Context::CCodec_Jbig2Context() |
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| 165 if(m_pJbig2Context->m_src_buf) { | 165 if(m_pJbig2Context->m_src_buf) { |
| 166 FX_Free(m_pJbig2Context->m_src_buf); | 166 FX_Free(m_pJbig2Context->m_src_buf); |
| 167 } | 167 } |
| 168 m_pJbig2Context->m_src_buf = NULL; | 168 m_pJbig2Context->m_src_buf = NULL; |
| 169 return FXCODEC_STATUS_ERROR; | 169 return FXCODEC_STATUS_ERROR; |
| 170 } | 170 } |
| 171 FXCODEC_STATUS CCodec_Jbig2Module::ContinueDecode(void* pJbig2Context, IFX_Pause
* pPause) | 171 FXCODEC_STATUS CCodec_Jbig2Module::ContinueDecode(void* pJbig2Context, IFX_Pause
* pPause) |
| 172 { | 172 { |
| 173 CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; | 173 CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; |
| 174 int ret = m_pJbig2Context->m_pContext->Continue(pPause); | 174 int ret = m_pJbig2Context->m_pContext->Continue(pPause); |
| 175 if(m_pJbig2Context->m_pContext->GetProcessiveStatus() == FXCODEC_STATUS_DECO
DE_FINISH) { | 175 if (m_pJbig2Context->m_pContext->GetProcessiveStatus() != FXCODEC_STATUS_DEC
ODE_FINISH) { |
| 176 if(m_pJbig2Context->m_bFileReader) { | 176 return m_pJbig2Context->m_pContext->GetProcessiveStatus(); |
| 177 CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); | 177 } |
| 178 m_pJbig2Context->m_pContext = NULL; | 178 if (m_pJbig2Context->m_bFileReader) { |
| 179 if (ret != JBIG2_SUCCESS) { | 179 CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); |
| 180 if(m_pJbig2Context->m_src_buf) { | 180 m_pJbig2Context->m_pContext = NULL; |
| 181 FX_Free(m_pJbig2Context->m_src_buf); | 181 if (ret != JBIG2_SUCCESS) { |
| 182 } | 182 if(m_pJbig2Context->m_src_buf) { |
| 183 m_pJbig2Context->m_src_buf = NULL; | 183 FX_Free(m_pJbig2Context->m_src_buf); |
| 184 return FXCODEC_STATUS_ERROR; | |
| 185 } | 184 } |
| 186 delete m_pJbig2Context->m_dest_image; | 185 m_pJbig2Context->m_src_buf = NULL; |
| 187 FX_Free(m_pJbig2Context->m_src_buf); | 186 return FXCODEC_STATUS_ERROR; |
| 188 return FXCODEC_STATUS_DECODE_FINISH; | |
| 189 } else { | |
| 190 CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); | |
| 191 m_pJbig2Context->m_pContext = NULL; | |
| 192 if (ret != JBIG2_SUCCESS) { | |
| 193 return FXCODEC_STATUS_ERROR; | |
| 194 } | |
| 195 int dword_size = m_pJbig2Context->m_height * m_pJbig2Context->m_dest
_pitch / 4; | |
| 196 FX_DWORD* dword_buf = (FX_DWORD*)m_pJbig2Context->m_dest_buf; | |
| 197 for (int i = 0; i < dword_size; i ++) { | |
| 198 dword_buf[i] = ~dword_buf[i]; | |
| 199 } | |
| 200 return FXCODEC_STATUS_DECODE_FINISH; | |
| 201 } | 187 } |
| 188 delete m_pJbig2Context->m_dest_image; |
| 189 FX_Free(m_pJbig2Context->m_src_buf); |
| 190 return FXCODEC_STATUS_DECODE_FINISH; |
| 202 } | 191 } |
| 203 return m_pJbig2Context->m_pContext->GetProcessiveStatus(); | 192 CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); |
| 193 m_pJbig2Context->m_pContext = NULL; |
| 194 if (ret != JBIG2_SUCCESS) { |
| 195 return FXCODEC_STATUS_ERROR; |
| 196 } |
| 197 int dword_size = m_pJbig2Context->m_height * m_pJbig2Context->m_dest_pitch /
4; |
| 198 FX_DWORD* dword_buf = (FX_DWORD*)m_pJbig2Context->m_dest_buf; |
| 199 for (int i = 0; i < dword_size; i ++) { |
| 200 dword_buf[i] = ~dword_buf[i]; |
| 201 } |
| 202 return FXCODEC_STATUS_DECODE_FINISH; |
| 204 } | 203 } |
| 205 | 204 |
| 206 | 205 |
| 207 | 206 |
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