Index: core/src/fxcodec/codec/fx_codec_jbig.cpp |
diff --git a/core/src/fxcodec/codec/fx_codec_jbig.cpp b/core/src/fxcodec/codec/fx_codec_jbig.cpp |
index 996ad60f8af90a4a7ce5ce27990ebce70d02b8cd..772453a59e45255f694d03f6603d5343d91161ff 100644 |
--- a/core/src/fxcodec/codec/fx_codec_jbig.cpp |
+++ b/core/src/fxcodec/codec/fx_codec_jbig.cpp |
@@ -1,212 +1,250 @@ |
// 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 "../../../include/fxcodec/fx_codec.h" |
#include "codec_int.h" |
-CCodec_Jbig2Context::CCodec_Jbig2Context() |
-{ |
- FXSYS_memset32(this, 0, sizeof(CCodec_Jbig2Context)); |
+CCodec_Jbig2Context::CCodec_Jbig2Context() { |
+ FXSYS_memset32(this, 0, sizeof(CCodec_Jbig2Context)); |
} |
-CCodec_Jbig2Module::~CCodec_Jbig2Module() |
-{ |
+CCodec_Jbig2Module::~CCodec_Jbig2Module() { |
} |
-void* CCodec_Jbig2Module::CreateJbig2Context() |
-{ |
- return FX_NEW CCodec_Jbig2Context(); |
+void* CCodec_Jbig2Module::CreateJbig2Context() { |
+ return FX_NEW CCodec_Jbig2Context(); |
} |
-void CCodec_Jbig2Module::DestroyJbig2Context(void* pJbig2Content) |
-{ |
- if(pJbig2Content) { |
- CJBig2_Context::DestroyContext(((CCodec_Jbig2Context*)pJbig2Content)->m_pContext); |
- delete (CCodec_Jbig2Context*)pJbig2Content; |
- } |
- pJbig2Content = NULL; |
+void CCodec_Jbig2Module::DestroyJbig2Context(void* pJbig2Content) { |
+ if (pJbig2Content) { |
+ CJBig2_Context::DestroyContext( |
+ ((CCodec_Jbig2Context*)pJbig2Content)->m_pContext); |
+ delete (CCodec_Jbig2Context*)pJbig2Content; |
+ } |
+ pJbig2Content = NULL; |
} |
-FX_BOOL CCodec_Jbig2Module::Decode(FX_DWORD width, FX_DWORD height, FX_LPCBYTE src_buf, FX_DWORD src_size, |
- FX_LPCBYTE global_data, FX_DWORD global_size, FX_LPBYTE dest_buf, FX_DWORD dest_pitch) |
-{ |
- FXSYS_memset32(dest_buf, 0, height * dest_pitch); |
- CJBig2_Context* pContext = CJBig2_Context::CreateContext(&m_Module, |
- (FX_LPBYTE)global_data, global_size, (FX_LPBYTE)src_buf, src_size, JBIG2_EMBED_STREAM); |
- if (pContext == NULL) { |
- return FALSE; |
- } |
- int ret = pContext->getFirstPage(dest_buf, width, height, dest_pitch, NULL); |
- CJBig2_Context::DestroyContext(pContext); |
- if (ret != JBIG2_SUCCESS) { |
- return FALSE; |
- } |
- int dword_size = height * dest_pitch / 4; |
- FX_DWORD* dword_buf = (FX_DWORD*)dest_buf; |
- for (int i = 0; i < dword_size; i ++) { |
- dword_buf[i] = ~dword_buf[i]; |
- } |
- return TRUE; |
+FX_BOOL CCodec_Jbig2Module::Decode(FX_DWORD width, |
+ FX_DWORD height, |
+ FX_LPCBYTE src_buf, |
+ FX_DWORD src_size, |
+ FX_LPCBYTE global_data, |
+ FX_DWORD global_size, |
+ FX_LPBYTE dest_buf, |
+ FX_DWORD dest_pitch) { |
+ FXSYS_memset32(dest_buf, 0, height * dest_pitch); |
+ CJBig2_Context* pContext = |
+ CJBig2_Context::CreateContext(&m_Module, |
+ (FX_LPBYTE)global_data, |
+ global_size, |
+ (FX_LPBYTE)src_buf, |
+ src_size, |
+ JBIG2_EMBED_STREAM); |
+ if (pContext == NULL) { |
+ return FALSE; |
+ } |
+ int ret = pContext->getFirstPage(dest_buf, width, height, dest_pitch, NULL); |
+ CJBig2_Context::DestroyContext(pContext); |
+ if (ret != JBIG2_SUCCESS) { |
+ return FALSE; |
+ } |
+ int dword_size = height * dest_pitch / 4; |
+ FX_DWORD* dword_buf = (FX_DWORD*)dest_buf; |
+ for (int i = 0; i < dword_size; i++) { |
+ dword_buf[i] = ~dword_buf[i]; |
+ } |
+ return TRUE; |
} |
FX_BOOL CCodec_Jbig2Module::Decode(IFX_FileRead* file_ptr, |
- FX_DWORD& width, FX_DWORD& height, FX_DWORD& pitch, FX_LPBYTE& dest_buf) |
-{ |
- CJBig2_Context* pContext = NULL; |
- CJBig2_Image* dest_image = NULL; |
- FX_DWORD src_size = (FX_DWORD)file_ptr->GetSize(); |
- FX_LPBYTE src_buf = FX_Alloc(FX_BYTE, src_size); |
- if (src_buf == NULL) { |
- return FALSE; |
- } |
- int ret = 0; |
- if(!file_ptr->ReadBlock(src_buf, 0, src_size)) { |
- goto failed; |
- } |
- pContext = CJBig2_Context::CreateContext(&m_Module, NULL, 0, src_buf, src_size, JBIG2_FILE_STREAM); |
- if(pContext == NULL) { |
- goto failed; |
- } |
- ret = pContext->getFirstPage(&dest_image, NULL); |
- CJBig2_Context::DestroyContext(pContext); |
- if (ret != JBIG2_SUCCESS) { |
- goto failed; |
- } |
- width = (FX_DWORD)dest_image->m_nWidth; |
- height = (FX_DWORD)dest_image->m_nHeight; |
- pitch = (FX_DWORD)dest_image->m_nStride; |
- dest_buf = dest_image->m_pData; |
- dest_image->m_bNeedFree = FALSE; |
- delete dest_image; |
- FX_Free(src_buf); |
- return TRUE; |
-failed: |
- if(src_buf) { |
- FX_Free(src_buf); |
- } |
+ FX_DWORD& width, |
+ FX_DWORD& height, |
+ FX_DWORD& pitch, |
+ FX_LPBYTE& dest_buf) { |
+ CJBig2_Context* pContext = NULL; |
+ CJBig2_Image* dest_image = NULL; |
+ FX_DWORD src_size = (FX_DWORD)file_ptr->GetSize(); |
+ FX_LPBYTE src_buf = FX_Alloc(FX_BYTE, src_size); |
+ if (src_buf == NULL) { |
return FALSE; |
+ } |
+ int ret = 0; |
+ if (!file_ptr->ReadBlock(src_buf, 0, src_size)) { |
+ goto failed; |
+ } |
+ pContext = CJBig2_Context::CreateContext( |
+ &m_Module, NULL, 0, src_buf, src_size, JBIG2_FILE_STREAM); |
+ if (pContext == NULL) { |
+ goto failed; |
+ } |
+ ret = pContext->getFirstPage(&dest_image, NULL); |
+ CJBig2_Context::DestroyContext(pContext); |
+ if (ret != JBIG2_SUCCESS) { |
+ goto failed; |
+ } |
+ width = (FX_DWORD)dest_image->m_nWidth; |
+ height = (FX_DWORD)dest_image->m_nHeight; |
+ pitch = (FX_DWORD)dest_image->m_nStride; |
+ dest_buf = dest_image->m_pData; |
+ dest_image->m_bNeedFree = FALSE; |
+ delete dest_image; |
+ FX_Free(src_buf); |
+ return TRUE; |
+failed: |
+ if (src_buf) { |
+ FX_Free(src_buf); |
+ } |
+ return FALSE; |
} |
-FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(void* pJbig2Context, FX_DWORD width, FX_DWORD height, FX_LPCBYTE src_buf, FX_DWORD src_size, |
- FX_LPCBYTE global_data, FX_DWORD global_size, FX_LPBYTE dest_buf, FX_DWORD dest_pitch, IFX_Pause* pPause) |
-{ |
- if(!pJbig2Context) { |
- return FXCODEC_STATUS_ERR_PARAMS; |
- } |
- CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; |
- m_pJbig2Context->m_width = width; |
- m_pJbig2Context->m_height = height; |
- m_pJbig2Context->m_src_buf = (unsigned char *)src_buf; |
- m_pJbig2Context->m_src_size = src_size; |
- m_pJbig2Context->m_global_data = global_data; |
- m_pJbig2Context->m_global_size = global_size; |
- m_pJbig2Context->m_dest_buf = dest_buf; |
- m_pJbig2Context->m_dest_pitch = dest_pitch; |
- m_pJbig2Context->m_pPause = pPause; |
- m_pJbig2Context->m_bFileReader = FALSE; |
- FXSYS_memset32(dest_buf, 0, height * dest_pitch); |
- m_pJbig2Context->m_pContext = CJBig2_Context::CreateContext(&m_Module, |
- (FX_LPBYTE)global_data, global_size, (FX_LPBYTE)src_buf, src_size, JBIG2_EMBED_STREAM, pPause); |
- if(!m_pJbig2Context->m_pContext) { |
- return FXCODEC_STATUS_ERROR; |
- } |
- int ret = m_pJbig2Context->m_pContext->getFirstPage(dest_buf, width, height, dest_pitch, pPause); |
- if(m_pJbig2Context->m_pContext->GetProcessiveStatus() == FXCODEC_STATUS_DECODE_FINISH) { |
- CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); |
- m_pJbig2Context->m_pContext = NULL; |
- if (ret != JBIG2_SUCCESS) { |
- return FXCODEC_STATUS_ERROR; |
- } |
- int dword_size = height * dest_pitch / 4; |
- FX_DWORD* dword_buf = (FX_DWORD*)dest_buf; |
- for (int i = 0; i < dword_size; i ++) { |
- dword_buf[i] = ~dword_buf[i]; |
- } |
- return FXCODEC_STATUS_DECODE_FINISH; |
- } |
- return m_pJbig2Context->m_pContext->GetProcessiveStatus(); |
-} |
-FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(void* pJbig2Context, IFX_FileRead* file_ptr, |
- FX_DWORD& width, FX_DWORD& height, FX_DWORD& pitch, FX_LPBYTE& dest_buf, IFX_Pause* pPause) |
-{ |
- if(!pJbig2Context) { |
- return FXCODEC_STATUS_ERR_PARAMS; |
- } |
- CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; |
- m_pJbig2Context->m_bFileReader = TRUE; |
- m_pJbig2Context->m_dest_image = NULL; |
- m_pJbig2Context->m_src_size = (FX_DWORD)file_ptr->GetSize(); |
- m_pJbig2Context->m_src_buf = FX_Alloc(FX_BYTE, m_pJbig2Context->m_src_size); |
- if (m_pJbig2Context->m_src_buf == NULL) { |
- return FXCODEC_STATUS_ERR_MEMORY; |
- } |
- int ret = 0; |
- if(!file_ptr->ReadBlock((void*)m_pJbig2Context->m_src_buf, 0, m_pJbig2Context->m_src_size)) { |
- goto failed; |
- } |
- m_pJbig2Context->m_pContext = CJBig2_Context::CreateContext(&m_Module, NULL, 0, m_pJbig2Context->m_src_buf, m_pJbig2Context->m_src_size, JBIG2_FILE_STREAM, pPause); |
- if(m_pJbig2Context->m_pContext == NULL) { |
- goto failed; |
- } |
- ret = m_pJbig2Context->m_pContext->getFirstPage(&m_pJbig2Context->m_dest_image, pPause); |
- if(m_pJbig2Context->m_pContext->GetProcessiveStatus() == FXCODEC_STATUS_DECODE_TOBECONTINUE) { |
- width = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nWidth; |
- height = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nHeight; |
- pitch = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nStride; |
- dest_buf = m_pJbig2Context->m_dest_image->m_pData; |
- m_pJbig2Context->m_dest_image->m_bNeedFree = FALSE; |
- return FXCODEC_STATUS_DECODE_TOBECONTINUE; |
- } |
+FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(void* pJbig2Context, |
+ FX_DWORD width, |
+ FX_DWORD height, |
+ FX_LPCBYTE src_buf, |
+ FX_DWORD src_size, |
+ FX_LPCBYTE global_data, |
+ FX_DWORD global_size, |
+ FX_LPBYTE dest_buf, |
+ FX_DWORD dest_pitch, |
+ IFX_Pause* pPause) { |
+ if (!pJbig2Context) { |
+ return FXCODEC_STATUS_ERR_PARAMS; |
+ } |
+ CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; |
+ m_pJbig2Context->m_width = width; |
+ m_pJbig2Context->m_height = height; |
+ m_pJbig2Context->m_src_buf = (unsigned char*)src_buf; |
+ m_pJbig2Context->m_src_size = src_size; |
+ m_pJbig2Context->m_global_data = global_data; |
+ m_pJbig2Context->m_global_size = global_size; |
+ m_pJbig2Context->m_dest_buf = dest_buf; |
+ m_pJbig2Context->m_dest_pitch = dest_pitch; |
+ m_pJbig2Context->m_pPause = pPause; |
+ m_pJbig2Context->m_bFileReader = FALSE; |
+ FXSYS_memset32(dest_buf, 0, height * dest_pitch); |
+ m_pJbig2Context->m_pContext = |
+ CJBig2_Context::CreateContext(&m_Module, |
+ (FX_LPBYTE)global_data, |
+ global_size, |
+ (FX_LPBYTE)src_buf, |
+ src_size, |
+ JBIG2_EMBED_STREAM, |
+ pPause); |
+ if (!m_pJbig2Context->m_pContext) { |
+ return FXCODEC_STATUS_ERROR; |
+ } |
+ int ret = m_pJbig2Context->m_pContext->getFirstPage( |
+ dest_buf, width, height, dest_pitch, pPause); |
+ if (m_pJbig2Context->m_pContext->GetProcessiveStatus() == |
+ FXCODEC_STATUS_DECODE_FINISH) { |
CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); |
m_pJbig2Context->m_pContext = NULL; |
if (ret != JBIG2_SUCCESS) { |
- goto failed; |
+ return FXCODEC_STATUS_ERROR; |
+ } |
+ int dword_size = height * dest_pitch / 4; |
+ FX_DWORD* dword_buf = (FX_DWORD*)dest_buf; |
+ for (int i = 0; i < dword_size; i++) { |
+ dword_buf[i] = ~dword_buf[i]; |
} |
+ return FXCODEC_STATUS_DECODE_FINISH; |
+ } |
+ return m_pJbig2Context->m_pContext->GetProcessiveStatus(); |
+} |
+FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(void* pJbig2Context, |
+ IFX_FileRead* file_ptr, |
+ FX_DWORD& width, |
+ FX_DWORD& height, |
+ FX_DWORD& pitch, |
+ FX_LPBYTE& dest_buf, |
+ IFX_Pause* pPause) { |
+ if (!pJbig2Context) { |
+ return FXCODEC_STATUS_ERR_PARAMS; |
+ } |
+ CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; |
+ m_pJbig2Context->m_bFileReader = TRUE; |
+ m_pJbig2Context->m_dest_image = NULL; |
+ m_pJbig2Context->m_src_size = (FX_DWORD)file_ptr->GetSize(); |
+ m_pJbig2Context->m_src_buf = FX_Alloc(FX_BYTE, m_pJbig2Context->m_src_size); |
+ if (m_pJbig2Context->m_src_buf == NULL) { |
+ return FXCODEC_STATUS_ERR_MEMORY; |
+ } |
+ int ret = 0; |
+ if (!file_ptr->ReadBlock( |
+ (void*)m_pJbig2Context->m_src_buf, 0, m_pJbig2Context->m_src_size)) { |
+ goto failed; |
+ } |
+ m_pJbig2Context->m_pContext = |
+ CJBig2_Context::CreateContext(&m_Module, |
+ NULL, |
+ 0, |
+ m_pJbig2Context->m_src_buf, |
+ m_pJbig2Context->m_src_size, |
+ JBIG2_FILE_STREAM, |
+ pPause); |
+ if (m_pJbig2Context->m_pContext == NULL) { |
+ goto failed; |
+ } |
+ ret = m_pJbig2Context->m_pContext->getFirstPage( |
+ &m_pJbig2Context->m_dest_image, pPause); |
+ if (m_pJbig2Context->m_pContext->GetProcessiveStatus() == |
+ FXCODEC_STATUS_DECODE_TOBECONTINUE) { |
width = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nWidth; |
height = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nHeight; |
pitch = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nStride; |
dest_buf = m_pJbig2Context->m_dest_image->m_pData; |
m_pJbig2Context->m_dest_image->m_bNeedFree = FALSE; |
- delete m_pJbig2Context->m_dest_image; |
- FX_Free(m_pJbig2Context->m_src_buf); |
- return FXCODEC_STATUS_DECODE_FINISH; |
+ return FXCODEC_STATUS_DECODE_TOBECONTINUE; |
+ } |
+ CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); |
+ m_pJbig2Context->m_pContext = NULL; |
+ if (ret != JBIG2_SUCCESS) { |
+ goto failed; |
+ } |
+ width = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nWidth; |
+ height = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nHeight; |
+ pitch = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nStride; |
+ dest_buf = m_pJbig2Context->m_dest_image->m_pData; |
+ m_pJbig2Context->m_dest_image->m_bNeedFree = FALSE; |
+ delete m_pJbig2Context->m_dest_image; |
+ FX_Free(m_pJbig2Context->m_src_buf); |
+ return FXCODEC_STATUS_DECODE_FINISH; |
failed: |
- if(m_pJbig2Context->m_src_buf) { |
- FX_Free(m_pJbig2Context->m_src_buf); |
- } |
- m_pJbig2Context->m_src_buf = NULL; |
- return FXCODEC_STATUS_ERROR; |
+ if (m_pJbig2Context->m_src_buf) { |
+ FX_Free(m_pJbig2Context->m_src_buf); |
+ } |
+ m_pJbig2Context->m_src_buf = NULL; |
+ return FXCODEC_STATUS_ERROR; |
} |
-FXCODEC_STATUS CCodec_Jbig2Module::ContinueDecode(void* pJbig2Context, IFX_Pause* pPause) |
-{ |
- CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; |
- int ret = m_pJbig2Context->m_pContext->Continue(pPause); |
- if(m_pJbig2Context->m_pContext->GetProcessiveStatus() == FXCODEC_STATUS_DECODE_FINISH) { |
- if(m_pJbig2Context->m_bFileReader) { |
- CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); |
- m_pJbig2Context->m_pContext = NULL; |
- if (ret != JBIG2_SUCCESS) { |
- if(m_pJbig2Context->m_src_buf) { |
- FX_Free(m_pJbig2Context->m_src_buf); |
- } |
- m_pJbig2Context->m_src_buf = NULL; |
- return FXCODEC_STATUS_ERROR; |
- } |
- delete m_pJbig2Context->m_dest_image; |
- FX_Free(m_pJbig2Context->m_src_buf); |
- return FXCODEC_STATUS_DECODE_FINISH; |
- } else { |
- CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); |
- m_pJbig2Context->m_pContext = NULL; |
- if (ret != JBIG2_SUCCESS) { |
- return FXCODEC_STATUS_ERROR; |
- } |
- int dword_size = m_pJbig2Context->m_height * m_pJbig2Context->m_dest_pitch / 4; |
- FX_DWORD* dword_buf = (FX_DWORD*)m_pJbig2Context->m_dest_buf; |
- for (int i = 0; i < dword_size; i ++) { |
- dword_buf[i] = ~dword_buf[i]; |
- } |
- return FXCODEC_STATUS_DECODE_FINISH; |
+FXCODEC_STATUS CCodec_Jbig2Module::ContinueDecode(void* pJbig2Context, |
+ IFX_Pause* pPause) { |
+ CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; |
+ int ret = m_pJbig2Context->m_pContext->Continue(pPause); |
+ if (m_pJbig2Context->m_pContext->GetProcessiveStatus() == |
+ FXCODEC_STATUS_DECODE_FINISH) { |
+ if (m_pJbig2Context->m_bFileReader) { |
+ CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); |
+ m_pJbig2Context->m_pContext = NULL; |
+ if (ret != JBIG2_SUCCESS) { |
+ if (m_pJbig2Context->m_src_buf) { |
+ FX_Free(m_pJbig2Context->m_src_buf); |
} |
+ m_pJbig2Context->m_src_buf = NULL; |
+ return FXCODEC_STATUS_ERROR; |
+ } |
+ delete m_pJbig2Context->m_dest_image; |
+ FX_Free(m_pJbig2Context->m_src_buf); |
+ return FXCODEC_STATUS_DECODE_FINISH; |
+ } else { |
+ CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); |
+ m_pJbig2Context->m_pContext = NULL; |
+ if (ret != JBIG2_SUCCESS) { |
+ return FXCODEC_STATUS_ERROR; |
+ } |
+ int dword_size = |
+ m_pJbig2Context->m_height * m_pJbig2Context->m_dest_pitch / 4; |
+ FX_DWORD* dword_buf = (FX_DWORD*)m_pJbig2Context->m_dest_buf; |
+ for (int i = 0; i < dword_size; i++) { |
+ dword_buf[i] = ~dword_buf[i]; |
+ } |
+ return FXCODEC_STATUS_DECODE_FINISH; |
} |
- return m_pJbig2Context->m_pContext->GetProcessiveStatus(); |
+ } |
+ return m_pJbig2Context->m_pContext->GetProcessiveStatus(); |
} |
- |
- |
- |