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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 CCodec_ModuleMgr::CCodec_ModuleMgr() | 9 CCodec_ModuleMgr::CCodec_ModuleMgr() |
10 { | 10 { |
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326 m_SrcSize = src_size; | 326 m_SrcSize = src_size; |
327 m_OutputWidth = m_OrigWidth = width; | 327 m_OutputWidth = m_OrigWidth = width; |
328 m_OutputHeight = m_OrigHeight = height; | 328 m_OutputHeight = m_OrigHeight = height; |
329 m_nComps = nComps; | 329 m_nComps = nComps; |
330 m_bpc = bpc; | 330 m_bpc = bpc; |
331 m_bColorTransformed = FALSE; | 331 m_bColorTransformed = FALSE; |
332 m_DownScale = 1; | 332 m_DownScale = 1; |
333 m_Pitch = (width * nComps * bpc + 31) / 32 * 4; | 333 m_Pitch = (width * nComps * bpc + 31) / 32 * 4; |
334 m_dwLineBytes = (width * nComps * bpc + 7) / 8; | 334 m_dwLineBytes = (width * nComps * bpc + 7) / 8; |
335 m_pScanline = FX_Alloc(FX_BYTE, m_Pitch); | 335 m_pScanline = FX_Alloc(FX_BYTE, m_Pitch); |
336 if (m_pScanline == NULL) { | |
337 return FALSE; | |
338 } | |
339 return CheckDestSize(); | 336 return CheckDestSize(); |
340 } | 337 } |
341 FX_BOOL CCodec_RLScanlineDecoder::v_Rewind() | 338 FX_BOOL CCodec_RLScanlineDecoder::v_Rewind() |
342 { | 339 { |
343 FXSYS_memset32(m_pScanline, 0, m_Pitch); | 340 FXSYS_memset32(m_pScanline, 0, m_Pitch); |
344 m_SrcOffset = 0; | 341 m_SrcOffset = 0; |
345 m_bEOD = FALSE; | 342 m_bEOD = FALSE; |
346 m_Operator = 0; | 343 m_Operator = 0; |
347 return TRUE; | 344 return TRUE; |
348 } | 345 } |
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433 ICodec_ScanlineDecoder* CCodec_BasicModule::CreateRunLengthDecoder(FX_LPCBYTE sr
c_buf, FX_DWORD src_size, int width, int height, | 430 ICodec_ScanlineDecoder* CCodec_BasicModule::CreateRunLengthDecoder(FX_LPCBYTE sr
c_buf, FX_DWORD src_size, int width, int height, |
434 int nComps, int bpc) | 431 int nComps, int bpc) |
435 { | 432 { |
436 CCodec_RLScanlineDecoder* pRLScanlineDecoder = new CCodec_RLScanlineDecoder; | 433 CCodec_RLScanlineDecoder* pRLScanlineDecoder = new CCodec_RLScanlineDecoder; |
437 if (!pRLScanlineDecoder->Create(src_buf, src_size, width, height, nComps, bp
c)) { | 434 if (!pRLScanlineDecoder->Create(src_buf, src_size, width, height, nComps, bp
c)) { |
438 delete pRLScanlineDecoder; | 435 delete pRLScanlineDecoder; |
439 return NULL; | 436 return NULL; |
440 } | 437 } |
441 return pRLScanlineDecoder; | 438 return pRLScanlineDecoder; |
442 } | 439 } |
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