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1 // Copyright 2015 PDFium Authors. All rights reserved. | 1 // Copyright 2015 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 "JBig2_GrrdProc.h" | 7 #include "core/src/fxcodec/jbig2/JBig2_GrrdProc.h" |
8 | 8 |
9 #include <memory> | 9 #include <memory> |
10 | 10 |
11 #include "JBig2_ArithDecoder.h" | 11 #include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" |
12 #include "JBig2_BitStream.h" | 12 #include "core/src/fxcodec/jbig2/JBig2_BitStream.h" |
13 #include "JBig2_Image.h" | 13 #include "core/src/fxcodec/jbig2/JBig2_Image.h" |
14 | 14 |
15 CJBig2_Image* CJBig2_GRRDProc::decode(CJBig2_ArithDecoder* pArithDecoder, | 15 CJBig2_Image* CJBig2_GRRDProc::decode(CJBig2_ArithDecoder* pArithDecoder, |
16 JBig2ArithCtx* grContext) { | 16 JBig2ArithCtx* grContext) { |
17 if (GRW == 0 || GRH == 0) | 17 if (GRW == 0 || GRH == 0) |
18 return new CJBig2_Image(GRW, GRH); | 18 return new CJBig2_Image(GRW, GRH); |
19 | 19 |
20 if (GRTEMPLATE == 0) { | 20 if (GRTEMPLATE == 0) { |
21 if ((GRAT[0] == -1) && (GRAT[1] == -1) && (GRAT[2] == -1) && | 21 if ((GRAT[0] == -1) && (GRAT[1] == -1) && (GRAT[2] == -1) && |
22 (GRAT[3] == -1) && (GRREFERENCEDX == 0) && | 22 (GRAT[3] == -1) && (GRREFERENCEDX == 0) && |
23 (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { | 23 (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { |
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507 pLine[w >> 3] = cVal; | 507 pLine[w >> 3] = cVal; |
508 } | 508 } |
509 } | 509 } |
510 pLine += nStride; | 510 pLine += nStride; |
511 if (h < GRHR + GRREFERENCEDY) { | 511 if (h < GRHR + GRREFERENCEDY) { |
512 pLineR += nStrideR; | 512 pLineR += nStrideR; |
513 } | 513 } |
514 } | 514 } |
515 return GRREG.release(); | 515 return GRREG.release(); |
516 } | 516 } |
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