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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 "core/fxcodec/jbig2/JBig2_HtrdProc.h" | 7 #include "core/fxcodec/jbig2/JBig2_HtrdProc.h" |
8 | 8 |
9 #include <memory> | 9 #include <memory> |
10 | 10 |
11 #include "core/fxcodec/jbig2/JBig2_GsidProc.h" | 11 #include "core/fxcodec/jbig2/JBig2_GsidProc.h" |
12 #include "core/fxcrt/include/fx_basic.h" | 12 #include "core/fxcrt/fx_basic.h" |
13 | 13 |
14 CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, | 14 CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, |
15 JBig2ArithCtx* gbContext, | 15 JBig2ArithCtx* gbContext, |
16 IFX_Pause* pPause) { | 16 IFX_Pause* pPause) { |
17 uint32_t ng, mg; | 17 uint32_t ng, mg; |
18 int32_t x, y; | 18 int32_t x, y; |
19 uint32_t HBPP; | 19 uint32_t HBPP; |
20 uint32_t* GI; | 20 uint32_t* GI; |
21 std::unique_ptr<CJBig2_Image> HSKIP; | 21 std::unique_ptr<CJBig2_Image> HSKIP; |
22 std::unique_ptr<CJBig2_Image> HTREG(new CJBig2_Image(HBW, HBH)); | 22 std::unique_ptr<CJBig2_Image> HTREG(new CJBig2_Image(HBW, HBH)); |
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95 uint32_t pat_index = GI[mg * HGW + ng]; | 95 uint32_t pat_index = GI[mg * HGW + ng]; |
96 if (pat_index >= HNUMPATS) { | 96 if (pat_index >= HNUMPATS) { |
97 pat_index = HNUMPATS - 1; | 97 pat_index = HNUMPATS - 1; |
98 } | 98 } |
99 HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); | 99 HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); |
100 } | 100 } |
101 } | 101 } |
102 FX_Free(GI); | 102 FX_Free(GI); |
103 return HTREG.release(); | 103 return HTREG.release(); |
104 } | 104 } |
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