summaryrefslogtreecommitdiff
path: root/core/fxcodec/jbig2/JBig2_PddProc.cpp
diff options
context:
space:
mode:
authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
commit764ec513eecbebd12781bcc96ce81ed5e736ee92 (patch)
tree12763fde4be1f10ea1183d92185917b2b587e00b /core/fxcodec/jbig2/JBig2_PddProc.cpp
parent97da97662417085774f75c26e535c6fbe70266ae (diff)
downloadpdfium-764ec513eecbebd12781bcc96ce81ed5e736ee92.tar.xz
Move core/src/ up to core/.
This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 .
Diffstat (limited to 'core/fxcodec/jbig2/JBig2_PddProc.cpp')
-rw-r--r--core/fxcodec/jbig2/JBig2_PddProc.cpp87
1 files changed, 87 insertions, 0 deletions
diff --git a/core/fxcodec/jbig2/JBig2_PddProc.cpp b/core/fxcodec/jbig2/JBig2_PddProc.cpp
new file mode 100644
index 0000000000..5b67aadb57
--- /dev/null
+++ b/core/fxcodec/jbig2/JBig2_PddProc.cpp
@@ -0,0 +1,87 @@
+// Copyright 2015 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 "core/fxcodec/jbig2/JBig2_PddProc.h"
+
+#include <memory>
+
+#include "core/fxcodec/jbig2/JBig2_GrdProc.h"
+#include "core/fxcodec/jbig2/JBig2_Image.h"
+#include "core/fxcodec/jbig2/JBig2_PatternDict.h"
+
+CJBig2_PatternDict* CJBig2_PDDProc::decode_Arith(
+ CJBig2_ArithDecoder* pArithDecoder,
+ JBig2ArithCtx* gbContext,
+ IFX_Pause* pPause) {
+ FX_DWORD GRAY;
+ CJBig2_Image* BHDC = nullptr;
+ std::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict());
+ pDict->NUMPATS = GRAYMAX + 1;
+ pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS);
+ JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS);
+
+ std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
+ pGRD->MMR = HDMMR;
+ pGRD->GBW = (GRAYMAX + 1) * HDPW;
+ pGRD->GBH = HDPH;
+ pGRD->GBTEMPLATE = HDTEMPLATE;
+ pGRD->TPGDON = 0;
+ pGRD->USESKIP = 0;
+ pGRD->GBAT[0] = -(int32_t)HDPW;
+ pGRD->GBAT[1] = 0;
+ if (pGRD->GBTEMPLATE == 0) {
+ pGRD->GBAT[2] = -3;
+ pGRD->GBAT[3] = -1;
+ pGRD->GBAT[4] = 2;
+ pGRD->GBAT[5] = -2;
+ pGRD->GBAT[6] = -2;
+ pGRD->GBAT[7] = -2;
+ }
+ FXCODEC_STATUS status =
+ pGRD->Start_decode_Arith(&BHDC, pArithDecoder, gbContext, nullptr);
+ while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
+ pGRD->Continue_decode(pPause);
+ }
+ if (!BHDC)
+ return nullptr;
+
+ GRAY = 0;
+ while (GRAY <= GRAYMAX) {
+ pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH);
+ GRAY = GRAY + 1;
+ }
+ delete BHDC;
+ return pDict.release();
+}
+
+CJBig2_PatternDict* CJBig2_PDDProc::decode_MMR(CJBig2_BitStream* pStream,
+ IFX_Pause* pPause) {
+ FX_DWORD GRAY;
+ CJBig2_Image* BHDC = nullptr;
+ std::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict());
+ pDict->NUMPATS = GRAYMAX + 1;
+ pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS);
+ JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS);
+
+ std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
+ pGRD->MMR = HDMMR;
+ pGRD->GBW = (GRAYMAX + 1) * HDPW;
+ pGRD->GBH = HDPH;
+ FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHDC, pStream, nullptr);
+ while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
+ pGRD->Continue_decode(pPause);
+ }
+ if (!BHDC)
+ return nullptr;
+
+ GRAY = 0;
+ while (GRAY <= GRAYMAX) {
+ pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH);
+ GRAY = GRAY + 1;
+ }
+ delete BHDC;
+ return pDict.release();
+}