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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_GsidProc.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_GsidProc.cpp')
-rw-r--r--core/fxcodec/jbig2/JBig2_GsidProc.cpp123
1 files changed, 123 insertions, 0 deletions
diff --git a/core/fxcodec/jbig2/JBig2_GsidProc.cpp b/core/fxcodec/jbig2/JBig2_GsidProc.cpp
new file mode 100644
index 0000000000..92532d7238
--- /dev/null
+++ b/core/fxcodec/jbig2/JBig2_GsidProc.cpp
@@ -0,0 +1,123 @@
+// 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_GsidProc.h"
+
+#include <memory>
+
+#include "core/fxcodec/jbig2/JBig2_BitStream.h"
+#include "core/fxcodec/jbig2/JBig2_GrdProc.h"
+#include "core/fxcodec/jbig2/JBig2_Image.h"
+#include "core/fxcodec/jbig2/JBig2_List.h"
+#include "core/include/fxcrt/fx_basic.h"
+
+FX_DWORD* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
+ JBig2ArithCtx* gbContext,
+ IFX_Pause* pPause) {
+ std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
+ pGRD->MMR = GSMMR;
+ pGRD->GBW = GSW;
+ pGRD->GBH = GSH;
+ pGRD->GBTEMPLATE = GSTEMPLATE;
+ pGRD->TPGDON = 0;
+ pGRD->USESKIP = GSUSESKIP;
+ pGRD->SKIP = GSKIP;
+ if (GSTEMPLATE <= 1) {
+ pGRD->GBAT[0] = 3;
+ } else {
+ pGRD->GBAT[0] = 2;
+ }
+ pGRD->GBAT[1] = -1;
+ 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;
+ }
+
+ CJBig2_List<CJBig2_Image> GSPLANES(GSBPP);
+ for (int32_t i = GSBPP - 1; i >= 0; --i) {
+ CJBig2_Image* pImage = nullptr;
+ FXCODEC_STATUS status =
+ pGRD->Start_decode_Arith(&pImage, pArithDecoder, gbContext, nullptr);
+ while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE)
+ pGRD->Continue_decode(pPause);
+
+ if (!pImage)
+ return nullptr;
+
+ GSPLANES.set(i, pImage);
+
+ if (i < GSBPP - 1)
+ pImage->composeFrom(0, 0, GSPLANES.get(i + 1), JBIG2_COMPOSE_XOR);
+ }
+ std::unique_ptr<FX_DWORD, FxFreeDeleter> GSVALS(
+ FX_Alloc2D(FX_DWORD, GSW, GSH));
+ JBIG2_memset(GSVALS.get(), 0, sizeof(FX_DWORD) * GSW * GSH);
+ for (FX_DWORD y = 0; y < GSH; ++y) {
+ for (FX_DWORD x = 0; x < GSW; ++x) {
+ for (int32_t i = 0; i < GSBPP; ++i) {
+ GSVALS.get()[y * GSW + x] |= GSPLANES.get(i)->getPixel(x, y) << i;
+ }
+ }
+ }
+ return GSVALS.release();
+}
+
+FX_DWORD* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream,
+ IFX_Pause* pPause) {
+ std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
+ pGRD->MMR = GSMMR;
+ pGRD->GBW = GSW;
+ pGRD->GBH = GSH;
+
+ std::unique_ptr<CJBig2_Image*> GSPLANES(FX_Alloc(CJBig2_Image*, GSBPP));
+ JBIG2_memset(GSPLANES.get(), 0, sizeof(CJBig2_Image*) * GSBPP);
+ FXCODEC_STATUS status =
+ pGRD->Start_decode_MMR(&GSPLANES.get()[GSBPP - 1], pStream, nullptr);
+ while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
+ pGRD->Continue_decode(pPause);
+ }
+ if (!GSPLANES.get()[GSBPP - 1])
+ return nullptr;
+
+ pStream->alignByte();
+ pStream->offset(3);
+ int32_t J = GSBPP - 2;
+ while (J >= 0) {
+ FXCODEC_STATUS status =
+ pGRD->Start_decode_MMR(&GSPLANES.get()[J], pStream, nullptr);
+ while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
+ pGRD->Continue_decode(pPause);
+ }
+ if (!GSPLANES.get()[J]) {
+ for (int32_t K = GSBPP - 1; K > J; --K) {
+ delete GSPLANES.get()[K];
+ return nullptr;
+ }
+ }
+ pStream->alignByte();
+ pStream->offset(3);
+ GSPLANES.get()[J]->composeFrom(0, 0, GSPLANES.get()[J + 1],
+ JBIG2_COMPOSE_XOR);
+ J = J - 1;
+ }
+ std::unique_ptr<FX_DWORD> GSVALS(FX_Alloc2D(FX_DWORD, GSW, GSH));
+ JBIG2_memset(GSVALS.get(), 0, sizeof(FX_DWORD) * GSW * GSH);
+ for (FX_DWORD y = 0; y < GSH; ++y) {
+ for (FX_DWORD x = 0; x < GSW; ++x) {
+ for (J = 0; J < GSBPP; ++J) {
+ GSVALS.get()[y * GSW + x] |= GSPLANES.get()[J]->getPixel(x, y) << J;
+ }
+ }
+ }
+ for (J = 0; J < GSBPP; ++J) {
+ delete GSPLANES.get()[J];
+ }
+ return GSVALS.release();
+}