summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--core/src/fxcodec/jbig2/JBig2_Context.cpp2
-rw-r--r--core/src/fxcodec/jbig2/JBig2_TrdProc.cpp222
-rw-r--r--core/src/fxcodec/jbig2/JBig2_TrdProc.h2
3 files changed, 110 insertions, 116 deletions
diff --git a/core/src/fxcodec/jbig2/JBig2_Context.cpp b/core/src/fxcodec/jbig2/JBig2_Context.cpp
index 566b84e54d..958c4a63e2 100644
--- a/core/src/fxcodec/jbig2/JBig2_Context.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_Context.cpp
@@ -940,7 +940,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
new CJBig2_ArithDecoder(m_pStream.get()));
pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
pSegment->m_Result.im =
- pTRD->decode_Arith(pArithDecoder.get(), grContext.get());
+ pTRD->decode_Arith(pArithDecoder.get(), grContext.get(), nullptr);
if (!pSegment->m_Result.im)
return JBIG2_ERROR_FATAL;
m_pStream->alignByte();
diff --git a/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp
index 963c7b1f76..aa9ca59893 100644
--- a/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp
@@ -215,103 +215,124 @@ CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream,
CJBig2_Image* CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
JBig2ArithCtx* grContext,
JBig2IntDecoderState* pIDS) {
- int32_t STRIPT, FIRSTS;
- FX_DWORD NINSTANCES;
- int32_t DT, DFS, CURS;
- int32_t SI, TI;
- CJBig2_Image* IBI;
- FX_DWORD WI, HI;
- int32_t IDS;
- int RI;
- int32_t RDWI, RDHI, RDXI, RDYI;
- CJBig2_Image* IBOI;
- FX_DWORD WOI, HOI;
- FX_BOOL bFirst;
- int32_t bRetained;
- CJBig2_ArithIntDecoder* IADT, *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH,
- *IARDX, *IARDY;
- CJBig2_ArithIaidDecoder* IAID;
+ std::unique_ptr<CJBig2_ArithIntDecoder> IADT;
+ std::unique_ptr<CJBig2_ArithIntDecoder> IAFS;
+ std::unique_ptr<CJBig2_ArithIntDecoder> IADS;
+ std::unique_ptr<CJBig2_ArithIntDecoder> IAIT;
+ std::unique_ptr<CJBig2_ArithIntDecoder> IARI;
+ std::unique_ptr<CJBig2_ArithIntDecoder> IARDW;
+ std::unique_ptr<CJBig2_ArithIntDecoder> IARDH;
+ std::unique_ptr<CJBig2_ArithIntDecoder> IARDX;
+ std::unique_ptr<CJBig2_ArithIntDecoder> IARDY;
+ std::unique_ptr<CJBig2_ArithIaidDecoder> IAID;
+ CJBig2_ArithIntDecoder* pIADT;
+ CJBig2_ArithIntDecoder* pIAFS;
+ CJBig2_ArithIntDecoder* pIADS;
+ CJBig2_ArithIntDecoder* pIAIT;
+ CJBig2_ArithIntDecoder* pIARI;
+ CJBig2_ArithIntDecoder* pIARDW;
+ CJBig2_ArithIntDecoder* pIARDH;
+ CJBig2_ArithIntDecoder* pIARDX;
+ CJBig2_ArithIntDecoder* pIARDY;
+ CJBig2_ArithIaidDecoder* pIAID;
if (pIDS) {
- IADT = pIDS->IADT;
- IAFS = pIDS->IAFS;
- IADS = pIDS->IADS;
- IAIT = pIDS->IAIT;
- IARI = pIDS->IARI;
- IARDW = pIDS->IARDW;
- IARDH = pIDS->IARDH;
- IARDX = pIDS->IARDX;
- IARDY = pIDS->IARDY;
- IAID = pIDS->IAID;
- bRetained = TRUE;
+ pIADT = pIDS->IADT;
+ pIAFS = pIDS->IAFS;
+ pIADS = pIDS->IADS;
+ pIAIT = pIDS->IAIT;
+ pIARI = pIDS->IARI;
+ pIARDW = pIDS->IARDW;
+ pIARDH = pIDS->IARDH;
+ pIARDX = pIDS->IARDX;
+ pIARDY = pIDS->IARDY;
+ pIAID = pIDS->IAID;
} else {
- IADT = new CJBig2_ArithIntDecoder();
- IAFS = new CJBig2_ArithIntDecoder();
- IADS = new CJBig2_ArithIntDecoder();
- IAIT = new CJBig2_ArithIntDecoder();
- IARI = new CJBig2_ArithIntDecoder();
- IARDW = new CJBig2_ArithIntDecoder();
- IARDH = new CJBig2_ArithIntDecoder();
- IARDX = new CJBig2_ArithIntDecoder();
- IARDY = new CJBig2_ArithIntDecoder();
- IAID = new CJBig2_ArithIaidDecoder(SBSYMCODELEN);
- bRetained = FALSE;
+ IADT.reset(new CJBig2_ArithIntDecoder());
+ IAFS.reset(new CJBig2_ArithIntDecoder());
+ IADS.reset(new CJBig2_ArithIntDecoder());
+ IAIT.reset(new CJBig2_ArithIntDecoder());
+ IARI.reset(new CJBig2_ArithIntDecoder());
+ IARDW.reset(new CJBig2_ArithIntDecoder());
+ IARDH.reset(new CJBig2_ArithIntDecoder());
+ IARDX.reset(new CJBig2_ArithIntDecoder());
+ IARDY.reset(new CJBig2_ArithIntDecoder());
+ IAID.reset(new CJBig2_ArithIaidDecoder(SBSYMCODELEN));
+ pIADT = IADT.get();
+ pIAFS = IAFS.get();
+ pIADS = IADS.get();
+ pIAIT = IAIT.get();
+ pIARI = IARI.get();
+ pIARDW = IARDW.get();
+ pIARDH = IARDH.get();
+ pIARDX = IARDX.get();
+ pIARDY = IARDY.get();
+ pIAID = IAID.get();
}
std::unique_ptr<CJBig2_Image> SBREG(new CJBig2_Image(SBW, SBH));
SBREG->fill(SBDEFPIXEL);
- IADT->decode(pArithDecoder, &STRIPT);
+ int32_t STRIPT;
+ pIADT->decode(pArithDecoder, &STRIPT);
STRIPT *= SBSTRIPS;
STRIPT = -STRIPT;
- FIRSTS = 0;
- NINSTANCES = 0;
+ int32_t FIRSTS = 0;
+ FX_DWORD NINSTANCES = 0;
while (NINSTANCES < SBNUMINSTANCES) {
- IADT->decode(pArithDecoder, &DT);
+ int32_t CURS;
+ int32_t DT;
+ pIADT->decode(pArithDecoder, &DT);
DT *= SBSTRIPS;
- STRIPT = STRIPT + DT;
- bFirst = TRUE;
+ STRIPT += DT;
+ bool bFirst = true;
for (;;) {
if (bFirst) {
- IAFS->decode(pArithDecoder, &DFS);
- FIRSTS = FIRSTS + DFS;
+ int32_t DFS;
+ pIAFS->decode(pArithDecoder, &DFS);
+ FIRSTS += DFS;
CURS = FIRSTS;
- bFirst = FALSE;
+ bFirst = false;
} else {
- if (!IADS->decode(pArithDecoder, &IDS))
+ int32_t IDS;
+ if (!pIADS->decode(pArithDecoder, &IDS))
break;
- CURS = CURS + IDS + SBDSOFFSET;
+ CURS += IDS + SBDSOFFSET;
}
if (NINSTANCES >= SBNUMINSTANCES) {
break;
}
int CURT = 0;
if (SBSTRIPS != 1)
- IAIT->decode(pArithDecoder, &CURT);
+ pIAIT->decode(pArithDecoder, &CURT);
- TI = STRIPT + CURT;
+ int32_t TI = STRIPT + CURT;
FX_DWORD IDI;
- IAID->decode(pArithDecoder, &IDI);
+ pIAID->decode(pArithDecoder, &IDI);
if (IDI >= SBNUMSYMS)
- goto failed;
+ return nullptr;
+ int RI;
if (SBREFINE == 0)
RI = 0;
else
- IARI->decode(pArithDecoder, &RI);
-
- if (!SBSYMS[IDI])
- goto failed;
+ pIARI->decode(pArithDecoder, &RI);
+ std::unique_ptr<CJBig2_Image> IBI;
+ CJBig2_Image* pIBI;
if (RI == 0) {
- IBI = SBSYMS[IDI];
+ pIBI = SBSYMS[IDI];
} else {
- IARDW->decode(pArithDecoder, &RDWI);
- IARDH->decode(pArithDecoder, &RDHI);
- IARDX->decode(pArithDecoder, &RDXI);
- IARDY->decode(pArithDecoder, &RDYI);
- IBOI = SBSYMS[IDI];
- WOI = IBOI->m_nWidth;
- HOI = IBOI->m_nHeight;
+ int32_t RDWI;
+ int32_t RDHI;
+ int32_t RDXI;
+ int32_t RDYI;
+ pIARDW->decode(pArithDecoder, &RDWI);
+ pIARDH->decode(pArithDecoder, &RDHI);
+ pIARDX->decode(pArithDecoder, &RDXI);
+ pIARDY->decode(pArithDecoder, &RDYI);
+ CJBig2_Image* IBOI = SBSYMS[IDI];
+ FX_DWORD WOI = IBOI->m_nWidth;
+ FX_DWORD HOI = IBOI->m_nHeight;
if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) {
- goto failed;
+ return nullptr;
}
std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc());
pGRRD->GRW = WOI + RDWI;
@@ -325,89 +346,62 @@ CJBig2_Image* CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
pGRRD->GRAT[1] = SBRAT[1];
pGRRD->GRAT[2] = SBRAT[2];
pGRRD->GRAT[3] = SBRAT[3];
- IBI = pGRRD->decode(pArithDecoder, grContext);
- if (!IBI)
- goto failed;
+ IBI.reset(pGRRD->decode(pArithDecoder, grContext));
+ pIBI = IBI.get();
}
- WI = IBI->m_nWidth;
- HI = IBI->m_nHeight;
+ if (!pIBI)
+ return nullptr;
+
+ FX_DWORD WI = pIBI->m_nWidth;
+ FX_DWORD HI = pIBI->m_nHeight;
if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) ||
(REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) {
- CURS = CURS + WI - 1;
+ CURS += WI - 1;
} else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) ||
(REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) {
- CURS = CURS + HI - 1;
+ CURS += HI - 1;
}
- SI = CURS;
+ int32_t SI = CURS;
if (TRANSPOSED == 0) {
switch (REFCORNER) {
case JBIG2_CORNER_TOPLEFT:
- SBREG->composeFrom(SI, TI, IBI, SBCOMBOP);
+ SBREG->composeFrom(SI, TI, pIBI, SBCOMBOP);
break;
case JBIG2_CORNER_TOPRIGHT:
- SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP);
+ SBREG->composeFrom(SI - WI + 1, TI, pIBI, SBCOMBOP);
break;
case JBIG2_CORNER_BOTTOMLEFT:
- SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP);
+ SBREG->composeFrom(SI, TI - HI + 1, pIBI, SBCOMBOP);
break;
case JBIG2_CORNER_BOTTOMRIGHT:
- SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP);
+ SBREG->composeFrom(SI - WI + 1, TI - HI + 1, pIBI, SBCOMBOP);
break;
}
} else {
switch (REFCORNER) {
case JBIG2_CORNER_TOPLEFT:
- SBREG->composeFrom(TI, SI, IBI, SBCOMBOP);
+ SBREG->composeFrom(TI, SI, pIBI, SBCOMBOP);
break;
case JBIG2_CORNER_TOPRIGHT:
- SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP);
+ SBREG->composeFrom(TI - WI + 1, SI, pIBI, SBCOMBOP);
break;
case JBIG2_CORNER_BOTTOMLEFT:
- SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP);
+ SBREG->composeFrom(TI, SI - HI + 1, pIBI, SBCOMBOP);
break;
case JBIG2_CORNER_BOTTOMRIGHT:
- SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP);
+ SBREG->composeFrom(TI - WI + 1, SI - HI + 1, pIBI, SBCOMBOP);
break;
}
}
- if (RI != 0) {
- delete IBI;
- }
if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) ||
(REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) {
- CURS = CURS + WI - 1;
+ CURS += WI - 1;
} else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) ||
(REFCORNER == JBIG2_CORNER_TOPRIGHT))) {
- CURS = CURS + HI - 1;
+ CURS += HI - 1;
}
- NINSTANCES = NINSTANCES + 1;
+ ++NINSTANCES;
}
}
- if (bRetained == FALSE) {
- delete IADT;
- delete IAFS;
- delete IADS;
- delete IAIT;
- delete IARI;
- delete IARDW;
- delete IARDH;
- delete IARDX;
- delete IARDY;
- delete IAID;
- }
return SBREG.release();
-failed:
- if (bRetained == FALSE) {
- delete IADT;
- delete IAFS;
- delete IADS;
- delete IAIT;
- delete IARI;
- delete IARDW;
- delete IARDH;
- delete IARDX;
- delete IARDY;
- delete IAID;
- }
- return nullptr;
}
diff --git a/core/src/fxcodec/jbig2/JBig2_TrdProc.h b/core/src/fxcodec/jbig2/JBig2_TrdProc.h
index 423b42f758..e36b269ba6 100644
--- a/core/src/fxcodec/jbig2/JBig2_TrdProc.h
+++ b/core/src/fxcodec/jbig2/JBig2_TrdProc.h
@@ -45,7 +45,7 @@ class CJBig2_TRDProc {
CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
JBig2ArithCtx* grContext,
- JBig2IntDecoderState* pIDS = NULL);
+ JBig2IntDecoderState* pIDS);
public:
FX_BOOL SBHUFF;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 07:07:51 +0000