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Unified Diff: core/src/fxcodec/codec/fx_codec_flate.cpp

Issue 1172793002: Merge to XFA: Use stdint.h types throughout PDFium. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: Created 5 years, 6 months ago
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Index: core/src/fxcodec/codec/fx_codec_flate.cpp
diff --git a/core/src/fxcodec/codec/fx_codec_flate.cpp b/core/src/fxcodec/codec/fx_codec_flate.cpp
index 7a19e8b85503f647735e5e45def554bd98b4b9f5..9997a570d639108b93092f52fab69e4510692440 100644
--- a/core/src/fxcodec/codec/fx_codec_flate.cpp
+++ b/core/src/fxcodec/codec/fx_codec_flate.cpp
@@ -13,7 +13,7 @@ extern "C"
{
static void* my_alloc_func (void* opaque, unsigned int items, unsigned int size)
{
- return FX_Alloc2D(FX_BYTE, items, size);
+ return FX_Alloc2D(uint8_t, items, size);
}
static void my_free_func (void* opaque, void* address)
{
@@ -79,22 +79,22 @@ extern "C"
class CLZWDecoder
{
public:
- FX_BOOL Decode(FX_LPBYTE output, FX_DWORD& outlen, const FX_BYTE* input, FX_DWORD& size, FX_BOOL bEarlyChange);
+ FX_BOOL Decode(FX_LPBYTE output, FX_DWORD& outlen, const uint8_t* input, FX_DWORD& size, FX_BOOL bEarlyChange);
private:
FX_DWORD m_InPos;
FX_DWORD m_OutPos;
FX_LPBYTE m_pOutput;
- const FX_BYTE* m_pInput;
+ const uint8_t* m_pInput;
FX_BOOL m_Early;
- void AddCode(FX_DWORD prefix_code, FX_BYTE append_char);
+ void AddCode(FX_DWORD prefix_code, uint8_t append_char);
FX_DWORD m_CodeArray[5021];
FX_DWORD m_nCodes;
- FX_BYTE m_DecodeStack[4000];
+ uint8_t m_DecodeStack[4000];
FX_DWORD m_StackLen;
void DecodeString(FX_DWORD code);
int m_CodeLen;
};
-void CLZWDecoder::AddCode(FX_DWORD prefix_code, FX_BYTE append_char)
+void CLZWDecoder::AddCode(FX_DWORD prefix_code, uint8_t append_char)
{
if (m_nCodes + m_Early == 4094) {
return;
@@ -119,15 +119,15 @@ void CLZWDecoder::DecodeString(FX_DWORD code)
if (m_StackLen >= sizeof(m_DecodeStack)) {
return;
}
- m_DecodeStack[m_StackLen++] = (FX_BYTE)data;
+ m_DecodeStack[m_StackLen++] = (uint8_t)data;
code = data >> 16;
}
if (m_StackLen >= sizeof(m_DecodeStack)) {
return;
}
- m_DecodeStack[m_StackLen++] = (FX_BYTE)code;
+ m_DecodeStack[m_StackLen++] = (uint8_t)code;
}
-int CLZWDecoder::Decode(FX_LPBYTE dest_buf, FX_DWORD& dest_size, const FX_BYTE* src_buf, FX_DWORD& src_size, FX_BOOL bEarlyChange)
+int CLZWDecoder::Decode(FX_LPBYTE dest_buf, FX_DWORD& dest_size, const uint8_t* src_buf, FX_DWORD& src_size, FX_BOOL bEarlyChange)
{
m_CodeLen = 9;
m_InPos = 0;
@@ -137,7 +137,7 @@ int CLZWDecoder::Decode(FX_LPBYTE dest_buf, FX_DWORD& dest_size, const FX_BYTE*
m_Early = bEarlyChange ? 1 : 0;
m_nCodes = 0;
FX_DWORD old_code = (FX_DWORD) - 1;
- FX_BYTE last_char;
+ uint8_t last_char;
while (1) {
if (m_InPos + m_CodeLen > src_size * 8) {
break;
@@ -164,10 +164,10 @@ int CLZWDecoder::Decode(FX_LPBYTE dest_buf, FX_DWORD& dest_size, const FX_BYTE*
return -5;
}
if (m_pOutput) {
- m_pOutput[m_OutPos] = (FX_BYTE)code;
+ m_pOutput[m_OutPos] = (uint8_t)code;
}
m_OutPos ++;
- last_char = (FX_BYTE)code;
+ last_char = (uint8_t)code;
if (old_code != (FX_DWORD) - 1) {
AddCode(old_code, last_char);
}
@@ -217,19 +217,19 @@ int CLZWDecoder::Decode(FX_LPBYTE dest_buf, FX_DWORD& dest_size, const FX_BYTE*
src_size = (m_InPos + 7) / 8;
return 0;
}
-static FX_BYTE PaethPredictor(int a, int b, int c)
+static uint8_t PaethPredictor(int a, int b, int c)
{
int p = a + b - c;
int pa = FXSYS_abs(p - a);
int pb = FXSYS_abs(p - b);
int pc = FXSYS_abs(p - c);
if (pa <= pb && pa <= pc) {
- return (FX_BYTE)a;
+ return (uint8_t)a;
}
if (pb <= pc) {
- return (FX_BYTE)b;
+ return (uint8_t)b;
}
- return (FX_BYTE)c;
+ return (uint8_t)c;
}
static FX_BOOL PNG_PredictorEncode(FX_LPBYTE& data_buf, FX_DWORD& data_size,
int predictor, int Colors,
@@ -241,7 +241,7 @@ static FX_BOOL PNG_PredictorEncode(FX_LPBYTE& data_buf, FX_DWORD& data_size,
return FALSE;
const int row_count = (data_size + row_size - 1) / row_size;
const int last_row_size = data_size % row_size;
- FX_LPBYTE dest_buf = FX_Alloc2D(FX_BYTE, row_size + 1, row_count);
+ FX_LPBYTE dest_buf = FX_Alloc2D(uint8_t, row_size + 1, row_count);
int byte_cnt = 0;
FX_LPBYTE pSrcData = data_buf;
FX_LPBYTE pDestData = dest_buf;
@@ -262,7 +262,7 @@ static FX_BOOL PNG_PredictorEncode(FX_LPBYTE& data_buf, FX_DWORD& data_size,
switch (predictor) {
case 11: {
pDestData[0] = 1;
- FX_BYTE left = 0;
+ uint8_t left = 0;
if (byte >= BytesPerPixel) {
left = pSrcData[byte - BytesPerPixel];
}
@@ -271,7 +271,7 @@ static FX_BOOL PNG_PredictorEncode(FX_LPBYTE& data_buf, FX_DWORD& data_size,
break;
case 12: {
pDestData[0] = 2;
- FX_BYTE up = 0;
+ uint8_t up = 0;
if (row) {
up = pSrcData[byte - row_size];
}
@@ -280,11 +280,11 @@ static FX_BOOL PNG_PredictorEncode(FX_LPBYTE& data_buf, FX_DWORD& data_size,
break;
case 13: {
pDestData[0] = 3;
- FX_BYTE left = 0;
+ uint8_t left = 0;
if (byte >= BytesPerPixel) {
left = pSrcData[byte - BytesPerPixel];
}
- FX_BYTE up = 0;
+ uint8_t up = 0;
if (row) {
up = pSrcData[byte - row_size];
}
@@ -293,15 +293,15 @@ static FX_BOOL PNG_PredictorEncode(FX_LPBYTE& data_buf, FX_DWORD& data_size,
break;
case 14: {
pDestData[0] = 4;
- FX_BYTE left = 0;
+ uint8_t left = 0;
if (byte >= BytesPerPixel) {
left = pSrcData[byte - BytesPerPixel];
}
- FX_BYTE up = 0;
+ uint8_t up = 0;
if (row) {
up = pSrcData[byte - row_size];
}
- FX_BYTE upper_left = 0;
+ uint8_t upper_left = 0;
if (byte >= BytesPerPixel && row) {
upper_left = pSrcData[byte - row_size - BytesPerPixel];
}
@@ -328,16 +328,16 @@ static void PNG_PredictLine(FX_LPBYTE pDestData, FX_LPCBYTE pSrcData, FX_LPCBYTE
{
int row_size = (nPixels * bpc * nColors + 7) / 8;
int BytesPerPixel = (bpc * nColors + 7) / 8;
- FX_BYTE tag = pSrcData[0];
+ uint8_t tag = pSrcData[0];
if (tag == 0) {
FXSYS_memmove32(pDestData, pSrcData + 1, row_size);
return;
}
for (int byte = 0; byte < row_size; byte ++) {
- FX_BYTE raw_byte = pSrcData[byte + 1];
+ uint8_t raw_byte = pSrcData[byte + 1];
switch (tag) {
case 1: {
- FX_BYTE left = 0;
+ uint8_t left = 0;
if (byte >= BytesPerPixel) {
left = pDestData[byte - BytesPerPixel];
}
@@ -345,7 +345,7 @@ static void PNG_PredictLine(FX_LPBYTE pDestData, FX_LPCBYTE pSrcData, FX_LPCBYTE
break;
}
case 2: {
- FX_BYTE up = 0;
+ uint8_t up = 0;
if (pLastLine) {
up = pLastLine[byte];
}
@@ -353,11 +353,11 @@ static void PNG_PredictLine(FX_LPBYTE pDestData, FX_LPCBYTE pSrcData, FX_LPCBYTE
break;
}
case 3: {
- FX_BYTE left = 0;
+ uint8_t left = 0;
if (byte >= BytesPerPixel) {
left = pDestData[byte - BytesPerPixel];
}
- FX_BYTE up = 0;
+ uint8_t up = 0;
if (pLastLine) {
up = pLastLine[byte];
}
@@ -365,15 +365,15 @@ static void PNG_PredictLine(FX_LPBYTE pDestData, FX_LPCBYTE pSrcData, FX_LPCBYTE
break;
}
case 4: {
- FX_BYTE left = 0;
+ uint8_t left = 0;
if (byte >= BytesPerPixel) {
left = pDestData[byte - BytesPerPixel];
}
- FX_BYTE up = 0;
+ uint8_t up = 0;
if (pLastLine) {
up = pLastLine[byte];
}
- FX_BYTE upper_left = 0;
+ uint8_t upper_left = 0;
if (byte >= BytesPerPixel && pLastLine) {
upper_left = pLastLine[byte - BytesPerPixel];
}
@@ -395,12 +395,12 @@ static FX_BOOL PNG_Predictor(FX_LPBYTE& data_buf, FX_DWORD& data_size,
return FALSE;
const int row_count = (data_size + row_size) / (row_size + 1);
const int last_row_size = data_size % (row_size + 1);
- FX_LPBYTE dest_buf = FX_Alloc2D(FX_BYTE, row_size, row_count);
+ FX_LPBYTE dest_buf = FX_Alloc2D(uint8_t, row_size, row_count);
int byte_cnt = 0;
FX_LPBYTE pSrcData = data_buf;
FX_LPBYTE pDestData = dest_buf;
for (int row = 0; row < row_count; row ++) {
- FX_BYTE tag = pSrcData[0];
+ uint8_t tag = pSrcData[0];
byte_cnt++;
if (tag == 0) {
int move_size = row_size;
@@ -414,10 +414,10 @@ static FX_BOOL PNG_Predictor(FX_LPBYTE& data_buf, FX_DWORD& data_size,
continue;
}
for (int byte = 0; byte < row_size && byte_cnt < (int)data_size; byte ++) {
- FX_BYTE raw_byte = pSrcData[byte + 1];
+ uint8_t raw_byte = pSrcData[byte + 1];
switch (tag) {
case 1: {
- FX_BYTE left = 0;
+ uint8_t left = 0;
if (byte >= BytesPerPixel) {
left = pDestData[byte - BytesPerPixel];
}
@@ -425,7 +425,7 @@ static FX_BOOL PNG_Predictor(FX_LPBYTE& data_buf, FX_DWORD& data_size,
break;
}
case 2: {
- FX_BYTE up = 0;
+ uint8_t up = 0;
if (row) {
up = pDestData[byte - row_size];
}
@@ -433,11 +433,11 @@ static FX_BOOL PNG_Predictor(FX_LPBYTE& data_buf, FX_DWORD& data_size,
break;
}
case 3: {
- FX_BYTE left = 0;
+ uint8_t left = 0;
if (byte >= BytesPerPixel) {
left = pDestData[byte - BytesPerPixel];
}
- FX_BYTE up = 0;
+ uint8_t up = 0;
if (row) {
up = pDestData[byte - row_size];
}
@@ -445,15 +445,15 @@ static FX_BOOL PNG_Predictor(FX_LPBYTE& data_buf, FX_DWORD& data_size,
break;
}
case 4: {
- FX_BYTE left = 0;
+ uint8_t left = 0;
if (byte >= BytesPerPixel) {
left = pDestData[byte - BytesPerPixel];
}
- FX_BYTE up = 0;
+ uint8_t up = 0;
if (row) {
up = pDestData[byte - row_size];
}
- FX_BYTE upper_left = 0;
+ uint8_t upper_left = 0;
if (byte >= BytesPerPixel && row) {
upper_left = pDestData[byte - row_size - BytesPerPixel];
}
@@ -478,7 +478,7 @@ static void TIFF_PredictorEncodeLine(FX_LPBYTE dest_buf, int row_size, int BitsP
{
int BytesPerPixel = BitsPerComponent * Colors / 8;
if (BitsPerComponent < 8) {
- FX_BYTE mask = 0x01;
+ uint8_t mask = 0x01;
if (BitsPerComponent == 2) {
mask = 0x03;
} else if (BitsPerComponent == 4) {
@@ -490,8 +490,8 @@ static void TIFF_PredictorEncodeLine(FX_LPBYTE dest_buf, int row_size, int BitsP
int index = i / 8;
int col_pre = (col == 0) ? (8 - BitsPerComponent) : (col - BitsPerComponent);
int index_pre = (col == 0) ? (index - 1) : index;
- FX_BYTE cur = (dest_buf[index] >> (8 - col - BitsPerComponent)) & mask;
- FX_BYTE left = (dest_buf[index_pre] >> (8 - col_pre - BitsPerComponent)) & mask;
+ uint8_t cur = (dest_buf[index] >> (8 - col - BitsPerComponent)) & mask;
+ uint8_t left = (dest_buf[index_pre] >> (8 - col_pre - BitsPerComponent)) & mask;
cur -= left;
cur &= mask;
cur <<= (8 - col - BitsPerComponent);
@@ -507,7 +507,7 @@ static void TIFF_PredictorEncodeLine(FX_LPBYTE dest_buf, int row_size, int BitsP
FX_WORD pixel = (dest_buf[i] << 8) | dest_buf[i + 1];
pixel -= (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1];
dest_buf[i] = pixel >> 8;
- dest_buf[i + 1] = (FX_BYTE)pixel;
+ dest_buf[i + 1] = (uint8_t)pixel;
}
}
}
@@ -553,7 +553,7 @@ static void TIFF_PredictLine(FX_LPBYTE dest_buf, int row_size, int BitsPerCompon
FX_WORD pixel = (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1];
pixel += (dest_buf[i] << 8) | dest_buf[i + 1];
dest_buf[i] = pixel >> 8;
- dest_buf[i + 1] = (FX_BYTE)pixel;
+ dest_buf[i + 1] = (uint8_t)pixel;
}
} else {
for (int i = BytesPerPixel; i < row_size; i ++) {
@@ -641,7 +641,7 @@ void CCodec_FlateScanlineDecoder::Create(FX_LPCBYTE src_buf, FX_DWORD src_size,
m_bpc = bpc;
m_bColorTransformed = FALSE;
m_Pitch = (width * nComps * bpc + 7) / 8;
- m_pScanline = FX_Alloc(FX_BYTE, m_Pitch);
+ m_pScanline = FX_Alloc(uint8_t, m_Pitch);
m_Predictor = 0;
if (predictor) {
if (predictor >= 10) {
@@ -659,9 +659,9 @@ void CCodec_FlateScanlineDecoder::Create(FX_LPCBYTE src_buf, FX_DWORD src_size,
m_BitsPerComponent = BitsPerComponent;
m_Columns = Columns;
m_PredictPitch = (m_BitsPerComponent * m_Colors * m_Columns + 7) / 8;
- m_pLastLine = FX_Alloc(FX_BYTE, m_PredictPitch);
- m_pPredictRaw = FX_Alloc(FX_BYTE, m_PredictPitch + 1);
- m_pPredictBuffer = FX_Alloc(FX_BYTE, m_PredictPitch);
+ m_pLastLine = FX_Alloc(uint8_t, m_PredictPitch);
+ m_pPredictRaw = FX_Alloc(uint8_t, m_PredictPitch + 1);
+ m_pPredictBuffer = FX_Alloc(uint8_t, m_PredictPitch);
}
}
}
@@ -737,7 +737,7 @@ static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig
FX_DWORD last_buf_size = buf_size;
void* context = nullptr;
- FX_LPBYTE guess_buf = FX_Alloc(FX_BYTE, guess_size + 1);
+ FX_LPBYTE guess_buf = FX_Alloc(uint8_t, guess_size + 1);
FX_LPBYTE cur_buf = guess_buf;
guess_buf[guess_size] = '\0';
context = FPDFAPI_FlateInit(my_alloc_func, my_free_func);
@@ -746,10 +746,10 @@ static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig
FPDFAPI_FlateInput(context, src_buf, src_size);
if (useOldImpl) {
while (1) {
- FX_INT32 ret = FPDFAPI_FlateOutput(context, cur_buf, buf_size);
+ int32_t ret = FPDFAPI_FlateOutput(context, cur_buf, buf_size);
if (ret != Z_OK)
break;
- FX_INT32 avail_buf_size = FPDFAPI_FlateGetAvailOut(context);
+ int32_t avail_buf_size = FPDFAPI_FlateGetAvailOut(context);
if (avail_buf_size != 0)
break;
@@ -758,7 +758,7 @@ static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig
guess_size += alloc_step;
if (guess_size < old_size || guess_size + 1 < guess_size)
goto fail;
- guess_buf = FX_Realloc(FX_BYTE, guess_buf, guess_size + 1);
+ guess_buf = FX_Realloc(uint8_t, guess_buf, guess_size + 1);
if (!guess_buf)
goto fail;
guess_buf[guess_size] = '\0';
@@ -768,7 +768,7 @@ static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig
dest_size = FPDFAPI_FlateGetTotalOut(context);
offset = FPDFAPI_FlateGetTotalIn(context);
if (guess_size / 2 > dest_size) {
- guess_buf = FX_Realloc(FX_BYTE, guess_buf, dest_size + 1);
+ guess_buf = FX_Realloc(uint8_t, guess_buf, dest_size + 1);
if (!guess_buf)
goto fail;
guess_size = dest_size;
@@ -778,8 +778,8 @@ static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig
} else {
CFX_ArrayTemplate<FX_LPBYTE> result_tmp_bufs;
while (1) {
- FX_INT32 ret = FPDFAPI_FlateOutput(context, cur_buf, buf_size);
- FX_INT32 avail_buf_size = FPDFAPI_FlateGetAvailOut(context);
+ int32_t ret = FPDFAPI_FlateOutput(context, cur_buf, buf_size);
+ int32_t avail_buf_size = FPDFAPI_FlateGetAvailOut(context);
if (ret != Z_OK) {
last_buf_size = buf_size - avail_buf_size;
result_tmp_bufs.Add(cur_buf);
@@ -793,7 +793,7 @@ static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig
// |avail_buf_size| == 0 case.
result_tmp_bufs.Add(cur_buf);
- cur_buf = FX_Alloc(FX_BYTE, buf_size + 1);
+ cur_buf = FX_Alloc(uint8_t, buf_size + 1);
cur_buf[buf_size] = '\0';
}
dest_size = FPDFAPI_FlateGetTotalOut(context);
@@ -801,9 +801,9 @@ static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig
if (result_tmp_bufs.GetSize() == 1) {
dest_buf = result_tmp_bufs[0];
} else {
- FX_LPBYTE result_buf = FX_Alloc(FX_BYTE, dest_size);
+ FX_LPBYTE result_buf = FX_Alloc(uint8_t, dest_size);
FX_DWORD result_pos = 0;
- for (FX_INT32 i = 0; i < result_tmp_bufs.GetSize(); i++) {
+ for (int32_t i = 0; i < result_tmp_bufs.GetSize(); i++) {
FX_LPBYTE tmp_buf = result_tmp_bufs[i];
FX_DWORD tmp_buf_size = buf_size;
if (i == result_tmp_bufs.GetSize() - 1) {
@@ -832,7 +832,7 @@ ICodec_ScanlineDecoder* CCodec_FlateModule::CreateDecoder(FX_LPCBYTE src_buf, FX
pDecoder->Create(src_buf, src_size, width, height, nComps, bpc, predictor, Colors, BitsPerComponent, Columns);
return pDecoder;
}
-FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW, const FX_BYTE* src_buf, FX_DWORD src_size, FX_BOOL bEarlyChange,
+FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW, const uint8_t* src_buf, FX_DWORD src_size, FX_BOOL bEarlyChange,
int predictor, int Colors, int BitsPerComponent, int Columns,
FX_DWORD estimated_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size)
{
@@ -859,7 +859,7 @@ FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW, const FX_BYTE* src_b
}
{
nonstd::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder);
- dest_buf = FX_Alloc( FX_BYTE, dest_size + 1);
+ dest_buf = FX_Alloc( uint8_t, dest_size + 1);
dest_buf[dest_size] = '\0';
decoder->Decode(dest_buf, dest_size, src_buf, offset, bEarlyChange);
}
@@ -879,7 +879,7 @@ FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW, const FX_BYTE* src_b
}
return ret ? offset : -1;
}
-FX_BOOL CCodec_FlateModule::Encode(const FX_BYTE* src_buf, FX_DWORD src_size,
+FX_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf, FX_DWORD src_size,
int predictor, int Colors, int BitsPerComponent, int Columns,
FX_LPBYTE& dest_buf, FX_DWORD& dest_size)
{
@@ -887,7 +887,7 @@ FX_BOOL CCodec_FlateModule::Encode(const FX_BYTE* src_buf, FX_DWORD src_size,
return Encode(src_buf, src_size, dest_buf, dest_size);
}
FX_LPBYTE pSrcBuf = NULL;
- pSrcBuf = FX_Alloc(FX_BYTE, src_size);
+ pSrcBuf = FX_Alloc(uint8_t, src_size);
FXSYS_memcpy32(pSrcBuf, src_buf, src_size);
FX_BOOL ret = TRUE;
if (predictor == 2) {
@@ -905,7 +905,7 @@ FX_BOOL CCodec_FlateModule::Encode(const FX_BYTE* src_buf, FX_DWORD src_size,
FX_BOOL CCodec_FlateModule::Encode(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size)
{
dest_size = src_size + src_size / 1000 + 12;
- dest_buf = FX_Alloc( FX_BYTE, dest_size);
+ dest_buf = FX_Alloc( uint8_t, dest_size);
unsigned long temp_size = dest_size;
FPDFAPI_FlateCompress(dest_buf, &temp_size, src_buf, src_size);
dest_size = (FX_DWORD)temp_size;
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