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path: root/core/src/fxcodec/codec/fx_codec_flate.cpp
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Diffstat (limited to 'core/src/fxcodec/codec/fx_codec_flate.cpp')
-rw-r--r--core/src/fxcodec/codec/fx_codec_flate.cpp78
1 files changed, 39 insertions, 39 deletions
diff --git a/core/src/fxcodec/codec/fx_codec_flate.cpp b/core/src/fxcodec/codec/fx_codec_flate.cpp
index 9997a570d6..2e6cf4e8db 100644
--- a/core/src/fxcodec/codec/fx_codec_flate.cpp
+++ b/core/src/fxcodec/codec/fx_codec_flate.cpp
@@ -79,11 +79,11 @@ extern "C"
class CLZWDecoder
{
public:
- FX_BOOL Decode(FX_LPBYTE output, FX_DWORD& outlen, const uint8_t* input, FX_DWORD& size, FX_BOOL bEarlyChange);
+ FX_BOOL Decode(uint8_t* 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;
+ uint8_t* m_pOutput;
const uint8_t* m_pInput;
FX_BOOL m_Early;
void AddCode(FX_DWORD prefix_code, uint8_t append_char);
@@ -127,7 +127,7 @@ void CLZWDecoder::DecodeString(FX_DWORD code)
}
m_DecodeStack[m_StackLen++] = (uint8_t)code;
}
-int CLZWDecoder::Decode(FX_LPBYTE dest_buf, FX_DWORD& dest_size, const uint8_t* src_buf, FX_DWORD& src_size, FX_BOOL bEarlyChange)
+int CLZWDecoder::Decode(uint8_t* dest_buf, FX_DWORD& dest_size, const uint8_t* src_buf, FX_DWORD& src_size, FX_BOOL bEarlyChange)
{
m_CodeLen = 9;
m_InPos = 0;
@@ -231,7 +231,7 @@ static uint8_t PaethPredictor(int a, int b, int c)
}
return (uint8_t)c;
}
-static FX_BOOL PNG_PredictorEncode(FX_LPBYTE& data_buf, FX_DWORD& data_size,
+static FX_BOOL PNG_PredictorEncode(uint8_t*& data_buf, FX_DWORD& data_size,
int predictor, int Colors,
int BitsPerComponent, int Columns)
{
@@ -241,10 +241,10 @@ 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(uint8_t, row_size + 1, row_count);
+ uint8_t* 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;
+ uint8_t* pSrcData = data_buf;
+ uint8_t* pDestData = dest_buf;
for (int row = 0; row < row_count; row++) {
if (predictor == 10) {
pDestData[0] = 0;
@@ -323,7 +323,7 @@ static FX_BOOL PNG_PredictorEncode(FX_LPBYTE& data_buf, FX_DWORD& data_size,
data_size = (row_size + 1) * row_count - (last_row_size > 0 ? (row_size - last_row_size) : 0);
return TRUE;
}
-static void PNG_PredictLine(FX_LPBYTE pDestData, FX_LPCBYTE pSrcData, FX_LPCBYTE pLastLine,
+static void PNG_PredictLine(uint8_t* pDestData, const uint8_t* pSrcData, const uint8_t* pLastLine,
int bpc, int nColors, int nPixels)
{
int row_size = (nPixels * bpc * nColors + 7) / 8;
@@ -386,7 +386,7 @@ static void PNG_PredictLine(FX_LPBYTE pDestData, FX_LPCBYTE pSrcData, FX_LPCBYTE
}
}
}
-static FX_BOOL PNG_Predictor(FX_LPBYTE& data_buf, FX_DWORD& data_size,
+static FX_BOOL PNG_Predictor(uint8_t*& data_buf, FX_DWORD& data_size,
int Colors, int BitsPerComponent, int Columns)
{
const int BytesPerPixel = (Colors * BitsPerComponent + 7) / 8;
@@ -395,10 +395,10 @@ 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(uint8_t, row_size, row_count);
+ uint8_t* dest_buf = FX_Alloc2D(uint8_t, row_size, row_count);
int byte_cnt = 0;
- FX_LPBYTE pSrcData = data_buf;
- FX_LPBYTE pDestData = dest_buf;
+ uint8_t* pSrcData = data_buf;
+ uint8_t* pDestData = dest_buf;
for (int row = 0; row < row_count; row ++) {
uint8_t tag = pSrcData[0];
byte_cnt++;
@@ -474,7 +474,7 @@ static FX_BOOL PNG_Predictor(FX_LPBYTE& data_buf, FX_DWORD& data_size,
data_size = row_size * row_count - (last_row_size > 0 ? (row_size + 1 - last_row_size) : 0);
return TRUE;
}
-static void TIFF_PredictorEncodeLine(FX_LPBYTE dest_buf, int row_size, int BitsPerComponent, int Colors, int Columns)
+static void TIFF_PredictorEncodeLine(uint8_t* dest_buf, int row_size, int BitsPerComponent, int Colors, int Columns)
{
int BytesPerPixel = BitsPerComponent * Colors / 8;
if (BitsPerComponent < 8) {
@@ -511,7 +511,7 @@ static void TIFF_PredictorEncodeLine(FX_LPBYTE dest_buf, int row_size, int BitsP
}
}
}
-static FX_BOOL TIFF_PredictorEncode(FX_LPBYTE& data_buf, FX_DWORD& data_size,
+static FX_BOOL TIFF_PredictorEncode(uint8_t*& data_buf, FX_DWORD& data_size,
int Colors, int BitsPerComponent, int Columns)
{
int row_size = (Colors * BitsPerComponent * Columns + 7) / 8;
@@ -520,7 +520,7 @@ static FX_BOOL TIFF_PredictorEncode(FX_LPBYTE& data_buf, FX_DWORD& data_size,
const int row_count = (data_size + row_size - 1) / row_size;
const int last_row_size = data_size % row_size;
for (int row = 0; row < row_count; row++) {
- FX_LPBYTE scan_line = data_buf + row * row_size;
+ uint8_t* scan_line = data_buf + row * row_size;
if ((row + 1) * row_size > (int)data_size) {
row_size = last_row_size;
}
@@ -528,7 +528,7 @@ static FX_BOOL TIFF_PredictorEncode(FX_LPBYTE& data_buf, FX_DWORD& data_size,
}
return TRUE;
}
-static void TIFF_PredictLine(FX_LPBYTE dest_buf, int row_size, int BitsPerComponent, int Colors, int Columns)
+static void TIFF_PredictLine(uint8_t* dest_buf, int row_size, int BitsPerComponent, int Colors, int Columns)
{
if (BitsPerComponent == 1) {
int row_bits = FX_MIN(BitsPerComponent * Colors * Columns, row_size * 8);
@@ -561,7 +561,7 @@ static void TIFF_PredictLine(FX_LPBYTE dest_buf, int row_size, int BitsPerCompon
}
}
}
-static FX_BOOL TIFF_Predictor(FX_LPBYTE& data_buf, FX_DWORD& data_size,
+static FX_BOOL TIFF_Predictor(uint8_t*& data_buf, FX_DWORD& data_size,
int Colors, int BitsPerComponent, int Columns)
{
int row_size = (Colors * BitsPerComponent * Columns + 7) / 8;
@@ -570,7 +570,7 @@ static FX_BOOL TIFF_Predictor(FX_LPBYTE& data_buf, FX_DWORD& data_size,
const int row_count = (data_size + row_size - 1) / row_size;
const int last_row_size = data_size % row_size;
for (int row = 0; row < row_count; row ++) {
- FX_LPBYTE scan_line = data_buf + row * row_size;
+ uint8_t* scan_line = data_buf + row * row_size;
if ((row + 1) * row_size > (int)data_size) {
row_size = last_row_size;
}
@@ -583,7 +583,7 @@ class CCodec_FlateScanlineDecoder : public CCodec_ScanlineDecoder
public:
CCodec_FlateScanlineDecoder();
~CCodec_FlateScanlineDecoder();
- void Create(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height, int nComps, int bpc,
+ void Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, int nComps, int bpc,
int predictor, int Colors, int BitsPerComponent, int Columns);
virtual void Destroy()
{
@@ -591,15 +591,15 @@ public:
}
virtual void v_DownScale(int dest_width, int dest_height) {}
virtual FX_BOOL v_Rewind();
- virtual FX_LPBYTE v_GetNextLine();
+ virtual uint8_t* v_GetNextLine();
virtual FX_DWORD GetSrcOffset();
void* m_pFlate;
- FX_LPCBYTE m_SrcBuf;
+ const uint8_t* m_SrcBuf;
FX_DWORD m_SrcSize;
- FX_LPBYTE m_pScanline;
- FX_LPBYTE m_pLastLine;
- FX_LPBYTE m_pPredictBuffer;
- FX_LPBYTE m_pPredictRaw;
+ uint8_t* m_pScanline;
+ uint8_t* m_pLastLine;
+ uint8_t* m_pPredictBuffer;
+ uint8_t* m_pPredictRaw;
int m_Predictor;
int m_Colors, m_BitsPerComponent, m_Columns, m_PredictPitch, m_LeftOver;
};
@@ -630,7 +630,7 @@ CCodec_FlateScanlineDecoder::~CCodec_FlateScanlineDecoder()
FPDFAPI_FlateEnd(m_pFlate);
}
}
-void CCodec_FlateScanlineDecoder::Create(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height,
+void CCodec_FlateScanlineDecoder::Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height,
int nComps, int bpc, int predictor, int Colors, int BitsPerComponent, int Columns)
{
m_SrcBuf = src_buf;
@@ -678,7 +678,7 @@ FX_BOOL CCodec_FlateScanlineDecoder::v_Rewind()
m_LeftOver = 0;
return TRUE;
}
-FX_LPBYTE CCodec_FlateScanlineDecoder::v_GetNextLine()
+uint8_t* CCodec_FlateScanlineDecoder::v_GetNextLine()
{
if (m_Predictor) {
if (m_Pitch == m_PredictPitch) {
@@ -722,8 +722,8 @@ FX_DWORD CCodec_FlateScanlineDecoder::GetSrcOffset()
{
return FPDFAPI_FlateGetTotalIn(m_pFlate);
}
-static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig_size,
- FX_LPBYTE& dest_buf, FX_DWORD& dest_size, FX_DWORD& offset)
+static void FlateUncompress(const uint8_t* src_buf, FX_DWORD src_size, FX_DWORD orig_size,
+ uint8_t*& dest_buf, FX_DWORD& dest_size, FX_DWORD& offset)
{
const FX_BOOL useOldImpl = src_size < 10240;
FX_DWORD guess_size = orig_size ? orig_size : src_size * 2;
@@ -737,8 +737,8 @@ 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(uint8_t, guess_size + 1);
- FX_LPBYTE cur_buf = guess_buf;
+ uint8_t* guess_buf = FX_Alloc(uint8_t, guess_size + 1);
+ uint8_t* cur_buf = guess_buf;
guess_buf[guess_size] = '\0';
context = FPDFAPI_FlateInit(my_alloc_func, my_free_func);
if (!context)
@@ -776,7 +776,7 @@ static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig
}
dest_buf = guess_buf;
} else {
- CFX_ArrayTemplate<FX_LPBYTE> result_tmp_bufs;
+ CFX_ArrayTemplate<uint8_t*> result_tmp_bufs;
while (1) {
int32_t ret = FPDFAPI_FlateOutput(context, cur_buf, buf_size);
int32_t avail_buf_size = FPDFAPI_FlateGetAvailOut(context);
@@ -801,10 +801,10 @@ 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(uint8_t, dest_size);
+ uint8_t* result_buf = FX_Alloc(uint8_t, dest_size);
FX_DWORD result_pos = 0;
for (int32_t i = 0; i < result_tmp_bufs.GetSize(); i++) {
- FX_LPBYTE tmp_buf = result_tmp_bufs[i];
+ uint8_t* tmp_buf = result_tmp_bufs[i];
FX_DWORD tmp_buf_size = buf_size;
if (i == result_tmp_bufs.GetSize() - 1) {
tmp_buf_size = last_buf_size;
@@ -825,7 +825,7 @@ fail:
dest_size = 0;
return;
}
-ICodec_ScanlineDecoder* CCodec_FlateModule::CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height,
+ICodec_ScanlineDecoder* CCodec_FlateModule::CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height,
int nComps, int bpc, int predictor, int Colors, int BitsPerComponent, int Columns)
{
CCodec_FlateScanlineDecoder* pDecoder = new CCodec_FlateScanlineDecoder;
@@ -834,7 +834,7 @@ ICodec_ScanlineDecoder* CCodec_FlateModule::CreateDecoder(FX_LPCBYTE src_buf, FX
}
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)
+ FX_DWORD estimated_size, uint8_t*& dest_buf, FX_DWORD& dest_size)
{
dest_buf = NULL;
FX_DWORD offset = 0;
@@ -881,12 +881,12 @@ FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW, const uint8_t* src_b
}
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)
+ uint8_t*& dest_buf, FX_DWORD& dest_size)
{
if (predictor != 2 && predictor < 10) {
return Encode(src_buf, src_size, dest_buf, dest_size);
}
- FX_LPBYTE pSrcBuf = NULL;
+ uint8_t* pSrcBuf = NULL;
pSrcBuf = FX_Alloc(uint8_t, src_size);
FXSYS_memcpy32(pSrcBuf, src_buf, src_size);
FX_BOOL ret = TRUE;
@@ -902,7 +902,7 @@ FX_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf, FX_DWORD src_size,
FX_Free(pSrcBuf);
return ret;
}
-FX_BOOL CCodec_FlateModule::Encode(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size)
+FX_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, FX_DWORD& dest_size)
{
dest_size = src_size + src_size / 1000 + 12;
dest_buf = FX_Alloc( uint8_t, dest_size);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 09:29:05 +0000