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path: root/core/src/fxcodec/codec/fx_codec_fax.cpp
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Diffstat (limited to 'core/src/fxcodec/codec/fx_codec_fax.cpp')
-rw-r--r--core/src/fxcodec/codec/fx_codec_fax.cpp187
1 files changed, 0 insertions, 187 deletions
diff --git a/core/src/fxcodec/codec/fx_codec_fax.cpp b/core/src/fxcodec/codec/fx_codec_fax.cpp
index b198e74784..686fc08b61 100644
--- a/core/src/fxcodec/codec/fx_codec_fax.cpp
+++ b/core/src/fxcodec/codec/fx_codec_fax.cpp
@@ -466,134 +466,6 @@ FX_BOOL FaxGet1DLine(const uint8_t* src_buf,
return TRUE;
}
-const uint8_t BlackRunTerminator[128] = {
- 0x37, 10, 0x02, 3, 0x03, 2, 0x02, 2, 0x03, 3, 0x03, 4, 0x02, 4,
- 0x03, 5, 0x05, 6, 0x04, 6, 0x04, 7, 0x05, 7, 0x07, 7, 0x04, 8,
- 0x07, 8, 0x18, 9, 0x17, 10, 0x18, 10, 0x08, 10, 0x67, 11, 0x68, 11,
- 0x6c, 11, 0x37, 11, 0x28, 11, 0x17, 11, 0x18, 11, 0xca, 12, 0xcb, 12,
- 0xcc, 12, 0xcd, 12, 0x68, 12, 0x69, 12, 0x6a, 12, 0x6b, 12, 0xd2, 12,
- 0xd3, 12, 0xd4, 12, 0xd5, 12, 0xd6, 12, 0xd7, 12, 0x6c, 12, 0x6d, 12,
- 0xda, 12, 0xdb, 12, 0x54, 12, 0x55, 12, 0x56, 12, 0x57, 12, 0x64, 12,
- 0x65, 12, 0x52, 12, 0x53, 12, 0x24, 12, 0x37, 12, 0x38, 12, 0x27, 12,
- 0x28, 12, 0x58, 12, 0x59, 12, 0x2b, 12, 0x2c, 12, 0x5a, 12, 0x66, 12,
- 0x67, 12,
-};
-
-const uint8_t BlackRunMarkup[80] = {
- 0x0f, 10, 0xc8, 12, 0xc9, 12, 0x5b, 12, 0x33, 12, 0x34, 12, 0x35, 12,
- 0x6c, 13, 0x6d, 13, 0x4a, 13, 0x4b, 13, 0x4c, 13, 0x4d, 13, 0x72, 13,
- 0x73, 13, 0x74, 13, 0x75, 13, 0x76, 13, 0x77, 13, 0x52, 13, 0x53, 13,
- 0x54, 13, 0x55, 13, 0x5a, 13, 0x5b, 13, 0x64, 13, 0x65, 13, 0x08, 11,
- 0x0c, 11, 0x0d, 11, 0x12, 12, 0x13, 12, 0x14, 12, 0x15, 12, 0x16, 12,
- 0x17, 12, 0x1c, 12, 0x1d, 12, 0x1e, 12, 0x1f, 12,
-};
-
-const uint8_t WhiteRunTerminator[128] = {
- 0x35, 8, 0x07, 6, 0x07, 4, 0x08, 4, 0x0B, 4, 0x0C, 4, 0x0E, 4, 0x0F, 4,
- 0x13, 5, 0x14, 5, 0x07, 5, 0x08, 5, 0x08, 6, 0x03, 6, 0x34, 6, 0x35, 6,
- 0x2a, 6, 0x2B, 6, 0x27, 7, 0x0c, 7, 0x08, 7, 0x17, 7, 0x03, 7, 0x04, 7,
- 0x28, 7, 0x2B, 7, 0x13, 7, 0x24, 7, 0x18, 7, 0x02, 8, 0x03, 8, 0x1a, 8,
- 0x1b, 8, 0x12, 8, 0x13, 8, 0x14, 8, 0x15, 8, 0x16, 8, 0x17, 8, 0x28, 8,
- 0x29, 8, 0x2a, 8, 0x2b, 8, 0x2c, 8, 0x2d, 8, 0x04, 8, 0x05, 8, 0x0a, 8,
- 0x0b, 8, 0x52, 8, 0x53, 8, 0x54, 8, 0x55, 8, 0x24, 8, 0x25, 8, 0x58, 8,
- 0x59, 8, 0x5a, 8, 0x5b, 8, 0x4a, 8, 0x4b, 8, 0x32, 8, 0x33, 8, 0x34, 8,
-};
-
-const uint8_t WhiteRunMarkup[80] = {
- 0x1b, 5, 0x12, 5, 0x17, 6, 0x37, 7, 0x36, 8, 0x37, 8, 0x64, 8,
- 0x65, 8, 0x68, 8, 0x67, 8, 0xcc, 9, 0xcd, 9, 0xd2, 9, 0xd3, 9,
- 0xd4, 9, 0xd5, 9, 0xd6, 9, 0xd7, 9, 0xd8, 9, 0xd9, 9, 0xda, 9,
- 0xdb, 9, 0x98, 9, 0x99, 9, 0x9a, 9, 0x18, 6, 0x9b, 9, 0x08, 11,
- 0x0c, 11, 0x0d, 11, 0x12, 12, 0x13, 12, 0x14, 12, 0x15, 12, 0x16, 12,
- 0x17, 12, 0x1c, 12, 0x1d, 12, 0x1e, 12, 0x1f, 12,
-};
-
-void AddBitStream(uint8_t* dest_buf, int& dest_bitpos, int data, int bitlen) {
- for (int i = bitlen - 1; i >= 0; i--) {
- if (data & (1 << i)) {
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- }
- dest_bitpos++;
- }
-}
-
-void FaxEncodeRun(uint8_t* dest_buf, int& dest_bitpos, int run, bool bWhite) {
- while (run >= 2560) {
- AddBitStream(dest_buf, dest_bitpos, 0x1f, 12);
- run -= 2560;
- }
- if (run >= 64) {
- int markup = run - run % 64;
- const uint8_t* p = bWhite ? WhiteRunMarkup : BlackRunMarkup;
- p += (markup / 64 - 1) * 2;
- AddBitStream(dest_buf, dest_bitpos, *p, p[1]);
- }
- run %= 64;
- const uint8_t* p = bWhite ? WhiteRunTerminator : BlackRunTerminator;
- p += run * 2;
- AddBitStream(dest_buf, dest_bitpos, *p, p[1]);
-}
-
-void FaxEncode2DLine(uint8_t* dest_buf,
- int& dest_bitpos,
- const uint8_t* src_buf,
- const uint8_t* ref_buf,
- int cols) {
- int a0 = -1;
- bool a0color = true;
- while (1) {
- int a1 = FindBit(src_buf, cols, a0 + 1, !a0color);
- int b1, b2;
- FaxG4FindB1B2(ref_buf, cols, a0, a0color, b1, b2);
- if (b2 < a1) {
- dest_bitpos += 3;
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- dest_bitpos++;
- a0 = b2;
- } else if (a1 - b1 <= 3 && b1 - a1 <= 3) {
- int delta = a1 - b1;
- switch (delta) {
- case 0:
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- break;
- case 1:
- case 2:
- case 3:
- dest_bitpos += delta == 1 ? 1 : delta + 2;
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- dest_bitpos++;
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- break;
- case -1:
- case -2:
- case -3:
- dest_bitpos += delta == -1 ? 1 : -delta + 2;
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- dest_bitpos++;
- break;
- }
- dest_bitpos++;
- a0 = a1;
- a0color = !a0color;
- } else {
- int a2 = FindBit(src_buf, cols, a1 + 1, a0color);
- dest_bitpos++;
- dest_bitpos++;
- dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8);
- dest_bitpos++;
- if (a0 < 0) {
- a0 = 0;
- }
- FaxEncodeRun(dest_buf, dest_bitpos, a1 - a0, a0color);
- FaxEncodeRun(dest_buf, dest_bitpos, a2 - a1, !a0color);
- a0 = a2;
- }
- if (a0 >= cols) {
- return;
- }
- }
-}
-
} // namespace
class CCodec_FaxDecoder : public CCodec_ScanlineDecoder {
@@ -754,65 +626,6 @@ void FaxG4Decode(const uint8_t* src_buf,
*pbitpos = bitpos;
}
-class CCodec_FaxEncoder {
- public:
- CCodec_FaxEncoder(const uint8_t* src_buf, int width, int height, int pitch);
- ~CCodec_FaxEncoder();
- void Encode(uint8_t*& dest_buf, FX_DWORD& dest_size);
- void Encode2DLine(const uint8_t* scan_line);
- CFX_BinaryBuf m_DestBuf;
- uint8_t* m_pRefLine;
- uint8_t* m_pLineBuf;
- int m_Cols, m_Rows, m_Pitch;
- const uint8_t* m_pSrcBuf;
-};
-CCodec_FaxEncoder::CCodec_FaxEncoder(const uint8_t* src_buf,
- int width,
- int height,
- int pitch) {
- m_pSrcBuf = src_buf;
- m_Cols = width;
- m_Rows = height;
- m_Pitch = pitch;
- m_pRefLine = FX_Alloc(uint8_t, m_Pitch);
- FXSYS_memset(m_pRefLine, 0xff, m_Pitch);
- m_pLineBuf = FX_Alloc2D(uint8_t, m_Pitch, 8);
- m_DestBuf.EstimateSize(0, 10240);
-}
-CCodec_FaxEncoder::~CCodec_FaxEncoder() {
- FX_Free(m_pRefLine);
- FX_Free(m_pLineBuf);
-}
-void CCodec_FaxEncoder::Encode(uint8_t*& dest_buf, FX_DWORD& dest_size) {
- int dest_bitpos = 0;
- uint8_t last_byte = 0;
- for (int i = 0; i < m_Rows; i++) {
- const uint8_t* scan_line = m_pSrcBuf + i * m_Pitch;
- FXSYS_memset(m_pLineBuf, 0, m_Pitch * 8);
- m_pLineBuf[0] = last_byte;
- FaxEncode2DLine(m_pLineBuf, dest_bitpos, scan_line, m_pRefLine, m_Cols);
- m_DestBuf.AppendBlock(m_pLineBuf, dest_bitpos / 8);
- last_byte = m_pLineBuf[dest_bitpos / 8];
- dest_bitpos %= 8;
- FXSYS_memcpy(m_pRefLine, scan_line, m_Pitch);
- }
- if (dest_bitpos) {
- m_DestBuf.AppendByte(last_byte);
- }
- dest_buf = m_DestBuf.GetBuffer();
- dest_size = m_DestBuf.GetSize();
- m_DestBuf.DetachBuffer();
-}
-FX_BOOL CCodec_FaxModule::Encode(const uint8_t* src_buf,
- int width,
- int height,
- int pitch,
- uint8_t*& dest_buf,
- FX_DWORD& dest_size) {
- CCodec_FaxEncoder encoder(src_buf, width, height, pitch);
- encoder.Encode(dest_buf, dest_size);
- return TRUE;
-}
ICodec_ScanlineDecoder* CCodec_FaxModule::CreateDecoder(
const uint8_t* src_buf,
FX_DWORD src_size,
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 20:54:33 +0000