Move core/src/ up to core/.

core/src/fxcodec/codec/fx_codec_jpx_opj.cpp

Index: core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
diff --git a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
deleted file mode 100644
index 4ace3ad2207c7b3b061acf6c7f3109b014a06e04..0000000000000000000000000000000000000000
--- a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
+++ /dev/null
@@ -1,888 +0,0 @@
-// Copyright 2014 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 <algorithm>
-#include <limits>
-#include <vector>
-
-#include "core/include/fpdfapi/fpdf_resource.h"
-#include "core/include/fxcodec/fx_codec.h"
-#include "core/include/fxcrt/fx_safe_types.h"
-#include "core/src/fxcodec/codec/codec_int.h"
-#include "third_party/lcms2-2.6/include/lcms2.h"
-#include "third_party/libopenjpeg20/openjpeg.h"
-
-static void fx_error_callback(const char* msg, void* client_data) {
-  (void)client_data;
-}
-static void fx_warning_callback(const char* msg, void* client_data) {
-  (void)client_data;
-}
-static void fx_info_callback(const char* msg, void* client_data) {
-  (void)client_data;
-}
-OPJ_SIZE_T opj_read_from_memory(void* p_buffer,
-                                OPJ_SIZE_T nb_bytes,
-                                void* p_user_data) {
-  DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
-  if (!srcData || !srcData->src_data || srcData->src_size == 0) {
-    return -1;
-  }
-  // Reads at EOF return an error code.
-  if (srcData->offset >= srcData->src_size) {
-    return -1;
-  }
-  OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset;
-  OPJ_SIZE_T readlength = nb_bytes < bufferLength ? nb_bytes : bufferLength;
-  memcpy(p_buffer, &srcData->src_data[srcData->offset], readlength);
-  srcData->offset += readlength;
-  return readlength;
-}
-OPJ_SIZE_T opj_write_from_memory(void* p_buffer,
-                                 OPJ_SIZE_T nb_bytes,
-                                 void* p_user_data) {
-  DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
-  if (!srcData || !srcData->src_data || srcData->src_size == 0) {
-    return -1;
-  }
-  // Writes at EOF return an error code.
-  if (srcData->offset >= srcData->src_size) {
-    return -1;
-  }
-  OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset;
-  OPJ_SIZE_T writeLength = nb_bytes < bufferLength ? nb_bytes : bufferLength;
-  memcpy(&srcData->src_data[srcData->offset], p_buffer, writeLength);
-  srcData->offset += writeLength;
-  return writeLength;
-}
-OPJ_OFF_T opj_skip_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data) {
-  DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
-  if (!srcData || !srcData->src_data || srcData->src_size == 0) {
-    return -1;
-  }
-  // Offsets are signed and may indicate a negative skip. Do not support this
-  // because of the strange return convention where either bytes skipped or
-  // -1 is returned. Following that convention, a successful relative seek of
-  // -1 bytes would be required to to give the same result as the error case.
-  if (nb_bytes < 0) {
-    return -1;
-  }
-  // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd.
-  uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes);
-  // Additionally, the offset may take us beyond the range of a size_t (e.g.
-  // 32-bit platforms). If so, just clamp at EOF.
-  if (unsignedNbBytes >
-      std::numeric_limits<OPJ_SIZE_T>::max() - srcData->offset) {
-    srcData->offset = srcData->src_size;
-  } else {
-    OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(unsignedNbBytes);
-    // Otherwise, mimic fseek() semantics to always succeed, even past EOF,
-    // clamping at EOF.  We can get away with this since we don't actually
-    // provide negative relative skips from beyond EOF back to inside the
-    // data, which would be the only reason to need to know exactly how far
-    // beyond EOF we are.
-    srcData->offset =
-        std::min(srcData->offset + checkedNbBytes, srcData->src_size);
-  }
-  return nb_bytes;
-}
-OPJ_BOOL opj_seek_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data) {
-  DecodeData* srcData = static_cast<DecodeData*>(p_user_data);
-  if (!srcData || !srcData->src_data || srcData->src_size == 0) {
-    return OPJ_FALSE;
-  }
-  // Offsets are signed and may indicate a negative position, which would
-  // be before the start of the file. Do not support this.
-  if (nb_bytes < 0) {
-    return OPJ_FALSE;
-  }
-  // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd.
-  uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes);
-  // Additionally, the offset may take us beyond the range of a size_t (e.g.
-  // 32-bit platforms). If so, just clamp at EOF.
-  if (unsignedNbBytes > std::numeric_limits<OPJ_SIZE_T>::max()) {
-    srcData->offset = srcData->src_size;
-  } else {
-    OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(nb_bytes);
-    // Otherwise, mimic fseek() semantics to always succeed, even past EOF,
-    // again clamping at EOF.
-    srcData->offset = std::min(checkedNbBytes, srcData->src_size);
-  }
-  return OPJ_TRUE;
-}
-opj_stream_t* fx_opj_stream_create_memory_stream(DecodeData* data,
-                                                 OPJ_SIZE_T p_size,
-                                                 OPJ_BOOL p_is_read_stream) {
-  opj_stream_t* l_stream = 00;
-  if (!data || !data->src_data || data->src_size <= 0) {
-    return NULL;
-  }
-  l_stream = opj_stream_create(p_size, p_is_read_stream);
-  if (!l_stream) {
-    return NULL;
-  }
-  opj_stream_set_user_data(l_stream, data, NULL);
-  opj_stream_set_user_data_length(l_stream, data->src_size);
-  opj_stream_set_read_function(l_stream, opj_read_from_memory);
-  opj_stream_set_write_function(l_stream, opj_write_from_memory);
-  opj_stream_set_skip_function(l_stream, opj_skip_from_memory);
-  opj_stream_set_seek_function(l_stream, opj_seek_from_memory);
-  return l_stream;
-}
-static void sycc_to_rgb(int offset,
-                        int upb,
-                        int y,
-                        int cb,
-                        int cr,
-                        int* out_r,
-                        int* out_g,
-                        int* out_b) {
-  int r, g, b;
-  cb -= offset;
-  cr -= offset;
-  r = y + (int)(1.402 * (float)cr);
-  if (r < 0) {
-    r = 0;
-  } else if (r > upb) {
-    r = upb;
-  }
-  *out_r = r;
-  g = y - (int)(0.344 * (float)cb + 0.714 * (float)cr);
-  if (g < 0) {
-    g = 0;
-  } else if (g > upb) {
-    g = upb;
-  }
-  *out_g = g;
-  b = y + (int)(1.772 * (float)cb);
-  if (b < 0) {
-    b = 0;
-  } else if (b > upb) {
-    b = upb;
-  }
-  *out_b = b;
-}
-static void sycc444_to_rgb(opj_image_t* img) {
-  int prec = img->comps[0].prec;
-  int offset = 1 << (prec - 1);
-  int upb = (1 << prec) - 1;
-  OPJ_UINT32 maxw =
-      std::min(std::min(img->comps[0].w, img->comps[1].w), img->comps[2].w);
-  OPJ_UINT32 maxh =
-      std::min(std::min(img->comps[0].h, img->comps[1].h), img->comps[2].h);
-  FX_SAFE_SIZE_T max_size = maxw;
-  max_size *= maxh;
-  if (!max_size.IsValid())
-    return;
-
-  const int* y = img->comps[0].data;
-  const int* cb = img->comps[1].data;
-  const int* cr = img->comps[2].data;
-  int *d0, *d1, *d2, *r, *g, *b;
-  d0 = r = FX_Alloc(int, max_size.ValueOrDie());
-  d1 = g = FX_Alloc(int, max_size.ValueOrDie());
-  d2 = b = FX_Alloc(int, max_size.ValueOrDie());
-  for (size_t i = 0; i < max_size.ValueOrDie(); ++i) {
-    sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-    ++y;
-    ++cb;
-    ++cr;
-    ++r;
-    ++g;
-    ++b;
-  }
-  FX_Free(img->comps[0].data);
-  img->comps[0].data = d0;
-  FX_Free(img->comps[1].data);
-  img->comps[1].data = d1;
-  FX_Free(img->comps[2].data);
-  img->comps[2].data = d2;
-}
-static void sycc422_to_rgb(opj_image_t* img) {
-  int prec = img->comps[0].prec;
-  int offset = 1 << (prec - 1);
-  int upb = (1 << prec) - 1;
-  OPJ_UINT32 maxw =
-      std::min(std::min(img->comps[0].w, img->comps[1].w), img->comps[2].w);
-  OPJ_UINT32 maxh =
-      std::min(std::min(img->comps[0].h, img->comps[1].h), img->comps[2].h);
-  FX_SAFE_SIZE_T max_size = maxw;
-  max_size *= maxh;
-  if (!max_size.IsValid())
-    return;
-
-  const int* y = img->comps[0].data;
-  const int* cb = img->comps[1].data;
-  const int* cr = img->comps[2].data;
-  int *d0, *d1, *d2, *r, *g, *b;
-  d0 = r = FX_Alloc(int, max_size.ValueOrDie());
-  d1 = g = FX_Alloc(int, max_size.ValueOrDie());
-  d2 = b = FX_Alloc(int, max_size.ValueOrDie());
-  for (uint32_t i = 0; i < maxh; ++i) {
-    OPJ_UINT32 j;
-    for (j = 0; j < (maxw & ~static_cast<OPJ_UINT32>(1)); j += 2) {
-      sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-      ++y;
-      ++r;
-      ++g;
-      ++b;
-      sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-      ++y;
-      ++r;
-      ++g;
-      ++b;
-      ++cb;
-      ++cr;
-    }
-    if (j < maxw) {
-      sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-      ++y;
-      ++r;
-      ++g;
-      ++b;
-      ++cb;
-      ++cr;
-    }
-  }
-  FX_Free(img->comps[0].data);
-  img->comps[0].data = d0;
-  FX_Free(img->comps[1].data);
-  img->comps[1].data = d1;
-  FX_Free(img->comps[2].data);
-  img->comps[2].data = d2;
-  img->comps[1].w = maxw;
-  img->comps[1].h = maxh;
-  img->comps[2].w = maxw;
-  img->comps[2].h = maxh;
-  img->comps[1].dx = img->comps[0].dx;
-  img->comps[2].dx = img->comps[0].dx;
-  img->comps[1].dy = img->comps[0].dy;
-  img->comps[2].dy = img->comps[0].dy;
-}
-static bool sycc420_size_is_valid(OPJ_UINT32 y, OPJ_UINT32 cbcr) {
-  if (!y || !cbcr)
-    return false;
-
-  return (cbcr == y / 2) || ((y & 1) && (cbcr == y / 2 + 1));
-}
-static bool sycc420_must_extend_cbcr(OPJ_UINT32 y, OPJ_UINT32 cbcr) {
-  return (y & 1) && (cbcr == y / 2);
-}
-void sycc420_to_rgb(opj_image_t* img) {
-  OPJ_UINT32 prec = img->comps[0].prec;
-  if (!prec)
-    return;
-  OPJ_UINT32 offset = 1 << (prec - 1);
-  OPJ_UINT32 upb = (1 << prec) - 1;
-  OPJ_UINT32 yw = img->comps[0].w;
-  OPJ_UINT32 yh = img->comps[0].h;
-  OPJ_UINT32 cbw = img->comps[1].w;
-  OPJ_UINT32 cbh = img->comps[1].h;
-  OPJ_UINT32 crw = img->comps[2].w;
-  OPJ_UINT32 crh = img->comps[2].h;
-  if (cbw != crw || cbh != crh)
-    return;
-  if (!sycc420_size_is_valid(yw, cbw) || !sycc420_size_is_valid(yh, cbh))
-    return;
-  bool extw = sycc420_must_extend_cbcr(yw, cbw);
-  bool exth = sycc420_must_extend_cbcr(yh, cbh);
-  FX_SAFE_DWORD safeSize = yw;
-  safeSize *= yh;
-  if (!safeSize.IsValid())
-    return;
-  int* r = FX_Alloc(int, safeSize.ValueOrDie());
-  int* g = FX_Alloc(int, safeSize.ValueOrDie());
-  int* b = FX_Alloc(int, safeSize.ValueOrDie());
-  int* d0 = r;
-  int* d1 = g;
-  int* d2 = b;
-  const int* y = img->comps[0].data;
-  const int* cb = img->comps[1].data;
-  const int* cr = img->comps[2].data;
-  const int* ny = nullptr;
-  int* nr = nullptr;
-  int* ng = nullptr;
-  int* nb = nullptr;
-  OPJ_UINT32 i = 0;
-  OPJ_UINT32 j = 0;
-  for (i = 0; i < (yh & ~(OPJ_UINT32)1); i += 2) {
-    ny = y + yw;
-    nr = r + yw;
-    ng = g + yw;
-    nb = b + yw;
-    for (j = 0; j < (yw & ~(OPJ_UINT32)1); j += 2) {
-      sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-      ++y;
-      ++r;
-      ++g;
-      ++b;
-      sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-      ++y;
-      ++r;
-      ++g;
-      ++b;
-      sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
-      ++ny;
-      ++nr;
-      ++ng;
-      ++nb;
-      sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
-      ++ny;
-      ++nr;
-      ++ng;
-      ++nb;
-      ++cb;
-      ++cr;
-    }
-    if (j < yw) {
-      if (extw) {
-        --cb;
-        --cr;
-      }
-      sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-      ++y;
-      ++r;
-      ++g;
-      ++b;
-      sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
-      ++ny;
-      ++nr;
-      ++ng;
-      ++nb;
-      ++cb;
-      ++cr;
-    }
-    y += yw;
-    r += yw;
-    g += yw;
-    b += yw;
-  }
-  if (i < yh) {
-    if (exth) {
-      cb -= cbw;
-      cr -= crw;
-    }
-    for (j = 0; j < (yw & ~(OPJ_UINT32)1); j += 2) {
-      sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-      ++y;
-      ++r;
-      ++g;
-      ++b;
-      sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-      ++y;
-      ++r;
-      ++g;
-      ++b;
-      ++cb;
-      ++cr;
-    }
-    if (j < yw) {
-      if (extw) {
-        --cb;
-        --cr;
-      }
-      sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-    }
-  }
-
-  FX_Free(img->comps[0].data);
-  img->comps[0].data = d0;
-  FX_Free(img->comps[1].data);
-  img->comps[1].data = d1;
-  FX_Free(img->comps[2].data);
-  img->comps[2].data = d2;
-  img->comps[1].w = yw;
-  img->comps[1].h = yh;
-  img->comps[2].w = yw;
-  img->comps[2].h = yh;
-  img->comps[1].w = yw;
-  img->comps[1].h = yh;
-  img->comps[2].w = yw;
-  img->comps[2].h = yh;
-  img->comps[1].dx = img->comps[0].dx;
-  img->comps[2].dx = img->comps[0].dx;
-  img->comps[1].dy = img->comps[0].dy;
-  img->comps[2].dy = img->comps[0].dy;
-}
-void color_sycc_to_rgb(opj_image_t* img) {
-  if (img->numcomps < 3) {
-    img->color_space = OPJ_CLRSPC_GRAY;
-    return;
-  }
-  if ((img->comps[0].dx == 1) && (img->comps[1].dx == 2) &&
-      (img->comps[2].dx == 2) && (img->comps[0].dy == 1) &&
-      (img->comps[1].dy == 2) && (img->comps[2].dy == 2)) {
-    sycc420_to_rgb(img);
-  } else if ((img->comps[0].dx == 1) && (img->comps[1].dx == 2) &&
-             (img->comps[2].dx == 2) && (img->comps[0].dy == 1) &&
-             (img->comps[1].dy == 1) && (img->comps[2].dy == 1)) {
-    sycc422_to_rgb(img);
-  } else if ((img->comps[0].dx == 1) && (img->comps[1].dx == 1) &&
-             (img->comps[2].dx == 1) && (img->comps[0].dy == 1) &&
-             (img->comps[1].dy == 1) && (img->comps[2].dy == 1)) {
-    sycc444_to_rgb(img);
-  } else {
-    return;
-  }
-  img->color_space = OPJ_CLRSPC_SRGB;
-}
-void color_apply_icc_profile(opj_image_t* image) {
-  cmsHPROFILE out_prof;
-  cmsUInt32Number in_type;
-  cmsUInt32Number out_type;
-  int* r;
-  int* g;
-  int* b;
-  int max;
-  cmsHPROFILE in_prof =
-      cmsOpenProfileFromMem(image->icc_profile_buf, image->icc_profile_len);
-  if (!in_prof) {
-    return;
-  }
-  cmsColorSpaceSignature out_space = cmsGetColorSpace(in_prof);
-  cmsUInt32Number intent = cmsGetHeaderRenderingIntent(in_prof);
-  int max_w = (int)image->comps[0].w;
-  int max_h = (int)image->comps[0].h;
-  int prec = (int)image->comps[0].prec;
-  OPJ_COLOR_SPACE oldspace = image->color_space;
-  if (out_space == cmsSigRgbData) {
-    if (prec <= 8) {
-      in_type = TYPE_RGB_8;
-      out_type = TYPE_RGB_8;
-    } else {
-      in_type = TYPE_RGB_16;
-      out_type = TYPE_RGB_16;
-    }
-    out_prof = cmsCreate_sRGBProfile();
-    image->color_space = OPJ_CLRSPC_SRGB;
-  } else if (out_space == cmsSigGrayData) {
-    if (prec <= 8) {
-      in_type = TYPE_GRAY_8;
-      out_type = TYPE_RGB_8;
-    } else {
-      in_type = TYPE_GRAY_16;
-      out_type = TYPE_RGB_16;
-    }
-    out_prof = cmsCreate_sRGBProfile();
-    image->color_space = OPJ_CLRSPC_SRGB;
-  } else if (out_space == cmsSigYCbCrData) {
-    in_type = TYPE_YCbCr_16;
-    out_type = TYPE_RGB_16;
-    out_prof = cmsCreate_sRGBProfile();
-    image->color_space = OPJ_CLRSPC_SRGB;
-  } else {
-    return;
-  }
-  cmsHTRANSFORM transform =
-      cmsCreateTransform(in_prof, in_type, out_prof, out_type, intent, 0);
-  cmsCloseProfile(in_prof);
-  cmsCloseProfile(out_prof);
-  if (!transform) {
-    image->color_space = oldspace;
-    return;
-  }
-  if (image->numcomps > 2) {
-    if (prec <= 8) {
-      unsigned char *inbuf, *outbuf, *in, *out;
-      max = max_w * max_h;
-      cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned char);
-      in = inbuf = FX_Alloc(unsigned char, nr_samples);
-      out = outbuf = FX_Alloc(unsigned char, nr_samples);
-      r = image->comps[0].data;
-      g = image->comps[1].data;
-      b = image->comps[2].data;
-      for (int i = 0; i < max; ++i) {
-        *in++ = (unsigned char)*r++;
-        *in++ = (unsigned char)*g++;
-        *in++ = (unsigned char)*b++;
-      }
-      cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
-      r = image->comps[0].data;
-      g = image->comps[1].data;
-      b = image->comps[2].data;
-      for (int i = 0; i < max; ++i) {
-        *r++ = (int)*out++;
-        *g++ = (int)*out++;
-        *b++ = (int)*out++;
-      }
-      FX_Free(inbuf);
-      FX_Free(outbuf);
-    } else {
-      unsigned short *inbuf, *outbuf, *in, *out;
-      max = max_w * max_h;
-      cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned short);
-      in = inbuf = FX_Alloc(unsigned short, nr_samples);
-      out = outbuf = FX_Alloc(unsigned short, nr_samples);
-      r = image->comps[0].data;
-      g = image->comps[1].data;
-      b = image->comps[2].data;
-      for (int i = 0; i < max; ++i) {
-        *in++ = (unsigned short)*r++;
-        *in++ = (unsigned short)*g++;
-        *in++ = (unsigned short)*b++;
-      }
-      cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
-      r = image->comps[0].data;
-      g = image->comps[1].data;
-      b = image->comps[2].data;
-      for (int i = 0; i < max; ++i) {
-        *r++ = (int)*out++;
-        *g++ = (int)*out++;
-        *b++ = (int)*out++;
-      }
-      FX_Free(inbuf);
-      FX_Free(outbuf);
-    }
-  } else {
-    unsigned char *in, *inbuf, *out, *outbuf;
-    max = max_w * max_h;
-    cmsUInt32Number nr_samples =
-        (cmsUInt32Number)max * 3 * sizeof(unsigned char);
-    in = inbuf = FX_Alloc(unsigned char, nr_samples);
-    out = outbuf = FX_Alloc(unsigned char, nr_samples);
-    image->comps = (opj_image_comp_t*)realloc(
-        image->comps, (image->numcomps + 2) * sizeof(opj_image_comp_t));
-    if (image->numcomps == 2) {
-      image->comps[3] = image->comps[1];
-    }
-    image->comps[1] = image->comps[0];
-    image->comps[2] = image->comps[0];
-    image->comps[1].data = FX_Alloc(int, (size_t)max);
-    FXSYS_memset(image->comps[1].data, 0, sizeof(int) * (size_t)max);
-    image->comps[2].data = FX_Alloc(int, (size_t)max);
-    FXSYS_memset(image->comps[2].data, 0, sizeof(int) * (size_t)max);
-    image->numcomps += 2;
-    r = image->comps[0].data;
-    for (int i = 0; i < max; ++i) {
-      *in++ = (unsigned char)*r++;
-    }
-    cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
-    r = image->comps[0].data;
-    g = image->comps[1].data;
-    b = image->comps[2].data;
-    for (int i = 0; i < max; ++i) {
-      *r++ = (int)*out++;
-      *g++ = (int)*out++;
-      *b++ = (int)*out++;
-    }
-    FX_Free(inbuf);
-    FX_Free(outbuf);
-  }
-  cmsDeleteTransform(transform);
-}
-void color_apply_conversion(opj_image_t* image) {
-  int* row;
-  int enumcs, numcomps;
-  numcomps = image->numcomps;
-  if (numcomps < 3) {
-    return;
-  }
-  row = (int*)image->icc_profile_buf;
-  enumcs = row[0];
-  if (enumcs == 14) {
-    int *L, *a, *b, *red, *green, *blue, *src0, *src1, *src2;
-    double rl, ol, ra, oa, rb, ob, prec0, prec1, prec2;
-    double minL, maxL, mina, maxa, minb, maxb;
-    unsigned int default_type;
-    unsigned int i, max;
-    cmsHPROFILE in, out;
-    cmsHTRANSFORM transform;
-    cmsUInt16Number RGB[3];
-    cmsCIELab Lab;
-    in = cmsCreateLab4Profile(NULL);
-    out = cmsCreate_sRGBProfile();
-    transform = cmsCreateTransform(in, TYPE_Lab_DBL, out, TYPE_RGB_16,
-                                   INTENT_PERCEPTUAL, 0);
-    cmsCloseProfile(in);
-    cmsCloseProfile(out);
-    if (!transform) {
-      return;
-    }
-    prec0 = (double)image->comps[0].prec;
-    prec1 = (double)image->comps[1].prec;
-    prec2 = (double)image->comps[2].prec;
-    default_type = row[1];
-    if (default_type == 0x44454600) {
-      rl = 100;
-      ra = 170;
-      rb = 200;
-      ol = 0;
-      oa = pow(2, prec1 - 1);
-      ob = pow(2, prec2 - 2) + pow(2, prec2 - 3);
-    } else {
-      rl = row[2];
-      ra = row[4];
-      rb = row[6];
-      ol = row[3];
-      oa = row[5];
-      ob = row[7];
-    }
-    L = src0 = image->comps[0].data;
-    a = src1 = image->comps[1].data;
-    b = src2 = image->comps[2].data;
-    max = image->comps[0].w * image->comps[0].h;
-    red = FX_Alloc(int, max);
-    image->comps[0].data = red;
-    green = FX_Alloc(int, max);
-    image->comps[1].data = green;
-    blue = FX_Alloc(int, max);
-    image->comps[2].data = blue;
-    minL = -(rl * ol) / (pow(2, prec0) - 1);
-    maxL = minL + rl;
-    mina = -(ra * oa) / (pow(2, prec1) - 1);
-    maxa = mina + ra;
-    minb = -(rb * ob) / (pow(2, prec2) - 1);
-    maxb = minb + rb;
-    for (i = 0; i < max; ++i) {
-      Lab.L = minL + (double)(*L) * (maxL - minL) / (pow(2, prec0) - 1);
-      ++L;
-      Lab.a = mina + (double)(*a) * (maxa - mina) / (pow(2, prec1) - 1);
-      ++a;
-      Lab.b = minb + (double)(*b) * (maxb - minb) / (pow(2, prec2) - 1);
-      ++b;
-      cmsDoTransform(transform, &Lab, RGB, 1);
-      *red++ = RGB[0];
-      *green++ = RGB[1];
-      *blue++ = RGB[2];
-    }
-    cmsDeleteTransform(transform);
-    FX_Free(src0);
-    FX_Free(src1);
-    FX_Free(src2);
-    image->color_space = OPJ_CLRSPC_SRGB;
-    image->comps[0].prec = 16;
-    image->comps[1].prec = 16;
-    image->comps[2].prec = 16;
-    return;
-  }
-}
-class CJPX_Decoder {
- public:
-  explicit CJPX_Decoder(CPDF_ColorSpace* cs);
-  ~CJPX_Decoder();
-  FX_BOOL Init(const unsigned char* src_data, FX_DWORD src_size);
-  void GetInfo(FX_DWORD* width, FX_DWORD* height, FX_DWORD* components);
-  bool Decode(uint8_t* dest_buf,
-              int pitch,
-              const std::vector<uint8_t>& offsets);
-
- private:
-  const uint8_t* m_SrcData;
-  FX_DWORD m_SrcSize;
-  opj_image_t* image;
-  opj_codec_t* l_codec;
-  opj_stream_t* l_stream;
-  const CPDF_ColorSpace* const m_ColorSpace;
-};
-
-CJPX_Decoder::CJPX_Decoder(CPDF_ColorSpace* cs)
-    : image(nullptr), l_codec(nullptr), l_stream(nullptr), m_ColorSpace(cs) {}
-
-CJPX_Decoder::~CJPX_Decoder() {
-  if (l_codec) {
-    opj_destroy_codec(l_codec);
-  }
-  if (l_stream) {
-    opj_stream_destroy(l_stream);
-  }
-  if (image) {
-    opj_image_destroy(image);
-  }
-}
-
-FX_BOOL CJPX_Decoder::Init(const unsigned char* src_data, FX_DWORD src_size) {
-  static const unsigned char szJP2Header[] = {
-      0x00, 0x00, 0x00, 0x0c, 0x6a, 0x50, 0x20, 0x20, 0x0d, 0x0a, 0x87, 0x0a};
-  if (!src_data || src_size < sizeof(szJP2Header))
-    return FALSE;
-
-  image = NULL;
-  m_SrcData = src_data;
-  m_SrcSize = src_size;
-  DecodeData srcData(const_cast<unsigned char*>(src_data), src_size);
-  l_stream = fx_opj_stream_create_memory_stream(&srcData,
-                                                OPJ_J2K_STREAM_CHUNK_SIZE, 1);
-  if (!l_stream) {
-    return FALSE;
-  }
-  opj_dparameters_t parameters;
-  opj_set_default_decoder_parameters(&parameters);
-  parameters.decod_format = 0;
-  parameters.cod_format = 3;
-  if (FXSYS_memcmp(m_SrcData, szJP2Header, sizeof(szJP2Header)) == 0) {
-    l_codec = opj_create_decompress(OPJ_CODEC_JP2);
-    parameters.decod_format = 1;
-  } else {
-    l_codec = opj_create_decompress(OPJ_CODEC_J2K);
-  }
-  if (!l_codec) {
-    return FALSE;
-  }
-  if (m_ColorSpace && m_ColorSpace->GetFamily() == PDFCS_INDEXED)
-    parameters.flags |= OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG;
-  opj_set_info_handler(l_codec, fx_info_callback, 00);
-  opj_set_warning_handler(l_codec, fx_warning_callback, 00);
-  opj_set_error_handler(l_codec, fx_error_callback, 00);
-  if (!opj_setup_decoder(l_codec, &parameters)) {
-    return FALSE;
-  }
-  if (!opj_read_header(l_stream, l_codec, &image)) {
-    image = NULL;
-    return FALSE;
-  }
-  image->pdfium_use_colorspace = !!m_ColorSpace;
-
-  if (!parameters.nb_tile_to_decode) {
-    if (!opj_set_decode_area(l_codec, image, parameters.DA_x0, parameters.DA_y0,
-                             parameters.DA_x1, parameters.DA_y1)) {
-      opj_image_destroy(image);
-      image = NULL;
-      return FALSE;
-    }
-    if (!(opj_decode(l_codec, l_stream, image) &&
-          opj_end_decompress(l_codec, l_stream))) {
-      opj_image_destroy(image);
-      image = NULL;
-      return FALSE;
-    }
-  } else {
-    if (!opj_get_decoded_tile(l_codec, l_stream, image,
-                              parameters.tile_index)) {
-      return FALSE;
-    }
-  }
-  opj_stream_destroy(l_stream);
-  l_stream = NULL;
-  if (image->color_space != OPJ_CLRSPC_SYCC && image->numcomps == 3 &&
-      image->comps[0].dx == image->comps[0].dy && image->comps[1].dx != 1) {
-    image->color_space = OPJ_CLRSPC_SYCC;
-  } else if (image->numcomps <= 2) {
-    image->color_space = OPJ_CLRSPC_GRAY;
-  }
-  if (image->color_space == OPJ_CLRSPC_SYCC) {
-    color_sycc_to_rgb(image);
-  }
-  if (image->icc_profile_buf) {
-    FX_Free(image->icc_profile_buf);
-    image->icc_profile_buf = NULL;
-    image->icc_profile_len = 0;
-  }
-  if (!image) {
-    return FALSE;
-  }
-  return TRUE;
-}
-
-void CJPX_Decoder::GetInfo(FX_DWORD* width,
-                           FX_DWORD* height,
-                           FX_DWORD* components) {
-  *width = (FX_DWORD)image->x1;
-  *height = (FX_DWORD)image->y1;
-  *components = (FX_DWORD)image->numcomps;
-}
-
-bool CJPX_Decoder::Decode(uint8_t* dest_buf,
-                          int pitch,
-                          const std::vector<uint8_t>& offsets) {
-  if (image->comps[0].w != image->x1 || image->comps[0].h != image->y1)
-    return false;
-
-  if (pitch<(int)(image->comps[0].w * 8 * image->numcomps + 31)>> 5 << 2)
-    return false;
-
-  FXSYS_memset(dest_buf, 0xff, image->y1 * pitch);
-  std::vector<uint8_t*> channel_bufs(image->numcomps);
-  std::vector<int> adjust_comps(image->numcomps);
-  for (uint32_t i = 0; i < image->numcomps; i++) {
-    channel_bufs[i] = dest_buf + offsets[i];
-    adjust_comps[i] = image->comps[i].prec - 8;
-    if (i > 0) {
-      if (image->comps[i].dx != image->comps[i - 1].dx ||
-          image->comps[i].dy != image->comps[i - 1].dy ||
-          image->comps[i].prec != image->comps[i - 1].prec) {
-        return false;
-      }
-    }
-  }
-  int width = image->comps[0].w;
-  int height = image->comps[0].h;
-  for (uint32_t channel = 0; channel < image->numcomps; ++channel) {
-    uint8_t* pChannel = channel_bufs[channel];
-    if (adjust_comps[channel] < 0) {
-      for (int row = 0; row < height; ++row) {
-        uint8_t* pScanline = pChannel + row * pitch;
-        for (int col = 0; col < width; ++col) {
-          uint8_t* pPixel = pScanline + col * image->numcomps;
-          int src = image->comps[channel].data[row * width + col];
-          src += image->comps[channel].sgnd
-                     ? 1 << (image->comps[channel].prec - 1)
-                     : 0;
-          if (adjust_comps[channel] > 0) {
-            *pPixel = 0;
-          } else {
-            *pPixel = (uint8_t)(src << -adjust_comps[channel]);
-          }
-        }
-      }
-    } else {
-      for (int row = 0; row < height; ++row) {
-        uint8_t* pScanline = pChannel + row * pitch;
-        for (int col = 0; col < width; ++col) {
-          uint8_t* pPixel = pScanline + col * image->numcomps;
-          if (!image->comps[channel].data) {
-            continue;
-          }
-          int src = image->comps[channel].data[row * width + col];
-          src += image->comps[channel].sgnd
-                     ? 1 << (image->comps[channel].prec - 1)
-                     : 0;
-          if (adjust_comps[channel] - 1 < 0) {
-            *pPixel = (uint8_t)((src >> adjust_comps[channel]));
-          } else {
-            int tmpPixel = (src >> adjust_comps[channel]) +
-                           ((src >> (adjust_comps[channel] - 1)) % 2);
-            if (tmpPixel > 255) {
-              tmpPixel = 255;
-            } else if (tmpPixel < 0) {
-              tmpPixel = 0;
-            }
-            *pPixel = (uint8_t)tmpPixel;
-          }
-        }
-      }
-    }
-  }
-  return true;
-}
-
-CCodec_JpxModule::CCodec_JpxModule() {}
-CCodec_JpxModule::~CCodec_JpxModule() {
-}
-
-CJPX_Decoder* CCodec_JpxModule::CreateDecoder(const uint8_t* src_buf,
-                                              FX_DWORD src_size,
-                                              CPDF_ColorSpace* cs) {
-  std::unique_ptr<CJPX_Decoder> decoder(new CJPX_Decoder(cs));
-  return decoder->Init(src_buf, src_size) ? decoder.release() : nullptr;
-}
-
-void CCodec_JpxModule::GetImageInfo(CJPX_Decoder* pDecoder,
-                                    FX_DWORD* width,
-                                    FX_DWORD* height,
-                                    FX_DWORD* components) {
-  pDecoder->GetInfo(width, height, components);
-}
-
-bool CCodec_JpxModule::Decode(CJPX_Decoder* pDecoder,
-                              uint8_t* dest_data,
-                              int pitch,
-                              const std::vector<uint8_t>& offsets) {
-  return pDecoder->Decode(dest_data, pitch, offsets);
-}
-
-void CCodec_JpxModule::DestroyDecoder(CJPX_Decoder* pDecoder) {
-  delete pDecoder;
-}