/*

 * Copyright (C) 2009-2026 D. R. Commander

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 *

 * - Redistributions of source code must retain the above copyright notice,

 *   this list of conditions and the following disclaimer.

 * - Redistributions in binary form must reproduce the above copyright notice,

 *   this list of conditions and the following disclaimer in the documentation

 *   and/or other materials provided with the distribution.

 * - Neither the name of the libjpeg-turbo Project nor the names of its

 *   contributors may be used to endorse or promote products derived from this

 *   software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE

 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

/* TurboJPEG API functions that must be compiled for multiple data

   precisions */

#if BITS_IN_JSAMPLE == 8

#define _JSAMPLE  JSAMPLE

#define _JSAMPROW  JSAMPROW

#define _buffer  buffer

#define _jinit_read_png  jinit_read_png

#define _jinit_write_png  jinit_write_png

#define _jinit_read_ppm  jinit_read_ppm

#define _jinit_write_ppm  jinit_write_ppm

#define _jpeg_crop_scanline  jpeg_crop_scanline

#define _jpeg_read_scanlines  jpeg_read_scanlines

#define _jpeg_skip_scanlines  jpeg_skip_scanlines

#define _jpeg_write_scanlines  jpeg_write_scanlines

#elif BITS_IN_JSAMPLE == 12

#define _JSAMPLE  J12SAMPLE

#define _JSAMPROW  J12SAMPROW

#define _buffer  buffer12

#define _jinit_read_png  j12init_read_png

#define _jinit_write_png  j12init_write_png

#define _jinit_read_ppm  j12init_read_ppm

#define _jinit_write_ppm  j12init_write_ppm

#define _jpeg_crop_scanline  jpeg12_crop_scanline

#define _jpeg_read_scanlines  jpeg12_read_scanlines

#define _jpeg_skip_scanlines  jpeg12_skip_scanlines

#define _jpeg_write_scanlines  jpeg12_write_scanlines

#elif BITS_IN_JSAMPLE == 16

#define _JSAMPLE  J16SAMPLE

#define _JSAMPROW  J16SAMPROW

#define _buffer  buffer16

#define _jinit_read_png  j16init_read_png

#define _jinit_write_png  j16init_write_png

#define _jinit_read_ppm  j16init_read_ppm

#define _jinit_write_ppm  j16init_write_ppm

#define _jpeg_read_scanlines  jpeg16_read_scanlines

#define _jpeg_write_scanlines  jpeg16_write_scanlines

#endif

#define _GET_NAME(name, suffix)  name##suffix

#define GET_NAME(name, suffix)  _GET_NAME(name, suffix)

#define _GET_STRING(name, suffix)  #name #suffix

#define GET_STRING(name, suffix)  _GET_STRING(name, suffix)

/******************************** Compressor *********************************/

/* TurboJPEG 3.0+ */

DLLEXPORT int GET_NAME(tj3Compress, BITS_IN_JSAMPLE)

  (tjhandle handle, const _JSAMPLE *srcBuf, int width, int pitch, int height,

   int pixelFormat, unsigned char **jpegBuf, size_t *jpegSize)

{

  static const char FUNCTION_NAME[] = GET_STRING(tj3Compress, BITS_IN_JSAMPLE);

  int i, retval = 0;

  boolean alloc = TRUE;

  _JSAMPROW *row_pointer = NULL;

  GET_CINSTANCE(handle)

  if ((this->init & COMPRESS) == 0)

    THROW("Instance has not been initialized for compression");

  if (srcBuf == NULL || width <= 0 || pitch < 0 || height <= 0 ||

      pixelFormat < 0 || pixelFormat >= TJ_NUMPF || jpegBuf == NULL ||

      jpegSize == NULL)

    THROW("Invalid argument");

  if (!this->lossless && this->quality == -1)

    THROW("TJPARAM_QUALITY must be specified");

  if (!this->lossless && this->subsamp == TJSAMP_UNKNOWN)

    THROW("TJPARAM_SUBSAMP must be specified");

  if (pitch == 0) pitch = width * tjPixelSize[pixelFormat];

  else if (pitch < width * tjPixelSize[pixelFormat])

    THROW("Invalid argument");

  if ((row_pointer = (_JSAMPROW *)malloc(sizeof(_JSAMPROW) * height)) == NULL)

    THROW("Memory allocation failure");

  CATCH_LIBJPEG(this);

  cinfo->image_width = width;

  cinfo->image_height = height;

  cinfo->data_precision = BITS_IN_JSAMPLE;

#if BITS_IN_JSAMPLE == 8

  if (this->lossless && this->precision >= 2 &&

      this->precision <= BITS_IN_JSAMPLE)

#else

  if (this->lossless && this->precision >= BITS_IN_JSAMPLE - 3 &&

      this->precision <= BITS_IN_JSAMPLE)

#endif

    cinfo->data_precision = this->precision;

  setCompDefaults(this, pixelFormat, FALSE);

  if (this->noRealloc) alloc = FALSE;

  jpeg_mem_dest_tj(cinfo, jpegBuf, jpegSize, alloc);

  jpeg_start_compress(cinfo, TRUE);

  if (this->iccBuf != NULL && this->iccSize != 0)

    jpeg_write_icc_profile(cinfo, this->iccBuf, (unsigned int)this->iccSize);

  for (i = 0; i < height; i++) {

    if (this->bottomUp)

      row_pointer[i] = (_JSAMPROW)&srcBuf[(height - i - 1) * (size_t)pitch];

    else

      row_pointer[i] = (_JSAMPROW)&srcBuf[i * (size_t)pitch];

  }

  while (cinfo->next_scanline < cinfo->image_height)

    _jpeg_write_scanlines(cinfo, &row_pointer[cinfo->next_scanline],

                          cinfo->image_height - cinfo->next_scanline);

  jpeg_finish_compress(cinfo);

bailout:

  if (cinfo->global_state > CSTATE_START && alloc)

    (*cinfo->dest->term_destination) (cinfo);

  if (cinfo->global_state > CSTATE_START || retval == -1)

    jpeg_abort_compress(cinfo);

  free(row_pointer);

  if (this->jerr.warning) retval = -1;

  return retval;

}

Unexecuted instantiation: tj3Compress8

Unexecuted instantiation: tj3Compress12

Unexecuted instantiation: tj3Compress16

/******************************* Decompressor ********************************/

/* TurboJPEG 3.0+ */

DLLEXPORT int GET_NAME(tj3Decompress, BITS_IN_JSAMPLE)

  (tjhandle handle, const unsigned char *jpegBuf, size_t jpegSize,

   _JSAMPLE *dstBuf, int pitch, int pixelFormat)

{

  static const char FUNCTION_NAME[] =

    GET_STRING(tj3Decompress, BITS_IN_JSAMPLE);

  _JSAMPROW *row_pointer = NULL;

  int croppedHeight, i, retval = 0;

#if BITS_IN_JSAMPLE != 16

  int scaledWidth;

#endif

  struct my_progress_mgr progress;

  GET_DINSTANCE(handle);

  if ((this->init & DECOMPRESS) == 0)

    THROW("Instance has not been initialized for decompression");

  if (jpegBuf == NULL || jpegSize <= 0 || dstBuf == NULL || pitch < 0 ||

      pixelFormat < 0 || pixelFormat >= TJ_NUMPF)

    THROW("Invalid argument");

  if (this->scanLimit) {

    memset(&progress, 0, sizeof(struct my_progress_mgr));

    progress.pub.progress_monitor = my_progress_monitor;

    progress.this = this;

    dinfo->progress = &progress.pub;

  } else

    dinfo->progress = NULL;

  dinfo->mem->max_memory_to_use = (long)this->maxMemory * 1048576L;

  CATCH_LIBJPEG(this);

  if (dinfo->global_state <= DSTATE_INHEADER) {

    jpeg_mem_src_tj(dinfo, jpegBuf, jpegSize);

    jpeg_read_header(dinfo, TRUE);

  }

  setDecompParameters(this);

#if BITS_IN_JSAMPLE == 12

  if (this->precision == 8 && !this->lossless)

    dinfo->data_precision = 12;

#endif

  if (this->maxPixels &&

      (unsigned long long)this->jpegWidth * this->jpegHeight >

      (unsigned long long)this->maxPixels)

    THROW("Image is too large");

  this->dinfo.out_color_space = pf2cs[pixelFormat];

#if BITS_IN_JSAMPLE != 16

  scaledWidth = TJSCALED(dinfo->image_width, this->scalingFactor);

#endif

  dinfo->do_fancy_upsampling = !this->fastUpsample;

  this->dinfo.dct_method = this->fastDCT ? JDCT_FASTEST : JDCT_ISLOW;

  dinfo->scale_num = this->scalingFactor.num;

  dinfo->scale_denom = this->scalingFactor.denom;

  jpeg_start_decompress(dinfo);

#if BITS_IN_JSAMPLE != 16

  if (this->croppingRegion.x != 0 ||

      (this->croppingRegion.w != 0 && this->croppingRegion.w != scaledWidth)) {

    JDIMENSION crop_x = this->croppingRegion.x;

    JDIMENSION crop_w = this->croppingRegion.w;

    _jpeg_crop_scanline(dinfo, &crop_x, &crop_w);

    if ((int)crop_x != this->croppingRegion.x)

      THROWI("Unexplained mismatch between specified (%d) and\n"

             "actual (%d) cropping region left boundary",

             this->croppingRegion.x, (int)crop_x);

    if ((int)crop_w != this->croppingRegion.w)

      THROWI("Unexplained mismatch between specified (%d) and\n"

             "actual (%d) cropping region width",

             this->croppingRegion.w, (int)crop_w);

  }

#endif

  if (pitch == 0) pitch = dinfo->output_width * tjPixelSize[pixelFormat];

  else if ((JDIMENSION)pitch < dinfo->output_width * tjPixelSize[pixelFormat])

    THROW("Invalid argument");

  croppedHeight = dinfo->output_height;

#if BITS_IN_JSAMPLE != 16

  if (this->croppingRegion.y != 0 || this->croppingRegion.h != 0)

    croppedHeight = this->croppingRegion.h;

#endif

  if ((row_pointer =

       (_JSAMPROW *)malloc(sizeof(_JSAMPROW) * croppedHeight)) == NULL)

    THROW("Memory allocation failure");

  CATCH_LIBJPEG(this);

  for (i = 0; i < (int)croppedHeight; i++) {

    if (this->bottomUp)

      row_pointer[i] = &dstBuf[(croppedHeight - i - 1) * (size_t)pitch];

    else

      row_pointer[i] = &dstBuf[i * (size_t)pitch];

  }

#if BITS_IN_JSAMPLE != 16

  if (this->croppingRegion.y != 0 || this->croppingRegion.h != 0) {

    if (this->croppingRegion.y != 0) {

      JDIMENSION lines = _jpeg_skip_scanlines(dinfo, this->croppingRegion.y);

      if ((int)lines != this->croppingRegion.y)

        THROWI("Unexplained mismatch between specified (%d) and\n"

               "actual (%d) cropping region upper boundary",

               this->croppingRegion.y, (int)lines);

    }

    while ((int)dinfo->output_scanline <

           this->croppingRegion.y + this->croppingRegion.h)

      _jpeg_read_scanlines(dinfo, &row_pointer[dinfo->output_scanline -

                                               this->croppingRegion.y],

                           this->croppingRegion.y + this->croppingRegion.h -

                           dinfo->output_scanline);

    if (this->croppingRegion.y + this->croppingRegion.h !=

        (int)dinfo->output_height) {

      JDIMENSION lines = _jpeg_skip_scanlines(dinfo, dinfo->output_height -

                                                     this->croppingRegion.y -

                                                     this->croppingRegion.h);

      if (lines != dinfo->output_height - this->croppingRegion.y -

                   this->croppingRegion.h)

        THROWI("Unexplained mismatch between specified (%d) and\n"

               "actual (%d) cropping region lower boundary",

               this->croppingRegion.y + this->croppingRegion.h,

               (int)(dinfo->output_height - lines));

    }

  } else

#endif

  {

    while (dinfo->output_scanline < dinfo->output_height)

      _jpeg_read_scanlines(dinfo, &row_pointer[dinfo->output_scanline],

                           dinfo->output_height - dinfo->output_scanline);

  }

  jpeg_finish_decompress(dinfo);

bailout:

  if (dinfo->global_state > DSTATE_START) jpeg_abort_decompress(dinfo);

  free(row_pointer);

  if (this->jerr.warning) retval = -1;

  return retval;

}

Unexecuted instantiation: tj3Decompress8

Unexecuted instantiation: tj3Decompress12

Unexecuted instantiation: tj3Decompress16

/*************************** Packed-Pixel Image I/O **************************/

#if BITS_IN_JSAMPLE != 16 || defined(C_LOSSLESS_SUPPORTED)

/* TurboJPEG 3.0+ */

#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION

static

#endif

_JSAMPLE *GET_NAME(_tj3LoadImageFromFileHandle, BITS_IN_JSAMPLE)

  (tjhandle handle, FILE *file, int *width, int align, int *height,

   int *pixelFormat)

{

  static const char FUNCTION_NAME[] =

    GET_STRING(tj3LoadImage, BITS_IN_JSAMPLE);

  int retval = 0, tempc;

  size_t pitch;

  tjhandle handle2 = NULL;

  tjinstance *this2;

  j_compress_ptr cinfo = NULL;

  cjpeg_source_ptr src = NULL;

  _JSAMPLE *dstBuf = NULL;

  boolean invert;

  GET_TJINSTANCE(handle, NULL)

  if (!file || !width || align < 1 || !height || !pixelFormat ||

      *pixelFormat < TJPF_UNKNOWN || *pixelFormat >= TJ_NUMPF)

    THROW("Invalid argument");

  if ((align & (align - 1)) != 0)

    THROW("Alignment must be a power of 2");

  /* The instance handle passed to this function is used only for parameter

     retrieval.  Create a new temporary instance to avoid interfering with the

     libjpeg state of the primary instance. */

  if ((handle2 = tj3Init(TJINIT_COMPRESS)) == NULL) return NULL;

  this2 = (tjinstance *)handle2;

  cinfo = &this2->cinfo;

  if ((tempc = getc(file)) < 0 || ungetc(tempc, file) == EOF)

    THROW_UNIX("Could not read input file")

  else if (tempc == EOF)

    THROW("Input file contains no data");

  CATCH_LIBJPEG(this2);

  cinfo->data_precision = BITS_IN_JSAMPLE;

  if (*pixelFormat == TJPF_UNKNOWN) cinfo->in_color_space = JCS_UNKNOWN;

  else cinfo->in_color_space = pf2cs[*pixelFormat];

  if (tempc == 'B') {

    if ((src = jinit_read_bmp(cinfo, FALSE)) == NULL)

      THROW("Could not initialize bitmap loader");

    invert = !this->bottomUp;

  } else if (tempc == 0x89) {

#if BITS_IN_JSAMPLE == 8

    if (this->precision >= 2 && this->precision <= BITS_IN_JSAMPLE)

#else

    if (this->precision >= BITS_IN_JSAMPLE - 3 &&

        this->precision <= BITS_IN_JSAMPLE)

#endif

      cinfo->data_precision = this->precision;

    if ((src = _jinit_read_png(cinfo)) == NULL)

      THROW("Could not initialize PNG loader");

    invert = this->bottomUp;

  } else if (tempc == 'P') {

#if BITS_IN_JSAMPLE == 8

    if (this->precision >= 2 && this->precision <= BITS_IN_JSAMPLE)

#else

    if (this->precision >= BITS_IN_JSAMPLE - 3 &&

        this->precision <= BITS_IN_JSAMPLE)

#endif

      cinfo->data_precision = this->precision;

    if ((src = _jinit_read_ppm(cinfo)) == NULL)

      THROW("Could not initialize PPM loader");

    invert = this->bottomUp;

  } else

    THROW("Unsupported file type");

  if (setjmp(this2->jerr.setjmp_buffer)) {

    /* If we get here, the JPEG code has signaled an error. */

    retval = -1;  goto bailout;

  }

  cinfo->mem->max_memory_to_use = (long)this->maxMemory * 1048576L;

  src->input_file = file;

  /* Refuse to load images larger than the specified size. */

  src->max_pixels = this->maxPixels;

  (*src->start_input) (cinfo, src);

  if (tempc == 'B') {

    if (cinfo->X_density && cinfo->Y_density) {

      this->xDensity = cinfo->X_density;

      this->yDensity = cinfo->Y_density;

      this->densityUnits = cinfo->density_unit;

    }

  } else if (tempc == 0x89 && (this->init & COMPRESS) &&

             (this->saveMarkers == 2 || this->saveMarkers == 4)) {

    JOCTET *iccBuf = NULL;

    unsigned int iccLen = 0;

    if ((*src->read_icc_profile) (cinfo, src, &iccBuf, &iccLen) && iccBuf &&

        iccLen)

      tj3SetICCProfile(handle, (unsigned char *)iccBuf, iccLen);

  }

  (*cinfo->mem->realize_virt_arrays) ((j_common_ptr)cinfo);

  *width = cinfo->image_width;  *height = cinfo->image_height;

  *pixelFormat = cs2pf[cinfo->in_color_space];

  pitch = PAD((*width) * tjPixelSize[*pixelFormat], align);

  if (

#if ULLONG_MAX > SIZE_MAX

      (unsigned long long)pitch * (unsigned long long)(*height) >

      (unsigned long long)((size_t)-1) ||

#endif

      (dstBuf = (_JSAMPLE *)malloc(pitch * (*height) *

                                   sizeof(_JSAMPLE))) == NULL)

    THROW("Memory allocation failure");

  CATCH_LIBJPEG(this2);

  while (cinfo->next_scanline < cinfo->image_height) {

    int i, nlines = (*src->get_pixel_rows) (cinfo, src);

    for (i = 0; i < nlines; i++) {

      _JSAMPLE *dstptr;

      int row;

      row = cinfo->next_scanline + i;

      if (invert) dstptr = &dstBuf[((*height) - row - 1) * pitch];

      else dstptr = &dstBuf[row * pitch];

      memcpy(dstptr, src->_buffer[i],

             (*width) * tjPixelSize[*pixelFormat] * sizeof(_JSAMPLE));

    }

    cinfo->next_scanline += nlines;

  }

bailout:

  if (src)

    (*src->finish_input) (cinfo, src);

  tj3Destroy(handle2);

  if (retval < 0) { free(dstBuf);  dstBuf = NULL; }

  return dstBuf;

}

Unexecuted instantiation: _tj3LoadImageFromFileHandle8

Unexecuted instantiation: _tj3LoadImageFromFileHandle12

Unexecuted instantiation: _tj3LoadImageFromFileHandle16

#endif /* BITS_IN_JSAMPLE != 16 || defined(C_LOSSLESS_SUPPORTED) */

DLLEXPORT _JSAMPLE *GET_NAME(tj3LoadImage, BITS_IN_JSAMPLE)

  (tjhandle handle, const char *filename, int *width, int align, int *height,

   int *pixelFormat)

{

  static const char FUNCTION_NAME[] =

    GET_STRING(tj3LoadImage, BITS_IN_JSAMPLE);

#if BITS_IN_JSAMPLE != 16 || defined(C_LOSSLESS_SUPPORTED)

  int retval = 0;

  _JSAMPLE *dstBuf = NULL;

  FILE *file = NULL;

  GET_TJINSTANCE(handle, NULL)

  if (!filename)

    THROW("Invalid argument");

#ifdef _MSC_VER

  if (fopen_s(&file, filename, "rb") || file == NULL)

#else

  if ((file = fopen(filename, "rb")) == NULL)

#endif

    THROW_UNIX("Cannot open input file");

  dstBuf = GET_NAME(_tj3LoadImageFromFileHandle, BITS_IN_JSAMPLE)

             (handle, file, width, align, height, pixelFormat);

bailout:

  if (file) fclose(file);

  if (retval < 0) { free(dstBuf);  dstBuf = NULL; }

  return dstBuf;

#else /* BITS_IN_JSAMPLE != 16 || defined(C_LOSSLESS_SUPPORTED) */

  static const char ERROR_MSG[] =

    "16-bit data precision requires lossless JPEG,\n"

    "which was disabled at build time.";

  _JSAMPLE *retval = NULL;

  GET_TJINSTANCE(handle, NULL)

  SNPRINTF(this->errStr, JMSG_LENGTH_MAX, "%s(): %s", FUNCTION_NAME,

           ERROR_MSG);

  this->isInstanceError = TRUE;  THROWG(ERROR_MSG, NULL)

bailout:

  return retval;

#endif

}

Unexecuted instantiation: tj3LoadImage8

Unexecuted instantiation: tj3LoadImage12

Unexecuted instantiation: tj3LoadImage16

/* TurboJPEG 3.0+ */

DLLEXPORT int GET_NAME(tj3SaveImage, BITS_IN_JSAMPLE)

  (tjhandle handle, const char *filename, const _JSAMPLE *buffer, int width,

   int pitch, int height, int pixelFormat)

{

  static const char FUNCTION_NAME[] =

    GET_STRING(tj3SaveImage, BITS_IN_JSAMPLE);

  int retval = 0;

#if BITS_IN_JSAMPLE != 16 || defined(D_LOSSLESS_SUPPORTED)

  tjhandle handle2 = NULL;

  tjinstance *this2;

  j_decompress_ptr dinfo = NULL;

  djpeg_dest_ptr dst;

  FILE *file = NULL;

  const char *ptr = NULL;

  boolean invert;

  GET_TJINSTANCE(handle, -1)

  if (!filename || !buffer || width < 1 || pitch < 0 || height < 1 ||

      pixelFormat < 0 || pixelFormat >= TJ_NUMPF)

    THROW("Invalid argument");

  /* The instance handle passed to this function is used only for parameter

     retrieval.  Create a new temporary instance to avoid interfering with the

     libjpeg state of the primary instance. */

  if ((handle2 = tj3Init(TJINIT_DECOMPRESS)) == NULL)

    return -1;

  this2 = (tjinstance *)handle2;

  dinfo = &this2->dinfo;

#ifdef _MSC_VER

  if (fopen_s(&file, filename, "wb") || file == NULL)

#else

  if ((file = fopen(filename, "wb")) == NULL)

#endif

    THROW_UNIX("Cannot open output file");

  CATCH_LIBJPEG(this2);

  this2->dinfo.out_color_space = pf2cs[pixelFormat];

  dinfo->image_width = width;  dinfo->image_height = height;

  dinfo->global_state = DSTATE_READY;

  dinfo->scale_num = dinfo->scale_denom = 1;

  dinfo->data_precision = BITS_IN_JSAMPLE;

  ptr = strrchr(filename, '.');

  if (ptr && !strcasecmp(ptr, ".bmp")) {

    if ((dst = jinit_write_bmp(dinfo, FALSE, FALSE)) == NULL)

      THROW("Could not initialize bitmap writer");

    invert = !this->bottomUp;

    dinfo->X_density = (UINT16)this->xDensity;

    dinfo->Y_density = (UINT16)this->yDensity;

    dinfo->density_unit = (UINT8)this->densityUnits;

  } else if (ptr && !strcasecmp(ptr, ".png")) {

#if BITS_IN_JSAMPLE == 8

    if (this->precision >= 2 && this->precision <= BITS_IN_JSAMPLE)

#else

    if (this->precision >= BITS_IN_JSAMPLE - 3 &&

        this->precision <= BITS_IN_JSAMPLE)

#endif

      dinfo->data_precision = this->precision;

    if ((dst = _jinit_write_png(dinfo)) == NULL)

      THROW("Could not initialize PNG writer");

    invert = this->bottomUp;

    if ((this->init & DECOMPRESS) && this->decompICCBuf &&

        this->decompICCSize) {

      unsigned char *iccBuf = (unsigned char *)malloc(this->decompICCSize);

      if (!iccBuf)

        THROW("Memory allocation failure");

      memcpy(iccBuf, this->decompICCBuf, this->decompICCSize);

      (*dst->write_icc_profile) (dinfo, dst, iccBuf,

                                 (unsigned int)this->decompICCSize);

    }

  } else {

#if BITS_IN_JSAMPLE == 8

    if (this->precision >= 2 && this->precision <= BITS_IN_JSAMPLE)

#else

    if (this->precision >= BITS_IN_JSAMPLE - 3 &&

        this->precision <= BITS_IN_JSAMPLE)

#endif

      dinfo->data_precision = this->precision;

    if ((dst = _jinit_write_ppm(dinfo)) == NULL)

      THROW("Could not initialize PPM writer");

    invert = this->bottomUp;

  }

  dinfo->mem->max_memory_to_use = (long)this->maxMemory * 1048576L;

  dst->output_file = file;

  (*dst->start_output) (dinfo, dst);

  (*dinfo->mem->realize_virt_arrays) ((j_common_ptr)dinfo);

  if (pitch == 0) pitch = width * tjPixelSize[pixelFormat];

  else if (pitch < width * tjPixelSize[pixelFormat])

    THROW("Invalid argument");

  while (dinfo->output_scanline < dinfo->output_height) {

    _JSAMPLE *rowptr;

    if (invert)

      rowptr =

        (_JSAMPLE *)&buffer[(height - dinfo->output_scanline - 1) * pitch];

    else

      rowptr = (_JSAMPLE *)&buffer[dinfo->output_scanline * pitch];

    memcpy(dst->_buffer[0], rowptr,

           width * tjPixelSize[pixelFormat] * sizeof(_JSAMPLE));

    (*dst->put_pixel_rows) (dinfo, dst, 1);

    dinfo->output_scanline++;

  }

  (*dst->finish_output) (dinfo, dst);

bailout:

  tj3Destroy(handle2);

  if (file) fclose(file);

  return retval;

#else /* BITS_IN_JSAMPLE != 16 || defined(D_LOSSLESS_SUPPORTED) */

  GET_TJINSTANCE(handle, -1)

  THROW("16-bit data precision requires lossless JPEG,\n"

        "which was disabled at build time.")

bailout:

  return retval;

#endif

}

Unexecuted instantiation: tj3SaveImage8

Unexecuted instantiation: tj3SaveImage12

Unexecuted instantiation: tj3SaveImage16

#undef _JSAMPLE

#undef _JSAMPROW

#undef _buffer

#undef _jinit_read_png

#undef _jinit_write_png

#undef _jinit_read_ppm

#undef _jinit_write_ppm

#undef _jpeg_crop_scanline

#undef _jpeg_read_scanlines

#undef _jpeg_skip_scanlines

#undef _jpeg_write_scanlines