1 files changed, 0 insertions, 397 deletions

diff --git a/libjpegtwrp/jdapistd.c b/libjpegtwrp/jdapistd.c
deleted file mode 100644
index e1233df36..000000000
--- a/libjpegtwrp/jdapistd.c
+++ /dev/null
@@ -1,397 +0,0 @@
-/*
- * jdapistd.c
- *
- * Copyright (C) 1994-1996, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains application interface code for the decompression half
- * of the JPEG library.  These are the "standard" API routines that are
- * used in the normal full-decompression case.  They are not used by a
- * transcoding-only application.  Note that if an application links in
- * jpeg_start_decompress, it will end up linking in the entire decompressor.
- * We thus must separate this file from jdapimin.c to avoid linking the
- * whole decompression library into a transcoder.
- */
-
-#define JPEG_INTERNALS
-#include "jinclude.h"
-#include "jpeglib.h"
-
-
-/* Forward declarations */
-LOCAL(boolean) output_pass_setup JPP((j_decompress_ptr cinfo));
-
-
-/*
- * Decompression initialization.
- * jpeg_read_header must be completed before calling this.
- *
- * If a multipass operating mode was selected, this will do all but the
- * last pass, and thus may take a great deal of time.
- *
- * Returns FALSE if suspended.  The return value need be inspected only if
- * a suspending data source is used.
- */
-
-GLOBAL(boolean)
-jpeg_start_decompress (j_decompress_ptr cinfo)
-{
-  if (cinfo->global_state == DSTATE_READY) {
-    /* First call: initialize master control, select active modules */
-    jinit_master_decompress(cinfo);
-    if (cinfo->buffered_image) {
-      /* No more work here; expecting jpeg_start_output next */
-      cinfo->global_state = DSTATE_BUFIMAGE;
-      return TRUE;
-    }
-    cinfo->global_state = DSTATE_PRELOAD;
-  }
-  if (cinfo->global_state == DSTATE_PRELOAD) {
-    /* If file has multiple scans, absorb them all into the coef buffer */
-    if (cinfo->inputctl->has_multiple_scans) {
-#ifdef D_MULTISCAN_FILES_SUPPORTED
-      for (;;) {
-	int retcode;
-	/* Call progress monitor hook if present */
-	if (cinfo->progress != NULL)
-	  (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo);
-	/* Absorb some more input */
-	retcode = (*cinfo->inputctl->consume_input) (cinfo);
-	if (retcode == JPEG_SUSPENDED)
-	  return FALSE;
-	if (retcode == JPEG_REACHED_EOI)
-	  break;
-	/* Advance progress counter if appropriate */
-	if (cinfo->progress != NULL &&
-	    (retcode == JPEG_ROW_COMPLETED || retcode == JPEG_REACHED_SOS)) {
-	  if (++cinfo->progress->pass_counter >= cinfo->progress->pass_limit) {
-	    /* jdmaster underestimated number of scans; ratchet up one scan */
-	    cinfo->progress->pass_limit += (long) cinfo->total_iMCU_rows;
-	  }
-	}
-      }
-#else
-      ERREXIT(cinfo, JERR_NOT_COMPILED);
-#endif /* D_MULTISCAN_FILES_SUPPORTED */
-    }
-    cinfo->output_scan_number = cinfo->input_scan_number;
-  } else if (cinfo->global_state != DSTATE_PRESCAN)
-    ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
-  /* Perform any dummy output passes, and set up for the final pass */
-  return output_pass_setup(cinfo);
-}
-
-/*
- * Tile decompression initialization.
- * jpeg_read_header must be completed before calling this.
- */
-
-GLOBAL(boolean)
-jpeg_start_tile_decompress (j_decompress_ptr cinfo)
-{
-  if (cinfo->global_state == DSTATE_READY) {
-    /* First call: initialize master control, select active modules */
-    cinfo->tile_decode = TRUE;
-    jinit_master_decompress(cinfo);
-    if (cinfo->buffered_image) {
-      cinfo->global_state = DSTATE_BUFIMAGE;
-      return TRUE;
-    }
-    cinfo->global_state = DSTATE_PRELOAD;
-  }
-  if (cinfo->global_state == DSTATE_PRELOAD) {
-    cinfo->output_scan_number = cinfo->input_scan_number;
-  } else if (cinfo->global_state != DSTATE_PRESCAN)
-    ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
-  /* Perform any dummy output passes, and set up for the final pass */
-  return output_pass_setup(cinfo);
-}
-
-
-/*
- * Set up for an output pass, and perform any dummy pass(es) needed.
- * Common subroutine for jpeg_start_decompress and jpeg_start_output.
- * Entry: global_state = DSTATE_PRESCAN only if previously suspended.
- * Exit: If done, returns TRUE and sets global_state for proper output mode.
- *       If suspended, returns FALSE and sets global_state = DSTATE_PRESCAN.
- */
-
-LOCAL(boolean)
-output_pass_setup (j_decompress_ptr cinfo)
-{
-  if (cinfo->global_state != DSTATE_PRESCAN) {
-    /* First call: do pass setup */
-    (*cinfo->master->prepare_for_output_pass) (cinfo);
-    cinfo->output_scanline = 0;
-    cinfo->global_state = DSTATE_PRESCAN;
-  }
-  /* Loop over any required dummy passes */
-  while (cinfo->master->is_dummy_pass) {
-#ifdef QUANT_2PASS_SUPPORTED
-    /* Crank through the dummy pass */
-    while (cinfo->output_scanline < cinfo->output_height) {
-      JDIMENSION last_scanline;
-      /* Call progress monitor hook if present */
-      if (cinfo->progress != NULL) {
-	cinfo->progress->pass_counter = (long) cinfo->output_scanline;
-	cinfo->progress->pass_limit = (long) cinfo->output_height;
-	(*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo);
-      }
-      /* Process some data */
-      last_scanline = cinfo->output_scanline;
-      (*cinfo->main->process_data) (cinfo, (JSAMPARRAY) NULL,
-				    &cinfo->output_scanline, (JDIMENSION) 0);
-      if (cinfo->output_scanline == last_scanline)
-	return FALSE;		/* No progress made, must suspend */
-    }
-    /* Finish up dummy pass, and set up for another one */
-    (*cinfo->master->finish_output_pass) (cinfo);
-    (*cinfo->master->prepare_for_output_pass) (cinfo);
-    cinfo->output_scanline = 0;
-#else
-    ERREXIT(cinfo, JERR_NOT_COMPILED);
-#endif /* QUANT_2PASS_SUPPORTED */
-  }
-  /* Ready for application to drive output pass through
-   * jpeg_read_scanlines or jpeg_read_raw_data.
-   */
-  cinfo->global_state = cinfo->raw_data_out ? DSTATE_RAW_OK : DSTATE_SCANNING;
-  return TRUE;
-}
-
-
-/*
- * Read some scanlines of data from the JPEG decompressor.
- *
- * The return value will be the number of lines actually read.
- * This may be less than the number requested in several cases,
- * including bottom of image, data source suspension, and operating
- * modes that emit multiple scanlines at a time.
- *
- * Note: we warn about excess calls to jpeg_read_scanlines() since
- * this likely signals an application programmer error.  However,
- * an oversize buffer (max_lines > scanlines remaining) is not an error.
- */
-
-GLOBAL(JDIMENSION)
-jpeg_read_scanlines (j_decompress_ptr cinfo, JSAMPARRAY scanlines,
-		     JDIMENSION max_lines)
-{
-  JDIMENSION row_ctr;
-
-  if (cinfo->global_state != DSTATE_SCANNING)
-    ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
-  if (cinfo->output_scanline >= cinfo->output_height) {
-    WARNMS(cinfo, JWRN_TOO_MUCH_DATA);
-    return 0;
-  }
-
-  /* Call progress monitor hook if present */
-  if (cinfo->progress != NULL) {
-    cinfo->progress->pass_counter = (long) cinfo->output_scanline;
-    cinfo->progress->pass_limit = (long) cinfo->output_height;
-    (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo);
-  }
-
-  /* Process some data */
-  row_ctr = 0;
-  (*cinfo->main->process_data) (cinfo, scanlines, &row_ctr, max_lines);
-  cinfo->output_scanline += row_ctr;
-  return row_ctr;
-}
-/*
- * Initialize the jpeg decoder to decompressing a rectangle with size of (width, height)
- * and its upper-left corner located at (start_x, start_y).
- * Align start_x and start_y to multiplies of iMCU width and height, respectively.
- * Also, the new reader position and sampled image size will be returned in
- * (start_x, start_y) and (width, height), respectively.
- */
-
-GLOBAL(void)
-jpeg_init_read_tile_scanline(j_decompress_ptr cinfo, huffman_index *index,
-		     int *start_x, int *start_y, int *width, int *height)
-{
-  // Calculates the boundary of iMCU
-  int lines_per_iMCU_row = cinfo->max_v_samp_factor * DCTSIZE;
-  int lines_per_iMCU_col = cinfo->max_h_samp_factor * DCTSIZE;
-  int row_offset = *start_y / lines_per_iMCU_row;
-  int col_left_boundary = ((*start_x / lines_per_iMCU_col)
-            / index->MCU_sample_size) * index->MCU_sample_size;
-  int col_right_boundary =
-                  jdiv_round_up(*start_x + *width, lines_per_iMCU_col);
-
-  cinfo->coef->MCU_columns_to_skip =
-      *start_x / lines_per_iMCU_col - col_left_boundary;
-
-  *height = (*start_y - row_offset * lines_per_iMCU_row) + *height;
-  *start_x = col_left_boundary * lines_per_iMCU_col;
-  *start_y = row_offset * lines_per_iMCU_row;
-  cinfo->image_width = jmin(cinfo->original_image_width,
-          col_right_boundary * lines_per_iMCU_col) -
-          col_left_boundary * lines_per_iMCU_col;
-  cinfo->input_iMCU_row = row_offset;
-  cinfo->output_iMCU_row = row_offset;
-
-  // Updates JPEG decoder parameter
-  jinit_color_deconverter(cinfo);
-  jpeg_calc_output_dimensions(cinfo);
-  jinit_upsampler(cinfo);
-  (*cinfo->master->prepare_for_output_pass) (cinfo);
-  if (cinfo->progressive_mode)
-    (*cinfo->entropy->start_pass) (cinfo);
-  else
-    jpeg_decompress_per_scan_setup(cinfo);
-
-  int sample_size = DCTSIZE / cinfo->min_DCT_scaled_size;
-
-  *height = jdiv_round_up(*height, sample_size);
-  *width = cinfo->output_width;
-  cinfo->output_scanline = lines_per_iMCU_row * row_offset / sample_size;
-  cinfo->inputctl->consume_input = cinfo->coef->consume_data;
-  cinfo->inputctl->consume_input_build_huffman_index =
-      cinfo->coef->consume_data_build_huffman_index;
-  cinfo->entropy->index = index;
-  cinfo->input_iMCU_row = row_offset;
-  cinfo->output_iMCU_row = row_offset;
-  cinfo->coef->MCU_column_left_boundary = col_left_boundary;
-  cinfo->coef->MCU_column_right_boundary = col_right_boundary;
-  cinfo->coef->column_left_boundary =
-      col_left_boundary / index->MCU_sample_size;
-  cinfo->coef->column_right_boundary =
-      jdiv_round_up(col_right_boundary, index->MCU_sample_size);
-}
-
-/*
- * Read a scanline from the current position.
- *
- * Return the number of lines actually read.
- */
-
-GLOBAL(JDIMENSION)
-jpeg_read_tile_scanline (j_decompress_ptr cinfo, huffman_index *index,
-        JSAMPARRAY scanlines)
-{
-  // Calculates the boundary of iMCU
-  int lines_per_iMCU_row = cinfo->max_v_samp_factor * DCTSIZE;
-  int lines_per_iMCU_col = cinfo->max_h_samp_factor * DCTSIZE;
-  int sample_size = DCTSIZE / cinfo->min_DCT_scaled_size;
-  JDIMENSION row_ctr = 0;
-
-  if (cinfo->progressive_mode) {
-    (*cinfo->main->process_data) (cinfo, scanlines, &row_ctr, 1);
-  } else {
-    if (cinfo->output_scanline % (lines_per_iMCU_row / sample_size) == 0) {
-      // Set the read head to the next iMCU row
-      int iMCU_row_offset = cinfo->output_scanline /
-            (lines_per_iMCU_row / sample_size);
-      int offset_data_col_position = cinfo->coef->MCU_column_left_boundary /
-            index->MCU_sample_size;
-      huffman_offset_data offset_data =
-          index->scan[0].offset[iMCU_row_offset][offset_data_col_position];
-      (*cinfo->entropy->configure_huffman_decoder) (cinfo, offset_data);
-    }
-    (*cinfo->main->process_data) (cinfo, scanlines, &row_ctr, 1);
-  }
-
-  cinfo->output_scanline += row_ctr;
-  return row_ctr;
-}
-
-/*
- * Alternate entry point to read raw data.
- * Processes exactly one iMCU row per call, unless suspended.
- */
-
-GLOBAL(JDIMENSION)
-jpeg_read_raw_data (j_decompress_ptr cinfo, JSAMPIMAGE data,
-		    JDIMENSION max_lines)
-{
-  JDIMENSION lines_per_iMCU_row;
-
-  if (cinfo->global_state != DSTATE_RAW_OK)
-    ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
-  if (cinfo->output_scanline >= cinfo->output_height) {
-    WARNMS(cinfo, JWRN_TOO_MUCH_DATA);
-    return 0;
-  }
-
-  /* Call progress monitor hook if present */
-  if (cinfo->progress != NULL) {
-    cinfo->progress->pass_counter = (long) cinfo->output_scanline;
-    cinfo->progress->pass_limit = (long) cinfo->output_height;
-    (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo);
-  }
-
-  /* Verify that at least one iMCU row can be returned. */
-  lines_per_iMCU_row = cinfo->max_v_samp_factor * cinfo->min_DCT_scaled_size;
-  if (max_lines < lines_per_iMCU_row)
-    ERREXIT(cinfo, JERR_BUFFER_SIZE);
-
-  /* Decompress directly into user's buffer. */
-  if (! (*cinfo->coef->decompress_data) (cinfo, data))
-    return 0;			/* suspension forced, can do nothing more */
-
-  /* OK, we processed one iMCU row. */
-  cinfo->output_scanline += lines_per_iMCU_row;
-  return lines_per_iMCU_row;
-}
-
-
-/* Additional entry points for buffered-image mode. */
-
-#ifdef D_MULTISCAN_FILES_SUPPORTED
-
-/*
- * Initialize for an output pass in buffered-image mode.
- */
-
-GLOBAL(boolean)
-jpeg_start_output (j_decompress_ptr cinfo, int scan_number)
-{
-  if (cinfo->global_state != DSTATE_BUFIMAGE &&
-      cinfo->global_state != DSTATE_PRESCAN)
-    ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
-  /* Limit scan number to valid range */
-  if (scan_number <= 0)
-    scan_number = 1;
-  if (cinfo->inputctl->eoi_reached &&
-      scan_number > cinfo->input_scan_number)
-    scan_number = cinfo->input_scan_number;
-  cinfo->output_scan_number = scan_number;
-  /* Perform any dummy output passes, and set up for the real pass */
-  return output_pass_setup(cinfo);
-}
-
-
-/*
- * Finish up after an output pass in buffered-image mode.
- *
- * Returns FALSE if suspended.  The return value need be inspected only if
- * a suspending data source is used.
- */
-
-GLOBAL(boolean)
-jpeg_finish_output (j_decompress_ptr cinfo)
-{
-  if ((cinfo->global_state == DSTATE_SCANNING ||
-       cinfo->global_state == DSTATE_RAW_OK) && cinfo->buffered_image) {
-    /* Terminate this pass. */
-    /* We do not require the whole pass to have been completed. */
-    (*cinfo->master->finish_output_pass) (cinfo);
-    cinfo->global_state = DSTATE_BUFPOST;
-  } else if (cinfo->global_state != DSTATE_BUFPOST) {
-    /* BUFPOST = repeat call after a suspension, anything else is error */
-    ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
-  }
-  /* Read markers looking for SOS or EOI */
-  while (cinfo->input_scan_number <= cinfo->output_scan_number &&
-	 ! cinfo->inputctl->eoi_reached) {
-    if ((*cinfo->inputctl->consume_input) (cinfo) == JPEG_SUSPENDED)
-      return FALSE;		/* Suspend, come back later */
-  }
-  cinfo->global_state = DSTATE_BUFIMAGE;
-  return TRUE;
-}
-
-#endif /* D_MULTISCAN_FILES_SUPPORTED */