diff options
Diffstat (limited to 'plugins/FreeImage/Source/LibJPEG/jcapistd.c')
| -rw-r--r-- | plugins/FreeImage/Source/LibJPEG/jcapistd.c | 161 | 
1 files changed, 0 insertions, 161 deletions
diff --git a/plugins/FreeImage/Source/LibJPEG/jcapistd.c b/plugins/FreeImage/Source/LibJPEG/jcapistd.c deleted file mode 100644 index c0320b1b19..0000000000 --- a/plugins/FreeImage/Source/LibJPEG/jcapistd.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * jcapistd.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 compression half - * of the JPEG library.  These are the "standard" API routines that are - * used in the normal full-compression case.  They are not used by a - * transcoding-only application.  Note that if an application links in - * jpeg_start_compress, it will end up linking in the entire compressor. - * We thus must separate this file from jcapimin.c to avoid linking the - * whole compression library into a transcoder. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* - * Compression initialization. - * Before calling this, all parameters and a data destination must be set up. - * - * We require a write_all_tables parameter as a failsafe check when writing - * multiple datastreams from the same compression object.  Since prior runs - * will have left all the tables marked sent_table=TRUE, a subsequent run - * would emit an abbreviated stream (no tables) by default.  This may be what - * is wanted, but for safety's sake it should not be the default behavior: - * programmers should have to make a deliberate choice to emit abbreviated - * images.  Therefore the documentation and examples should encourage people - * to pass write_all_tables=TRUE; then it will take active thought to do the - * wrong thing. - */ - -GLOBAL(void) -jpeg_start_compress (j_compress_ptr cinfo, boolean write_all_tables) -{ -  if (cinfo->global_state != CSTATE_START) -    ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - -  if (write_all_tables) -    jpeg_suppress_tables(cinfo, FALSE);	/* mark all tables to be written */ - -  /* (Re)initialize error mgr and destination modules */ -  (*cinfo->err->reset_error_mgr) ((j_common_ptr) cinfo); -  (*cinfo->dest->init_destination) (cinfo); -  /* Perform master selection of active modules */ -  jinit_compress_master(cinfo); -  /* Set up for the first pass */ -  (*cinfo->master->prepare_for_pass) (cinfo); -  /* Ready for application to drive first pass through jpeg_write_scanlines -   * or jpeg_write_raw_data. -   */ -  cinfo->next_scanline = 0; -  cinfo->global_state = (cinfo->raw_data_in ? CSTATE_RAW_OK : CSTATE_SCANNING); -} - - -/* - * Write some scanlines of data to the JPEG compressor. - * - * The return value will be the number of lines actually written. - * This should be less than the supplied num_lines only in case that - * the data destination module has requested suspension of the compressor, - * or if more than image_height scanlines are passed in. - * - * Note: we warn about excess calls to jpeg_write_scanlines() since - * this likely signals an application programmer error.  However, - * excess scanlines passed in the last valid call are *silently* ignored, - * so that the application need not adjust num_lines for end-of-image - * when using a multiple-scanline buffer. - */ - -GLOBAL(JDIMENSION) -jpeg_write_scanlines (j_compress_ptr cinfo, JSAMPARRAY scanlines, -		      JDIMENSION num_lines) -{ -  JDIMENSION row_ctr, rows_left; - -  if (cinfo->global_state != CSTATE_SCANNING) -    ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); -  if (cinfo->next_scanline >= cinfo->image_height) -    WARNMS(cinfo, JWRN_TOO_MUCH_DATA); - -  /* Call progress monitor hook if present */ -  if (cinfo->progress != NULL) { -    cinfo->progress->pass_counter = (long) cinfo->next_scanline; -    cinfo->progress->pass_limit = (long) cinfo->image_height; -    (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); -  } - -  /* Give master control module another chance if this is first call to -   * jpeg_write_scanlines.  This lets output of the frame/scan headers be -   * delayed so that application can write COM, etc, markers between -   * jpeg_start_compress and jpeg_write_scanlines. -   */ -  if (cinfo->master->call_pass_startup) -    (*cinfo->master->pass_startup) (cinfo); - -  /* Ignore any extra scanlines at bottom of image. */ -  rows_left = cinfo->image_height - cinfo->next_scanline; -  if (num_lines > rows_left) -    num_lines = rows_left; - -  row_ctr = 0; -  (*cinfo->main->process_data) (cinfo, scanlines, &row_ctr, num_lines); -  cinfo->next_scanline += row_ctr; -  return row_ctr; -} - - -/* - * Alternate entry point to write raw data. - * Processes exactly one iMCU row per call, unless suspended. - */ - -GLOBAL(JDIMENSION) -jpeg_write_raw_data (j_compress_ptr cinfo, JSAMPIMAGE data, -		     JDIMENSION num_lines) -{ -  JDIMENSION lines_per_iMCU_row; - -  if (cinfo->global_state != CSTATE_RAW_OK) -    ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); -  if (cinfo->next_scanline >= cinfo->image_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->next_scanline; -    cinfo->progress->pass_limit = (long) cinfo->image_height; -    (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); -  } - -  /* Give master control module another chance if this is first call to -   * jpeg_write_raw_data.  This lets output of the frame/scan headers be -   * delayed so that application can write COM, etc, markers between -   * jpeg_start_compress and jpeg_write_raw_data. -   */ -  if (cinfo->master->call_pass_startup) -    (*cinfo->master->pass_startup) (cinfo); - -  /* Verify that at least one iMCU row has been passed. */ -  lines_per_iMCU_row = cinfo->max_v_samp_factor * DCTSIZE; -  if (num_lines < lines_per_iMCU_row) -    ERREXIT(cinfo, JERR_BUFFER_SIZE); - -  /* Directly compress the row. */ -  if (! (*cinfo->coef->compress_data) (cinfo, data)) { -    /* If compressor did not consume the whole row, suspend processing. */ -    return 0; -  } - -  /* OK, we processed one iMCU row. */ -  cinfo->next_scanline += lines_per_iMCU_row; -  return lines_per_iMCU_row; -}  | 
