diff options
| author | Vadim Dashevskiy <watcherhd@gmail.com> | 2012-10-12 10:49:29 +0000 | 
|---|---|---|
| committer | Vadim Dashevskiy <watcherhd@gmail.com> | 2012-10-12 10:49:29 +0000 | 
| commit | 557f2816f5cd30705dec989c97a8a67c026d36d1 (patch) | |
| tree | 4900789ab5d52219bf065744a61f9ea5863b3428 /plugins/FreeImage/Source/LibJPEG/jdtrans.c | |
| parent | 69fe21d6e2262d6fb2b14278b7a20364468cbdcf (diff) | |
FreeImage: folders restructurization
git-svn-id: http://svn.miranda-ng.org/main/trunk@1884 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/FreeImage/Source/LibJPEG/jdtrans.c')
| -rw-r--r-- | plugins/FreeImage/Source/LibJPEG/jdtrans.c | 140 | 
1 files changed, 0 insertions, 140 deletions
diff --git a/plugins/FreeImage/Source/LibJPEG/jdtrans.c b/plugins/FreeImage/Source/LibJPEG/jdtrans.c deleted file mode 100644 index 22dd47fb5c..0000000000 --- a/plugins/FreeImage/Source/LibJPEG/jdtrans.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * jdtrans.c - * - * Copyright (C) 1995-1997, Thomas G. Lane. - * Modified 2000-2009 by Guido Vollbeding. - * 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 library routines for transcoding decompression, - * that is, reading raw DCT coefficient arrays from an input JPEG file. - * The routines in jdapimin.c will also be needed by a transcoder. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* Forward declarations */ -LOCAL(void) transdecode_master_selection JPP((j_decompress_ptr cinfo)); - - -/* - * Read the coefficient arrays from a JPEG file. - * jpeg_read_header must be completed before calling this. - * - * The entire image is read into a set of virtual coefficient-block arrays, - * one per component.  The return value is a pointer to the array of - * virtual-array descriptors.  These can be manipulated directly via the - * JPEG memory manager, or handed off to jpeg_write_coefficients(). - * To release the memory occupied by the virtual arrays, call - * jpeg_finish_decompress() when done with the data. - * - * An alternative usage is to simply obtain access to the coefficient arrays - * during a buffered-image-mode decompression operation.  This is allowed - * after any jpeg_finish_output() call.  The arrays can be accessed until - * jpeg_finish_decompress() is called.  (Note that any call to the library - * may reposition the arrays, so don't rely on access_virt_barray() results - * to stay valid across library calls.) - * - * Returns NULL if suspended.  This case need be checked only if - * a suspending data source is used. - */ - -GLOBAL(jvirt_barray_ptr *) -jpeg_read_coefficients (j_decompress_ptr cinfo) -{ -  if (cinfo->global_state == DSTATE_READY) { -    /* First call: initialize active modules */ -    transdecode_master_selection(cinfo); -    cinfo->global_state = DSTATE_RDCOEFS; -  } -  if (cinfo->global_state == DSTATE_RDCOEFS) { -    /* Absorb whole file into the coef buffer */ -    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 NULL; -      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) { -	  /* startup underestimated number of scans; ratchet up one scan */ -	  cinfo->progress->pass_limit += (long) cinfo->total_iMCU_rows; -	} -      } -    } -    /* Set state so that jpeg_finish_decompress does the right thing */ -    cinfo->global_state = DSTATE_STOPPING; -  } -  /* At this point we should be in state DSTATE_STOPPING if being used -   * standalone, or in state DSTATE_BUFIMAGE if being invoked to get access -   * to the coefficients during a full buffered-image-mode decompression. -   */ -  if ((cinfo->global_state == DSTATE_STOPPING || -       cinfo->global_state == DSTATE_BUFIMAGE) && cinfo->buffered_image) { -    return cinfo->coef->coef_arrays; -  } -  /* Oops, improper usage */ -  ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); -  return NULL;			/* keep compiler happy */ -} - - -/* - * Master selection of decompression modules for transcoding. - * This substitutes for jdmaster.c's initialization of the full decompressor. - */ - -LOCAL(void) -transdecode_master_selection (j_decompress_ptr cinfo) -{ -  /* This is effectively a buffered-image operation. */ -  cinfo->buffered_image = TRUE; - -  /* Compute output image dimensions and related values. */ -  jpeg_core_output_dimensions(cinfo); - -  /* Entropy decoding: either Huffman or arithmetic coding. */ -  if (cinfo->arith_code) -    jinit_arith_decoder(cinfo); -  else { -    jinit_huff_decoder(cinfo); -  } - -  /* Always get a full-image coefficient buffer. */ -  jinit_d_coef_controller(cinfo, TRUE); - -  /* We can now tell the memory manager to allocate virtual arrays. */ -  (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo); - -  /* Initialize input side of decompressor to consume first scan. */ -  (*cinfo->inputctl->start_input_pass) (cinfo); - -  /* Initialize progress monitoring. */ -  if (cinfo->progress != NULL) { -    int nscans; -    /* Estimate number of scans to set pass_limit. */ -    if (cinfo->progressive_mode) { -      /* Arbitrarily estimate 2 interleaved DC scans + 3 AC scans/component. */ -      nscans = 2 + 3 * cinfo->num_components; -    } else if (cinfo->inputctl->has_multiple_scans) { -      /* For a nonprogressive multiscan file, estimate 1 scan per component. */ -      nscans = cinfo->num_components; -    } else { -      nscans = 1; -    } -    cinfo->progress->pass_counter = 0L; -    cinfo->progress->pass_limit = (long) cinfo->total_iMCU_rows * nscans; -    cinfo->progress->completed_passes = 0; -    cinfo->progress->total_passes = 1; -  } -}  | 
