diff options
author | Tom Sepez <tsepez@chromium.org> | 2015-06-17 15:46:03 -0700 |
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committer | Tom Sepez <tsepez@chromium.org> | 2015-06-17 15:46:03 -0700 |
commit | 0a11975b69d93edd9a65704ee9559774b7a35f5b (patch) | |
tree | d1a5a8fb5f12fd7a3708b346a6e889521b18ca37 /core/src/fxcodec/libjpeg/fpdfapi_jcomapi.c | |
parent | 8be557542973c786d1024a7bfb300df230f00464 (diff) | |
download | pdfium-0a11975b69d93edd9a65704ee9559774b7a35f5b.tar.xz |
Merge to XFA: Move libjpeg to third_party/
Original Review URL: https://codereview.chromium.org/1186113005.
TBR=thestig@chromium.org
Review URL: https://codereview.chromium.org/1175193007.
Diffstat (limited to 'core/src/fxcodec/libjpeg/fpdfapi_jcomapi.c')
-rw-r--r-- | core/src/fxcodec/libjpeg/fpdfapi_jcomapi.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/core/src/fxcodec/libjpeg/fpdfapi_jcomapi.c b/core/src/fxcodec/libjpeg/fpdfapi_jcomapi.c deleted file mode 100644 index aad37d8879..0000000000 --- a/core/src/fxcodec/libjpeg/fpdfapi_jcomapi.c +++ /dev/null @@ -1,109 +0,0 @@ -#if !defined(_FX_JPEG_TURBO_) -/* - * jcomapi.c - * - * Copyright (C) 1994-1997, 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 routines that are used for both - * compression and decompression. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* - * Abort processing of a JPEG compression or decompression operation, - * but don't destroy the object itself. - * - * For this, we merely clean up all the nonpermanent memory pools. - * Note that temp files (virtual arrays) are not allowed to belong to - * the permanent pool, so we will be able to close all temp files here. - * Closing a data source or destination, if necessary, is the application's - * responsibility. - */ - -GLOBAL(void) -jpeg_abort (j_common_ptr cinfo) -{ - int pool; - - /* Do nothing if called on a not-initialized or destroyed JPEG object. */ - if (cinfo->mem == NULL) - return; - - /* Releasing pools in reverse order might help avoid fragmentation - * with some (brain-damaged) malloc libraries. - */ - for (pool = JPOOL_NUMPOOLS-1; pool > JPOOL_PERMANENT; pool--) { - (*cinfo->mem->free_pool) (cinfo, pool); - } - - /* Reset overall state for possible reuse of object */ - if (cinfo->is_decompressor) { - cinfo->global_state = DSTATE_START; - /* Try to keep application from accessing now-deleted marker list. - * A bit kludgy to do it here, but this is the most central place. - */ - ((j_decompress_ptr) cinfo)->marker_list = NULL; - } else { - cinfo->global_state = CSTATE_START; - } -} - - -/* - * Destruction of a JPEG object. - * - * Everything gets deallocated except the master jpeg_compress_struct itself - * and the error manager struct. Both of these are supplied by the application - * and must be freed, if necessary, by the application. (Often they are on - * the stack and so don't need to be freed anyway.) - * Closing a data source or destination, if necessary, is the application's - * responsibility. - */ - -GLOBAL(void) -jpeg_destroy (j_common_ptr cinfo) -{ - /* We need only tell the memory manager to release everything. */ - /* NB: mem pointer is NULL if memory mgr failed to initialize. */ - if (cinfo->mem != NULL) - (*cinfo->mem->self_destruct) (cinfo); - cinfo->mem = NULL; /* be safe if jpeg_destroy is called twice */ - cinfo->global_state = 0; /* mark it destroyed */ -} - - -/* - * Convenience routines for allocating quantization and Huffman tables. - * (Would jutils.c be a more reasonable place to put these?) - */ - -GLOBAL(JQUANT_TBL *) -jpeg_alloc_quant_table (j_common_ptr cinfo) -{ - JQUANT_TBL *tbl; - - tbl = (JQUANT_TBL *) - (*cinfo->mem->alloc_small) (cinfo, JPOOL_PERMANENT, SIZEOF(JQUANT_TBL)); - tbl->sent_table = FALSE; /* make sure this is false in any new table */ - return tbl; -} - - -GLOBAL(JHUFF_TBL *) -jpeg_alloc_huff_table (j_common_ptr cinfo) -{ - JHUFF_TBL *tbl; - - tbl = (JHUFF_TBL *) - (*cinfo->mem->alloc_small) (cinfo, JPOOL_PERMANENT, SIZEOF(JHUFF_TBL)); - tbl->sent_table = FALSE; /* make sure this is false in any new table */ - return tbl; -} - -#endif //_FX_JPEG_TURBO_ |