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/jcmarker.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/jcmarker.c')
| -rw-r--r-- | plugins/FreeImage/Source/LibJPEG/jcmarker.c | 682 | 
1 files changed, 0 insertions, 682 deletions
diff --git a/plugins/FreeImage/Source/LibJPEG/jcmarker.c b/plugins/FreeImage/Source/LibJPEG/jcmarker.c deleted file mode 100644 index 606c19af39..0000000000 --- a/plugins/FreeImage/Source/LibJPEG/jcmarker.c +++ /dev/null @@ -1,682 +0,0 @@ -/* - * jcmarker.c - * - * Copyright (C) 1991-1998, Thomas G. Lane. - * Modified 2003-2010 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 routines to write JPEG datastream markers. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -typedef enum {			/* JPEG marker codes */ -  M_SOF0  = 0xc0, -  M_SOF1  = 0xc1, -  M_SOF2  = 0xc2, -  M_SOF3  = 0xc3, -   -  M_SOF5  = 0xc5, -  M_SOF6  = 0xc6, -  M_SOF7  = 0xc7, -   -  M_JPG   = 0xc8, -  M_SOF9  = 0xc9, -  M_SOF10 = 0xca, -  M_SOF11 = 0xcb, -   -  M_SOF13 = 0xcd, -  M_SOF14 = 0xce, -  M_SOF15 = 0xcf, -   -  M_DHT   = 0xc4, -   -  M_DAC   = 0xcc, -   -  M_RST0  = 0xd0, -  M_RST1  = 0xd1, -  M_RST2  = 0xd2, -  M_RST3  = 0xd3, -  M_RST4  = 0xd4, -  M_RST5  = 0xd5, -  M_RST6  = 0xd6, -  M_RST7  = 0xd7, -   -  M_SOI   = 0xd8, -  M_EOI   = 0xd9, -  M_SOS   = 0xda, -  M_DQT   = 0xdb, -  M_DNL   = 0xdc, -  M_DRI   = 0xdd, -  M_DHP   = 0xde, -  M_EXP   = 0xdf, -   -  M_APP0  = 0xe0, -  M_APP1  = 0xe1, -  M_APP2  = 0xe2, -  M_APP3  = 0xe3, -  M_APP4  = 0xe4, -  M_APP5  = 0xe5, -  M_APP6  = 0xe6, -  M_APP7  = 0xe7, -  M_APP8  = 0xe8, -  M_APP9  = 0xe9, -  M_APP10 = 0xea, -  M_APP11 = 0xeb, -  M_APP12 = 0xec, -  M_APP13 = 0xed, -  M_APP14 = 0xee, -  M_APP15 = 0xef, -   -  M_JPG0  = 0xf0, -  M_JPG13 = 0xfd, -  M_COM   = 0xfe, -   -  M_TEM   = 0x01, -   -  M_ERROR = 0x100 -} JPEG_MARKER; - - -/* Private state */ - -typedef struct { -  struct jpeg_marker_writer pub; /* public fields */ - -  unsigned int last_restart_interval; /* last DRI value emitted; 0 after SOI */ -} my_marker_writer; - -typedef my_marker_writer * my_marker_ptr; - - -/* - * Basic output routines. - * - * Note that we do not support suspension while writing a marker. - * Therefore, an application using suspension must ensure that there is - * enough buffer space for the initial markers (typ. 600-700 bytes) before - * calling jpeg_start_compress, and enough space to write the trailing EOI - * (a few bytes) before calling jpeg_finish_compress.  Multipass compression - * modes are not supported at all with suspension, so those two are the only - * points where markers will be written. - */ - -LOCAL(void) -emit_byte (j_compress_ptr cinfo, int val) -/* Emit a byte */ -{ -  struct jpeg_destination_mgr * dest = cinfo->dest; - -  *(dest->next_output_byte)++ = (JOCTET) val; -  if (--dest->free_in_buffer == 0) { -    if (! (*dest->empty_output_buffer) (cinfo)) -      ERREXIT(cinfo, JERR_CANT_SUSPEND); -  } -} - - -LOCAL(void) -emit_marker (j_compress_ptr cinfo, JPEG_MARKER mark) -/* Emit a marker code */ -{ -  emit_byte(cinfo, 0xFF); -  emit_byte(cinfo, (int) mark); -} - - -LOCAL(void) -emit_2bytes (j_compress_ptr cinfo, int value) -/* Emit a 2-byte integer; these are always MSB first in JPEG files */ -{ -  emit_byte(cinfo, (value >> 8) & 0xFF); -  emit_byte(cinfo, value & 0xFF); -} - - -/* - * Routines to write specific marker types. - */ - -LOCAL(int) -emit_dqt (j_compress_ptr cinfo, int index) -/* Emit a DQT marker */ -/* Returns the precision used (0 = 8bits, 1 = 16bits) for baseline checking */ -{ -  JQUANT_TBL * qtbl = cinfo->quant_tbl_ptrs[index]; -  int prec; -  int i; - -  if (qtbl == NULL) -    ERREXIT1(cinfo, JERR_NO_QUANT_TABLE, index); - -  prec = 0; -  for (i = 0; i <= cinfo->lim_Se; i++) { -    if (qtbl->quantval[cinfo->natural_order[i]] > 255) -      prec = 1; -  } - -  if (! qtbl->sent_table) { -    emit_marker(cinfo, M_DQT); - -    emit_2bytes(cinfo, -      prec ? cinfo->lim_Se * 2 + 2 + 1 + 2 : cinfo->lim_Se + 1 + 1 + 2); - -    emit_byte(cinfo, index + (prec<<4)); - -    for (i = 0; i <= cinfo->lim_Se; i++) { -      /* The table entries must be emitted in zigzag order. */ -      unsigned int qval = qtbl->quantval[cinfo->natural_order[i]]; -      if (prec) -	emit_byte(cinfo, (int) (qval >> 8)); -      emit_byte(cinfo, (int) (qval & 0xFF)); -    } - -    qtbl->sent_table = TRUE; -  } - -  return prec; -} - - -LOCAL(void) -emit_dht (j_compress_ptr cinfo, int index, boolean is_ac) -/* Emit a DHT marker */ -{ -  JHUFF_TBL * htbl; -  int length, i; -   -  if (is_ac) { -    htbl = cinfo->ac_huff_tbl_ptrs[index]; -    index += 0x10;		/* output index has AC bit set */ -  } else { -    htbl = cinfo->dc_huff_tbl_ptrs[index]; -  } - -  if (htbl == NULL) -    ERREXIT1(cinfo, JERR_NO_HUFF_TABLE, index); -   -  if (! htbl->sent_table) { -    emit_marker(cinfo, M_DHT); -     -    length = 0; -    for (i = 1; i <= 16; i++) -      length += htbl->bits[i]; -     -    emit_2bytes(cinfo, length + 2 + 1 + 16); -    emit_byte(cinfo, index); -     -    for (i = 1; i <= 16; i++) -      emit_byte(cinfo, htbl->bits[i]); -     -    for (i = 0; i < length; i++) -      emit_byte(cinfo, htbl->huffval[i]); -     -    htbl->sent_table = TRUE; -  } -} - - -LOCAL(void) -emit_dac (j_compress_ptr cinfo) -/* Emit a DAC marker */ -/* Since the useful info is so small, we want to emit all the tables in */ -/* one DAC marker.  Therefore this routine does its own scan of the table. */ -{ -#ifdef C_ARITH_CODING_SUPPORTED -  char dc_in_use[NUM_ARITH_TBLS]; -  char ac_in_use[NUM_ARITH_TBLS]; -  int length, i; -  jpeg_component_info *compptr; - -  for (i = 0; i < NUM_ARITH_TBLS; i++) -    dc_in_use[i] = ac_in_use[i] = 0; - -  for (i = 0; i < cinfo->comps_in_scan; i++) { -    compptr = cinfo->cur_comp_info[i]; -    /* DC needs no table for refinement scan */ -    if (cinfo->Ss == 0 && cinfo->Ah == 0) -      dc_in_use[compptr->dc_tbl_no] = 1; -    /* AC needs no table when not present */ -    if (cinfo->Se) -      ac_in_use[compptr->ac_tbl_no] = 1; -  } - -  length = 0; -  for (i = 0; i < NUM_ARITH_TBLS; i++) -    length += dc_in_use[i] + ac_in_use[i]; - -  if (length) { -    emit_marker(cinfo, M_DAC); - -    emit_2bytes(cinfo, length*2 + 2); - -    for (i = 0; i < NUM_ARITH_TBLS; i++) { -      if (dc_in_use[i]) { -	emit_byte(cinfo, i); -	emit_byte(cinfo, cinfo->arith_dc_L[i] + (cinfo->arith_dc_U[i]<<4)); -      } -      if (ac_in_use[i]) { -	emit_byte(cinfo, i + 0x10); -	emit_byte(cinfo, cinfo->arith_ac_K[i]); -      } -    } -  } -#endif /* C_ARITH_CODING_SUPPORTED */ -} - - -LOCAL(void) -emit_dri (j_compress_ptr cinfo) -/* Emit a DRI marker */ -{ -  emit_marker(cinfo, M_DRI); -   -  emit_2bytes(cinfo, 4);	/* fixed length */ - -  emit_2bytes(cinfo, (int) cinfo->restart_interval); -} - - -LOCAL(void) -emit_sof (j_compress_ptr cinfo, JPEG_MARKER code) -/* Emit a SOF marker */ -{ -  int ci; -  jpeg_component_info *compptr; -   -  emit_marker(cinfo, code); -   -  emit_2bytes(cinfo, 3 * cinfo->num_components + 2 + 5 + 1); /* length */ - -  /* Make sure image isn't bigger than SOF field can handle */ -  if ((long) cinfo->jpeg_height > 65535L || -      (long) cinfo->jpeg_width > 65535L) -    ERREXIT1(cinfo, JERR_IMAGE_TOO_BIG, (unsigned int) 65535); - -  emit_byte(cinfo, cinfo->data_precision); -  emit_2bytes(cinfo, (int) cinfo->jpeg_height); -  emit_2bytes(cinfo, (int) cinfo->jpeg_width); - -  emit_byte(cinfo, cinfo->num_components); - -  for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; -       ci++, compptr++) { -    emit_byte(cinfo, compptr->component_id); -    emit_byte(cinfo, (compptr->h_samp_factor << 4) + compptr->v_samp_factor); -    emit_byte(cinfo, compptr->quant_tbl_no); -  } -} - - -LOCAL(void) -emit_sos (j_compress_ptr cinfo) -/* Emit a SOS marker */ -{ -  int i, td, ta; -  jpeg_component_info *compptr; -   -  emit_marker(cinfo, M_SOS); -   -  emit_2bytes(cinfo, 2 * cinfo->comps_in_scan + 2 + 1 + 3); /* length */ -   -  emit_byte(cinfo, cinfo->comps_in_scan); -   -  for (i = 0; i < cinfo->comps_in_scan; i++) { -    compptr = cinfo->cur_comp_info[i]; -    emit_byte(cinfo, compptr->component_id); - -    /* We emit 0 for unused field(s); this is recommended by the P&M text -     * but does not seem to be specified in the standard. -     */ - -    /* DC needs no table for refinement scan */ -    td = cinfo->Ss == 0 && cinfo->Ah == 0 ? compptr->dc_tbl_no : 0; -    /* AC needs no table when not present */ -    ta = cinfo->Se ? compptr->ac_tbl_no : 0; - -    emit_byte(cinfo, (td << 4) + ta); -  } - -  emit_byte(cinfo, cinfo->Ss); -  emit_byte(cinfo, cinfo->Se); -  emit_byte(cinfo, (cinfo->Ah << 4) + cinfo->Al); -} - - -LOCAL(void) -emit_pseudo_sos (j_compress_ptr cinfo) -/* Emit a pseudo SOS marker */ -{ -  emit_marker(cinfo, M_SOS); -   -  emit_2bytes(cinfo, 2 + 1 + 3); /* length */ -   -  emit_byte(cinfo, 0); /* Ns */ - -  emit_byte(cinfo, 0); /* Ss */ -  emit_byte(cinfo, cinfo->block_size * cinfo->block_size - 1); /* Se */ -  emit_byte(cinfo, 0); /* Ah/Al */ -} - - -LOCAL(void) -emit_jfif_app0 (j_compress_ptr cinfo) -/* Emit a JFIF-compliant APP0 marker */ -{ -  /* -   * Length of APP0 block	(2 bytes) -   * Block ID			(4 bytes - ASCII "JFIF") -   * Zero byte			(1 byte to terminate the ID string) -   * Version Major, Minor	(2 bytes - major first) -   * Units			(1 byte - 0x00 = none, 0x01 = inch, 0x02 = cm) -   * Xdpu			(2 bytes - dots per unit horizontal) -   * Ydpu			(2 bytes - dots per unit vertical) -   * Thumbnail X size		(1 byte) -   * Thumbnail Y size		(1 byte) -   */ -   -  emit_marker(cinfo, M_APP0); -   -  emit_2bytes(cinfo, 2 + 4 + 1 + 2 + 1 + 2 + 2 + 1 + 1); /* length */ - -  emit_byte(cinfo, 0x4A);	/* Identifier: ASCII "JFIF" */ -  emit_byte(cinfo, 0x46); -  emit_byte(cinfo, 0x49); -  emit_byte(cinfo, 0x46); -  emit_byte(cinfo, 0); -  emit_byte(cinfo, cinfo->JFIF_major_version); /* Version fields */ -  emit_byte(cinfo, cinfo->JFIF_minor_version); -  emit_byte(cinfo, cinfo->density_unit); /* Pixel size information */ -  emit_2bytes(cinfo, (int) cinfo->X_density); -  emit_2bytes(cinfo, (int) cinfo->Y_density); -  emit_byte(cinfo, 0);		/* No thumbnail image */ -  emit_byte(cinfo, 0); -} - - -LOCAL(void) -emit_adobe_app14 (j_compress_ptr cinfo) -/* Emit an Adobe APP14 marker */ -{ -  /* -   * Length of APP14 block	(2 bytes) -   * Block ID			(5 bytes - ASCII "Adobe") -   * Version Number		(2 bytes - currently 100) -   * Flags0			(2 bytes - currently 0) -   * Flags1			(2 bytes - currently 0) -   * Color transform		(1 byte) -   * -   * Although Adobe TN 5116 mentions Version = 101, all the Adobe files -   * now in circulation seem to use Version = 100, so that's what we write. -   * -   * We write the color transform byte as 1 if the JPEG color space is -   * YCbCr, 2 if it's YCCK, 0 otherwise.  Adobe's definition has to do with -   * whether the encoder performed a transformation, which is pretty useless. -   */ -   -  emit_marker(cinfo, M_APP14); -   -  emit_2bytes(cinfo, 2 + 5 + 2 + 2 + 2 + 1); /* length */ - -  emit_byte(cinfo, 0x41);	/* Identifier: ASCII "Adobe" */ -  emit_byte(cinfo, 0x64); -  emit_byte(cinfo, 0x6F); -  emit_byte(cinfo, 0x62); -  emit_byte(cinfo, 0x65); -  emit_2bytes(cinfo, 100);	/* Version */ -  emit_2bytes(cinfo, 0);	/* Flags0 */ -  emit_2bytes(cinfo, 0);	/* Flags1 */ -  switch (cinfo->jpeg_color_space) { -  case JCS_YCbCr: -    emit_byte(cinfo, 1);	/* Color transform = 1 */ -    break; -  case JCS_YCCK: -    emit_byte(cinfo, 2);	/* Color transform = 2 */ -    break; -  default: -    emit_byte(cinfo, 0);	/* Color transform = 0 */ -    break; -  } -} - - -/* - * These routines allow writing an arbitrary marker with parameters. - * The only intended use is to emit COM or APPn markers after calling - * write_file_header and before calling write_frame_header. - * Other uses are not guaranteed to produce desirable results. - * Counting the parameter bytes properly is the caller's responsibility. - */ - -METHODDEF(void) -write_marker_header (j_compress_ptr cinfo, int marker, unsigned int datalen) -/* Emit an arbitrary marker header */ -{ -  if (datalen > (unsigned int) 65533)		/* safety check */ -    ERREXIT(cinfo, JERR_BAD_LENGTH); - -  emit_marker(cinfo, (JPEG_MARKER) marker); - -  emit_2bytes(cinfo, (int) (datalen + 2));	/* total length */ -} - -METHODDEF(void) -write_marker_byte (j_compress_ptr cinfo, int val) -/* Emit one byte of marker parameters following write_marker_header */ -{ -  emit_byte(cinfo, val); -} - - -/* - * Write datastream header. - * This consists of an SOI and optional APPn markers. - * We recommend use of the JFIF marker, but not the Adobe marker, - * when using YCbCr or grayscale data.  The JFIF marker should NOT - * be used for any other JPEG colorspace.  The Adobe marker is helpful - * to distinguish RGB, CMYK, and YCCK colorspaces. - * Note that an application can write additional header markers after - * jpeg_start_compress returns. - */ - -METHODDEF(void) -write_file_header (j_compress_ptr cinfo) -{ -  my_marker_ptr marker = (my_marker_ptr) cinfo->marker; - -  emit_marker(cinfo, M_SOI);	/* first the SOI */ - -  /* SOI is defined to reset restart interval to 0 */ -  marker->last_restart_interval = 0; - -  if (cinfo->write_JFIF_header)	/* next an optional JFIF APP0 */ -    emit_jfif_app0(cinfo); -  if (cinfo->write_Adobe_marker) /* next an optional Adobe APP14 */ -    emit_adobe_app14(cinfo); -} - - -/* - * Write frame header. - * This consists of DQT and SOFn markers, and a conditional pseudo SOS marker. - * Note that we do not emit the SOF until we have emitted the DQT(s). - * This avoids compatibility problems with incorrect implementations that - * try to error-check the quant table numbers as soon as they see the SOF. - */ - -METHODDEF(void) -write_frame_header (j_compress_ptr cinfo) -{ -  int ci, prec; -  boolean is_baseline; -  jpeg_component_info *compptr; -   -  /* Emit DQT for each quantization table. -   * Note that emit_dqt() suppresses any duplicate tables. -   */ -  prec = 0; -  for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; -       ci++, compptr++) { -    prec += emit_dqt(cinfo, compptr->quant_tbl_no); -  } -  /* now prec is nonzero iff there are any 16-bit quant tables. */ - -  /* Check for a non-baseline specification. -   * Note we assume that Huffman table numbers won't be changed later. -   */ -  if (cinfo->arith_code || cinfo->progressive_mode || -      cinfo->data_precision != 8 || cinfo->block_size != DCTSIZE) { -    is_baseline = FALSE; -  } else { -    is_baseline = TRUE; -    for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; -	 ci++, compptr++) { -      if (compptr->dc_tbl_no > 1 || compptr->ac_tbl_no > 1) -	is_baseline = FALSE; -    } -    if (prec && is_baseline) { -      is_baseline = FALSE; -      /* If it's baseline except for quantizer size, warn the user */ -      TRACEMS(cinfo, 0, JTRC_16BIT_TABLES); -    } -  } - -  /* Emit the proper SOF marker */ -  if (cinfo->arith_code) { -    if (cinfo->progressive_mode) -      emit_sof(cinfo, M_SOF10); /* SOF code for progressive arithmetic */ -    else -      emit_sof(cinfo, M_SOF9);  /* SOF code for sequential arithmetic */ -  } else { -    if (cinfo->progressive_mode) -      emit_sof(cinfo, M_SOF2);	/* SOF code for progressive Huffman */ -    else if (is_baseline) -      emit_sof(cinfo, M_SOF0);	/* SOF code for baseline implementation */ -    else -      emit_sof(cinfo, M_SOF1);	/* SOF code for non-baseline Huffman file */ -  } - -  /* Check to emit pseudo SOS marker */ -  if (cinfo->progressive_mode && cinfo->block_size != DCTSIZE) -    emit_pseudo_sos(cinfo); -} - - -/* - * Write scan header. - * This consists of DHT or DAC markers, optional DRI, and SOS. - * Compressed data will be written following the SOS. - */ - -METHODDEF(void) -write_scan_header (j_compress_ptr cinfo) -{ -  my_marker_ptr marker = (my_marker_ptr) cinfo->marker; -  int i; -  jpeg_component_info *compptr; - -  if (cinfo->arith_code) { -    /* Emit arith conditioning info.  We may have some duplication -     * if the file has multiple scans, but it's so small it's hardly -     * worth worrying about. -     */ -    emit_dac(cinfo); -  } else { -    /* Emit Huffman tables. -     * Note that emit_dht() suppresses any duplicate tables. -     */ -    for (i = 0; i < cinfo->comps_in_scan; i++) { -      compptr = cinfo->cur_comp_info[i]; -      /* DC needs no table for refinement scan */ -      if (cinfo->Ss == 0 && cinfo->Ah == 0) -	emit_dht(cinfo, compptr->dc_tbl_no, FALSE); -      /* AC needs no table when not present */ -      if (cinfo->Se) -	emit_dht(cinfo, compptr->ac_tbl_no, TRUE); -    } -  } - -  /* Emit DRI if required --- note that DRI value could change for each scan. -   * We avoid wasting space with unnecessary DRIs, however. -   */ -  if (cinfo->restart_interval != marker->last_restart_interval) { -    emit_dri(cinfo); -    marker->last_restart_interval = cinfo->restart_interval; -  } - -  emit_sos(cinfo); -} - - -/* - * Write datastream trailer. - */ - -METHODDEF(void) -write_file_trailer (j_compress_ptr cinfo) -{ -  emit_marker(cinfo, M_EOI); -} - - -/* - * Write an abbreviated table-specification datastream. - * This consists of SOI, DQT and DHT tables, and EOI. - * Any table that is defined and not marked sent_table = TRUE will be - * emitted.  Note that all tables will be marked sent_table = TRUE at exit. - */ - -METHODDEF(void) -write_tables_only (j_compress_ptr cinfo) -{ -  int i; - -  emit_marker(cinfo, M_SOI); - -  for (i = 0; i < NUM_QUANT_TBLS; i++) { -    if (cinfo->quant_tbl_ptrs[i] != NULL) -      (void) emit_dqt(cinfo, i); -  } - -  if (! cinfo->arith_code) { -    for (i = 0; i < NUM_HUFF_TBLS; i++) { -      if (cinfo->dc_huff_tbl_ptrs[i] != NULL) -	emit_dht(cinfo, i, FALSE); -      if (cinfo->ac_huff_tbl_ptrs[i] != NULL) -	emit_dht(cinfo, i, TRUE); -    } -  } - -  emit_marker(cinfo, M_EOI); -} - - -/* - * Initialize the marker writer module. - */ - -GLOBAL(void) -jinit_marker_writer (j_compress_ptr cinfo) -{ -  my_marker_ptr marker; - -  /* Create the subobject */ -  marker = (my_marker_ptr) -    (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, -				SIZEOF(my_marker_writer)); -  cinfo->marker = (struct jpeg_marker_writer *) marker; -  /* Initialize method pointers */ -  marker->pub.write_file_header = write_file_header; -  marker->pub.write_frame_header = write_frame_header; -  marker->pub.write_scan_header = write_scan_header; -  marker->pub.write_file_trailer = write_file_trailer; -  marker->pub.write_tables_only = write_tables_only; -  marker->pub.write_marker_header = write_marker_header; -  marker->pub.write_marker_byte = write_marker_byte; -  /* Initialize private state */ -  marker->last_restart_interval = 0; -}  | 
