- cximagemng_src.zip
- CxImage
- cximamng.htm
- CxImgLib.dsw
- demo
- flake.mng
- jpeg
- change.log
- filelist.txt
- Jcapimin.c
- JCAPISTD.C
- JCCOEFCT.C
- JCCOLOR.C
- JCDCTMGR.C
- JCHUFF.C
- JCHUFF.H
- JCINIT.C
- JCMAINCT.C
- JCMARKER.C
- JCMASTER.C
- JCOMAPI.C
- Jconfig.h
- JCPARAM.C
- JCPHUFF.C
- JCPREPCT.C
- JCSAMPLE.C
- JCTRANS.C
- Jdapimin.c
- JDAPISTD.C
- JDATADST.C
- JDATASRC.C
- JDCOEFCT.C
- JDCOLOR.C
- JDCT.H
- JDDCTMGR.C
- JDHUFF.C
- JDHUFF.H
- JDINPUT.C
- JDMAINCT.C
- JDMARKER.C
- JDMASTER.C
- JDMERGE.C
- JDPHUFF.C
- JDPOSTCT.C
- JDSAMPLE.C
- JDTRANS.C
- JERROR.C
- JERROR.H
- JFDCTFLT.C
- JFDCTFST.C
- JFDCTINT.C
- JIDCTFLT.C
- JIDCTFST.C
- JIDCTINT.C
- JIDCTRED.C
- JINCLUDE.H
- JMEMMGR.C
- JMEMNOBS.C
- JMEMSYS.H
- Jmorecfg.h
- Jpeg.dsp
- Jpeg.dsw
- JPEGINT.H
- JPEGLIB.H
- JQUANT1.C
- JQUANT2.C
- JUTILS.C
- JVERSION.H
- Readme.txt
- mng
- text1.mng
- text2.mng
- zlib
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/*
* jcinit.c
*
* Copyright (C) 1991-1997, 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 initialization logic for the JPEG compressor.
* This routine is in charge of selecting the modules to be executed and
* making an initialization call to each one.
*
* Logically, this code belongs in jcmaster.c. It's split out because
* linking this routine implies linking the entire compression library.
* For a transcoding-only application, we want to be able to use jcmaster.c
* without linking in the whole library.
*/
#define JPEG_INTERNALS
#include "jinclude.h"
#include "jpeglib.h"
/*
* Master selection of compression modules.
* This is done once at the start of processing an image. We determine
* which modules will be used and give them appropriate initialization calls.
*/
GLOBAL(void)
jinit_compress_master (j_compress_ptr cinfo)
{
/* Initialize master control (includes parameter checking/processing) */
jinit_c_master_control(cinfo, FALSE /* full compression */);
/* Preprocessing */
if (! cinfo->raw_data_in) {
jinit_color_converter(cinfo);
jinit_downsampler(cinfo);
jinit_c_prep_controller(cinfo, FALSE /* never need full buffer here */);
}
/* Forward DCT */
jinit_forward_dct(cinfo);
/* Entropy encoding: either Huffman or arithmetic coding. */
if (cinfo->arith_code) {
ERREXIT(cinfo, JERR_ARITH_NOTIMPL);
} else {
if (cinfo->progressive_mode) {
#ifdef C_PROGRESSIVE_SUPPORTED
jinit_phuff_encoder(cinfo);
#else
ERREXIT(cinfo, JERR_NOT_COMPILED);
#endif
} else
jinit_huff_encoder(cinfo);
}
/* Need a full-image coefficient buffer in any multi-pass mode. */
jinit_c_coef_controller(cinfo,
(boolean) (cinfo->num_scans > 1 || cinfo->optimize_coding));
jinit_c_main_controller(cinfo, FALSE /* never need full buffer here */);
jinit_marker_writer(cinfo);
/* We can now tell the memory manager to allocate virtual arrays. */
(*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo);
/* Write the datastream header (SOI) immediately.
* Frame and scan headers are postponed till later.
* This lets application insert special markers after the SOI.
*/
(*cinfo->marker->write_file_header) (cinfo);
}
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