kopia lustrzana https://gitlab.com/sane-project/backends
56 wiersze
1.8 KiB
C
56 wiersze
1.8 KiB
C
/*
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* cdjpeg.h
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*
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* Copyright (C) 1994-1996, Thomas G. Lane.
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* This file is part of the Independent JPEG Group's software.
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* For conditions of distribution and use, see the accompanying README file.
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*
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* This file contains common declarations for the sample applications
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* cjpeg and djpeg. It is NOT used by the core JPEG library.
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*/
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#define JPEG_CJPEG_DJPEG /* define proper options in jconfig.h */
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#define JPEG_INTERNAL_OPTIONS /* cjpeg.c,djpeg.c need to see xxx_SUPPORTED */
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#include "sane/sanei_jinclude.h"
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#include "jpeglib.h"
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#include "jerror.h" /* get library error codes too */
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#include "sane/sanei_cderror.h" /* get application-specific error codes */
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/*
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* Object interface for djpeg's output file encoding modules
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*/
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typedef struct djpeg_dest_struct * djpeg_dest_ptr;
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struct djpeg_dest_struct {
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/* start_output is called after jpeg_start_decompress finishes.
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* The color map will be ready at this time, if one is needed.
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*/
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JMETHOD(void, start_output, (j_decompress_ptr cinfo,
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djpeg_dest_ptr dinfo));
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/* Emit the specified number of pixel rows from the buffer. */
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JMETHOD(void, put_pixel_rows, (j_decompress_ptr cinfo,
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djpeg_dest_ptr dinfo,
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JDIMENSION rows_supplied,
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char *data));
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/* Finish up at the end of the image. */
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JMETHOD(void, finish_output, (j_decompress_ptr cinfo,
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djpeg_dest_ptr dinfo));
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/* Target file spec; filled in by djpeg.c after object is created. */
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FILE * output_file;
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/* Output pixel-row buffer. Created by module init or start_output.
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* Width is cinfo->output_width * cinfo->output_components;
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* height is buffer_height.
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*/
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JSAMPARRAY buffer;
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JDIMENSION buffer_height;
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};
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/* Module selection routines for I/O modules. */
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EXTERN(djpeg_dest_ptr) sanei_jpeg_jinit_write_ppm JPP((j_decompress_ptr cinfo));
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/* miscellaneous useful macros */
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