diff options
Diffstat (limited to 'cdjpeg.h')
| -rw-r--r-- | cdjpeg.h | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -3,8 +3,8 @@ * * This file was part of the Independent JPEG Group's software: * Copyright (C) 1994-1997, Thomas G. Lane. - * It was modified by The libjpeg-turbo Project to include only code relevant - * to libjpeg-turbo. + * libjpeg-turbo Modifications: + * Copyright (C) 2017, D. R. Commander. * For conditions of distribution and use, see the accompanying README.ijg * file. * @@ -54,6 +54,14 @@ struct djpeg_dest_struct { JDIMENSION rows_supplied); /* Finish up at the end of the image. */ void (*finish_output) (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo); + /* Re-calculate buffer dimensions based on output dimensions (for use with + partial image decompression.) If this is NULL, then the output format + does not support partial image decompression (BMP and RLE, in particular, + cannot support partial decompression because they use an inversion buffer + to write the image in bottom-up order.) */ + void (*calc_buffer_dimensions) (j_decompress_ptr cinfo, + djpeg_dest_ptr dinfo); + /* Target file spec; filled in by djpeg.c after object is created. */ FILE *output_file; |