diff options
Diffstat (limited to 'jpeg/jquant2.c')
| -rw-r--r-- | jpeg/jquant2.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/jpeg/jquant2.c b/jpeg/jquant2.c index 38fc2af7..662b9bce 100644 --- a/jpeg/jquant2.c +++ b/jpeg/jquant2.c @@ -2,7 +2,7 @@ * jquant2.c * * Copyright (C) 1991-1996, Thomas G. Lane. - * Modified 2011 by Guido Vollbeding. + * Modified 2011-2020 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. * @@ -1197,8 +1197,8 @@ start_pass_2_quant (j_decompress_ptr cinfo, boolean is_pre_scan) ERREXIT1(cinfo, JERR_QUANT_MANY_COLORS, MAXNUMCOLORS); if (cinfo->dither_mode == JDITHER_FS) { - size_t arraysize = (size_t) ((cinfo->output_width + 2) * - (3 * SIZEOF(FSERROR))); + size_t arraysize = ((size_t) cinfo->output_width + (size_t) 2) + * (3 * SIZEOF(FSERROR)); /* Allocate Floyd-Steinberg workspace if we didn't already. */ if (cquantize->fserrors == NULL) cquantize->fserrors = (FSERRPTR) (*cinfo->mem->alloc_large) @@ -1247,10 +1247,9 @@ jinit_2pass_quantizer (j_decompress_ptr cinfo) my_cquantize_ptr cquantize; int i; - cquantize = (my_cquantize_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_cquantizer)); - cinfo->cquantize = (struct jpeg_color_quantizer *) cquantize; + cquantize = (my_cquantize_ptr) (*cinfo->mem->alloc_small) + ((j_common_ptr) cinfo, JPOOL_IMAGE, SIZEOF(my_cquantizer)); + cinfo->cquantize = &cquantize->pub; cquantize->pub.start_pass = start_pass_2_quant; cquantize->pub.new_color_map = new_color_map_2_quant; cquantize->fserrors = NULL; /* flag optional arrays not allocated */ @@ -1284,7 +1283,8 @@ jinit_2pass_quantizer (j_decompress_ptr cinfo) if (desired > MAXNUMCOLORS) ERREXIT1(cinfo, JERR_QUANT_MANY_COLORS, MAXNUMCOLORS); cquantize->sv_colormap = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo,JPOOL_IMAGE, (JDIMENSION) desired, (JDIMENSION) 3); + ((j_common_ptr) cinfo, JPOOL_IMAGE, + (JDIMENSION) desired, (JDIMENSION) 3); cquantize->desired = desired; } else cquantize->sv_colormap = NULL; @@ -1302,7 +1302,7 @@ jinit_2pass_quantizer (j_decompress_ptr cinfo) if (cinfo->dither_mode == JDITHER_FS) { cquantize->fserrors = (FSERRPTR) (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (size_t) ((cinfo->output_width + 2) * (3 * SIZEOF(FSERROR)))); + ((size_t) cinfo->output_width + (size_t) 2) * (3 * SIZEOF(FSERROR))); /* Might as well create the error-limiting table too. */ init_error_limit(cinfo); } |