diff options
Diffstat (limited to 'converter/ppm/ximtoppm.c')
| -rw-r--r-- | converter/ppm/ximtoppm.c | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/converter/ppm/ximtoppm.c b/converter/ppm/ximtoppm.c index 75faac69..96209425 100644 --- a/converter/ppm/ximtoppm.c +++ b/converter/ppm/ximtoppm.c @@ -50,7 +50,7 @@ parseCommandLine(int argc, char ** argv, unsigned int alphaoutSpec; option_def_index = 0; /* incremented by OPTENT3 */ - OPTENT3(0, "alphaout", OPT_STRING, + OPTENT3(0, "alphaout", OPT_STRING, &cmdlineP->alpha_filename, &alphaoutSpec, 0); opt.opt_table = option_def; @@ -67,21 +67,21 @@ parseCommandLine(int argc, char ** argv, cmdlineP->input_filename = "-"; /* he wants stdin */ else if (argc - 1 == 1) cmdlineP->input_filename = strdup(argv[1]); - else + else pm_error("Too many arguments. The only argument accepted " "is the input file specification"); - if (cmdlineP->alpha_filename && + if (cmdlineP->alpha_filename && streq(cmdlineP->alpha_filename, "-")) cmdlineP->alpha_stdout = TRUE; - else + else cmdlineP->alpha_stdout = FALSE; } /* The subroutines are excerpted and slightly modified from the - X.V11R4 version of xim_io.c. + X.V11R4 version of xim_io.c. */ static int @@ -143,7 +143,7 @@ ReadXimHeader(FILE * const in_fp, header->width = atoi(a_head.image_width); strncpy(header->program, a_head.program,strlen(a_head.program)); } - /* Do double checking for bakwards compatibility */ + /* Do double checking for backwards compatibility */ if (header->npics == 0) header->npics = 1; if (header->bits_channel == 0) @@ -153,7 +153,7 @@ ReadXimHeader(FILE * const in_fp, header->bits_channel = 8; } if ((int)header->bytes_per_line == 0) - header->bytes_per_line = + header->bytes_per_line = (header->bits_channel == 1 && header->nchannels == 1) ? (header->width + 7) / 8 : header->width; @@ -209,7 +209,7 @@ ReadImageChannel(FILE * const infp, } marker += i; } - /* return to the beginning of the next image's bufffer */ + /* return to the beginning of the next image's buffer */ if (fseek(infp, marker, 0) == -1) { pm_message("ReadImageChannel: can't fseek to location in image buffer" ); return(0); @@ -294,7 +294,7 @@ ReadXimImage(FILE * const in_fp, * Author: Philip Thompson * $Date: 89/11/01 10:14:23 $ * $Revision: 1.14 $ -* Purpose: General xim libray of utililities +* Purpose: General xim library of utililities * Copyright (c) 1988 Philip R. Thompson * Computer Resource Laboratory (CRL) * Dept. of Architecture and Planning @@ -356,21 +356,21 @@ main(int argc, ppm_init(&argc, argv); parseCommandLine(argc, argv, &cmdline); - + ifP = pm_openr(cmdline.input_filename); - + if (cmdline.alpha_stdout) alpha_file = stdout; - else if (cmdline.alpha_filename == NULL) + else if (cmdline.alpha_filename == NULL) alpha_file = NULL; else alpha_file = pm_openw(cmdline.alpha_filename); - - if (cmdline.alpha_stdout) + + if (cmdline.alpha_stdout) imageout_file = NULL; else imageout_file = stdout; - + success = ReadXim(ifP, &xim); if (!success) pm_error("can't read Xim file"); @@ -397,7 +397,7 @@ main(int argc, "unknown Xim file type, nchannels == %d, bits_channel == %d", xim.nchannels, xim.bits_channel); - if (imageout_file) + if (imageout_file) ppm_writeppminit(imageout_file, cols, rows, maxval, 0); if (alpha_file) pgm_writepgminit(alpha_file, cols, rows, maxval, 0); @@ -409,8 +409,8 @@ main(int argc, if (mapped) { byte * const ximrow = xim.data + row * xim.bytes_per_line; unsigned int col; - - for (col = 0; col < cols; ++col) + + for (col = 0; col < cols; ++col) pixelrow[col] = colormap[ximrow[col]]; alpharow[col] = 0; } else { @@ -426,11 +426,11 @@ main(int argc, redrow[col], grnrow[col], blurow[col]); if (xim.nchannels > 3) alpharow[col] = othrow[col]; - else + else alpharow[col] = 0; } } - if (imageout_file) + if (imageout_file) ppm_writeppmrow(imageout_file, pixelrow, cols, maxval, 0); if (alpha_file) pgm_writepgmrow(alpha_file, alpharow, cols, maxval, 0); @@ -443,3 +443,6 @@ main(int argc, return 0; } + + + |