diff options
Diffstat (limited to 'editor/pnmpaste.c')
| -rw-r--r-- | editor/pnmpaste.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/editor/pnmpaste.c b/editor/pnmpaste.c index c27e288c..3baaec7d 100644 --- a/editor/pnmpaste.c +++ b/editor/pnmpaste.c @@ -19,7 +19,7 @@ #include "pnm.h" -enum boolOp {REPLACE, AND, OR, XOR /*, NAND, NOR, NXOR */ }; +enum boolOp {REPLACE, AND, OR, XOR, NAND, NOR, NXOR}; struct CmdlineInfo { /* All the information the user supplied in the command line, @@ -47,7 +47,7 @@ parseCommandLine(int argc, const char ** argv, optStruct3 opt; unsigned int option_def_index; - unsigned int replaceOpt, andOpt, orOpt, xorOpt; + unsigned int replaceOpt, andOpt, orOpt, xorOpt, nandOpt, norOpt, nxorOpt; MALLOCARRAY_NOFAIL(option_def, 100); @@ -60,6 +60,12 @@ parseCommandLine(int argc, const char ** argv, &orOpt, 0); OPTENT3(0, "xor", OPT_FLAG, NULL, &xorOpt, 0); + OPTENT3(0, "nand", OPT_FLAG, NULL, + &nandOpt, 0); + OPTENT3(0, "nor", OPT_FLAG, NULL, + &norOpt, 0); + OPTENT3(0, "nxor", OPT_FLAG, NULL, + &nxorOpt, 0); opt.opt_table = option_def; opt.short_allowed = FALSE; /* We have no short (old-fashioned) options */ @@ -68,16 +74,20 @@ parseCommandLine(int argc, const char ** argv, pm_optParseOptions3(&argc, (char **)argv, opt, sizeof opt, 0); /* Uses and sets argc, argv, and some of *cmdlineP and others. */ - if (replaceOpt + andOpt + orOpt + xorOpt > 1) - pm_error("You may specify only one of -replace, -and, -or, and -xor"); + if (replaceOpt + andOpt + orOpt + xorOpt + nandOpt + norOpt + nxorOpt > 1) + pm_error("You may specify only one of -replace, -and, -or, " + "-xor, -nand, -nor and -nxor"); cmdlineP->operation = replaceOpt ? REPLACE : andOpt ? AND : orOpt ? OR : xorOpt ? XOR : + nandOpt ? NAND : + norOpt ? NOR : + nxorOpt ? NXOR : replaceOpt; - + if (argc-1 >= 3) { cmdlineP->insetFilename = argv[1]; @@ -168,11 +178,9 @@ insertDirect(FILE * const ifP, case AND: destrow[i] |= buffer[i]; break; case OR : destrow[i] &= buffer[i]; break; case XOR: destrow[i] = ~( destrow[i] ^ buffer[i] ) ; break; - /* case NAND: destrow[i] = ~( destrow[i] | buffer[i] ) ; break; case NOR : destrow[i] = ~( destrow[i] & buffer[i] ) ; break; case NXOR: destrow[i] ^= buffer[i] ; break; - */ case REPLACE: assert(false); break; } } @@ -229,11 +237,9 @@ insertShift(FILE * const ifP, case AND: destrow[i] |= t; break; case OR : destrow[i] &= t; break; case XOR: destrow[i] = ~ (destrow[i] ^ t); break; - /* case NAND: destrow[i] = ~ (destrow[i] | t); break; case NOR : destrow[i] = ~ (destrow[i] & t); break; case NXOR: destrow[i] ^= t; break; - */ } } @@ -244,7 +250,7 @@ insertShift(FILE * const ifP, destrow[0] = leftBits(origLeft, offset) | rightBits(destrow[0], 8-offset); - + if (padOffset % 8 > 0) destrow[last] = leftBits(destrow[last], padOffset) | rightBits(origRight , 8-padOffset); @@ -279,7 +285,7 @@ pastePbm(FILE * const fpInset, for (row = 0; row < baseRows; ++row) { pbm_readpbmrow_packed(fpBase, baserow, baseCols, baseFormat); - + if (row >= insertRow && row < insertRow + insetRows) { if (shiftOffset == 0) insertDirect(fpInset, &baserow[shiftByteCt], insetCols, @@ -316,7 +322,7 @@ pasteNonPbm(FILE * const fpInset, unsigned int const insertCol, unsigned int const insertRow) { - /* Logic works for PBM, but cannot do bitwise operations */ + /* Logic works for PBM, but cannot do bitwise operations */ xelval const newmaxval = MAX(maxvalInset, maxvalBase); @@ -344,7 +350,7 @@ pasteNonPbm(FILE * const fpInset, } pnm_writepnmrow(stdout, xelrowBase, colsBase, newmaxval, newformat, 0); } - + pnm_freerow(xelrowBase); pnm_freerow(xelrowInset); } |