sxwd.cc

    
/* $Id: sxwd.cc,v 1.13 2019/03/01 18:23:43 dkl Exp $ */ 

/* sxwd - client to drive xwd.cc */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

#include "xwd.h"
#include "ppm.h"
#include "font.h"
//#include "usage.h"

int 		new_width, new_height;
Bool 		debug=False, verbose=False;
char 		*progname;


//
//  Usage()
//
//  Usage takes an optional specific message
//
void usage(const char *msg) {

   // if there is a specific error message and it looks valid, print that
   // otherwise print general message
   if ((msg) && (msg[0] != '\0')) {
      fprintf (stderr, "\n%s\n\n", msg);
   } else {
      fprintf (stderr, "\n");
      fprintf (stderr, "usage:  %s [ options ] -in <filename> [ options ] [ -write ]\n\n",progname);
      fprintf(stderr, "Where options are:\n");
      fprintf(stderr, "    [-addcolor <color name> ] \n");
      fprintf(stderr, "    [-bg white|black|0..255 ] \n");
      fprintf(stderr, "    [-blackPixel <pixel>] \n");
      fprintf(stderr, "    [-border] \n");
      fprintf(stderr, "    [-bw] \n");
      fprintf(stderr, "    [-c16 \n");
      fprintf(stderr, "    [-clear \n");
      fprintf(stderr, "    [-clip|-crop ] \n");
      fprintf(stderr, "    [-cmap ] \n");
      fprintf(stderr, "    [-debug ] \n");
      fprintf(stderr, "    [-dpi <DPI> ] \n");
      fprintf(stderr, "    [-dump ] \n");
      fprintf(stderr, "    [-dumpLine ] \n");
      fprintf(stderr, "    [-fg black|white|0..255 ] \n");
      fprintf(stderr, "    [-family <family> ] \n");
      fprintf(stderr, "    [-font <font name>] \n");
      fprintf(stderr, "    [-fill x1 y1 x2 y2 ]\n");
      fprintf(stderr, "    [-fontPath <path> ] \n");
      fprintf(stderr, "    [-get 0..255 ] \n");
      fprintf(stderr, "    [-gz ] \n");
      fprintf(stderr, "    [-halve ] \n");
      fprintf(stderr, "    [-header ] \n");
      fprintf(stderr, "    [-help ] \n");
      fprintf(stderr, "    [-image ] \n");
      fprintf(stderr, "    [-info ] \n");
      fprintf(stderr, "    [-in <filename>\n");
      fprintf(stderr, "    [-line x1 y1 x2 y2 ]\n");
      fprintf(stderr, "    [-lscolors ]\n");
      fprintf(stderr, "    [-lsfonts ]\n");
      fprintf(stderr, "    [-map <filename> ]\n");
      fprintf(stderr, "    [-out <filename> ]\n");
      fprintf(stderr, "    [-over15 ] \n");
      fprintf(stderr, "    [-name <filename> ] \n");
      fprintf(stderr, "    [-new <filename> ] \n");
      fprintf(stderr, "    [-path <path> ]\n");
      fprintf(stderr, "    [-patch <filename> ]\n");
      fprintf(stderr, "    [-patchCentered <filename> ]\n");
      fprintf(stderr, "    [-pt <point size> ] \n");
      fprintf(stderr, "    [-put pixel r g b ] \n");
      fprintf(stderr, "    [-rect x1 y1 x2 y2 ]\n");
      fprintf(stderr, "    [-resize w h ]\n");
      fprintf(stderr, "    [-sample ]\n");
      fprintf(stderr, "    [-scale <factor> ]\n");
      fprintf(stderr, "    [-set ] \n");
      fprintf(stderr, "    [-shrink ] \n");
      fprintf(stderr, "    [-squish ] \n");
      fprintf(stderr, "    [-style <font style> ] \n");
      fprintf(stderr, "    [-swapBW ] \n");
      fprintf(stderr, "    [-text <sometext> ] \n");
      fprintf(stderr, "    [-trim <side> ] \n");
      fprintf(stderr, "    [-trimLeft ] \n");
      fprintf(stderr, "    [-trimRight ] \n");
      fprintf(stderr, "    [-trimTop ] \n");
      fprintf(stderr, "    [-trimBottom ] \n");
      fprintf(stderr, "    [-trunc <0..255> ] \n");
      fprintf(stderr, "    [-use4 ] \n");
      fprintf(stderr, "    [-use8 ] \n");
      fprintf(stderr, "    [-verbose ] \n");
	   fprintf(stderr, "    [-whitePixel <pixel> ] \n");
      fprintf(stderr, "    [-write ] \n");
      fprintf(stderr, "    [-x ] \n");
      fprintf(stderr, "    [-x1 ] \n");
      fprintf(stderr, "    [-x2 ] \n");
      fprintf(stderr, "    [-y ] \n");
      fprintf(stderr, "    [-y2 ] \n");
      fprintf(stderr, "    [-y2 ] \n");
      fprintf(stderr, "\n");
   }
   exit(1);
}

int main (int argc, char **argv) {
    int 		i, j, n, r, c, x=0, y=0;
    int 		x1, y1, x2, y2;
    unsigned 	buffer_size;
    char 	*fileName=NULL, *outName=NULL, *mapName=NULL;
    char 	*patchName=NULL, *patchCenteredName=NULL, *bustout=NULL;
    int 		cell=-1;
    XWDColor 	xwdcolor;
    xwd 		*in=0, *map;
    char  	*border=NULL, *newName=NULL, *newPath=NULL, *addColor=NULL;
    char 	*text=NULL, *font=NULL, *fontPath=NULL, *fontDPI=NULL;
    char  	*family=NULL, *pt=NULL, *style=NULL;
    char  	*fg=NULL, *bg=NULL;
    int		wp=-1, bp=-1, alignment=LEFT, w, h;
    int 		newred=-1, newgreen=-1, newblue=-1, ncolors=-1;
    double	scale=1.0;

	progname = argv[0];
	for (i = 1; i < argc; i++) {
		if (strcasecmp(argv[i], "-addColor") == 0) {
		    if (++i >= argc) usage("");
		    addColor = argv[i];
	    	in->AddColor(addColor); 
		    continue;
		}
		if (strcasecmp(argv[i], "-alignment") == 0) { 
		    if (++i >= argc) usage("");
		    if (strcasecmp(argv[i],"LEFT")==0) alignment = LEFT;
		    if (strcasecmp(argv[i],"CENTER")==0) alignment = CENTER;
		    if (strcasecmp(argv[i],"RIGHT")==0) alignment = RIGHT;
		    continue;
		}
		if (strcasecmp(argv[i], "-bg") == 0) { 
		   if (++i >= argc) usage("");
		   bg = argv[i]; 	
			if (bg) { 
				if (strcasecmp(bg,"white")==0) in->SetBackground(in->whitePixel);
				else if (strcasecmp(bg,"black")==0) in->SetBackground(in->blackPixel);
				else in->SetBackground(atoi(bg));
			} else {
           // to be completed; 
         }
			continue;
		}
		if (strcasecmp(argv[i], "-border") == 0) { 
		   if (++i >= argc) usage("");
		   border = argv[i]; 		
			continue;
		}
		if (strcasecmp(argv[i], "-bw") == 0) { 
	    	in->MakeBW();
			continue;
		}
		if ((!strcasecmp(argv[i], "-clip")) || (!strcasecmp(argv[i], "-crop"))) { 
		   x1 = atoi(argv[++i]); y1 = atoi(argv[++i]); 	
			x2 = atoi(argv[++i]); y2 = atoi(argv[++i]); 	
	   	in->Crop (x1,y1,x2,y2); 
			continue;
		}
		if ((strcasecmp(argv[i], "-check") == 0) ||
	  		 (strcasecmp(argv[i], "-info")) == 0) { 
			if (!in) usage ("No file specified.\n");
	      int count = 0, siz = in->image->width * in->image->height;
	      printf ("wxh: %dx%d, ncolors: %d, header->ncolors: %d, unique colors: %d\n", 
				in->image->width, in->image->height, in->ncolors, in->header->ncolors, in->Uniq()); 
	      printf ("whitePixel: %d, blackPixel: %d\n", 
					(int)in->whitePixel, (int)in->blackPixel);
	      for (j = 0; j < siz; j++) 
	        if ((unsigned char)in->image->data[j] > in->header->ncolors)
		 		printf ("pixel value of point %d greater than number of colors (%d)\n",
							j,in->image->data[j]);
	      for (j = 0; j < siz; j++) 
				if ((unsigned char)in->image->data[j] > 15)
		    		count++;
	      printf("found %d pixels over 15\n", count);
	      printf("font path: %s\n", in->fontPath);
	      printf("font DPI: %s\n", in->fontDPI);
	      printf("font family: %s\n", in->family);
	      printf("font style: %s\n", in->style);
	      printf("font point size: %s\n", in->pt);
	      printf("font: %s\n", in->font);
			continue;
		}
		if (strcasecmp(argv[i], "-clear") == 0) { 
	      in->Clear();
			continue;
		}
		if (strcasecmp(argv[i], "-cmap") == 0) { 
	    	in->DumpCmap(255); 
			continue;
	   }
		if (strcasecmp(argv[i], "-c16") == 0) { 
	    	in->DumpCmap(16); 
			continue;
		}
		if (strcasecmp(argv[i], "-debug") == 0) { 
	   	debug = 1;
	   	if (in) in->debug = 1;
			continue;
		}
		if (strcasecmp(argv[i], "-dump") == 0) { 
	    	in->Dump(); 
			continue;
		}
		if (strcasecmp(argv[i], "-dumpLine") == 0) { 
	    	in->DumpLine(0); 
			continue;
		}
		if ((strcasecmp(argv[i], "-dpi") == 0) ||
		    (strcasecmp(argv[i], "-fontDPI") == 0)) {
		   if (++i >= argc) usage("No DPI specified.");
		   char *fdpi = argv[i]; 	
         if (fontDPI) delete fontDPI;
		   fontDPI = new char[strlen(fdpi)+1];
		   sprintf (fontDPI, "%s", fdpi);
		   if (in) in->SetFontDPI(fontDPI);
			continue;
	   }
		if (strcasecmp(argv[i], "-fg") == 0) { 
		   if (++i >= argc) usage("Pixel value or 'black' or 'white' expected.");
		   fg = argv[i]; 		
   		if (fg) { 
				if (strcasecmp(fg,"white")==0) in->SetForeground(in->whitePixel);
				else if (strcasecmp(fg,"black")==0) in->SetForeground(in->blackPixel);
				else {
					// is it a color name or a pixel number ?
	  				if ((fg[0]>='0') && (fg[0]<='9'))
						// it's a pixel value
	    				in->SetForeground(atoi(fg));
	  				else if ((fg[0]>='a') && (fg[0]<='z'))
						// it's a color name
	    				in->SetForeground(fg);
      		}
   		}
			continue;
		}
		if (strcasecmp(argv[i], "-family") == 0) {
		   if (++i >= argc) usage("No font family specified.");
		   char *fm = argv[i]; 		
         if (family) delete family;
	      family = new char [strlen(fm)+1];
			sprintf (family, "%s", fm);
	    	if (!strcasecmp(family,"times")) sprintf (family, "%s", "tim");
	    	if (in) in->SetFontFamily(family);
			continue;
		}
		if (strcasecmp(argv[i], "-fill") == 0) {
		   if (i+4 >= argc) usage("No x1 y1 x2 y2 specified.");
		   x1 = atoi(argv[++i]); y1 = atoi(argv[++i]); 	
         x2 = atoi(argv[++i]); y2 = atoi(argv[++i]); 		
	   	in->Fill (x1,y1,x2,y2); 
			continue;
		}
		if (strcasecmp(argv[i], "-font") == 0) {
	    	if (++i >= argc) usage("No font name specified.");
	    	char *fn = argv[i]; 
	    	char *fname;
         // does the font name given end in .bdf?  if not fix it
			if (strstr(fn,".bdf")) { 
		   	fname = new char[strlen(fn)+1];
		   	sprintf (fname, "%s", fn);
			} else {
		   	fname = new char(strlen(fn)+8);
		   	sprintf (fname, "%s.bdf", fn);
         }
         if (font) delete font;
         font = fname;
		   if (in) in->SetFont(fname);
         delete fname;
			continue;
		}
		if (strcasecmp(argv[i], "-fontDPI") == 0) {
		   if (++i >= argc) usage("No DPI specified.");
		   char *fdpi = argv[i]; 	
         if (fontDPI) delete fontDPI;
		   fontDPI = new char[strlen(fdpi)+1];
		   sprintf (fontDPI, "%s", fdpi);
		   if (in) in->SetFontDPI(fontDPI);
			continue;
		}
		if (strcasecmp(argv[i], "-fontPath") == 0) {
		   if (++i >= argc) usage("No font path specified.");
         char *fpath = argv[i];
         if (fontPath) delete fontPath;
         fontPath = new char [strlen(fpath)+1];
		   sprintf (fontPath, "%s", fpath);
	     	if (in) in->SetFontPath (fontPath); 
			continue;
		}
		if (strcasecmp(argv[i], "-showFontPath") == 0) {
			continue;
		}
		if (strcasecmp(argv[i], "-get") == 0) { 
		   if (++i >= argc) usage("Get pixel value of which colormap cell?");
		   cell = atoi(argv[i]); 	
			printf("Cell %d: %d,%d,%d\n", cell, in->colors[(Pixel)cell].red,
		    	in->colors[(Pixel)cell].green, in->colors[(Pixel)cell].blue);
			continue;
		}
		if (strcasecmp(argv[i], "-halve") == 0) {
	   	//  resize it in halve by taking the darkest of each 4 pixels
	   	in->Halve(); 
			continue;
		}
		if (strcasecmp(argv[i], "-header") == 0) {
	    	in->DumpHeader(); 
			continue;
		}
		if (strcasecmp(argv[i], "-help") == 0) { 
			usage("");
			continue;
		}
		if (strcasecmp(argv[i], "-image") == 0) {
	    	in->DumpImage(); 
			continue;
		}
		if (strcasecmp(argv[i], "-in") == 0) {
		   if (++i >= argc) usage("No filename specified.");
		   fileName = argv[i]; 
	   	in = new xwd (fileName);
	   	//  read the image
	   	if (in->ReadXWD(1)) { 
				fprintf (stderr, "Error:  Can't read %s\n", fileName);
				exit(1);
	   	}
			continue;
		}
		if (strcasecmp(argv[i], "-info") == 0) {
         // covered by -check
			continue;
		}
		if (strcasecmp(argv[i], "-line") == 0) {
		    if (i+4 > argc) usage("Not enough arguments to -line");
		    x1 = atoi(argv[++i]);
		    y1 = atoi(argv[++i]); 	x2 = atoi(argv[++i]);
		    y2 = atoi(argv[++i]); 
	   	in->DrawLine(x1, y1, x2, y2); 
			continue;
		}
		if ((strcasecmp(argv[i], "-lsrgb") == 0) ||
		    (strcasecmp(argv[i], "-lscolors")) == 0) {
			xwd::lsColors();
			continue;
		}
		if ((strcasecmp(argv[i], "-lsfonts") == 0) ||
		    (strcasecmp(argv[i], "-listFonts") ==0) ||
		    (strcasecmp(argv[i], "-showFonts")) == 0) {
			if (!in) { 
            in = new xwd(); 
            in->debug=debug;
            in->verbose=verbose; 
            in->SetFontPath(fontPath); 
         }
			in->ShowFonts();
			continue;
		}
		if (strcasecmp(argv[i], "-map") == 0) {
		    if (++i >= argc) usage("Expected name of file containing XWD image to map to.");
		    mapName = argv[i]; 
	
	   	//  adopt and map to another xwd's colormap
	      map = new xwd (mapName);
	      //  read the image
	      if (map->ReadXWD(1)) { 
		      fprintf (stderr, "Error:  Can't read %s\n", mapName);
		      exit(1);
	      }
		   in->MapTo(map);
	      in->WriteXWD();
			continue;
		}
		if (strcasecmp(argv[i], "-out") == 0) {
			if (++i >= argc) usage("-out must be followed by new name");
	    	//  write it out 
	    	if (argv[i]) {
	       	in->name = argv[i];
	       	in->WriteXWD();
	    	}
			continue;
		}
		if (strcasecmp(argv[i], "-over15") == 0) { 
	      int count = 0, siz = in->image->width * in->image->height;
	      for (i = 0; i < siz; i++) 
			if ((unsigned char)in->image->data[i] > 15) count++;
	      printf("%d\n", count);
			continue;
		}
	 	if (strcasecmp(argv[i], "-name") == 0) {
	   	if (++i >= argc) usage("No new name specified.");
	   	in->name = argv[i];
			continue;
	   }
	 	if (strcasecmp(argv[i], "-new") == 0) {
	   	//if (++i >= argc) usage("No new name specified.");
	   	//in->name = argv[i];
	   	in = new xwd ();
	   	// synthesize the image
	   	if (in->DontReadXWD())
				fprintf (stderr, "Error:  Can't create %s\n", fileName);
			continue;
	   }
	 	if (strcasecmp(argv[i], "-ncolors") == 0) {
         // if no argument specified then print the image's ncolors
	   	if ((i+1 >= argc) || (argv[i+1][0] == '-')) {
	    	   printf ("%d\n", in->ncolors); 
            continue;
         }  

         // there is an argument, hopefully a new number of colors
         ncolors = atoi(argv[i+1]);

	    	if (ncolors > -1) {
				XColor *oldColors = in->colors;
	        	if (ncolors > 0) {
		  		XColor *newColors = new XColor [ncolors];
	         memset (newColors, 0, in->ncolors * sizeof(XColor));
	         memcpy (newColors, in->colors, in->ncolors * sizeof(XColor));
	         in->colors = newColors;
	      } else in->colors = NULL;		// No Colors!!!
				delete oldColors;
	         in->ncolors = in->header->ncolors = ncolors;
	    	}
			continue;
	   }
	   if (strcasecmp(argv[i], "-path") == 0) {
	   	if (++i >= argc) usage("No path specified.");
			//  set the path
	    	in->path = argv[i];     
			continue;
	   }
		if (strcasecmp(argv[i], "-patch") == 0) {
		   if (++i >= argc) usage("No patch filename specified.");
		   patchName = argv[i]; 		
			continue;
		}
		if (strcasecmp(argv[i], "-patchCentered") == 0) {
		   if (++i >= argc) usage("No patch filename specified.");
		   patchCenteredName = argv[i]; 	
			continue;
		}
		if (strcasecmp(argv[i], "-pt") == 0) {
		   if (++i >= argc) usage("-pt requires point size");
		   char *ptsz = argv[i]; 
         if (pt) delete pt;
         pt = new char [strlen(ptsz)+1];
			sprintf (pt, "%s", ptsz);
	    	if (in) in->SetFontPT(pt);
			continue;
		}
		if (strcasecmp(argv[i], "-rect") == 0) {
		   if (i+4 >= argc) usage("-rect must be followed by x1 y1 x2 y2");
		   x1 = atoi(argv[++i]); y1 = atoi(argv[++i]); 	
			x2 = atoi(argv[++i]);
		   y2 = atoi(argv[++i]); 	
	   	in->DrawRect(x1, y1, x2, y2); 
			continue;
		}
		if (strcasecmp(argv[i], "-resize") == 0) {
		   if (i+2 >= argc) usage("-resize must be followed by w h did you say wxh?");
		   w = atoi(argv[++i]); 
		   h = atoi(argv[++i]); 		
	   	in->Resize (w,h); 
			continue;
		}
		if (strcasecmp(argv[i], "-sample") == 0) {
	   	//  resize it in halve by sampling 
	   	in->Sample(); 
			continue;
		}
	   if (strcasecmp(argv[i], "-scale") == 0) {
	      if (++i >= argc) usage("No scale factor specified.");
	      scale = atof(argv[i]);              
	   	in->Scale (scale);
			continue;
	   }
		if (strcasecmp(argv[i], "-put") == 0) {
		   if (i+4 >= argc) usage("Expected colormap cell number.");
			cell = atoi(argv[++i]);
		   newred = atoi(argv[++i]); newgreen = atoi(argv[++i]);
		   newblue = atoi(argv[++i]); 		
			in->colors[(Pixel)cell].red = (Color) newred,
			in->colors[(Pixel)cell].green = (Color) newgreen, 
			in->colors[(Pixel)cell].blue = (Color) newblue;
		    continue;
		}
		if (strcasecmp(argv[i], "-set") == 0) {
	    	in->Set();
		   continue;
		}
		if (strcasecmp(argv[i], "-shrink") == 0) {
	    	//in->Shrink(); 
			continue;
		}
		if (strcasecmp(argv[i], "-swapbw") == 0) {
	   	in->SwapBW();
			continue;
		}
		if (strcasecmp(argv[i], "-showfonts") == 0) {
			continue;
		}
		if (strcasecmp(argv[i], "-squish") == 0) {
	    	in->SquishCmap(); 
			continue;
		}
		if (strcasecmp(argv[i], "-style") == 0) {
		   if (++i >= argc) usage("No syle specified.");
		   char *st = argv[i]; 
         if (style) delete style;
	      style = new char [strlen(st)+1];
			sprintf (style, "%s", st);
	    	if (in) in->SetFontStyle(style);
			continue;
		}
		if (strcasecmp(argv[i], "-text") == 0) {
		   if (++i >= argc) usage("No text specified.");
		   text = argv[i]; 
	   	in->DrawString(text, x, y, alignment); 
			continue;
		}
		if (strcasecmp(argv[i], "-trim") == 0) {
         char *nextWord = argv[i+1];
         if (nextWord[0] != '-') {
            if (!strcasecmp(nextWord, "left")) in->TrimLeft();
            if (!strcasecmp(nextWord, "right")) in->TrimRight();
            if (!strcasecmp(nextWord, "top")) in->TrimTop();
            if (!strcasecmp(nextWord, "bottom")) in->TrimBottom();
            if (!strcasecmp(nextWord, "all")) in->TrimLeft();
         }
			continue;
		}
		if (strcasecmp(argv[i], "-trimLeft") == 0) {
	    	in->TrimLeft(); 
			continue;
		}
		if (strcasecmp(argv[i], "-trimRight") == 0) {
	    	in->TrimRight(); 
			continue;
		}
		if (strcasecmp(argv[i], "-trimTop") == 0) {
	    	if (in) in->TrimTop(); 
			continue;
		}
		if (strcasecmp(argv[i], "-trimBottom") == 0) {
	    	if (in) in->TrimBottom(); 
			continue;
		}
		if (strcasecmp(argv[i], "-trunc") == 0) {
		   if (i+1 >= argc) usage("No number of cells to truncate colormap to");

         // there is a next word.  Is it an option? If not it should be a #
         if (argv[i+1][0] != '-') {
		      int trunc = atoi(argv[++i]); 
			   // truncate the colormap to the given # of entries
	   	   if (trunc >= 0) in->TruncCmap(trunc);
         }
			continue;
		}
		if (strcasecmp(argv[i], "-use4") == 0) {
	    	if (in) in->Use4();
			continue;
		}
		if (strcasecmp(argv[i], "-uniq") == 0) {
			continue;
		}
		if (strcasecmp(argv[i], "-use8") == 0) {
	    	if (in) in->Use8();
			continue;
		}
		if (strcasecmp(argv[i], "-verbose") == 0) {
			verbose = 1;
			if (in) in->verbose = 1;
			continue;
		}
	   if (strcasecmp(argv[i], "-write") == 0) {
	    	//  write it out to new name
	    	in->WriteXWD();
			continue;
	   }
		if (strcasecmp(argv[i], "-x") == 0) {
		    if (++i >= argc) usage("No x value specified.");
		    x = atoi(argv[i]); 
			continue;
		}
		if (strcasecmp(argv[i], "-y") == 0) {
		   if (++i >= argc) usage("No y value specified.");
		   y = atoi(argv[i]); 			
			continue;
		}
		if (strcasecmp(argv[i], "-x1") == 0) {
		   if (++i >= argc) usage("No x1 value specified.");
		   x1 = atoi(argv[i]); 		
			continue;
		}
		if (strcasecmp(argv[i], "-y1") == 0) {
		   if (++i >= argc) usage("No y1 value specified.");
		   y1 = atoi(argv[i]); 		
			continue;
		}
		if (strcasecmp(argv[i], "-x2") == 0) {
		   if (++i >= argc) usage("No x2 value specified.");
		   x2 = atoi(argv[i]); 		
			continue;
		}
		if (strcasecmp(argv[i], "-y2") == 0) {
		   if (++i >= argc) usage("No y2 value specified.");
		   y2 = atoi(argv[i]); 		
			continue;
		}
      char *temp = new char [256];
		sprintf(temp, "%s: Word %s not recognized\n", progname, argv[i]);
		usage(temp);
	}
   //if (!fileName) usage("");
    
   // TODO // now handle colormap changes 
   // TODO if (wp >= 0) in->whitePixel = (Pixel) wp;
   // TODO if (bp >= 0) in->blackPixel = (Pixel) bp;


}