gcode.cc

//    This is a component of stippler, an image processing tool
//    Copyright 2004, 2005 Jeff Epler <jepler@unpythonic.net>
//
//    This program is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    This program is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with this program; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#include <cstdio>

struct point { double x, y; };
extern int cols, rows;

void output(char *name, bool reverse_video, bool variable_size, double maxden,
            double *den, int ndots, struct point *G) {
    printf("(generated by stippler from %s with %d dots %dx%d)\n",
            name, ndots, cols, rows);
    printf("#1=[1/72]  (Scaling factor)\n"
           "#2=-0.002  (Minimum depth of cut for dots)\n"
           "#12=-0.006 (Maximum depth of cut for dots)\n"
           "#3=0.000   (Dwell time)\n"
           "#4=0.015   (Safety height)\n"
           "#5=25      (Feed rate for dots)\n"
           "\n"
           "#10=-1     (1 = normal X, -1 = mirror X)\n"
           "#11=1      (1 = normal Y, -1 = mirror Y)\n"
           "\n"
           "#9=1.5     (Toolchange height)\n"
           );

    printf("G0 Z#4\n"
           "G61\n"
           "G17 G20 G40 G49\n"
           "G54 G80 G90 G94\n"
           "G64\n"
           "S1000 M3\n"
           "G4 P3\n");

    printf("(Begin block of reorderable sections)\n");
    for(int i=0; i<ndots; i++) {
        printf("(Begin section %f %f)\n", G[i].x, G[i].y);
        if(variable_size) {
            double depth = variable_size ? den[i] / maxden : .5;
            printf("G82 X[%f*#1*#10] Y[%f*#1*#11] Z[#2+%f*[#12-#2]] "
                    "P#3 R#4 F#5\n",
                    G[i].x, G[i].y, depth);
        } else {
            printf("G82 X[%f*#1*#10] Y[%f*#1*#11] Z#2 P#3 R#4 F#5\n",
                    G[i].x, G[i].y);
        }
        printf("(End section)\n");
    }
    printf("(End block of reorderable sections)\n");
    printf("G0 Z#9\n");
    printf("M2\n");
}