diff options
Diffstat (limited to 'app/bin/cnvdsgn.c')
| -rw-r--r-- | app/bin/cnvdsgn.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/app/bin/cnvdsgn.c b/app/bin/cnvdsgn.c new file mode 100644 index 0000000..6f75b11 --- /dev/null +++ b/app/bin/cnvdsgn.c @@ -0,0 +1,147 @@ +#include <stdio.h> +#include <math.h> +#include "common.h" +#include "utility.h" + +#include <string.h> +#include <stdlib.h> + + +/* XTrkCad - Model Railroad CAD + * Copyright (C) 2005 Dave Bullis + * + * 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. + */ + +#define GETMAXY \ + if (lp->y0 > maxY) maxY = lp->y0; \ + if (lp->y1 > maxY) maxY = lp->y1 + +static int trackSeparation = 20; +static int arrowHeadLength = 10; + +static double FindCenter( + coOrd * pos, + coOrd p0, + coOrd p1, + double radius ) +{ + double d; + double a0, a1; + d = FindDistance( p0, p1 )/2.0; + a0 = FindAngle( p0, p1 ); + a1 = NormalizeAngle(R2D(asin( d/radius ))); + if (a1 > 180) + a1 -= 360; + /*a0 = NormalizeAngle( a0 + (radius>0 ? +(90.0-a1) : -(90.0-a1) ) );*/ + a0 = NormalizeAngle( a0 + (90.0-a1) ); + Translate( pos, p0, a0, radius ); +/*fprintf(stderr,"Center = %0.3f %0.3f\n", pos->x, pos->y );*/ + return a1*2.0; +} + +static void buildDesignerLines( FILE * inf, FILE * outf ) +{ + char line[80]; + int j; + double num; + double radius; + coOrd p0, p1, q0, q1, pc; + double a0, a1; + double len; + + while ( fgets( line, sizeof line, inf ) != NULL ) { + + if ( strncmp( line, "ARROW", 5 ) == 0 ) { + if ( sscanf( line, "ARROW, %lf, %lf, %lf, %lf", + &p0.x, &p0.y, &p1.x, &p1.y ) != 4) { + fprintf( stderr, "SYNTAX: %s", line ); + exit (1); + } + a0 = FindAngle( p1, p0 ); + fprintf( outf, " { 1, %ld, %ld, %ld, %ld },\n", + (long)(p0.x+0.5), (long)(p0.y+0.5), (long)(p1.x+0.5), (long)(p1.y+0.5) ); + Translate( &p1, p0, a0+135, arrowHeadLength ); + fprintf( outf, " { 1, %ld, %ld, %ld, %ld },\n", + (long)(p0.x+0.5), (long)(p0.y+0.5), (long)(p1.x+0.5), (long)(p1.y+0.5) ); + Translate( &p1, p0, a0-135, arrowHeadLength ); + fprintf( outf, " { 1, %ld, %ld, %ld, %ld },\n", + (long)(p0.x+0.5), (long)(p0.y+0.5), (long)(p1.x+0.5), (long)(p1.y+0.5) ); + + } else if ( strncmp( line, "LINE", 4 ) == 0 ) { + if ( sscanf( line, "LINE, %lf, %lf, %lf, %lf", + &p0.x, &p0.y, &p1.x, &p1.y ) != 4) { + fprintf( stderr, "SYNTAX: %s", line ); + exit (1); + } + fprintf( outf, " { 1, %ld, %ld, %ld, %ld },\n", + (long)(p0.x+0.5), (long)(p0.y+0.5), (long)(p1.x+0.5), (long)(p1.y+0.5) ); + + } else if ( strncmp( line, "STRAIGHT", 8 ) == 0 ) { + if ( sscanf( line, "STRAIGHT, %lf, %lf, %lf, %lf", + &p0.x, &p0.y, &p1.x, &p1.y ) != 4) { + fprintf( stderr, "SYNTAX: %s", line ); + exit (1); + } + a0 = FindAngle( p0, p1 ); + Translate( &q0, p0, a0+90, trackSeparation/2.0 ); + Translate( &q1, p1, a0+90, trackSeparation/2.0 ); + fprintf( outf, " { 3, %ld, %ld, %ld, %ld },\n", + (long)(q0.x+0.5), (long)(q0.y+0.5), (long)(q1.x+0.5), (long)(q1.y+0.5) ); + Translate( &q0, p0, a0-90, trackSeparation/2.0 ); + Translate( &q1, p1, a0-90, trackSeparation/2.0 ); + fprintf( outf, " { 3, %ld, %ld, %ld, %ld },\n", + (long)(q0.x+0.5), (long)(q0.y+0.5), (long)(q1.x+0.5), (long)(q1.y+0.5) ); + + } else if ( strncmp( line, "CURVE", 5 ) == 0 ) { + if ( sscanf( line, "CURVE, %lf, %lf, %lf, %lf, %lf", + &p0.x, &p0.y, &p1.x, &p1.y, &radius ) != 5) { + fprintf( stderr, "SYNTAX: %s", line ); + exit (1); + } + a1 = FindCenter( &pc, p0, p1, radius ); + a0 = FindAngle( pc, p0 ); +/*fprintf(stderr, "A0 = %0.3f, A1 = %0.3f\n", a0, a1 );*/ + len = radius * M_PI * 2 * ( a1 / 360.0 ); + num = len/20; + if (num < 0) num = - num; + num++; + a1 /= num; + if (radius < 0) + radius = -radius; + for ( j=0; j<num; j++ ) { +/*fprintf( stderr, "A0 = %0.3f\n", a0 );*/ + Translate( &p0, pc, a0, radius+trackSeparation/2.0 ); + Translate( &p1, pc, a0+a1, radius+trackSeparation/2.0 ); + fprintf( outf, " { 3, %ld, %ld, %ld, %ld },\n", + (long)(p0.x+0.5), (long)(p0.y+0.5), (long)(p1.x+0.5), (long)(p1.y+0.5) ); + Translate( &p0, pc, a0, radius-trackSeparation/2.0 ); + Translate( &p1, pc, a0+a1, radius-trackSeparation/2.0 ); + fprintf( outf, " { 3, %ld, %ld, %ld, %ld },\n", + (long)(p0.x+0.5), (long)(p0.y+0.5), (long)(p1.x+0.5), (long)(p1.y+0.5) ); + a0 += a1; + p0 = p1; + } + } else { + fprintf( stderr, "SYNTAX2: %s", line ); + } + } +} + +int main( int argc, char * argv[] ) +{ + buildDesignerLines( stdin, stdout ); + exit(0); +} |