Initial import of xtrkcad version 1:4.0.2-2

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);
+}