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-rw-r--r--app/bin/cnvdsgn.c147
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);
+}