New upstream version 5.3.0GAupstream/5.3.0GAupstream

1 files changed, 252 insertions, 0 deletions

diff --git a/app/bin/trkseg.h b/app/bin/trkseg.h
new file mode 100644
index 0000000..8a39097
--- /dev/null
+++ b/app/bin/trkseg.h
@@ -0,0 +1,252 @@
+/** \file trkseg.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef TRKSEG_H
+#define TRKSEG_H
+
+#include "common.h"
+
+#define MAX_PATH_SEGS	(127)
+
+typedef enum { FREEFORM, RECTANGLE, POLYLINE
+             } PolyType_e;
+
+
+typedef struct trkSeg_t {
+	char type;
+	wDrawColor color;
+	LWIDTH_T lineWidth;
+	dynArr_t bezSegs;       //placed here to avoid overwrites
+	union {
+		struct {
+			coOrd pos[4];
+			ANGLE_T angle;
+			long option;
+		} l;
+		struct {
+			coOrd pos[4];
+			ANGLE_T angle0;
+			ANGLE_T angle3;
+			DIST_T minRadius;
+			DIST_T radius0;
+			DIST_T radius3;
+			DIST_T length;
+		} b;
+		struct {
+			coOrd center;
+			ANGLE_T a0, a1;
+			DIST_T radius;
+		} c;
+		struct {
+			coOrd pos;
+			ANGLE_T angle;
+			DIST_T R, L;
+			DIST_T l0, l1;
+			unsigned int flip:1;
+			unsigned int negate:1;
+			unsigned int Scurve:1;
+		} j;
+		struct {
+			coOrd pos;
+			ANGLE_T angle;
+			wFont_p fontP;
+			FONTSIZE_T fontSize;
+			BOOL_T boxed;
+			char * string;
+		} t;
+		struct {
+			int cnt;
+			pts_t * pts;
+			coOrd orig;
+			ANGLE_T angle;
+			PolyType_e polyType;
+		} p;
+	} u;
+} trkSeg_t;
+typedef struct trkSeg_t * trkSeg_p;
+
+#define SEG_STRTRK		('S')
+#define SEG_CRVTRK		('C')
+#define SEG_BEZTRK      ('W')
+#define SEG_STRLIN		('L')
+#define SEG_CRVLIN		('A')
+#define SEG_BEZLIN      ('H')
+#define SEG_JNTTRK		('J')
+#define SEG_FILCRCL		('G')
+#define SEG_POLY		('Y')
+#define SEG_FILPOLY		('F')
+#define SEG_TEXT		('Z')
+#define SEG_UNCEP		('E')
+#define SEG_CONEP		('T')
+#define SEG_PATH		('P')
+#define SEG_SPEC		('X')
+#define SEG_CUST		('U')
+#define SEG_DOFF		('D')
+#define SEG_BENCH		('B')
+#define SEG_DIMLIN		('M')
+#define SEG_TBLEDGE		('Q')
+
+#define IsSegTrack( S ) ( (S)->type == SEG_STRTRK || (S)->type == SEG_CRVTRK || (S)->type == SEG_JNTTRK || (S)->type == SEG_BEZTRK)
+
+extern dynArr_t tempSegs_da;
+
+#define tempSegs(N) DYNARR_N( trkSeg_t, tempSegs_da, N )
+
+extern char tempSpecial[4096];
+extern char tempCustom[4096];
+
+void ComputeCurvedSeg(
+        trkSeg_p s,
+        DIST_T radius,
+        coOrd p0,
+        coOrd p1 );
+
+coOrd GetSegEndPt(
+        trkSeg_p segPtr,
+        EPINX_T ep,
+        BOOL_T bounds,
+        ANGLE_T * );
+
+void GetTextBounds( coOrd, ANGLE_T, char *, FONTSIZE_T, coOrd *, coOrd * );
+void GetSegBounds( coOrd, ANGLE_T, wIndex_t, trkSeg_p, coOrd *, coOrd * );
+void MoveSegs( wIndex_t, trkSeg_p, coOrd );
+void RotateSegs( wIndex_t, trkSeg_p, coOrd, ANGLE_T );
+void FlipSegs( wIndex_t, trkSeg_p, coOrd, ANGLE_T );
+void RescaleSegs( wIndex_t, trkSeg_p, DIST_T, DIST_T, DIST_T );
+void CloneFilledDraw( wIndex_t, trkSeg_p, BOOL_T );
+void FreeFilledDraw( wIndex_t, trkSeg_p );
+DIST_T DistanceSegs( coOrd, ANGLE_T, wIndex_t, trkSeg_p, coOrd *, wIndex_t * );
+ANGLE_T GetAngleSegs( wIndex_t, trkSeg_p, coOrd *, wIndex_t *, DIST_T *,
+                      BOOL_T *, wIndex_t *, BOOL_T * );
+void RecolorSegs( wIndex_t, trkSeg_p, wDrawColor );
+BOOL_T ReadSegs( void );
+BOOL_T WriteSegs( FILE * f, wIndex_t segCnt, trkSeg_p segs );
+BOOL_T WriteSegsEnd(FILE * f, wIndex_t segCnt, trkSeg_p segs, BOOL_T writeEnd);
+
+
+typedef union {
+	struct {
+		coOrd pos;				/* IN the point to get to */
+		ANGLE_T angle;			/* IN  is the angle that the object starts at (-ve for forwards) */
+		DIST_T dist;			/* OUT is how far it is along the track to get to pos*/
+		BOOL_T backwards;		/* OUT which way are we going? */
+		BOOL_T reverse_seg;		/* OUT the seg is backwards curve */
+		BOOL_T negative;		/* OUT the curve is negative */
+		int BezSegInx;			/* OUT for Bezier Seg - the segment we are on in Bezier */
+		BOOL_T segs_backwards;  /* OUT for Bezier Seg - the direction of the overall Bezier */
+	} traverse1;				// Find dist between pos and end of track that starts with angle set backwards
+	struct {
+		BOOL_T segDir;			/* IN Direction to go in this seg*/
+		int BezSegInx;			/* IN for Bezier Seg which element to start with*/
+		BOOL_T segs_backwards;  /* IN for Bezier Seg  which way to go down the array*/
+		DIST_T dist;			/* IN/OUT In = distance to go, Out = distance left */
+		coOrd pos;				/* OUT = point reached if dist = 0 */
+		ANGLE_T angle;			/* OUT = angle at point */
+	} traverse2;			//Return distance left (or 0) and angle and pos when going dist from segDir end
+	struct {
+		int first, last;		/* IN */
+		ANGLE_T side;
+		DIST_T roadbedWidth;
+		wDrawWidth rbw;
+		coOrd orig;
+		ANGLE_T angle;
+		wDrawColor color;
+		drawCmd_p d;
+	} drawRoadbedSide;
+	struct {
+		coOrd pos1;				/* IN pos to find */
+		DIST_T dd;				/* OUT distance from nearest point in seg to input pos */
+	} distance;
+	struct {
+		track_p trk;			/* OUT */
+		EPINX_T ep[2];
+	} newTrack;
+	struct {
+		DIST_T length;			/* OUT */
+	} length;
+	struct {
+		coOrd pos;				/* IN */
+		DIST_T length[2];		/* OUT */
+		trkSeg_t newSeg[2];
+	} split;
+	struct {
+		coOrd pos;				/* IN Pos to find nearest to  - OUT found pos on curve*/
+		ANGLE_T angle;			/* OUT angle at pos - (-ve if backwards)*/
+		BOOL_T negative_radius; /* OUT Radius <0? */
+		BOOL_T backwards;		/* OUT Seg is backwards */
+		DIST_T radius;			/* OUT radius at pos */
+		coOrd center;			/* OUT center of curvature at pos (0 = straight)*/
+		int  bezSegInx;			/* OUT if a bezier proc, the index of the sub segment */
+	} getAngle;			// Get pos on seg nearest, angle at that (-ve for forwards)
+} segProcData_t, *segProcData_p;
+typedef enum {
+	SEGPROC_TRAVERSE1,
+	SEGPROC_TRAVERSE2,
+	SEGPROC_DRAWROADBEDSIDE,
+	SEGPROC_DISTANCE,
+	SEGPROC_FLIP,
+	SEGPROC_NEWTRACK,
+	SEGPROC_LENGTH,
+	SEGPROC_SPLIT,
+	SEGPROC_GETANGLE
+} segProc_e;
+
+void SegProc( segProc_e, trkSeg_p, segProcData_p );
+void DrawDimLine( drawCmd_p, coOrd, coOrd, char *, wFontSize_t, FLOAT_T,
+                  wDrawWidth, wDrawColor, long );
+void DrawSegs(
+        drawCmd_p d,
+        coOrd orig,
+        ANGLE_T angle,
+        trkSeg_p segPtr,
+        wIndex_t segCnt,
+        DIST_T trackGauge,
+        wDrawColor color );
+void DrawSegsDA(
+        drawCmd_p d,
+        track_p trk,
+        coOrd orig,
+        ANGLE_T angle,
+        dynArr_t * da,
+        DIST_T trackGauge,
+        wDrawColor color,
+        long options );
+void DrawSegsO(
+        drawCmd_p d,
+        track_p trk,
+        coOrd orig,
+        ANGLE_T angle,
+        trkSeg_p segPtr,
+        wIndex_t segCnt,
+        DIST_T trackGauge,
+        wDrawColor color,
+        long options );
+
+
+void StraightSegProc( segProc_e, trkSeg_p, segProcData_p );
+void CurveSegProc( segProc_e, trkSeg_p, segProcData_p );
+void JointSegProc( segProc_e, trkSeg_p, segProcData_p );
+void BezierSegProc( segProc_e, trkSeg_p, segProcData_p );   //Used in Cornu join
+void CleanSegs( dynArr_t *);
+void CopyPoly(trkSeg_p seg_p, wIndex_t segCnt);
+wBool_t CompareSegs( trkSeg_p, int, trkSeg_p, int );
+#endif