fix bug in toggle_trapezium - gramscii - A simple editor for ASCII box-and-arrow charts
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       ---
 (DIR) commit 646c1c1cc7ecc0cef7f619ae01457659817e5d05
 (DIR) parent 47a17a404c2faabc3db70df3a7a64a462a1a9d21
 (HTM) Author: KatolaZ <katolaz@freaknet.org>
       Date:   Sat, 28 Sep 2019 22:31:28 +0100
       
       fix bug in toggle_trapezium
       
       Diffstat:
         M draw.c                              |      14 +++++++++-----
       
       1 file changed, 9 insertions(+), 5 deletions(-)
       ---
 (DIR) diff --git a/draw.c b/draw.c
       @@ -251,15 +251,17 @@ void draw_trapezium(int x1, int y1, char st, char fix){
                for(i=xmin+1; i<=xmax; i++){
                        f(i, ylong, line_h);
                }
       -        for(i=xmin+xoff; i<=xmax-xoff; i++){
       -                f(i, yshort, line_h);
       +        if (st & 0x02){ /* Centred trapezium */
       +                for(i=xmin+xoff; i<=xmax-xoff; i++){
       +                        f(i, yshort, line_h);
       +                }
                }
                f(xmin+xoff, yshort, corner);
                f(xmin, ylong, corner);
                f(xmax-xoff, yshort, corner);
                f(xmax, ylong, corner);
                xoff --;
       -        if ((st & BOX_TRAP_D) == BOX_TRAP_D)
       +        if ((st & BOX_TRAP_DC) == BOX_TRAP_DC)
                        xoff = 1;
                for(i=ymin+1; i<ymax; i++, xoff += xincr){
                        f(xmin + xoff, i, left_c);
       @@ -291,11 +293,13 @@ void update_box(int x1, int y1, char st, char fix){
        
        char toggle_trap_type(char st){
                if (st & BOX_TRAP){
       -                if (st < BOX_TRAP_DR)
       -                        st ++;
       +                if (st != BOX_TRAP_DR)
       +                        st += 1;
                        else 
                                st = BOX_TRAP_UR;
                }
       +        if (st == BOX_TRAP_D) 
       +                st += 1;
                return st;
        }