Index: trunk/src/plugins/io_eeschema/read_render.c
===================================================================
--- trunk/src/plugins/io_eeschema/read_render.c	(revision 11409)
+++ trunk/src/plugins/io_eeschema/read_render.c	(revision 11410)
@@ -293,6 +293,19 @@
 		return NULL;
 	}
 
+	if(ctx->ver>=20250114)
+	{
+		float t;
+
+		t = sx;
+		sx = ex;
+		ex = t;
+
+		t = sy;
+		sy = ey;
+		ey = t;
+	}
+
 	dbg_printf("mkarc (%f;%f) (%f;%f) (%f;%f)\n", sx, sy, mx, my, ex, ey);
 
 	if(fabs(sx-ex)<0.01 && fabs(sy-ey)<0.01)
@@ -307,10 +320,10 @@
 		return NULL;
 	}
 
-	dbg_printf("  solution: c=(%f;%f9, r=%f\n", cx, cy, r);
+	dbg_printf("  solution: c=(%f;%f), r=%f\n", cx, cy, r);
 
-	ang_start = -atan2(sy-cy, sx-cx) * 180.0 / M_PI;
-	ang_end   = -atan2(ey-cy, ex-cx) * 180.0 / M_PI;
+	ang_start = atan2(cy-sy, sx-cx) * 180.0 / M_PI;
+	ang_end   = atan2(cy-ey, ex-cx) * 180.0 / M_PI;
 
 	if(ctx->cur_libsym)
 	{
@@ -320,12 +333,12 @@
 		ang_end   += 180;
 	}
 
-	if(ang_start<0) { ang_start += 360.0; }
-	if(ang_end<0) { ang_end += 360.0; }
+	dbg_printf("  angles: start=%f, end=%f\n", ang_start, ang_end);
 
-	ang_delta = ang_start - ang_end;
+	ang_delta = ang_end - ang_start;
 
-	if(ang_delta<0) { ang_delta += 360.0; }
+	if(ang_delta>0) { ang_delta -= 360.0; }
+	ang_delta = -ang_delta;
 
 	if(!(arc=csch_alien_mkpoly(&ctx->alien, dst, stroke, fill)))
 	{
@@ -333,6 +346,8 @@
 		return NULL;
 	}
 
+	dbg_printf("  delta: %f\n", ang_delta);
+
 	/* ang_end is actually the start angle, because the points are in CW */
 	/* order, but angles increasing in CCW order */
 	/* (split arc up to avoid special cases!) */