From: Sandro Santilli <strk@keybit.net>
Date: Mon, 25 Oct 2004 14:20:57 +0000 (+0000)
Subject: Y axis reverse and relative path fixes from Olivier Courtin.
X-Git-Tag: pgis_1_0_0RC1~249
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=428f2652387772121414e1a2930b32bfd82c9bd4;p=postgis

Y axis reverse and relative path fixes from Olivier Courtin.


git-svn-id: http://svn.osgeo.org/postgis/trunk@1039 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/lwgeom/lwgeom_svg.c b/lwgeom/lwgeom_svg.c
index 69e134f10..7bfadd5e2 100644
--- a/lwgeom/lwgeom_svg.c
+++ b/lwgeom/lwgeom_svg.c
@@ -192,7 +192,7 @@ void print_svg_coords(char *result, POINT2D *pt, int precision)
 
 	sprintf(x, "%.*f", precision, pt->x);
 	trim_trailing_zeros(x);
-	sprintf(y, "%.*f", precision, pt->y);
+	sprintf(y, "%.*f", precision, pt->y * -1);
 	trim_trailing_zeros(y);
 
 	sprintf(temp, "x=\"%s\" y=\"%s\"", x, y);
@@ -211,7 +211,7 @@ void print_svg_circle(char *result, POINT2D *pt, int precision)
 
 	sprintf(x, "%.*f", precision, pt->x);
 	trim_trailing_zeros(x);
-	sprintf(y, "%.*f", precision, pt->y);
+	sprintf(y, "%.*f", precision, pt->y * -1);
 	trim_trailing_zeros(y);
 
 	sprintf(temp, "cx=\"%s\" cy=\"%s\"", x, y);
@@ -238,7 +238,7 @@ print_svg_path_abs(char *result, POINTARRAY *pa, int precision)
 		}
 		sprintf(x, "%.*f", precision, pt->x);
 		trim_trailing_zeros(x);
-		sprintf(y, "%.*f", precision, pt->y);
+		sprintf(y, "%.*f", precision, pt->y * -1);
 		trim_trailing_zeros(y);
 		result+= sprintf(result,"%s %s", x, y);
 	}
@@ -259,7 +259,7 @@ print_svg_path_rel(char *result, POINTARRAY *pa, int precision)
 
 	sprintf(x, "%.*f", precision, pt->x);
 	trim_trailing_zeros(x);
-	sprintf(y, "%.*f", precision, pt->y);
+	sprintf(y, "%.*f", precision, pt->y * -1);
 	trim_trailing_zeros(y);
 
 	result += sprintf(result,"%s %s l", x, y); 
@@ -268,9 +268,9 @@ print_svg_path_rel(char *result, POINTARRAY *pa, int precision)
 	for (u=1; u<pa->npoints; u++)
 	{
 		pt = (POINT2D *)getPoint(pa, u);
-		sprintf(x, "%.*f", precision, pt->x);
+		sprintf(x, "%.*f", precision, pt->x - lpt->x);
 		trim_trailing_zeros(x);
-		sprintf(y, "%.*f", precision, pt->y);
+		sprintf(y, "%.*f", precision, (pt->y - lpt->y) * -1);
 		trim_trailing_zeros(y);
 		result+= sprintf(result," %s %s", x, y);
 		lpt = pt;
@@ -280,6 +280,9 @@ print_svg_path_rel(char *result, POINTARRAY *pa, int precision)
 
 /**********************************************************************
  * $Log$
+ * Revision 1.6  2004/10/25 14:20:57  strk
+ * Y axis reverse and relative path fixes from Olivier Courtin.
+ *
  * Revision 1.5  2004/10/15 11:48:48  strk
  * Fixed a bug making asSVG return a spurious char at the end.
  *