SVG output

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@32 bbaffbd6-741e-11dd-a85d-61de82d9cad9

pycam/Exporters/SVGExporter.py

+from pycam.Geometry import *
+
+class SVGExporter:
+
+    def __init__(self, filename):
+        self.file = file(filename,"w")
+        self.file.write("""<?xml version='1.0'?>
+<svg xmlns='http://www.w3.org/2000/svg' width='640' height='480'>
+<g transform='translate(320,240) scale(20)' stroke-width='0.01'>
+""")
+        self._fill = 'none'
+        self._stroke = 'black'
+
+    def close(self):
+        self.file.write("""</g>
+</svg>
+""")
+
+        self.file.close()
+
+    def stroke(self, stroke):
+        self._stroke = stroke
+
+    def fill(self, fill):
+        self._fill = fill
+
+    def AddDot(self, x, y):
+        if x < -1000:
+            x = -7
+        if y < -1000:
+            y = -7
+        l = "<circle fill='" + self._fill +"'" + (" cx='%g'" % x) + (" cy='%g'" % -y) + " r='0.1'/>\n"
+        self.file.write(l)
+
+    def AddLine(self, x1, y1, x2, y2):
+        l = "<line fill='" + self._fill +"' stroke='" + self._stroke + "'" + (" x1='%g'" % x1) + (" y1='%g'" % -y1) + (" x2='%g'" % x2) + (" y2='%g'" % -y2) + " />\n"
+        self.file.write(l)
+        
+    def AddPoint(self, p):
+        AddDot(p.x, p.y)
+
+    def AddPath(self, path):
+        l = "<path fill='" + self._fill +"' stroke='" + self._stroke + "' d='"
+        for i in range(0, len(path.points)):
+            p = path.points[i]
+            if i==0:
+                l += "M "
+            else:
+                l += " L "
+            l += "%g %g" % (p.x, -p.y-5)
+        l += "'/>\n"
+        self.file.write(l)
+
+    def AddPathList(self, pathlist):
+        for path in pathlist:
+            self.AddPath(path)