/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/renderer.py
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revision 535 by bh, Fri Mar 14 20:42:18 2003 UTC revision 605 by jonathan, Fri Apr 4 12:16:13 2003 UTC
# Line 48  class MapRenderer: Line 48  class MapRenderer:
48                  the renderer's default.                  the renderer's default.
49          """          """
50          # resolution in pixel/inch          # resolution in pixel/inch
51    
52            assert scale > 0
53    
54          self.dc = dc          self.dc = dc
55          self.scale = scale          self.scale = scale
56          self.offset = offset          self.offset = offset
# Line 178  class MapRenderer: Line 181  class MapRenderer:
181          self.dc.DrawLines(points)          self.dc.DrawLines(points)
182    
183      def draw_point_shape(self, layer, index):      def draw_point_shape(self, layer, index):
184          p = self.projected_points(layer, index)[0]          pp = self.projected_points(layer, index)
185    
186            if len(pp) == 0: return # ignore Null Shapes which have no points
187    
188            p = pp[0]
189          radius = self.resolution * 5          radius = self.resolution * 5
190          self.dc.DrawEllipse(p.x - radius, p.y - radius, 2*radius, 2*radius)          self.dc.DrawEllipse(p.x - radius, p.y - radius, 2*radius, 2*radius)
191    
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