/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/renderer.py
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revision 144 by bh, Tue May 7 14:54:02 2002 UTC revision 290 by bh, Thu Aug 29 14:11:28 2002 UTC
# Line 197  class ScreenRenderer(MapRenderer): Line 197  class ScreenRenderer(MapRenderer):
197      def RenderMap(self, map, region, selected_layer, selected_shape):      def RenderMap(self, map, region, selected_layer, selected_shape):
198          """Render the map.          """Render the map.
199    
200          Only the given region (a wxRect in window coordinates) needs to          Only the given region (a tuple in window coordinates as returned
201          be redrawn. Highlight the shape with id selected_shape in the          by a wxrect's asTuple method) needs to be redrawn. Highlight the
202          selected_layer.          shape with id selected_shape in the selected_layer.
203          """          """
204          self.update_region = region          self.update_region = region
205          self.selected_layer = selected_layer          self.selected_layer = selected_layer
# Line 216  class ScreenRenderer(MapRenderer): Line 216  class ScreenRenderer(MapRenderer):
216              index = self.selected_shape              index = self.selected_shape
217              if shapetype == SHAPETYPE_POLYGON:              if shapetype == SHAPETYPE_POLYGON:
218                  self.draw_polygon_shape(layer, index, pen, brush)                  self.draw_polygon_shape(layer, index, pen, brush)
219                elif shapetype == SHAPETYPE_ARC:
220                    self.draw_polygon_shape(layer, index, pen, None)
221              else:              else:
222                  self.dc.SetBrush(brush)                  self.dc.SetBrush(brush)
223                  self.dc.SetPen(pen)                  self.dc.SetPen(pen)
224                  if shapetype == SHAPETYPE_ARC:                  if shapetype == SHAPETYPE_POINT:
225                      f = self.draw_arc_shape                      self.draw_point_shape(layer, index)
226                  elif shapetype == SHAPETYPE_POINT:                  else:
227                      f = self.draw_point_shape                      raise TypeError("Unhandled shape type %s" % shapetype)
                 f(layer, index)  
228    
229      def layer_ids(self, layer):      def layer_ids(self, layer):
230          """Return the shapeids covered by the region that has to be redrawn          """Return the shapeids covered by the region that has to be redrawn
# Line 246  class ScreenRenderer(MapRenderer): Line 247  class ScreenRenderer(MapRenderer):
247          offx, offy = self.offset          offx, offy = self.offset
248          xs = []          xs = []
249          ys = []          ys = []
250          x, y, width, height = self.update_region.asTuple()          x, y, width, height = self.update_region
251          for winx, winy in ((x, y), (x + width, y),          for winx, winy in ((x, y), (x + width, y),
252                             (x + width, y + height), (x, y + height)):                             (x + width, y + height), (x, y + height)):
253              px = (winx - offx) / scale              px = (winx - offx) / scale
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