/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/renderer.py
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revision 1452 by bh, Fri Jul 18 12:57:59 2003 UTC revision 1467 by jonathan, Tue Jul 22 14:02:57 2003 UTC
# Line 75  class MapRenderer: Line 75  class MapRenderer:
75          self.map = map          self.map = map
76          seenRaster = True          seenRaster = True
77    
78          if self.scale == 0:          self.dc.BeginDrawing()
             return  
79    
80          #          #
81          # This is only a good optimization if there is only one          # This is only a good optimization if there is only one
# Line 104  class MapRenderer: Line 103  class MapRenderer:
103    
104          self.draw_label_layer(map.LabelLayer())          self.draw_label_layer(map.LabelLayer())
105    
106            self.dc.EndDrawing()
107    
108      def draw_shape_layer(self, layer):      def draw_shape_layer(self, layer):
109          scale = self.scale          scale = self.scale
110          offx, offy = self.offset          offx, offy = self.offset
# Line 123  class MapRenderer: Line 124  class MapRenderer:
124          defaultGroup = lc.GetDefaultGroup()          defaultGroup = lc.GetDefaultGroup()
125    
126    
127    
128          if shapetype == SHAPETYPE_POINT:          if shapetype == SHAPETYPE_POINT:
129              draw_func = self.draw_point_shape              draw_func = self.draw_point_shape
130              draw_func_param = layer              draw_func_param = layer
# Line 214  class MapRenderer: Line 216  class MapRenderer:
216                  stream = cStringIO.StringIO(data)                  stream = cStringIO.StringIO(data)
217                  image = wxImageFromStream(stream, wxBITMAP_TYPE_BMP)                  image = wxImageFromStream(stream, wxBITMAP_TYPE_BMP)
218                  bitmap = wxBitmapFromImage(image)                  bitmap = wxBitmapFromImage(image)
                 self.dc.BeginDrawing()  
219                  self.dc.DrawBitmap(bitmap, 0, 0)                  self.dc.DrawBitmap(bitmap, 0, 0)
                 self.dc.EndDrawing()  
220    
221      def layer_ids(self, layer):      def layer_ids(self, layer):
222          """Return the shape ids of the given layer that have to be drawn.          """Return the shape ids of the given layer that have to be drawn.
# Line 355  class ScreenRenderer(MapRenderer): Line 355  class ScreenRenderer(MapRenderer):
355                  self.dc.SetBrush(brush)                  self.dc.SetBrush(brush)
356                  self.dc.SetPen(pen)                  self.dc.SetPen(pen)
357                  func = self.draw_point_shape                  func = self.draw_point_shape
358                  args = ()                  args = (pen, brush)
359              else:              else:
360                  raise TypeError(_("Unhandled shape type %s") % shapetype)                  raise TypeError(_("Unhandled shape type %s") % shapetype)
361    
362              for index in self.selected_shapes:              for index in self.selected_shapes:
363                  func(renderparam, index, *args)                  func(renderparam, index, *args)
364    
   
365      def layer_ids(self, layer):      def layer_ids(self, layer):
366          """Return the shapeids covered by the region that has to be redrawn          """Return the shapeids covered by the region that has to be redrawn
367    
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