/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/renderer.py
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revision 2514 by frank, Mon Jan 3 16:21:17 2005 UTC revision 2537 by jonathan, Fri Jan 21 14:01:25 2005 UTC
# Line 22  from wxPython.wx import wxPoint, wxRect, Line 22  from wxPython.wx import wxPoint, wxRect,
22      wxTRANSPARENT_PEN, wxTRANSPARENT_BRUSH, \      wxTRANSPARENT_PEN, wxTRANSPARENT_BRUSH, \
23      wxBLACK_PEN, wxBLACK, wxSOLID, wxCROSS_HATCH, wxSWISS, wxNORMAL, \      wxBLACK_PEN, wxBLACK, wxSOLID, wxCROSS_HATCH, wxSWISS, wxNORMAL, \
24      wxBitmapFromImage, wxImageFromStream, wxBITMAP_TYPE_BMP, \      wxBitmapFromImage, wxImageFromStream, wxBITMAP_TYPE_BMP, \
25      wxBITMAP_TYPE_JPEG, wxBITMAP_TYPE_PNG, wxBITMAP_TYPE_TIF, wxBITMAP_TYPE_GIF      wxBITMAP_TYPE_JPEG, wxBITMAP_TYPE_PNG, wxBITMAP_TYPE_TIF, \
26        wxBITMAP_TYPE_GIF, wxEmptyImage
27    
28  from wxproj import draw_polygon_shape, draw_polygon_init  from wxproj import draw_polygon_shape, draw_polygon_init
29    
# Line 38  import Thuban.Model.resource Line 39  import Thuban.Model.resource
39    
40  from baserenderer import BaseRenderer  from baserenderer import BaseRenderer
41    
42    from math import floor
43    
44    from types import StringType
45    
46    
47  # Map the strings used for the format parameter of the draw_raster_data  # Map the strings used for the format parameter of the draw_raster_data
48  # method to the appropriate wxWindows constants  # method to the appropriate wxWindows constants
# Line 99  class MapRenderer(BaseRenderer): Line 104  class MapRenderer(BaseRenderer):
104          return wxFont(int(round(self.resolution * 10)), wxSWISS, wxNORMAL,          return wxFont(int(round(self.resolution * 10)), wxSWISS, wxNORMAL,
105                        wxNORMAL)                        wxNORMAL)
106    
107      def draw_raster_data(self, data, format = 'BMP'):      def draw_raster_data(self, x,y, data, format = 'BMP', mask = None):
108          stream = cStringIO.StringIO(data)          if format == 'RAW':
109          image = wxImageFromStream(stream, raster_format_map[format])              image = wxEmptyImage(data[0], data[1])
110                image.SetData(data[2])
111            else:
112                stream = cStringIO.StringIO(data[2])
113                image = wxImageFromStream(stream, raster_format_map[format])
114    
115          bitmap = wxBitmapFromImage(image)          bitmap = wxBitmapFromImage(image)
116          self.dc.DrawBitmap(bitmap, 0, 0)  
117            if mask is None:
118                self.dc.DrawBitmap(bitmap, int(round(x)), int(round(y)), False)
119            else:
120                # if we are given a mask object, try to pass it to SetMaskColour,
121                # otherwise assume it's a mask image
122                try:
123                    bitmap.SetMaskColour(mask);
124                    self.dc.DrawBitmap(bitmap, int(round(x)), int(round(y)), True)
125                except (TypeError):
126                    # implement using a mask image
127                    raise NotImplementedError
128    
129    
130  class ScreenRenderer(MapRenderer):  class ScreenRenderer(MapRenderer):
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