/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/renderer.py
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revision 1866 by bh, Mon Oct 27 13:01:58 2003 UTC revision 1927 by bh, Mon Nov 10 16:57:35 2003 UTC
# Line 20  from Thuban import _ Line 20  from Thuban import _
20  from wxPython.wx import wxPoint, wxRect, wxPen, wxBrush, wxFont, \  from wxPython.wx import wxPoint, wxRect, wxPen, wxBrush, wxFont, \
21      wxTRANSPARENT_PEN, wxTRANSPARENT_BRUSH, \      wxTRANSPARENT_PEN, wxTRANSPARENT_BRUSH, \
22      wxBLACK_PEN, wxBLACK, wxSOLID, wxCROSS_HATCH, wxSWISS, wxNORMAL, \      wxBLACK_PEN, wxBLACK, wxSOLID, wxCROSS_HATCH, wxSWISS, wxNORMAL, \
23      wxBitmapFromImage, wxImageFromStream, wxBITMAP_TYPE_BMP      wxBitmapFromImage, wxImageFromStream, wxBITMAP_TYPE_BMP, wxBITMAP_TYPE_JPEG
24    
25  from wxproj import draw_polygon_shape, draw_polygon_init  from wxproj import draw_polygon_shape, draw_polygon_init
26    
# Line 36  import Thuban.Model.resource Line 36  import Thuban.Model.resource
36    
37  from baserenderer import BaseRenderer  from baserenderer import BaseRenderer
38    
39    
40    # Map the strings used for the format parameter of the draw_raster_data
41    # method to the appropriate wxWindows constants
42    raster_format_map = {
43        "BMP": wxBITMAP_TYPE_BMP,
44        "JPEG": wxBITMAP_TYPE_JPEG,
45        }
46    
47  class MapRenderer(BaseRenderer):  class MapRenderer(BaseRenderer):
48    
49      """Class to render a map onto a wxDC"""      """Class to render a map onto a wxDC"""
# Line 84  class MapRenderer(BaseRenderer): Line 92  class MapRenderer(BaseRenderer):
92      def label_font(self):      def label_font(self):
93          return wxFont(self.resolution * 10, wxSWISS, wxNORMAL, wxNORMAL)          return wxFont(self.resolution * 10, wxSWISS, wxNORMAL, wxNORMAL)
94    
95      def draw_raster_data(self, data):      def draw_raster_data(self, data, format = 'BMP'):
96          stream = cStringIO.StringIO(data)          stream = cStringIO.StringIO(data)
97          image = wxImageFromStream(stream, wxBITMAP_TYPE_BMP)          image = wxImageFromStream(stream, raster_format_map[format])
98          bitmap = wxBitmapFromImage(image)          bitmap = wxBitmapFromImage(image)
99          self.dc.DrawBitmap(bitmap, 0, 0)          self.dc.DrawBitmap(bitmap, 0, 0)
100    
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