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# Copyright (C) 2003, 2005 by Intevation GmbH |
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# Authors: |
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# Bernhard Herzog <[email protected]> |
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# |
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# This program is free software under the GPL (>=v2) |
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# Read the file COPYING coming with the software for details. |
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|
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"""Test Thuban.Model.baserenderer""" |
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|
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__version__ = "$Revision$" |
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# $Source$ |
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# $Id$ |
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|
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import os |
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import binascii |
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import unittest |
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|
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from mockgeo import SimpleShapeStore |
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import support |
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support.initthuban() |
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|
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from Thuban.Model.color import Transparent, Color |
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from Thuban.Model.data import SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT |
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from Thuban.Model.map import Map |
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from Thuban.Model.layer import BaseLayer, Layer, RasterLayer |
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from Thuban.Model.table import MemoryTable, \ |
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FIELDTYPE_DOUBLE, FIELDTYPE_INT, FIELDTYPE_STRING |
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from Thuban.Model.classification import ClassGroupSingleton |
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import Thuban.Model.resource |
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|
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|
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from Thuban.UI.baserenderer import BaseRenderer, \ |
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add_renderer_extension, init_renderer_extensions |
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|
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if Thuban.Model.resource.has_gdal_support(): |
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from gdalwarp import ProjectRasterFile |
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|
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class MockDC: |
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|
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def __init__(self, size = None): |
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self.calls = [] |
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self.size = size |
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|
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def GetSizeTuple(self): |
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return self.size |
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|
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def __getattr__(self, attr): |
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def method(*args): |
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self.calls.append((attr,) + args) |
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return method |
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|
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class P: |
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|
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"""A simple point""" |
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|
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def __init__(self, x, y): |
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self.x = x |
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self.y = y |
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|
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def __eq__(self, other): |
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return self.x == other.x and self.y == other.y |
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|
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def __ne__(self, other): |
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return self.x != other.x and self.y != other.y |
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|
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def __repr__(self): |
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return "P(%r, %r)" % (self.x, self.y) |
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|
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|
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class SimpleRenderer(BaseRenderer): |
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|
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TRANSPARENT_PEN = ("pen", Transparent) |
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TRANSPARENT_BRUSH = ("brush", Transparent) |
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|
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def make_point(self, x, y): |
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return P(x, y) |
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|
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def tools_for_property(self, prop): |
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fill = prop.GetFill() |
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brush = ("brush", fill) |
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|
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stroke = prop.GetLineColor() |
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stroke_width = prop.GetLineWidth() |
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if stroke is Transparent: |
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pen = ("pen", Transparent) |
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else: |
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pen = ("pen", stroke, stroke_width) |
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|
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return pen, brush |
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|
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def label_font(self): |
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return "label font" |
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|
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def draw_raster_data(self, x, y, data, format='BMP'): |
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self.raster_data = data |
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self.raster_format = format |
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|
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def projected_raster_layer(self, layer, srcProj, dstProj, extents, |
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resolution, dimensions, options): |
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|
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if not Thuban.Model.resource.has_gdal_support(): |
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raise support.SkipTest("No gdal support") |
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|
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#print srcProj, dstProj,extents, resolution, dimensions, options |
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|
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return ProjectRasterFile(layer.GetImageFilename(), |
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srcProj, dstProj, |
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extents, resolution, dimensions, |
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options) |
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|
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class MockProjection: |
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|
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"""Objects that look like projections but simply apply non-uniform scalings |
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""" |
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|
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def __init__(self, xscale, yscale): |
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self.xscale = float(xscale) |
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self.yscale = float(yscale) |
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|
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def Forward(self, x, y): |
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return (x * self.xscale, y * self.yscale) |
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|
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def Inverse(self, x, y): |
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return (x / self.xscale, y / self.yscale) |
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|
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|
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class TestBaseRenderer(unittest.TestCase): |
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|
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def setUp(self): |
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"""Set self.to_destroy to an empty list |
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|
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Tests should put all objects whose Destroy should be called at |
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the end into this list so that they're destroyed in tearDown. |
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""" |
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self.to_destroy = [] |
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|
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def tearDown(self): |
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for obj in self.to_destroy: |
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obj.Destroy() |
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|
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def test_arc_no_projection(self): |
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"""Test BaseRenderer with arc layer and no projections""" |
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table = MemoryTable([("type", FIELDTYPE_STRING), |
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("value", FIELDTYPE_DOUBLE), |
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("code", FIELDTYPE_INT)], |
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[("UNKNOWN", 0.0, 0)]) |
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shapes = [[[(0, 0), (10, 10)]]] |
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store = SimpleShapeStore(SHAPETYPE_ARC, shapes, table) |
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|
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map = Map("TestBaseRenderer") |
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self.to_destroy.append(map) |
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layer = Layer("arc layer", store) |
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map.AddLayer(layer) |
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|
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dc = MockDC() |
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renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
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|
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renderer.render_map() |
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|
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self.assertEquals(dc.calls, |
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[('BeginDrawing',), |
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('SetBrush', ('brush', Transparent)), |
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('SetPen', ('pen', Color(0, 0, 0), 1)), |
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('DrawLines', [P(10, 10), P(30, -10)]), |
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('SetFont', "label font"), |
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('EndDrawing',)]) |
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|
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def test_polygon_no_projection(self): |
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"""Test BaseRenderer with polygon layer and no projections""" |
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table = MemoryTable([("type", FIELDTYPE_STRING), |
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("value", FIELDTYPE_DOUBLE), |
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("code", FIELDTYPE_INT)], |
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[("UNKNOWN", 0.0, 0)]) |
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shapes = [[[(0, 0), (10, 10), (10, 0), (0, 0)]]] |
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store = SimpleShapeStore(SHAPETYPE_POLYGON, shapes, table) |
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|
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map = Map("TestBaseRenderer") |
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layer = Layer("polygon layer", store) |
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prop = layer.GetClassification().GetDefaultGroup().GetProperties() |
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prop.SetFill(Color(1, 1, 1)) |
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|
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map.AddLayer(layer) |
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self.to_destroy.append(map) |
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|
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dc = MockDC() |
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renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
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|
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renderer.render_map() |
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|
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self.assertEquals(dc.calls, |
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[('BeginDrawing',), |
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('SetBrush', ('brush', Color(1, 1, 1))), |
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('SetPen', ('pen', Transparent)), |
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('DrawPolygon', [P(10, 10), P(30, -10), P(30, 10), |
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P(10, 10)]), |
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('SetBrush', ('brush', Transparent)), |
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('SetPen', ('pen', Color(0, 0, 0), 1)), |
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('DrawLines', [P(10, 10), P(30, -10), P(30, 10), |
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P(10, 10)]), |
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('SetFont', "label font"), |
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('EndDrawing',)]) |
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|
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def test_complex_polygon(self): |
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"""Test BaseRenderer with complex polygon and no projections""" |
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# A square inside a sqare. This has to be drawn with at least a |
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# draw polygon call and two draw lines calls. |
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shapes = [[[(0, 0), (0, 10), (10, 10), (10, 0), (0, 0)], |
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[(2, 2), (8, 2), (8, 8), (2, 8), (2, 2)]]] |
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|
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table = MemoryTable([("type", FIELDTYPE_STRING), |
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("value", FIELDTYPE_DOUBLE), |
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("code", FIELDTYPE_INT)], |
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[("UNKNOWN", 0.0, 0)]) |
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store = SimpleShapeStore(SHAPETYPE_POLYGON, shapes, table) |
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|
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map = Map("TestBaseRenderer") |
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layer = Layer("polygon layer", store) |
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prop = layer.GetClassification().GetDefaultGroup().GetProperties() |
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prop.SetFill(Color(1, 1, 1)) |
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|
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map.AddLayer(layer) |
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self.to_destroy.append(map) |
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|
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dc = MockDC() |
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renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
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|
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renderer.render_map() |
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|
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self.assertEquals(dc.calls, |
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[('BeginDrawing',), |
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('SetBrush', ('brush', Color(1, 1, 1))), |
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('SetPen', ('pen', Transparent)), |
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('DrawPolygon', |
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[P(10, 10), P(10, -10), P(30, -10), P(30, 10), |
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P(10, 10), |
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P(14, 6), P(26, 6), P(26, -6), P(14, -6), |
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P(14, 6), |
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P(10, 10)]), |
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('SetBrush', ('brush', Transparent)), |
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('SetPen', ('pen', Color(0, 0, 0), 1)), |
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('DrawLines', [P(10, 10), P(10, -10), P(30, -10), |
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P(30, 10), P(10, 10)]), |
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('DrawLines', [P(14, 6), P(26, 6), P(26, -6), |
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P(14, -6), P(14, 6)]), |
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('SetFont', "label font"), |
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('EndDrawing',)]) |
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|
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def test_point_no_projection(self): |
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"""Test BaseRenderer with point layer and no projections""" |
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table = MemoryTable([("type", FIELDTYPE_STRING), |
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("value", FIELDTYPE_DOUBLE), |
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("code", FIELDTYPE_INT)], |
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[("UNKNOWN", 0.0, 0), |
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("UNKNOWN", 0.0, 1)]) |
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shapes = [[[(0, 0)]], [[(10, 10)]]] |
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store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table) |
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|
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map = Map("TestBaseRenderer") |
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layer = Layer("point layer", store) |
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map.AddLayer(layer) |
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self.to_destroy.append(map) |
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|
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dc = MockDC() |
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renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
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|
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renderer.render_map() |
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|
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self.assertEquals(dc.calls, |
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[('BeginDrawing',), |
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('SetBrush', ('brush', Transparent)), |
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('SetPen', ('pen', Color(0, 0, 0), 1)), |
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('DrawEllipse', 5, 5, 10, 10), |
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('SetBrush', ('brush', Transparent)), |
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('SetPen', ('pen', Color(0, 0, 0), 1)), |
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('DrawEllipse', 25, -15, 10, 10), |
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('SetFont', "label font"), |
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('EndDrawing',)]) |
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|
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def test_projected_raster_layer(self): |
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if not Thuban.Model.resource.has_gdal_support(): |
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raise support.SkipTest("No gdal support") |
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|
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layer = RasterLayer("raster layer", |
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os.path.join("..", "Data", "iceland", |
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"island.tif")) |
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|
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dc = MockDC(size = (20, 20)) |
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renderer = SimpleRenderer(dc, map, 34, (800, 2250)) |
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|
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# The reference data as a base64 coded RAW image |
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raw_data = binascii.a2b_base64( |
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'UmbmUmbmUmbmUmbmUmbmAtYCJooCAtICAq4CJooCArICAuICArICAuYCAs4COn4CO' |
| 293 |
'n4CAq4CAuICFpICUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmAuYCAqICAqoCAqoCFp' |
| 294 |
'ICJooCIo4CCpoCQnoGOn4CDpYCOn4CUmbmUmbmNo6aEpYCLoYCAqICGpICFpICUmb' |
| 295 |
'mAt4CUmbmNo6aAtICArYCAqoCKoYCMoICTnYKOn4CFpICUmbmUmbmUmbmUmbmAp4C' |
| 296 |
'NoICArYCAr4CCpoCAqYCCpoCEpYCHo4CFpICHo4CGpICFpICKoYCTnYKMoICAp4CU' |
| 297 |
'mbmUmbmUmbmUmbmUmbmUmbmAtYCAroCArYCCpoCAtYCAroCAtICAsYCUmbmAt4CAq' |
| 298 |
'YCAroCMoICAs4CAs4CAtYCAt4CAqYCUmbmUmbmUmbmUmbmAtoCAtYCAq4CAtoCBp4' |
| 299 |
'CAroCAqoCAq4CAr4CDpYCGpICAt4CAsICDpYCArICCpoCHo4CAs4CAuICUmbmUmbm' |
| 300 |
'UmbmUmbmUmbmUmbmAuICAqICFpYCAq4CDpoCAqYCFpICAqYCUmbmNo6aAsYCCpoCD' |
| 301 |
'pYCAqICAtoCUmbmAt4CAqoCCpoCAroCHo4CAsYCAq4CAsICAs4CAp4CUmbmAtYCAq' |
| 302 |
'YCIooCHo4CAsICAr4CAqICEpYCAs4CAqICArICDpYCEpYCEpYCAr4CUmbmEpYCAs4' |
| 303 |
'CAtICAs4CAqYCUmbmAtoCAp4CCpoCDpYCAq4CArICAqoCAqYCAqYCAtYCAtoCDpYC' |
| 304 |
'At4CUmbmUmbmUmbmUmbmAt4CAsoCAsoCAp4CAp4CCpoCAsoCAt4CNo6aUmbmUmbmU' |
| 305 |
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmAt4CAtYCCpoCAqICAroCAr4CUmbmUm' |
| 306 |
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb' |
| 307 |
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm' |
| 308 |
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmU' |
| 309 |
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUm' |
| 310 |
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb' |
| 311 |
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm' |
| 312 |
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmU' |
| 313 |
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUm' |
| 314 |
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb' |
| 315 |
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm' |
| 316 |
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm\n') |
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|
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raw_mask = binascii.a2b_base64( |
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'//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P/' |
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'/8P//8P//8P//8P//8P\n') |
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|
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raw_mask_inverted = binascii.a2b_base64( |
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'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' |
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'AAAAAAAAAAAAAAAAAAA\n') |
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|
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raw_alpha = binascii.a2b_base64( |
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'/////////////////////////////////////////////////////////////' |
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'/////////////////////////////////////////////////////////////' |
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'/////////////////////////////////////////////////////////////' |
| 330 |
'/////////////////////////////////////////////////////////////' |
| 331 |
'/////////////////////////////////////////////////////////////' |
| 332 |
'/////////////////////////////////////////////////////////////' |
| 333 |
'/////////////////////////////////////////////////////////////' |
| 334 |
'/////////////////////////////////////////////////////////////' |
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'/////////////////////////////////////////////w==\n') |
| 336 |
|
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for opts, data in [[1, (raw_data, raw_mask, None)], |
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[1|4, (raw_data, raw_mask_inverted, None)], |
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[2, (raw_data, None, raw_alpha)]]: |
| 340 |
|
| 341 |
img_data = renderer.projected_raster_layer(layer, "", "", |
| 342 |
(-24, 65, -23, 66), [0, 0], (20, 20), opts) |
| 343 |
self.assertEquals(img_data, data) |
| 344 |
|
| 345 |
def test_raster_no_projection(self): |
| 346 |
"""Test BaseRenderer with raster layer and no projections |
| 347 |
|
| 348 |
This test is very simple minded and perhaps can easily fail due |
| 349 |
to round-off errors. It simply compares the complete BMP file |
| 350 |
returned by gdalwarp.ProjectRasterFile to a BMP file data. |
| 351 |
""" |
| 352 |
if not Thuban.Model.resource.has_gdal_support(): |
| 353 |
raise support.SkipTest("No gdal support") |
| 354 |
|
| 355 |
map = Map("TestBaseRenderer") |
| 356 |
|
| 357 |
layer = RasterLayer("raster layer", |
| 358 |
os.path.join("..", "Data", "iceland", |
| 359 |
"island.tif")) |
| 360 |
layer.SetMaskType(layer.MASK_NONE) |
| 361 |
|
| 362 |
map.AddLayer(layer) |
| 363 |
self.to_destroy.append(map) |
| 364 |
|
| 365 |
dc = MockDC(size = (20, 20)) |
| 366 |
renderer = SimpleRenderer(dc, map, 34, (800, 2250)) |
| 367 |
|
| 368 |
renderer.render_map() |
| 369 |
|
| 370 |
# The following commented out code block can be used to generate |
| 371 |
# the base64 coded reference image data |
| 372 |
#hexed = binascii.b2a_base64(renderer.raster_data[2][0]) |
| 373 |
#while hexed: |
| 374 |
#print repr(hexed[:65]) |
| 375 |
#hexed = hexed[65:] |
| 376 |
|
| 377 |
# The reference data as a base64 coded RAW image |
| 378 |
raw_data = binascii.a2b_base64( |
| 379 |
'UmbmUmbmUmbmUmbmUmbmAtYCJooCAtICAq4CJooCArICAuICArICAuYCAs4COn4CO' |
| 380 |
'n4CAq4CAuICFpICUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmAuYCAqICAqoCAqoCFp' |
| 381 |
'ICJooCIo4CCpoCQnoGOn4CDpYCOn4CUmbmUmbmNo6aEpYCLoYCAqICGpICFpICUmb' |
| 382 |
'mAt4CUmbmNo6aAtICArYCAqoCKoYCMoICTnYKOn4CFpICUmbmUmbmUmbmUmbmAp4C' |
| 383 |
'NoICArYCAr4CCpoCAqYCCpoCEpYCHo4CFpICHo4CGpICFpICKoYCTnYKMoICAp4CU' |
| 384 |
'mbmUmbmUmbmUmbmUmbmUmbmAtYCAroCArYCCpoCAtYCAroCAtICAsYCUmbmAt4CAq' |
| 385 |
'YCAroCMoICAs4CAs4CAtYCAt4CAqYCUmbmUmbmUmbmUmbmAtoCAtYCAq4CAtoCBp4' |
| 386 |
'CAroCAqoCAq4CAr4CDpYCGpICAt4CAsICDpYCArICCpoCHo4CAs4CAuICUmbmUmbm' |
| 387 |
'UmbmUmbmUmbmUmbmAuICAqICFpYCAq4CDpoCAqYCFpICAqYCUmbmNo6aAsYCCpoCD' |
| 388 |
'pYCAqICAtoCUmbmAt4CAqoCCpoCAroCHo4CAsYCAq4CAsICAs4CAp4CUmbmAtYCAq' |
| 389 |
'YCIooCHo4CAsICAr4CAqICEpYCAs4CAqICArICDpYCEpYCEpYCAr4CUmbmEpYCAs4' |
| 390 |
'CAtICAs4CAqYCUmbmAtoCAp4CCpoCDpYCAq4CArICAqoCAqYCAqYCAtYCAtoCDpYC' |
| 391 |
'At4CUmbmUmbmUmbmUmbmAt4CAsoCAsoCAp4CAp4CCpoCAsoCAt4CNo6aUmbmUmbmU' |
| 392 |
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmAt4CAtYCCpoCAqICAroCAr4CUmbmUm' |
| 393 |
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb' |
| 394 |
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm' |
| 395 |
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmU' |
| 396 |
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUm' |
| 397 |
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb' |
| 398 |
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm' |
| 399 |
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmU' |
| 400 |
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUm' |
| 401 |
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb' |
| 402 |
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm' |
| 403 |
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm\n') |
| 404 |
|
| 405 |
self.assertEquals(renderer.raster_data, |
| 406 |
(20,20,(raw_data, None, None))) |
| 407 |
|
| 408 |
self.assertEquals(renderer.raster_format, "RAW") |
| 409 |
|
| 410 |
self.assertEquals(dc.calls, |
| 411 |
[('BeginDrawing',), |
| 412 |
('SetFont', "label font"), |
| 413 |
('EndDrawing',)]) |
| 414 |
|
| 415 |
def test_point_map_projection(self): |
| 416 |
"""Test BaseRenderer with point layer and map projection""" |
| 417 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 418 |
("value", FIELDTYPE_DOUBLE), |
| 419 |
("code", FIELDTYPE_INT)], |
| 420 |
[("UNKNOWN", 0.0, 0)]) |
| 421 |
shapes = [[[(10, 10)]]] |
| 422 |
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table) |
| 423 |
|
| 424 |
map = Map("TestBaseRenderer") |
| 425 |
map.SetProjection(MockProjection(-3, 3)) |
| 426 |
layer = Layer("point layer", store) |
| 427 |
map.AddLayer(layer) |
| 428 |
self.to_destroy.append(map) |
| 429 |
|
| 430 |
dc = MockDC() |
| 431 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 432 |
|
| 433 |
renderer.render_map() |
| 434 |
|
| 435 |
self.assertEquals(dc.calls, |
| 436 |
[('BeginDrawing',), |
| 437 |
('SetBrush', ('brush', Transparent)), |
| 438 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 439 |
('DrawEllipse', -55, -55, 10, 10), |
| 440 |
('SetFont', "label font"), |
| 441 |
('EndDrawing',)]) |
| 442 |
|
| 443 |
def test_point_layer_projection(self): |
| 444 |
"""Test BaseRenderer with point layer and layer projection""" |
| 445 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 446 |
("value", FIELDTYPE_DOUBLE), |
| 447 |
("code", FIELDTYPE_INT)], |
| 448 |
[("UNKNOWN", 0.0, 0)]) |
| 449 |
shapes = [[[(9, 9)]]] |
| 450 |
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table) |
| 451 |
|
| 452 |
map = Map("TestBaseRenderer") |
| 453 |
layer = Layer("point layer", store) |
| 454 |
layer.SetProjection(MockProjection(3, -3)) |
| 455 |
map.AddLayer(layer) |
| 456 |
self.to_destroy.append(map) |
| 457 |
|
| 458 |
dc = MockDC() |
| 459 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 460 |
|
| 461 |
renderer.render_map() |
| 462 |
|
| 463 |
self.assertEquals(dc.calls, |
| 464 |
[('BeginDrawing',), |
| 465 |
('SetBrush', ('brush', Transparent)), |
| 466 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 467 |
('DrawEllipse', 11, 11, 10, 10), |
| 468 |
('SetFont', "label font"), |
| 469 |
('EndDrawing',)]) |
| 470 |
|
| 471 |
def test_point_layer_and_map_projection(self): |
| 472 |
"""Test BaseRenderer with point layer and layer and map projection""" |
| 473 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 474 |
("value", FIELDTYPE_DOUBLE), |
| 475 |
("code", FIELDTYPE_INT)], |
| 476 |
[("UNKNOWN", 0.0, 0)]) |
| 477 |
shapes = [[[(9, 9)]]] |
| 478 |
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table) |
| 479 |
|
| 480 |
map = Map("TestBaseRenderer") |
| 481 |
map.SetProjection(MockProjection(-3, 3)) |
| 482 |
layer = Layer("point layer", store) |
| 483 |
layer.SetProjection(MockProjection(3, -3)) |
| 484 |
map.AddLayer(layer) |
| 485 |
self.to_destroy.append(map) |
| 486 |
|
| 487 |
dc = MockDC() |
| 488 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 489 |
|
| 490 |
renderer.render_map() |
| 491 |
|
| 492 |
self.assertEquals(dc.calls, |
| 493 |
[('BeginDrawing',), |
| 494 |
('SetBrush', ('brush', Transparent)), |
| 495 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 496 |
('DrawEllipse', -13, 23, 10, 10), |
| 497 |
('SetFont', "label font"), |
| 498 |
('EndDrawing',)]) |
| 499 |
|
| 500 |
|
| 501 |
def test_point_with_classification(self): |
| 502 |
"""Test BaseRenderer with point layer and classification""" |
| 503 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 504 |
("value", FIELDTYPE_DOUBLE), |
| 505 |
("code", FIELDTYPE_INT)], |
| 506 |
[("UNKNOWN", 0.0, 0), |
| 507 |
("UNKNOWN", 0.0, 1)]) |
| 508 |
shapes = [[[(0, 0)]], [[(10, 10)]]] |
| 509 |
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table) |
| 510 |
|
| 511 |
map = Map("TestBaseRenderer") |
| 512 |
layer = Layer("point layer", store) |
| 513 |
group = ClassGroupSingleton(1) |
| 514 |
group.GetProperties().SetFill(Color(0, 0, 1)) |
| 515 |
layer.GetClassification().AppendGroup(group) |
| 516 |
layer.SetClassificationColumn("code") |
| 517 |
|
| 518 |
map.AddLayer(layer) |
| 519 |
self.to_destroy.append(map) |
| 520 |
|
| 521 |
dc = MockDC() |
| 522 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 523 |
|
| 524 |
renderer.render_map() |
| 525 |
|
| 526 |
self.assertEquals(dc.calls, |
| 527 |
[('BeginDrawing',), |
| 528 |
('SetBrush', ('brush', Transparent)), |
| 529 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 530 |
('DrawEllipse', 5, 5, 10, 10), |
| 531 |
('SetBrush', ('brush', Color(0, 0, 1))), |
| 532 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 533 |
('DrawEllipse', 25, -15, 10, 10), |
| 534 |
('SetFont', "label font"), |
| 535 |
('EndDrawing',)]) |
| 536 |
|
| 537 |
|
| 538 |
def test_renderer_extension(self): |
| 539 |
"""Test renderer with a renderer extension""" |
| 540 |
class MyLayer(BaseLayer): |
| 541 |
pass |
| 542 |
|
| 543 |
calls = [] |
| 544 |
def my_renderer(renderer, layer): |
| 545 |
calls.append((renderer, layer)) |
| 546 |
return () |
| 547 |
|
| 548 |
add_renderer_extension(MyLayer, my_renderer) |
| 549 |
|
| 550 |
try: |
| 551 |
map = Map("test_renderer_extension") |
| 552 |
layer = MyLayer("my layer") |
| 553 |
map.AddLayer(layer) |
| 554 |
self.to_destroy.append(map) |
| 555 |
|
| 556 |
dc = MockDC() |
| 557 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 558 |
renderer.render_map() |
| 559 |
finally: |
| 560 |
init_renderer_extensions() |
| 561 |
|
| 562 |
self.assertEquals(calls, [(renderer, layer)]) |
| 563 |
|
| 564 |
|
| 565 |
if __name__ == "__main__": |
| 566 |
support.run_tests() |
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