| 1 |
# Copyright (C) 2003 by Intevation GmbH |
| 2 |
# Authors: |
| 3 |
# Bernhard Herzog <[email protected]> |
| 4 |
# |
| 5 |
# This program is free software under the GPL (>=v2) |
| 6 |
# Read the file COPYING coming with the software for details. |
| 7 |
|
| 8 |
"""Test Thuban.Model.baserenderer""" |
| 9 |
|
| 10 |
__version__ = "$Revision$" |
| 11 |
# $Source$ |
| 12 |
# $Id$ |
| 13 |
|
| 14 |
import os |
| 15 |
import binascii |
| 16 |
import unittest |
| 17 |
|
| 18 |
from mockgeo import SimpleShapeStore |
| 19 |
import support |
| 20 |
support.initthuban() |
| 21 |
|
| 22 |
from Thuban.Model.color import Transparent, Color |
| 23 |
from Thuban.Model.data import SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT |
| 24 |
from Thuban.Model.map import Map |
| 25 |
from Thuban.Model.layer import BaseLayer, Layer, RasterLayer |
| 26 |
from Thuban.Model.table import MemoryTable, \ |
| 27 |
FIELDTYPE_DOUBLE, FIELDTYPE_INT, FIELDTYPE_STRING |
| 28 |
from Thuban.Model.classification import ClassGroupSingleton |
| 29 |
import Thuban.Model.resource |
| 30 |
|
| 31 |
|
| 32 |
from Thuban.UI.baserenderer import BaseRenderer, \ |
| 33 |
add_renderer_extension, init_renderer_extensions |
| 34 |
|
| 35 |
from Thuban.version import versions |
| 36 |
|
| 37 |
class MockDC: |
| 38 |
|
| 39 |
def __init__(self, size = None): |
| 40 |
self.calls = [] |
| 41 |
self.size = size |
| 42 |
|
| 43 |
def GetSizeTuple(self): |
| 44 |
return self.size |
| 45 |
|
| 46 |
def __getattr__(self, attr): |
| 47 |
def method(*args): |
| 48 |
self.calls.append((attr,) + args) |
| 49 |
return method |
| 50 |
|
| 51 |
class P: |
| 52 |
|
| 53 |
"""A simple point""" |
| 54 |
|
| 55 |
def __init__(self, x, y): |
| 56 |
self.x = x |
| 57 |
self.y = y |
| 58 |
|
| 59 |
def __eq__(self, other): |
| 60 |
return self.x == other.x and self.y == other.y |
| 61 |
|
| 62 |
def __ne__(self, other): |
| 63 |
return self.x != other.x and self.y != other.y |
| 64 |
|
| 65 |
def __repr__(self): |
| 66 |
return "P(%r, %r)" % (self.x, self.y) |
| 67 |
|
| 68 |
|
| 69 |
class SimpleRenderer(BaseRenderer): |
| 70 |
|
| 71 |
TRANSPARENT_PEN = ("pen", Transparent) |
| 72 |
TRANSPARENT_BRUSH = ("brush", Transparent) |
| 73 |
|
| 74 |
def make_point(self, x, y): |
| 75 |
return P(x, y) |
| 76 |
|
| 77 |
def tools_for_property(self, prop): |
| 78 |
fill = prop.GetFill() |
| 79 |
brush = ("brush", fill) |
| 80 |
|
| 81 |
stroke = prop.GetLineColor() |
| 82 |
stroke_width = prop.GetLineWidth() |
| 83 |
if stroke is Transparent: |
| 84 |
pen = ("pen", Transparent) |
| 85 |
else: |
| 86 |
pen = ("pen", stroke, stroke_width) |
| 87 |
|
| 88 |
return pen, brush |
| 89 |
|
| 90 |
def label_font(self): |
| 91 |
return "label font" |
| 92 |
|
| 93 |
def draw_raster_data(self, x, y, data, format='BMP'): |
| 94 |
self.raster_data = data |
| 95 |
self.raster_format = format |
| 96 |
|
| 97 |
|
| 98 |
class MockProjection: |
| 99 |
|
| 100 |
"""Objects that look like projections but simply apply non-uniform scalings |
| 101 |
""" |
| 102 |
|
| 103 |
def __init__(self, xscale, yscale): |
| 104 |
self.xscale = float(xscale) |
| 105 |
self.yscale = float(yscale) |
| 106 |
|
| 107 |
def Forward(self, x, y): |
| 108 |
return (x * self.xscale, y * self.yscale) |
| 109 |
|
| 110 |
def Inverse(self, x, y): |
| 111 |
return (x / self.xscale, y / self.yscale) |
| 112 |
|
| 113 |
|
| 114 |
class TestBaseRenderer(unittest.TestCase): |
| 115 |
|
| 116 |
def setUp(self): |
| 117 |
"""Set self.to_destroy to an empty list |
| 118 |
|
| 119 |
Test should put all objects whose Destroy should be called atunittest.main |
| 120 |
the end into this list so that they're destroyed in tearDown |
| 121 |
""" |
| 122 |
self.to_destroy = [] |
| 123 |
|
| 124 |
def tearDown(self): |
| 125 |
for obj in self.to_destroy: |
| 126 |
obj.Destroy() |
| 127 |
|
| 128 |
def test_arc_no_projection(self): |
| 129 |
"""Test BaseRenderer with arc layer and no projections""" |
| 130 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 131 |
("value", FIELDTYPE_DOUBLE), |
| 132 |
("code", FIELDTYPE_INT)], |
| 133 |
[("UNKNOWN", 0.0, 0)]) |
| 134 |
shapes = [[[(0, 0), (10, 10)]]] |
| 135 |
store = SimpleShapeStore(SHAPETYPE_ARC, shapes, table) |
| 136 |
|
| 137 |
map = Map("TestBaseRenderer") |
| 138 |
self.to_destroy.append(map) |
| 139 |
layer = Layer("arc layer", store) |
| 140 |
map.AddLayer(layer) |
| 141 |
|
| 142 |
dc = MockDC() |
| 143 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 144 |
|
| 145 |
renderer.render_map() |
| 146 |
|
| 147 |
self.assertEquals(dc.calls, |
| 148 |
[('BeginDrawing',), |
| 149 |
('SetBrush', ('brush', Transparent)), |
| 150 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 151 |
('DrawLines', [P(10, 10), P(30, -10)]), |
| 152 |
('SetFont', "label font"), |
| 153 |
('EndDrawing',)]) |
| 154 |
|
| 155 |
def test_polygon_no_projection(self): |
| 156 |
"""Test BaseRenderer with polygon layer and no projections""" |
| 157 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 158 |
("value", FIELDTYPE_DOUBLE), |
| 159 |
("code", FIELDTYPE_INT)], |
| 160 |
[("UNKNOWN", 0.0, 0)]) |
| 161 |
shapes = [[[(0, 0), (10, 10), (10, 0), (0, 0)]]] |
| 162 |
store = SimpleShapeStore(SHAPETYPE_POLYGON, shapes, table) |
| 163 |
|
| 164 |
map = Map("TestBaseRenderer") |
| 165 |
layer = Layer("polygon layer", store) |
| 166 |
prop = layer.GetClassification().GetDefaultGroup().GetProperties() |
| 167 |
prop.SetFill(Color(1, 1, 1)) |
| 168 |
|
| 169 |
map.AddLayer(layer) |
| 170 |
self.to_destroy.append(map) |
| 171 |
|
| 172 |
dc = MockDC() |
| 173 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 174 |
|
| 175 |
renderer.render_map() |
| 176 |
|
| 177 |
self.assertEquals(dc.calls, |
| 178 |
[('BeginDrawing',), |
| 179 |
('SetBrush', ('brush', Color(1, 1, 1))), |
| 180 |
('SetPen', ('pen', Transparent)), |
| 181 |
('DrawPolygon', [P(10, 10), P(30, -10), P(30, 10), |
| 182 |
P(10, 10)]), |
| 183 |
('SetBrush', ('brush', Transparent)), |
| 184 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 185 |
('DrawLines', [P(10, 10), P(30, -10), P(30, 10), |
| 186 |
P(10, 10)]), |
| 187 |
('SetFont', "label font"), |
| 188 |
('EndDrawing',)]) |
| 189 |
|
| 190 |
def test_complex_polygon(self): |
| 191 |
"""Test BaseRenderer with complex polygon and no projections""" |
| 192 |
# A square inside a sqare. This has to be drawn with at least a |
| 193 |
# draw polygon call and two draw lines calls. |
| 194 |
shapes = [[[(0, 0), (0, 10), (10, 10), (10, 0), (0, 0)], |
| 195 |
[(2, 2), (8, 2), (8, 8), (2, 8), (2, 2)]]] |
| 196 |
|
| 197 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 198 |
("value", FIELDTYPE_DOUBLE), |
| 199 |
("code", FIELDTYPE_INT)], |
| 200 |
[("UNKNOWN", 0.0, 0)]) |
| 201 |
store = SimpleShapeStore(SHAPETYPE_POLYGON, shapes, table) |
| 202 |
|
| 203 |
map = Map("TestBaseRenderer") |
| 204 |
layer = Layer("polygon layer", store) |
| 205 |
prop = layer.GetClassification().GetDefaultGroup().GetProperties() |
| 206 |
prop.SetFill(Color(1, 1, 1)) |
| 207 |
|
| 208 |
map.AddLayer(layer) |
| 209 |
self.to_destroy.append(map) |
| 210 |
|
| 211 |
dc = MockDC() |
| 212 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 213 |
|
| 214 |
renderer.render_map() |
| 215 |
|
| 216 |
self.assertEquals(dc.calls, |
| 217 |
[('BeginDrawing',), |
| 218 |
('SetBrush', ('brush', Color(1, 1, 1))), |
| 219 |
('SetPen', ('pen', Transparent)), |
| 220 |
('DrawPolygon', |
| 221 |
[P(10, 10), P(10, -10), P(30, -10), P(30, 10), |
| 222 |
P(10, 10), |
| 223 |
P(14, 6), P(26, 6), P(26, -6), P(14, -6), |
| 224 |
P(14, 6), |
| 225 |
P(10, 10)]), |
| 226 |
('SetBrush', ('brush', Transparent)), |
| 227 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 228 |
('DrawLines', [P(10, 10), P(10, -10), P(30, -10), |
| 229 |
P(30, 10), P(10, 10)]), |
| 230 |
('DrawLines', [P(14, 6), P(26, 6), P(26, -6), |
| 231 |
P(14, -6), P(14, 6)]), |
| 232 |
('SetFont', "label font"), |
| 233 |
('EndDrawing',)]) |
| 234 |
|
| 235 |
def test_point_no_projection(self): |
| 236 |
"""Test BaseRenderer with point layer and no projections""" |
| 237 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 238 |
("value", FIELDTYPE_DOUBLE), |
| 239 |
("code", FIELDTYPE_INT)], |
| 240 |
[("UNKNOWN", 0.0, 0), |
| 241 |
("UNKNOWN", 0.0, 1)]) |
| 242 |
shapes = [[[(0, 0)]], [[(10, 10)]]] |
| 243 |
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table) |
| 244 |
|
| 245 |
map = Map("TestBaseRenderer") |
| 246 |
layer = Layer("point layer", store) |
| 247 |
map.AddLayer(layer) |
| 248 |
self.to_destroy.append(map) |
| 249 |
|
| 250 |
dc = MockDC() |
| 251 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 252 |
|
| 253 |
renderer.render_map() |
| 254 |
|
| 255 |
self.assertEquals(dc.calls, |
| 256 |
[('BeginDrawing',), |
| 257 |
('SetBrush', ('brush', Transparent)), |
| 258 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 259 |
('DrawEllipse', 5, 5, 10, 10), |
| 260 |
('SetBrush', ('brush', Transparent)), |
| 261 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 262 |
('DrawEllipse', 25, -15, 10, 10), |
| 263 |
('SetFont', "label font"), |
| 264 |
('EndDrawing',)]) |
| 265 |
|
| 266 |
def test_raster_no_projection(self): |
| 267 |
"""Test BaseRenderer with raster layer and no projections |
| 268 |
|
| 269 |
This test is very simple minded and perhaps can easily fail due |
| 270 |
to round-off errors. It simply compares the complete BMP file |
| 271 |
returned by gdalwarp.ProjectRasterFile to a BMP file data. |
| 272 |
""" |
| 273 |
if not Thuban.Model.resource.has_gdal_support(): |
| 274 |
raise support.SkipTest("No gdal support") |
| 275 |
|
| 276 |
map = Map("TestBaseRenderer") |
| 277 |
|
| 278 |
layer = RasterLayer("raster layer", |
| 279 |
os.path.join("..", "Data", "iceland", |
| 280 |
"island.tif")) |
| 281 |
map.AddLayer(layer) |
| 282 |
self.to_destroy.append(map) |
| 283 |
|
| 284 |
dc = MockDC(size = (20, 20)) |
| 285 |
renderer = SimpleRenderer(dc, map, 34, (800, 2250)) |
| 286 |
|
| 287 |
renderer.render_map() |
| 288 |
|
| 289 |
# The following commented out code block can be used to generate |
| 290 |
# the base64 coded reference image data |
| 291 |
#hexed = binascii.b2a_base64(renderer.raster_data[2][0]) |
| 292 |
#while hexed: |
| 293 |
#print repr(hexed[:65]) |
| 294 |
#hexed = hexed[65:] |
| 295 |
|
| 296 |
# The reference data as a base64 coded RAW image |
| 297 |
raw_data = binascii.a2b_base64( |
| 298 |
'UmbmUmbmUmbmUmbmUmbmAtYCJooCAtICAq4CJooCArICAuICArICAuYCAs4COn4CO' |
| 299 |
'n4CAq4CAuICFpICUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmAuYCAqICAqoCAqoCFp' |
| 300 |
'ICJooCIo4CCpoCQnoGOn4CDpYCOn4CUmbmUmbmNo6aEpYCLoYCAqICGpICFpICUmb' |
| 301 |
'mAt4CUmbmNo6aAtICArYCAqoCKoYCMoICTnYKOn4CFpICUmbmUmbmUmbmUmbmAp4C' |
| 302 |
'NoICArYCAr4CCpoCAqYCCpoCEpYCHo4CFpICHo4CGpICFpICKoYCTnYKMoICAp4CU' |
| 303 |
'mbmUmbmUmbmUmbmUmbmUmbmAtYCAroCArYCCpoCAtYCAroCAtICAsYCUmbmAt4CAq' |
| 304 |
'YCAroCMoICAs4CAs4CAtYCAt4CAqYCUmbmUmbmUmbmUmbmAtoCAtYCAq4CAtoCBp4' |
| 305 |
'CAroCAqoCAq4CAr4CDpYCGpICAt4CAsICDpYCArICCpoCHo4CAs4CAuICUmbmUmbm' |
| 306 |
'UmbmUmbmUmbmUmbmAuICAqICFpYCAq4CDpoCAqYCFpICAqYCUmbmNo6aAsYCCpoCD' |
| 307 |
'pYCAqICAtoCUmbmAt4CAqoCCpoCAroCHo4CAsYCAq4CAsICAs4CAp4CUmbmAtYCAq' |
| 308 |
'YCIooCHo4CAsICAr4CAqICEpYCAs4CAqICArICDpYCEpYCEpYCAr4CUmbmEpYCAs4' |
| 309 |
'CAtICAs4CAqYCUmbmAtoCAp4CCpoCDpYCAq4CArICAqoCAqYCAqYCAtYCAtoCDpYC' |
| 310 |
'At4CUmbmUmbmUmbmUmbmAt4CAsoCAsoCAp4CAp4CCpoCAsoCAt4CNo6aUmbmUmbmU' |
| 311 |
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmAt4CAtYCCpoCAqICAroCAr4CUmbmUm' |
| 312 |
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb' |
| 313 |
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm' |
| 314 |
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmU' |
| 315 |
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUm' |
| 316 |
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb' |
| 317 |
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm' |
| 318 |
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmU' |
| 319 |
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUm' |
| 320 |
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb' |
| 321 |
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm' |
| 322 |
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm\n') |
| 323 |
|
| 324 |
#print |
| 325 |
#hexed = binascii.b2a_base64(renderer.raster_data[2][1]) |
| 326 |
#while hexed: |
| 327 |
#print repr(hexed[:61]) |
| 328 |
#hexed = hexed[61:] |
| 329 |
|
| 330 |
|
| 331 |
if versions['wxPython-tuple'] < (2,5,3): |
| 332 |
raw_mask = binascii.a2b_base64( |
| 333 |
'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' |
| 334 |
'AAAAAAAAAAAAAAAAAAA\n') |
| 335 |
else: |
| 336 |
raw_mask = binascii.a2b_base64( |
| 337 |
'//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P/' |
| 338 |
'/8P//8P//8P//8P//8P\n') |
| 339 |
|
| 340 |
self.assertEquals(renderer.raster_data, |
| 341 |
(20,20,(raw_data, raw_mask, None))) |
| 342 |
|
| 343 |
self.assertEquals(renderer.raster_format, "RAW") |
| 344 |
|
| 345 |
self.assertEquals(dc.calls, |
| 346 |
[('BeginDrawing',), |
| 347 |
('SetFont', "label font"), |
| 348 |
('EndDrawing',)]) |
| 349 |
|
| 350 |
if versions['wxPython-tuple'] >= (2,5,3): |
| 351 |
layer.SetMaskType(layer.MASK_ALPHA) |
| 352 |
renderer.render_map() |
| 353 |
|
| 354 |
#print |
| 355 |
#hexed = binascii.b2a_base64(renderer.raster_data[2][2]) |
| 356 |
#while hexed: |
| 357 |
#print repr(hexed[:61]) |
| 358 |
#hexed = hexed[61:] |
| 359 |
raw_alpha = binascii.a2b_base64( |
| 360 |
'/////////////////////////////////////////////////////////////' |
| 361 |
'/////////////////////////////////////////////////////////////' |
| 362 |
'/////////////////////////////////////////////////////////////' |
| 363 |
'/////////////////////////////////////////////////////////////' |
| 364 |
'/////////////////////////////////////////////////////////////' |
| 365 |
'/////////////////////////////////////////////////////////////' |
| 366 |
'/////////////////////////////////////////////////////////////' |
| 367 |
'/////////////////////////////////////////////////////////////' |
| 368 |
'/////////////////////////////////////////////w==\n') |
| 369 |
self.assertEquals(renderer.raster_data, |
| 370 |
(20,20,(raw_data, None, raw_alpha))) |
| 371 |
|
| 372 |
|
| 373 |
layer.SetMaskType(layer.MASK_NONE) |
| 374 |
renderer.render_map() |
| 375 |
self.assertEquals(renderer.raster_data, (20,20,(raw_data, None, None))) |
| 376 |
|
| 377 |
def test_point_map_projection(self): |
| 378 |
"""Test BaseRenderer with point layer and map projection""" |
| 379 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 380 |
("value", FIELDTYPE_DOUBLE), |
| 381 |
("code", FIELDTYPE_INT)], |
| 382 |
[("UNKNOWN", 0.0, 0)]) |
| 383 |
shapes = [[[(10, 10)]]] |
| 384 |
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table) |
| 385 |
|
| 386 |
map = Map("TestBaseRenderer") |
| 387 |
map.SetProjection(MockProjection(-3, 3)) |
| 388 |
layer = Layer("point layer", store) |
| 389 |
map.AddLayer(layer) |
| 390 |
self.to_destroy.append(map) |
| 391 |
|
| 392 |
dc = MockDC() |
| 393 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 394 |
|
| 395 |
renderer.render_map() |
| 396 |
|
| 397 |
self.assertEquals(dc.calls, |
| 398 |
[('BeginDrawing',), |
| 399 |
('SetBrush', ('brush', Transparent)), |
| 400 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 401 |
('DrawEllipse', -55, -55, 10, 10), |
| 402 |
('SetFont', "label font"), |
| 403 |
('EndDrawing',)]) |
| 404 |
|
| 405 |
def test_point_layer_projection(self): |
| 406 |
"""Test BaseRenderer with point layer and layer projection""" |
| 407 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 408 |
("value", FIELDTYPE_DOUBLE), |
| 409 |
("code", FIELDTYPE_INT)], |
| 410 |
[("UNKNOWN", 0.0, 0)]) |
| 411 |
shapes = [[[(9, 9)]]] |
| 412 |
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table) |
| 413 |
|
| 414 |
map = Map("TestBaseRenderer") |
| 415 |
layer = Layer("point layer", store) |
| 416 |
layer.SetProjection(MockProjection(3, -3)) |
| 417 |
map.AddLayer(layer) |
| 418 |
self.to_destroy.append(map) |
| 419 |
|
| 420 |
dc = MockDC() |
| 421 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 422 |
|
| 423 |
renderer.render_map() |
| 424 |
|
| 425 |
self.assertEquals(dc.calls, |
| 426 |
[('BeginDrawing',), |
| 427 |
('SetBrush', ('brush', Transparent)), |
| 428 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 429 |
('DrawEllipse', 11, 11, 10, 10), |
| 430 |
('SetFont', "label font"), |
| 431 |
('EndDrawing',)]) |
| 432 |
|
| 433 |
def test_point_layer_and_map_projection(self): |
| 434 |
"""Test BaseRenderer with point layer and layer and map projection""" |
| 435 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 436 |
("value", FIELDTYPE_DOUBLE), |
| 437 |
("code", FIELDTYPE_INT)], |
| 438 |
[("UNKNOWN", 0.0, 0)]) |
| 439 |
shapes = [[[(9, 9)]]] |
| 440 |
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table) |
| 441 |
|
| 442 |
map = Map("TestBaseRenderer") |
| 443 |
map.SetProjection(MockProjection(-3, 3)) |
| 444 |
layer = Layer("point layer", store) |
| 445 |
layer.SetProjection(MockProjection(3, -3)) |
| 446 |
map.AddLayer(layer) |
| 447 |
self.to_destroy.append(map) |
| 448 |
|
| 449 |
dc = MockDC() |
| 450 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 451 |
|
| 452 |
renderer.render_map() |
| 453 |
|
| 454 |
self.assertEquals(dc.calls, |
| 455 |
[('BeginDrawing',), |
| 456 |
('SetBrush', ('brush', Transparent)), |
| 457 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 458 |
('DrawEllipse', -13, 23, 10, 10), |
| 459 |
('SetFont', "label font"), |
| 460 |
('EndDrawing',)]) |
| 461 |
|
| 462 |
|
| 463 |
def test_point_with_classification(self): |
| 464 |
"""Test BaseRenderer with point layer and classification""" |
| 465 |
table = MemoryTable([("type", FIELDTYPE_STRING), |
| 466 |
("value", FIELDTYPE_DOUBLE), |
| 467 |
("code", FIELDTYPE_INT)], |
| 468 |
[("UNKNOWN", 0.0, 0), |
| 469 |
("UNKNOWN", 0.0, 1)]) |
| 470 |
shapes = [[[(0, 0)]], [[(10, 10)]]] |
| 471 |
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table) |
| 472 |
|
| 473 |
map = Map("TestBaseRenderer") |
| 474 |
layer = Layer("point layer", store) |
| 475 |
group = ClassGroupSingleton(1) |
| 476 |
group.GetProperties().SetFill(Color(0, 0, 1)) |
| 477 |
layer.GetClassification().AppendGroup(group) |
| 478 |
layer.SetClassificationColumn("code") |
| 479 |
|
| 480 |
map.AddLayer(layer) |
| 481 |
self.to_destroy.append(map) |
| 482 |
|
| 483 |
dc = MockDC() |
| 484 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 485 |
|
| 486 |
renderer.render_map() |
| 487 |
|
| 488 |
self.assertEquals(dc.calls, |
| 489 |
[('BeginDrawing',), |
| 490 |
('SetBrush', ('brush', Transparent)), |
| 491 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 492 |
('DrawEllipse', 5, 5, 10, 10), |
| 493 |
('SetBrush', ('brush', Color(0, 0, 1))), |
| 494 |
('SetPen', ('pen', Color(0, 0, 0), 1)), |
| 495 |
('DrawEllipse', 25, -15, 10, 10), |
| 496 |
('SetFont', "label font"), |
| 497 |
('EndDrawing',)]) |
| 498 |
|
| 499 |
|
| 500 |
def test_renderer_extension(self): |
| 501 |
"""Test renderer with a renderer extension""" |
| 502 |
class MyLayer(BaseLayer): |
| 503 |
pass |
| 504 |
|
| 505 |
calls = [] |
| 506 |
def my_renderer(renderer, layer): |
| 507 |
calls.append((renderer, layer)) |
| 508 |
return () |
| 509 |
|
| 510 |
add_renderer_extension(MyLayer, my_renderer) |
| 511 |
|
| 512 |
try: |
| 513 |
map = Map("test_renderer_extension") |
| 514 |
layer = MyLayer("my layer") |
| 515 |
map.AddLayer(layer) |
| 516 |
self.to_destroy.append(map) |
| 517 |
|
| 518 |
dc = MockDC() |
| 519 |
renderer = SimpleRenderer(dc, map, 2, (10, 10)) |
| 520 |
renderer.render_map() |
| 521 |
finally: |
| 522 |
init_renderer_extensions() |
| 523 |
|
| 524 |
self.assertEquals(calls, [(renderer, layer)]) |
| 525 |
|
| 526 |
|
| 527 |
if __name__ == "__main__": |
| 528 |
support.run_tests() |
Parent Directory
| 
Revision Log