| 48 |
the renderer's default. |
the renderer's default. |
| 49 |
""" |
""" |
| 50 |
# resolution in pixel/inch |
# resolution in pixel/inch |
| 51 |
|
|
| 52 |
|
assert(scale > 0) |
| 53 |
|
|
| 54 |
self.dc = dc |
self.dc = dc |
| 55 |
self.scale = scale |
self.scale = scale |
| 56 |
self.offset = offset |
self.offset = offset |
| 229 |
# On the screen we want to see only visible layers by default |
# On the screen we want to see only visible layers by default |
| 230 |
honor_visibility = 1 |
honor_visibility = 1 |
| 231 |
|
|
| 232 |
def RenderMap(self, map, region, selected_layer, selected_shape): |
def RenderMap(self, map, region, selected_layer, selected_shapes): |
| 233 |
"""Render the map. |
"""Render the map. |
| 234 |
|
|
| 235 |
Only the given region (a tuple in window coordinates as returned |
Only the given region (a tuple in window coordinates as returned |
| 236 |
by a wxrect's asTuple method) needs to be redrawn. Highlight the |
by a wxrect's asTuple method) needs to be redrawn. Highlight the |
| 237 |
shape with id selected_shape in the selected_layer. |
shapes given by the ids in selected_shapes in the |
| 238 |
|
selected_layer. |
| 239 |
""" |
""" |
| 240 |
self.update_region = region |
self.update_region = region |
| 241 |
self.selected_layer = selected_layer |
self.selected_layer = selected_layer |
| 242 |
self.selected_shape = selected_shape |
self.selected_shapes = selected_shapes |
| 243 |
self.render_map(map) |
self.render_map(map) |
| 244 |
|
|
| 245 |
def draw_shape_layer(self, layer): |
def draw_shape_layer(self, layer): |
| 246 |
MapRenderer.draw_shape_layer(self, layer) |
MapRenderer.draw_shape_layer(self, layer) |
| 247 |
if layer is self.selected_layer and self.selected_shape is not None: |
if layer is self.selected_layer and self.selected_shapes: |
| 248 |
pen = wxPen(wxBLACK, 3, wxSOLID) |
pen = wxPen(wxBLACK, 3, wxSOLID) |
| 249 |
brush = wxBrush(wxBLACK, wxCROSS_HATCH) |
brush = wxBrush(wxBLACK, wxCROSS_HATCH) |
| 250 |
|
|
| 251 |
shapetype = layer.ShapeType() |
shapetype = layer.ShapeType() |
|
index = self.selected_shape |
|
| 252 |
if shapetype == SHAPETYPE_POLYGON: |
if shapetype == SHAPETYPE_POLYGON: |
| 253 |
self.draw_polygon_shape(layer, index, pen, brush) |
func = self.draw_polygon_shape |
| 254 |
|
args = (pen, brush) |
| 255 |
elif shapetype == SHAPETYPE_ARC: |
elif shapetype == SHAPETYPE_ARC: |
| 256 |
self.draw_polygon_shape(layer, index, pen, None) |
func = self.draw_polygon_shape |
| 257 |
else: |
args = (pen, None) |
| 258 |
|
elif shapetype == SHAPETYPE_POINT: |
| 259 |
self.dc.SetBrush(brush) |
self.dc.SetBrush(brush) |
| 260 |
self.dc.SetPen(pen) |
self.dc.SetPen(pen) |
| 261 |
if shapetype == SHAPETYPE_POINT: |
func = self.draw_point_shape |
| 262 |
self.draw_point_shape(layer, index) |
args = () |
| 263 |
else: |
else: |
| 264 |
raise TypeError(_("Unhandled shape type %s") % shapetype) |
raise TypeError(_("Unhandled shape type %s") % shapetype) |
| 265 |
|
|
| 266 |
|
for index in self.selected_shapes: |
| 267 |
|
func(layer, index, *args) |
| 268 |
|
|
| 269 |
def layer_ids(self, layer): |
def layer_ids(self, layer): |
| 270 |
"""Return the shapeids covered by the region that has to be redrawn |
"""Return the shapeids covered by the region that has to be redrawn |
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