def _render_blank_page(self, ctx, cairo_surface, dpi):
"""
Render a blank page with a nice "intentionally blank" notice
"""
ctx.save()
ctx.translate(
commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT),
commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT))
# footer notice
w = self._usable_area_width_pt
h = self._usable_area_height_pt
ctx.set_source_rgb(.6,.6,.6)
draw_utils.draw_simpletext_center(ctx, _('This page is intentionally left '\
'blank.'), w/2.0, 0.95*h)
draw_utils.render_page_number(ctx, 2,
self._usable_area_width_pt,
self._usable_area_height_pt,
self.grayed_margin_pt,
transparent_background=False)
try: # set_page_label() does not exist in older pycairo versions
cairo_surface.set_page_label(_(u'Blank'))
except:
pass
cairo_surface.show_page()
ctx.restore()
def render(self, cairo_surface, dpi, osm_date):
ctx = cairo.Context(cairo_surface)
self._render_front_page(ctx, cairo_surface, dpi, osm_date)
self._render_blank_page(ctx, cairo_surface, dpi)
ctx.save()
# Prepare to draw the map at the right location
ctx.translate(
commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT),
commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT))
self._render_overview_page(ctx, cairo_surface, dpi)
for map_number, (canvas, grid) in enumerate(self.pages):
rendered_map = canvas.get_rendered_map()
LOG.debug('Mapnik scale: 1/%f' % rendered_map.scale_denominator())
LOG.debug('Actual scale: 1/%f' % canvas.get_actual_scale())
mapnik.render(rendered_map, ctx)
# Place the vertical and horizontal square labels
ctx.save()
ctx.translate(commons.convert_pt_to_dots(self.grayed_margin_pt),
commons.convert_pt_to_dots(self.grayed_margin_pt))
self._draw_labels(ctx, grid,
commons.convert_pt_to_dots(self._usable_area_width_pt) \
- 2 * commons.convert_pt_to_dots(self.grayed_margin_pt),
commons.convert_pt_to_dots(self._usable_area_height_pt) \
- 2 * commons.convert_pt_to_dots(self.grayed_margin_pt),
commons.convert_pt_to_dots(self._grid_legend_margin_pt))
ctx.restore()
# Render the page number
draw_utils.render_page_number(ctx, map_number+4,
self._usable_area_width_pt,
self._usable_area_height_pt,
self.grayed_margin_pt,
transparent_background = True)
self._render_neighbour_arrows(ctx, cairo_surface, map_number,
len(unicode(len(self.pages)+4)))
cairo_surface.show_page()
ctx.restore()
mpsir = MultiPageStreetIndexRenderer(self.rc.i18n,
ctx, cairo_surface,
self.index_categories,
(Renderer.PRINT_SAFE_MARGIN_PT,
Renderer.PRINT_SAFE_MARGIN_PT,
self._usable_area_width_pt,
self._usable_area_height_pt),
map_number+5)
mpsir.render()
cairo_surface.flush()
def render(self, cairo_surface, dpi, osm_date):
ctx = cairo.Context(cairo_surface)
self._render_front_page(ctx, cairo_surface, dpi, osm_date)
self._render_blank_page(ctx, cairo_surface, dpi)
ctx.save()
# Prepare to draw the map at the right location
ctx.translate(
commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT),
commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT))
self._render_overview_page(ctx, cairo_surface, dpi)
for map_number, (canvas, grid) in enumerate(self.pages):
rendered_map = canvas.get_rendered_map()
LOG.debug('Mapnik scale: 1/%f' % rendered_map.scale_denominator())
LOG.debug('Actual scale: 1/%f' % canvas.get_actual_scale())
mapnik.render(rendered_map, ctx)
# Place the vertical and horizontal square labels
ctx.save()
ctx.translate(commons.convert_pt_to_dots(self.grayed_margin_pt),
commons.convert_pt_to_dots(self.grayed_margin_pt))
self._draw_labels(ctx, grid,
commons.convert_pt_to_dots(self._usable_area_width_pt) \
- 2 * commons.convert_pt_to_dots(self.grayed_margin_pt),
commons.convert_pt_to_dots(self._usable_area_height_pt) \
- 2 * commons.convert_pt_to_dots(self.grayed_margin_pt),
commons.convert_pt_to_dots(self._grid_legend_margin_pt))
ctx.restore()
# Render the page number
draw_utils.render_page_number(ctx,
map_number + 4,
self._usable_area_width_pt,
self._usable_area_height_pt,
self.grayed_margin_pt,
transparent_background=True)
self._render_neighbour_arrows(ctx, cairo_surface, map_number,
len(unicode(len(self.pages) + 4)))
cairo_surface.show_page()
ctx.restore()
mpsir = MultiPageStreetIndexRenderer(
self.rc.i18n, ctx, cairo_surface, self.index_categories,
(Renderer.PRINT_SAFE_MARGIN_PT, Renderer.PRINT_SAFE_MARGIN_PT,
self._usable_area_width_pt, self._usable_area_height_pt),
map_number + 5)
mpsir.render()
cairo_surface.flush()
def _render_overview_page(self, ctx, cairo_surface, dpi):
rendered_map = self.overview_canvas.get_rendered_map()
mapnik.render(rendered_map, ctx)
# draw pages numbers
self._draw_overview_labels(ctx, self.overview_canvas, self.overview_grid,
commons.convert_pt_to_dots(self._usable_area_width_pt),
commons.convert_pt_to_dots(self._usable_area_height_pt))
# Render the page number
draw_utils.render_page_number(ctx, 3,
self._usable_area_width_pt,
self._usable_area_height_pt,
self.grayed_margin_pt,
transparent_background = True)
cairo_surface.show_page()
def _render_overview_page(self, ctx, cairo_surface, dpi):
rendered_map = self.overview_canvas.get_rendered_map()
mapnik.render(rendered_map, ctx)
# draw pages numbers
self._draw_overview_labels(
ctx, self.overview_canvas, self.overview_grid,
commons.convert_pt_to_dots(self._usable_area_width_pt),
commons.convert_pt_to_dots(self._usable_area_height_pt))
# Render the page number
draw_utils.render_page_number(ctx,
3,
self._usable_area_width_pt,
self._usable_area_height_pt,
self.grayed_margin_pt,
transparent_background=True)
cairo_surface.show_page()
def _render_overview_page(self, ctx, cairo_surface, dpi):
rendered_map = self.overview_canvas.get_rendered_map()
mapnik.render(rendered_map, ctx)
for ov_canvas in self.overview_overlay_canvases:
rendered_map = ov_canvas.get_rendered_map()
mapnik.render(rendered_map, ctx)
# apply effect overlays
ctx.save()
# we have to undo border adjustments here
ctx.translate(
-commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT),
-commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT))
self._map_canvas = self.overview_canvas;
for plugin_name, effect in self.overview_overlay_effects.items():
try:
effect.render(self, ctx)
except Exception as e:
# TODO better logging
LOG.warning("Error while rendering overlay: %s\n%s" % (plugin_name, e))
ctx.restore()
# draw pages numbers
self._draw_overview_labels(ctx, self.overview_canvas, self.overview_grid,
commons.convert_pt_to_dots(self._usable_area_width_pt),
commons.convert_pt_to_dots(self._usable_area_height_pt))
# Render the page number
draw_utils.render_page_number(ctx, 3,
self._usable_area_width_pt,
self._usable_area_height_pt,
self.grayed_margin_pt,
transparent_background = True)
try: # set_page_label() does not exist in older pycairo versions
cairo_surface.set_page_label(_(u'Overview'))
except:
pass
cairo_surface.show_page()
def _render_blank_page(self, ctx, cairo_surface, dpi):
"""
Render a blank page with a nice "intentionally blank" notice
"""
ctx.save()
ctx.translate(
commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT),
commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT))
# footer notice
w = self._usable_area_width_pt
h = self._usable_area_height_pt
ctx.set_source_rgb(.6,.6,.6)
draw_utils.draw_simpletext_center(ctx, _('This page is intentionally left '\
'blank.'), w/2.0, 0.95*h)
draw_utils.render_page_number(ctx, 2,
self._usable_area_width_pt,
self._usable_area_height_pt,
self.grayed_margin_pt,
transparent_background=False)
cairo_surface.show_page()
ctx.restore()
def render(self, cairo_surface, dpi, osm_date):
ctx = cairo.Context(cairo_surface)
self._render_front_page(ctx, cairo_surface, dpi, osm_date)
self._render_blank_page(ctx, cairo_surface, dpi)
ctx.save()
# Prepare to draw the map at the right location
ctx.translate(
commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT),
commons.convert_pt_to_dots(Renderer.PRINT_SAFE_MARGIN_PT))
ctx.rectangle(0, 0, self._usable_area_width_pt, self._usable_area_height_pt)
ctx.clip()
self._render_overview_page(ctx, cairo_surface, dpi)
for map_number, (canvas, grid, overlay_canvases, overlay_effects) in enumerate(self.pages):
LOG.info('Map page %d of %d' % (map_number + 1, len(self.pages)))
rendered_map = canvas.get_rendered_map()
LOG.debug('Mapnik scale: 1/%f' % rendered_map.scale_denominator())
LOG.debug('Actual scale: 1/%f' % canvas.get_actual_scale())
dest_tag = "mypage%d" % (map_number + self._first_map_page_number)
draw_utils.anchor(ctx, dest_tag)
mapnik.render(rendered_map, ctx)
for overlay_canvas in overlay_canvases:
rendered_overlay = overlay_canvas.get_rendered_map()
mapnik.render(rendered_overlay, ctx)
# Place the vertical and horizontal square labels
ctx.save()
ctx.translate(commons.convert_pt_to_dots(self.grayed_margin_pt),
commons.convert_pt_to_dots(self.grayed_margin_pt))
self._draw_labels(ctx, grid,
commons.convert_pt_to_dots(self._usable_area_width_pt) \
- 2 * commons.convert_pt_to_dots(self.grayed_margin_pt),
commons.convert_pt_to_dots(self._usable_area_height_pt) \
- 2 * commons.convert_pt_to_dots(self.grayed_margin_pt),
commons.convert_pt_to_dots(self._grid_legend_margin_pt))
ctx.restore()
# apply effect overlays
ctx.save()
# we have to undo border adjustments here
ctx.translate(-commons.convert_pt_to_dots(self.grayed_margin_pt)/2,
-commons.convert_pt_to_dots(self.grayed_margin_pt)/2)
self._map_canvas = canvas;
for plugin_name, effect in overlay_effects.items():
self.grid = grid
try:
effect.render(self, ctx)
except Exception as e:
# TODO better logging
LOG.warning("Error while rendering overlay: %s\n%s" % (plugin_name, e))
effect.render(self, ctx)
ctx.restore()
# Render the page number
draw_utils.render_page_number(ctx, map_number + self._first_map_page_number,
self._usable_area_width_pt,
self._usable_area_height_pt,
self.grayed_margin_pt,
transparent_background = True)
self._render_neighbour_arrows(ctx, cairo_surface, map_number,
len(str(len(self.pages) + self._first_map_page_number)))
cairo_surface.set_page_label('Map page %d' % (map_number + self._first_map_page_number))
cairo_surface.show_page()
ctx.restore()
mpsir = MultiPageStreetIndexRenderer(self.rc.i18n,
ctx, cairo_surface,
self.index_categories,
(Renderer.PRINT_SAFE_MARGIN_PT,
Renderer.PRINT_SAFE_MARGIN_PT,
self._usable_area_width_pt,
self._usable_area_height_pt),
map_number+5)
mpsir.render()
cairo_surface.flush()
