def add_map(self, map_image, is_data_entry=True, has_mini_form=False): y = self.origin_y map_width, map_height = map_image.size if is_data_entry: y = y + self.qr_size + self.gutter_size if has_mini_form: y = y + Units.pixel_to_point(300) self.canvas.drawInlineImage( map_image, self.origin_x, y, Units.pixel_to_point(map_width), Units.pixel_to_point(map_height))
def add_form(self, num_rows, form, is_mini_form=False): cols = form.get_fields(print_only=True) field_aliases, field_widths = ['ID'], [5] field_aliases.extend([c.col_alias for c in cols]) field_widths.extend([c.display_width for c in cols]) field_widths = [n/100.0*self.inner_width for n in field_widths] #normalize x, y = self.origin_x, self.origin_y + self.qr_size width = self.inner_width height = self.inner_height - self.qr_size - 35 if is_mini_form: height = Units.pixel_to_point(300) #only render a 300-pixel tall form data, rowheights, header_flowables = [], [39], [] style = ParagraphStyle(name='Helvetica', fontName='Helvetica', fontSize=10) for a in field_aliases: header_flowables.append(Paragraph('<b>%s</b>' % a, style)) data.append(header_flowables) for n in range(0, num_rows): data.append(['', '', '', '']) rowheights.append(39) t=Table(data, field_widths, rowheights) GRID_STYLE = TableStyle([ ('GRID', (0,0), (-1,-1), 0.25, colors.black), ('FONT', (0,0), (-1,-1), 'HandSean'), ('BOX',(0,0),(-1,-1),2,colors.black) ]) t.setStyle(GRID_STYLE) frame = Frame(x, y, width, height, showBoundary=0, leftPadding=0, bottomPadding=0, rightPadding=0, topPadding=0) frame.addFromList([t], self.canvas)
def get_basemap_and_extents(self, map_type, zoom, center, width, height): import os, urllib, StringIO, Image #units.Units.add_pixels_to_latlng(center_lat, center_lng, zoom, 300, 300) map_url = None if map_type.overlay_source.name == 'cloudmade': styleid = map_type.provider_id api_key = settings.CLOUDMADE_KEY map_url = 'http://staticmaps.cloudmade.com/' + api_key + \ '/staticmap?styleid=' + styleid + '&zoom=' + str(zoom) + \ '¢er=' + str(center.y) + ',' + str(center.x) + \ '&size=' + str(width) + 'x' + str(height) #if google is the map provider: else: scale_factor = 1 if not settings.IS_GOOGLE_REGISTERED_NONPROFIT: zoom, width, height = zoom-1, int(width/2), int(height/2) scale_factor = 2 map_url = map_type.wms_url + '&zoom=' + str(zoom) + '¢er=' + \ str(center.y) + ',' + str(center.x) + '&size=' + str(width) + \ 'x' + str(height) + '&scale=' + str(scale_factor) #calculate extents (returns geos Point): #(0,0) in pacific northwest; x = lat, y = lng northeast = Units.add_pixels_to_latlng(center.clone(), zoom, int(width/2), -1*int(height/2)) southwest = Units.add_pixels_to_latlng(center.clone(), zoom, -1*int(width/2), int(height/2)) try: file = urllib.urlopen(map_url) map_image = StringIO.StringIO(file.read()) # constructs a StringIO holding the image map_image = Image.open(map_image).convert('RGB') except IOError: error_image_url = 'https://chart.googleapis.com/chart?chst=d_fnote_title&chld=sticky_y|1|FF0000|l|Map%20Service%20Unavailable|' file = urllib.urlopen(error_image_url) map_image = StringIO.StringIO(file.read()) # constructs a StringIO holding the image map_image = Image.open(map_image).convert('RGB') return { 'map_image': map_image, 'northeast': northeast, 'southwest': southwest }
def add_footer(self, qr_image, uuID, instructions): # output QR-code: self.qr_size = Units.pixel_to_point(qr_image.size[0]) x = self.origin_x + self.inner_width - self.qr_size #align right self.canvas.drawInlineImage(qr_image, x, self.origin_y, self.qr_size, self.qr_size) # output Print ID: items = [] style = ParagraphStyle(name='Helvetica', fontName='Helvetica', fontSize=10) items.append(Paragraph('Print ID: ' + uuID, style)) frame = Frame(x, self.origin_y-self.qr_size, self.inner_width-self.qr_size, self.qr_size, showBoundary=0, leftPadding=0, bottomPadding=0, rightPadding=0, topPadding=0) frame.addFromList(items, self.canvas) # output default instructions: link_text = "When you're done drawing on the map, scan or photograph it and \ submit it to our website: http://localground.org/upload, or \ email it to [email protected]." items = [] style = ParagraphStyle( name='Helvetica', fontName='Helvetica', fontSize=8, backColor=colors.HexColor(0xEEEEEE), borderColor=colors.HexColor(0xEEEEEE), leftIndent=0, rightIndent=0, spaceBefore=5, spaceAfter=5, borderWidth=5) items.append(Paragraph(link_text, style)) padding_x, padding_y = -4, 12 width, height = self.inner_width - self.qr_size, self.qr_size frame = Frame(self.origin_x+padding_x, self.origin_y+3, width, height, showBoundary=0) frame.addFromList(items, self.canvas) # output custom instructions: items = [] style = ParagraphStyle(name='Helvetica', fontName='Helvetica', fontSize=10) items.append(Paragraph(instructions, style)) frame = Frame(self.origin_x+padding_x-2, self.origin_y-padding_y, width, height-15, showBoundary=0) frame.addFromList(items, self.canvas)