mirror of
https://github.com/enzet/map-machine.git
synced 2025-05-04 12:46:41 +02:00
313 lines
9.8 KiB
Python
313 lines
9.8 KiB
Python
from dataclasses import dataclass
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from typing import Dict, List, Optional
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import numpy as np
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import svgwrite
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from colour import Color
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from roentgen.color import is_bright
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from roentgen.icon import Shape
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from roentgen.osm_reader import Tagged
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from roentgen.scheme import Icon, Scheme
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from roentgen.text import get_address, get_text
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DEFAULT_FONT: str = "Roboto"
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DEFAULT_COLOR: Color = Color("#444444")
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@dataclass
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class TextStruct:
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"""
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Some label on the map with attributes.
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"""
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text: str
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fill: Color = DEFAULT_COLOR
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size: float = 10.0
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class Occupied:
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def __init__(self, width: int, height: int, overlap: float):
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self.matrix = np.full((int(width), int(height)), False, dtype=bool)
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self.width = width
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self.height = height
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self.overlap = overlap
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def check(self, point) -> bool:
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if 0 <= point[0] < self.width and 0 <= point[1] < self.height:
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return self.matrix[point[0], point[1]] == True
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return True
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def register(self, point) -> None:
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if 0 <= point[0] < self.width and 0 <= point[1] < self.height:
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self.matrix[point[0], point[1]] = True
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assert self.matrix[point[0], point[1]] == True
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def construct_text(
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tags, processed, scheme, draw_captions) -> List["TextStruct"]:
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"""
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Construct labels for not processed tags.
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"""
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texts: List[TextStruct] = []
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name = None
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alt_name = None
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if "name" in tags:
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name = tags["name"]
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tags.pop("name", None)
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if "name:ru" in tags:
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if not name:
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name = tags["name:ru"]
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tags.pop("name:ru", None)
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tags.pop("name:ru", None)
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if "name:en" in tags:
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if not name:
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name = tags["name:en"]
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tags.pop("name:en", None)
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tags.pop("name:en", None)
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if "alt_name" in tags:
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if alt_name:
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alt_name += ", "
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else:
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alt_name = ""
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alt_name += tags["alt_name"]
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tags.pop("alt_name")
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if "old_name" in tags:
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if alt_name:
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alt_name += ", "
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else:
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alt_name = ""
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alt_name += "ex " + tags["old_name"]
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address: List[str] = get_address(tags, draw_captions)
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if name:
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texts.append(TextStruct(name, Color("black")))
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if alt_name:
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texts.append(TextStruct(f"({alt_name})"))
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if address:
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texts.append(TextStruct(", ".join(address)))
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if draw_captions == "main":
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return texts
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for text in get_text(tags): # type: str
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if text:
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texts.append(TextStruct(text))
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if "route_ref" in tags:
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texts.append(TextStruct(tags["route_ref"].replace(";", " ")))
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tags.pop("route_ref", None)
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if "cladr:code" in tags:
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texts.append(TextStruct(tags["cladr:code"], size=7))
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tags.pop("cladr:code", None)
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if "website" in tags:
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link = tags["website"]
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if link[:7] == "http://":
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link = link[7:]
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if link[:8] == "https://":
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link = link[8:]
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if link[:4] == "www.":
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link = link[4:]
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if link[-1] == "/":
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link = link[:-1]
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link = link[:25] + ("..." if len(tags["website"]) > 25 else "")
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texts.append(TextStruct(link, Color("#000088")))
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tags.pop("website", None)
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for k in ["phone"]:
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if k in tags:
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texts.append(TextStruct(tags[k], Color("#444444")))
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tags.pop(k)
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for tag in tags:
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if scheme.is_writable(tag) and not (tag in processed):
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texts.append(TextStruct(tags[tag]))
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return texts
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def in_range(position, points) -> bool:
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return (
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0 <= position[0] < len(points) and
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0 <= position[1] < len(points[0]))
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class Point(Tagged):
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"""
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Object on the map with no dimensional attributes.
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It may have icons and text.
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"""
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def __init__(
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self, icon: Icon, tags: Dict[str, str], point: np.array,
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coordinates: np.array, priority: float = 0,
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is_for_node: bool = True, draw_outline: bool = True
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):
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super().__init__()
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assert point is not None
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self.icon_set: Icon = icon
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self.tags: Dict[str, str] = tags
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self.point: np.array = point
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self.coordinates: np.array = coordinates
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self.priority: float = priority
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self.layer: float = 0
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self.is_for_node: bool = is_for_node
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self.draw_outline: bool = draw_outline
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self.y = 0
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self.main_icon_painted: bool = False
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def draw_main_shapes(
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self, svg: svgwrite.Drawing, occupied: Optional[Occupied] = None
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) -> None:
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"""
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Draw main shape for one node.
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"""
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if (self.icon_set.main_icon and
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(not self.icon_set.main_icon[0].is_default() or
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self.is_for_node)):
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position = self.point + np.array((0, self.y))
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self.main_icon_painted: bool = self.draw_point_shape(
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svg, self.icon_set.main_icon,
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position, self.icon_set.color, occupied,
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tags=self.tags)
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if self.main_icon_painted:
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self.y += 16
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def draw_extra_shapes(
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self, svg: svgwrite.Drawing, occupied: Optional[Occupied] = None
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) -> None:
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"""
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Draw secondary shapes.
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"""
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if not self.icon_set.extra_icons or not self.main_icon_painted:
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return
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is_place_for_extra: bool = True
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if occupied:
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left: float = -(len(self.icon_set.extra_icons) - 1) * 8
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for shape_ids in self.icon_set.extra_icons:
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if occupied.check(
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(int(self.point[0] + left),
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int(self.point[1] + self.y))):
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is_place_for_extra = False
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break
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left += 16
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if is_place_for_extra:
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left: float = -(len(self.icon_set.extra_icons) - 1) * 8
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for shape_ids in self.icon_set.extra_icons:
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self.draw_point_shape(
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svg, shape_ids, self.point + np.array((left, self.y)),
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Color("#888888"), occupied)
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left += 16
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if self.icon_set.extra_icons:
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self.y += 16
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def draw_point_shape(
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self, svg: svgwrite.Drawing, shapes: List[Shape], position,
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fill: Color, occupied, tags: Optional[Dict[str, str]] = None
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) -> bool:
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"""
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Draw one combined icon and its outline.
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"""
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# Down-cast floats to integers to make icons pixel-perfect.
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position = list(map(int, position))
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if occupied and occupied.check(position):
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return False
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# Draw outlines.
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if self.draw_outline:
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for icon in shapes: # type: Shape
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bright: bool = is_bright(fill)
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color: Color = Color("black") if bright else Color("white")
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opacity: float = 0.7 if bright else 0.5
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icon.draw(svg, position, color, opacity=opacity, outline=True)
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# Draw icons.
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for icon in shapes: # type: Shape
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icon.draw(svg, position, fill, tags=tags)
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if occupied:
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overlap: int = occupied.overlap
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for i in range(-overlap, overlap):
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for j in range(-overlap, overlap):
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occupied.register((position[0] + i, position[1] + j))
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return True
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def draw_texts(
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self, svg: svgwrite.Drawing, scheme: Scheme, occupied: Occupied,
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draw_captions):
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"""
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Draw all labels.
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"""
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text_structures: List[TextStruct] = construct_text(
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self.tags, self.icon_set.processed, scheme, draw_captions)
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for text_struct in text_structures: # type: TextStruct
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text = text_struct.text
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text = text.replace(""", '"')
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text = text.replace("&", '&')
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text = text[:26] + ("..." if len(text) > 26 else "")
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self.draw_text(
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svg, text, self.point + np.array((0, self.y)),
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occupied, text_struct.fill, size=text_struct.size)
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def draw_text(
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self, svg: svgwrite.Drawing, text: str, point, occupied: Occupied,
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fill: Color, size: float = 10.0, out_fill=Color("white"),
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out_opacity: float = 0.5, out_fill_2: Optional[Color] = None,
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out_opacity_2: float = 1.0
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) -> None:
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"""
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Drawing text.
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###### ### outline 2
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#------# --- outline 1
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#| Text |#
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#------#
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######
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"""
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length = len(text) * 6
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if occupied:
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is_occupied: bool = False
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for i in range(-int(length / 2), int(length / 2)):
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if occupied.check((int(point[0] + i), int(point[1] - 4))):
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is_occupied = True
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break
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if is_occupied:
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return
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for i in range(-int(length / 2), int(length / 2)):
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for j in range(-12, 5):
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occupied.register((int(point[0] + i), int(point[1] + j)))
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# svg.add(svg.rect((point[0] + i, point[1] + j), (1, 1)))
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if out_fill_2:
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svg.add(svg.text(
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text, point, font_size=size, text_anchor="middle",
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font_family=DEFAULT_FONT, fill=out_fill_2.hex,
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stroke_linejoin="round", stroke_width=5,
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stroke=out_fill_2.hex, opacity=out_opacity_2
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))
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if out_fill:
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svg.add(svg.text(
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text, point, font_size=size, text_anchor="middle",
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font_family=DEFAULT_FONT, fill=out_fill.hex,
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stroke_linejoin="round", stroke_width=3,
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stroke=out_fill.hex, opacity=out_opacity
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))
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svg.add(svg.text(
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text, point, font_size=size, text_anchor="middle",
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font_family=DEFAULT_FONT, fill=fill.hex
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))
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self.y += 11
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