1j01/textual-paint
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WIP: use Rich API for saving SVG

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This commit is contained in:
Isaiah Odhner 2023-05-01 19:23:57 -04:00
parent c17ff44562
commit 6d2529bdf2
2 changed files with 50 additions and 24 deletions
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1
cspell.json
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@ -47,6 +47,7 @@
"pypixelart",
"pyright",
"pyxdg",
"renderable",
"rmam",
"setterm",
"setuptools",

73
src/textual_paint/paint.py
View File

@ -1,5 +1,6 @@
#!/usr/bin/env python3
import io
import os
import re
import shlex
@ -16,6 +17,8 @@ from watchdog.observers import Observer
import stransi
from rich.segment import Segment
from rich.style import Style
from rich.console import Console, RenderableType
from rich.text import Text
from textual import events
from textual.message import Message
from textual.app import App, ComposeResult
@ -676,31 +679,53 @@ pre {
def get_svg(self) -> str:
"""Get the SVG representation of the document."""
css = """
pre {
overflow: hidden;
margin: 0;
padding: 0;
}
svg {
font: 10px monospace;
line-height: 1;
}
span,
font {
display: inline-block;
}
"""
svg = f"""<?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg" width="{self.width}ch" height="{self.height}lh">
<style>{css}</style>
<foreignObject x="0" y="0" width="80ch" height="38lh">
<pre xmlns="http://www.w3.org/1999/xhtml">{self.get_pre_inner_xhtml()}</pre>
</foreignObject>
</svg>
"""
return svg
# css = """
# pre {
# overflow: hidden;
# margin: 0;
# padding: 0;
# }
# svg {
# font: 10px monospace;
# line-height: 1;
# }
# span,
# font {
# display: inline-block;
# }
# """
# svg = f"""<?xml version="1.0" encoding="UTF-8"?>
# <svg xmlns="http://www.w3.org/2000/svg" width="{self.width}ch" height="{self.height}lh">
# <style>{css}</style>
# <foreignObject x="0" y="0" width="80ch" height="38lh">
# <pre xmlns="http://www.w3.org/1999/xhtml">{self.get_pre_inner_xhtml()}</pre>
# </foreignObject>
# </svg>
# """
# return svg
console = self.get_console()
return console.export_svg(title=_("Painting"))
def get_renderable(self) -> RenderableType:
"""Get a Rich renderable for the document."""
# This is kind of roundabout.
# TODO: self.get_ansi should use this, not the other way around.
return Text.from_ansi(self.get_ansi())
def get_console(self) -> Console:
"""Get a Rich Console with the document rendered in it."""
console = Console(
width=self.width,
height=self.height,
file=io.StringIO(),
force_terminal=True,
color_system="truecolor",
record=True,
legacy_windows=False,
)
console.print(self.get_renderable())
return console
@staticmethod
def from_ascii(text: str, default_bg: str = "#ffffff", default_fg: str = "#000000") -> 'AnsiArtDocument':
"""Creates a document from the given ASCII plain text."""