1j01/textual-paint
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Start defining an enlarged view for certain characters

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Isaiah Odhner 2023-04-19 22:02:31 -04:00
parent e48c9cc632
commit 7cdb35a4ae
1 changed files with 35 additions and 0 deletions
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35
paint.py
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@ -774,6 +774,8 @@ class Canvas(Widget):
bg = self.image.bg[y // self.magnification][x // self.magnification] bg = self.image.bg[y // self.magnification][x // self.magnification]
fg = self.image.fg[y // self.magnification][x // self.magnification] fg = self.image.fg[y // self.magnification][x // self.magnification]
ch = self.image.ch[y // self.magnification][x // self.magnification] ch = self.image.ch[y // self.magnification][x // self.magnification]
if self.magnification > 1:
ch = self.big_ch(ch, x % self.magnification, y % self.magnification)
style = Style.parse(fg+" on "+bg) style = Style.parse(fg+" on "+bg)
if self.magnifier_preview_region and self.magnifier_preview_region.contains(x, y) and not inner_magnifier_preview_region.contains(x, y): if self.magnifier_preview_region and self.magnifier_preview_region.contains(x, y) and not inner_magnifier_preview_region.contains(x, y):
# invert the colors # invert the colors
@ -793,6 +795,39 @@ class Canvas(Widget):
(region.width + 2) * self.magnification, (region.width + 2) * self.magnification,
(region.height + 2) * self.magnification, (region.height + 2) * self.magnification,
)) ))
def big_ch(self, ch: str, x: int, y: int) -> str:
"""Return a character part of a meta-glyph."""
if ch == " ":
return " "
if ch == "█":
return "█"
if ch == "▄":
if y < self.magnification // 2:
return " "
else:
return "█"
if ch == "▀":
if y < self.magnification // 2:
return "█"
else:
return " "
if ch == "▌":
if x < self.magnification // 2:
return "█"
else:
return " "
if ch == "▐":
if x < self.magnification // 2:
return " "
else:
return "█"
# Fall back to showing the character for a single cell.
# if x == 0 and y == 0:
if x == self.magnification // 2 and y == self.magnification // 2:
return ch
else:
return " "
class PaintApp(App): class PaintApp(App):