mirror of
https://github.com/ihabunek/toot.git
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c5414a8e21
Useful for terminals that do not support truecolor, such as MacOS Terminal. Requires term-image 0.7.2 or later.
117 lines
3.9 KiB
Python
117 lines
3.9 KiB
Python
import urwid
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import math
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import requests
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import warnings
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# If term_image is loaded use their screen implementation which handles images
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try:
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from term_image.widget import UrwidImageScreen, UrwidImage
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from term_image.image import BaseImage, KittyImage, ITerm2Image, BlockImage
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from term_image import disable_queries # prevent phantom keystrokes
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from PIL import Image, ImageDraw
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_IMAGE_PIXEL_FORMATS = frozenset({'kitty', 'iterm'})
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_ImageCls = None
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TuiScreen = UrwidImageScreen
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disable_queries()
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def image_support_enabled():
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return True
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def can_render_pixels(image_format):
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return image_format in _IMAGE_PIXEL_FORMATS
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def get_base_image(image, image_format, colors) -> BaseImage:
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# we don't autodetect kitty, iterm; we choose based on option switches
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global _ImageCls
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if not _ImageCls:
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_ImageCls = (
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KittyImage
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if image_format == 'kitty'
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else ITerm2Image
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if image_format == 'iterm'
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else BlockImage
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)
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_ImageCls.forced_support = True
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if colors == 256 and not can_render_pixels(image_format):
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_ImageCls.set_render_method("INDEXED")
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return _ImageCls(image)
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def resize_image(basewidth: int, baseheight: int, img: Image.Image) -> Image.Image:
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if baseheight and not basewidth:
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hpercent = baseheight / float(img.size[1])
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width = math.ceil(img.size[0] * hpercent)
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img = img.resize((width, baseheight), Image.Resampling.LANCZOS)
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elif basewidth and not baseheight:
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wpercent = (basewidth / float(img.size[0]))
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hsize = int((float(img.size[1]) * float(wpercent)))
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img = img.resize((basewidth, hsize), Image.Resampling.LANCZOS)
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else:
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img = img.resize((basewidth, baseheight), Image.Resampling.LANCZOS)
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if img.mode != 'P':
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img = img.convert('RGB')
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return img
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def add_corners(img, rad):
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circle = Image.new('L', (rad * 2, rad * 2), 0)
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draw = ImageDraw.Draw(circle)
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draw.ellipse((0, 0, rad * 2, rad * 2), fill=255)
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alpha = Image.new('L', img.size, "white")
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w, h = img.size
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alpha.paste(circle.crop((0, 0, rad, rad)), (0, 0))
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alpha.paste(circle.crop((0, rad, rad, rad * 2)), (0, h - rad))
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alpha.paste(circle.crop((rad, 0, rad * 2, rad)), (w - rad, 0))
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alpha.paste(circle.crop((rad, rad, rad * 2, rad * 2)), (w - rad, h - rad))
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img.putalpha(alpha)
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return img
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def load_image(url):
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with warnings.catch_warnings():
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warnings.simplefilter("ignore") # suppress "corrupt exif" output from PIL
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try:
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img = Image.open(requests.get(url, stream=True).raw)
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if img.format == 'PNG' and img.mode != 'RGBA':
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img = img.convert("RGBA")
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return img
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except Exception:
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return None
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def graphics_widget(img, image_format="block", corner_radius=0, colors=16777216) -> urwid.Widget:
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if not img:
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return urwid.SolidFill(fill_char=" ")
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if can_render_pixels(image_format) and corner_radius > 0:
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render_img = add_corners(img, 10)
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else:
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render_img = img
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return UrwidImage(get_base_image(render_img, image_format, colors), '<', upscale=True)
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# "<" means left-justify the image
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except ImportError:
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from urwid.raw_display import Screen
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TuiScreen = Screen
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def image_support_enabled():
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return False
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def can_render_pixels(image_format: str):
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return False
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def get_base_image(image, image_format: str):
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return None
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def add_corners(img, rad):
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return None
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def load_image(url):
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return None
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def graphics_widget(img, image_format="block", corner_radius=0) -> urwid.Widget:
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return urwid.SolidFill(fill_char=" ")
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