ircart/scroll
ircart/scroll
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Fully implemented contrast, brightness, & effects for .ascii img

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This commit is contained in:
Dionysus 2023-06-28 15:49:11 -04:00
parent 8fbc870f58
commit 03cd2c405b
Signed by: acidvegas
GPG Key ID: EF4B922DB85DC9DE
3 changed files with 30 additions and 19 deletions
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26
README.md
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@ -31,17 +31,21 @@ Designed to be portable, there is no API key needed, no local art files needed,
**NOTE**: The sync & settings commands are admin only! `admin` is a *nick!user@host* mask defined in [scroll.py](https://github.com/ircart/scroll/blob/master/scroll.py) **NOTE**: The sync & settings commands are admin only! `admin` is a *nick!user@host* mask defined in [scroll.py](https://github.com/ircart/scroll/blob/master/scroll.py)
## Settings ## Settings
| Setting | Description | | Setting | Type | Default | Description |
| -------------- | ---------------------------------------------------------------------------- | | ---------------- | ------------ | ------------------------------------------------------------------------------ |
| `flood` | delay between each command | | `flood` | int or float | delay between each command |
| `ignore` | directories to ignore in `.ascii random` *(comma seperated list, no spaces)* | | `ignore` | str | directories to ignore in `.ascii random` *(comma seperated list, no spaces)* |
| `lines` | max lines outside of #scroll | | `lines` | int | max lines outside of #scroll |
| `msg` | delay between each message sent | | `msg` | int or float | delay between each message sent |
| `paste` | enable or disable `.ascii play` | | `paste` | boolean | enable or disable `.ascii play` |
| `png_contrast` | enable or disable contrast enhancement for `.ascii img` output | | `png_brightness` | int or float | increase or decrease brightness for `.ascii img` output |
| `png_palette` | palette option for `.ascii img` output *(RGB99 or RGB88)* | | `png_contrast` | int or float | increase or decrease contrast for `.ascii img` output |
| `png_width` | maximum width for `.ascii img` output | | `png_effect` | str | change the effect for `.ascii img` output *(greyscale, blackwhite, or invert)* |
| `results` | max results to return in `.ascii search` | | `png_palette` | str | palette option for `.ascii img` output *(RGB99 or RGB88)* |
| `png_width` | int | maximum width for `.ascii img` output |
| `results` | int | max results to return in `.ascii search` |
**NOTE**: Setting **0** to `png_brightness`, `png_contrast`, or `png_effect` will disable the setting.
## Preview ## Preview

13
img2irc.py
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@ -5,7 +5,7 @@
Props: Props:
- forked idea from malcom's img2irc (https://github.com/waveplate/img2irc) - forked idea from malcom's img2irc (https://github.com/waveplate/img2irc)
- big props to wrk (wr34k) for forking this one - big props to wrk (wr34k) for forking this one
- contrast enhancement, effects, & RBG88 added by acidvegas - brightness/contrast/effects & more added by acidvegas
pull request: https://github.com/ircart/scroll/pull/3 pull request: https://github.com/ircart/scroll/pull/3
@ -18,6 +18,7 @@ try:
except ImportError: except ImportError:
raise SystemExit('missing required \'pillow\' library (https://pypi.org/project/pillow/)') raise SystemExit('missing required \'pillow\' library (https://pypi.org/project/pillow/)')
effects = ('greyscale', 'blackwhite', 'invert')
palettes = { palettes = {
'RGB88': [0xffffff, 0x000000, 0x00007f, 0x009300, 0xff0000, 0x7f0000, 0x9c009c, 0xfc7f00, 'RGB88': [0xffffff, 0x000000, 0x00007f, 0x009300, 0xff0000, 0x7f0000, 0x9c009c, 0xfc7f00,
0xffff00, 0x00fc00, 0x009393, 0x00ffff, 0x0000fc, 0xff00ff, 0x0, 0x0, 0xffff00, 0x00fc00, 0x009393, 0x00ffff, 0x0000fc, 0xff00ff, 0x0, 0x0,
@ -46,14 +47,18 @@ palettes = {
0xbcbcbc, 0xe2e2e2, 0xffffff] 0xbcbcbc, 0xe2e2e2, 0xffffff]
} }
def convert(data, max_line_len, img_width=80, palette='RGB99', enhance=False, effect=None): def convert(data, max_line_len, img_width=80, palette='RGB99', brightness=False, contrast=False, effect=None):
if palette not in palettes: if palette not in palettes:
raise Exception('invalid palette option') raise Exception('invalid palette option')
if effect and effect not in effects:
raise Exception('invalid effect option')
palette = palettes[palette] palette = palettes[palette]
image = Image.open(io.BytesIO(data)) image = Image.open(io.BytesIO(data))
del data del data
if enhance: if birghtness:
image = ImageEnhance.Contrast(image) image = ImageEnhance.Brightness(im).enhance(brightness)
if contrast:
image = ImageEnhance.Contrast(image).enhance(contrast)
if effect == 'greyscale': if effect == 'greyscale':
image = image.convert("L") image = image.convert("L")
elif effect == 'blackwhite': elif effect == 'blackwhite':

10
scroll.py
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@ -84,7 +84,7 @@ class Bot():
self.loops = dict() self.loops = dict()
self.host = '' self.host = ''
self.playing = False self.playing = False
self.settings = {'flood':1, 'ignore':'big,birds,doc,gorf,hang,nazi,pokemon', 'lines':500, 'msg':0.03, 'paste':True, 'png_contrast':False, 'png_palette':'RGB99', 'png_width':80, 'results':25} self.settings = {'flood':1, 'ignore':'big,birds,doc,gorf,hang,nazi,pokemon', 'lines':500, 'msg':0.03, 'paste':True, 'png_brightness':0, 'png_contrast':0, 'png_effect':None, 'png_palette':'RGB99', 'png_width':80, 'results':25}
self.slow = False self.slow = False
self.reader = None self.reader = None
self.writer = None self.writer = None
@ -256,7 +256,7 @@ class Bot():
if url.startswith('https://') or url.startswith('http://'): if url.startswith('https://') or url.startswith('http://'):
try: try:
content = get_url(url).read() content = get_url(url).read()
ascii = img2irc.convert(content, 512 - len(f":{identity.nickname}!{identity.username}@{self.host} PRIVMSG {chan} :\r\n"), int(self.settings['png_width']), self.settings['png_palette'], self.settings['png_contrast']) ascii = img2irc.convert(content, 512 - len(f":{identity.nickname}!{identity.username}@{self.host} PRIVMSG {chan} :\r\n"), int(self.settings['png_width']), self.settings['png_palette'], self.settings['png_brightness'], self.settings['png_contrast'], self.settings['png_effect'])
except Exception as ex: except Exception as ex:
await self.irc_error(chan, 'failed to convert image', ex) await self.irc_error(chan, 'failed to convert image', ex)
else: else:
@ -311,14 +311,14 @@ class Bot():
setting = args[2] setting = args[2]
option = args[3] option = args[3]
if setting in self.settings: if setting in self.settings:
if setting in ('flood','lines','msg','png_width','results'): if setting in ('flood','lines','msg','png_brightness','png_contrast','png_width','results'):
try: try:
option = float(option) option = float(option)
self.settings[setting] = option self.settings[setting] = option
await self.sendmsg(chan, color('OK', light_green)) await self.sendmsg(chan, color('OK', light_green))
except ValueError: except ValueError:
await self.irc_error(chan, 'invalid option', 'must be a float or int') await self.irc_error(chan, 'invalid option', 'must be a float or int')
elif setting in ('paste', 'png_contrast'): elif setting == 'paste':
if option == 'on': if option == 'on':
self.settings[setting] = True self.settings[setting] = True
await self.sendmsg(chan, color('OK', light_green)) await self.sendmsg(chan, color('OK', light_green))
@ -327,6 +327,8 @@ class Bot():
await self.sendmsg(chan, color('OK', light_green)) await self.sendmsg(chan, color('OK', light_green))
else: else:
await self.irc_error(chan, 'invalid option', 'must be on or off') await self.irc_error(chan, 'invalid option', 'must be on or off')
elif setting == 'png_effect' and option in ('false','none','off','0'):
self.settings[setting] = None
else: else:
self.settings[setting] = option self.settings[setting] = option
await self.sendmsg(chan, color('OK', light_green)) await self.sendmsg(chan, color('OK', light_green))