For example, you want to set 40% alpha transparence to #000000
(black color), you need to add 66
like this #66000000
.
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import 'dart:async' as async; | |
import 'dart:math' as math; | |
import 'dart:ui' as ui; | |
import 'package:flutter/foundation.dart'; | |
import 'package:flutter/gestures.dart'; | |
import 'package:flutter/material.dart'; | |
import 'package:flutter/rendering.dart'; | |
void main() => runApp( |
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# usage: `python ~/Desktop/contours.py 1994-654-12_v02.tif` | |
# output is to a squareless.txt file and the directory "out" | |
# Working well with thumbnails with 400px as their longest side - untested with other dimensions | |
# for i in $(ls -1 | grep tif); do python /Users/artsyinc/Documents/resistance/experiments/artwork_image_cropping/contours.py $i; done | |
import cv2 | |
import numpy as np | |
from matplotlib import pyplot as plt | |
import sys |