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#!/usr/bin/env node
process.title = 'imgcat'
var ansi = require('../../')
, cursor = ansi(process.stdout, { enabled: true })
, tty = require('tty')
, Canvas = require('canvas')
, imageFile = process.argv[2] || __dirname + '/yoshi.png'
, screenWidth = process.stdout.isTTY ? process.stdout.getWindowSize()[0] : Infinity
, maxWidth = parseInt(process.argv[3], 10) || screenWidth
, image = require('fs').readFileSync(imageFile)
, pixel = ' '
, alphaThreshold = 0
var img = new Canvas.Image();
img.src = image;
function draw () {
var width = maxWidth / pixel.length
, scaleW = img.width > width ? width / img.width : 1
, w = Math.floor(img.width * scaleW)
, h = Math.floor(img.height * scaleW);
var canvas = new Canvas(w, h)
, ctx = canvas.getContext('2d');
ctx.drawImage(img, 0, 0, w, h);
var data = ctx.getImageData(0, 0, w, h).data;
for (var i=0, l=data.length; i<l; i+=4) {
var r = data[i]
, g = data[i+1]
, b = data[i+2]
, alpha = data[i+3];
if (alpha > alphaThreshold) {
cursor.bg.rgb(r, g, b);
} else {
cursor.bg.reset();
}
process.stdout.write(pixel);
if ((i/4|0) % w === (w-1)) {
cursor.bg.reset();
process.stdout.write('\n');
}
}
}
draw();
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