Add some endpoints and the UUID thing.

This commit is contained in:
lucaswadedavis 2016-12-16 18:54:21 -08:00
parent 320babd04e
commit af5f06f0d9
2 changed files with 42 additions and 14 deletions

View file

@ -20,6 +20,7 @@
"canvas": "^1.6.2",
"chance": "^1.0.4",
"express": "^4.14.0",
"node-gyp": "^3.4.0"
"node-gyp": "^3.4.0",
"uuid": "^3.0.1"
}
}

View file

@ -1,25 +1,36 @@
var fs = require('fs');
var express = require('express');
var uuid = require('uuid/v4');
var Canvas = require('canvas');
var Fox = require('./js/fox.js');
var renderFox = require('./js/render-fox.js');
function composeImage(width, height, seed) {
var fox = Fox(width, height, seed);
var canvas = new Canvas(width, height);
var ctx = canvas.getContext('2d');
renderFox(canvas, fox);
return canvas;
};
function writeFoxToDisk (width, height, seed) {
if (seed === undefined) seed = uuid();
var canvas = composeImage(width, height, seed);
var fileName = "fox-" + seed + ".png";
var filePath = __dirname + '/images/' + fileName;
fs.writeFile(filePath, canvas.toBuffer(), function(err) {
if (err) console.log('error', err);
});
return fileName;
};
function writeFoxesToDisk (width, height, n=10) {
var fileNames = [];
for (var i = 0; i < n; i++) {
var canvas = new Canvas(width, height);
var ctx = canvas.getContext('2d');
var fox = Fox(width, height);
renderFox(canvas, fox);
var fileName = "fox" + Math.floor(Math.random() * 10000) + ".png";
var filePath = __dirname + '/images/' + fileName;
fs.writeFile(filePath, canvas.toBuffer(), function(err) {
if (err) console.log('error', err);
});
fileNames.push(fileName);
fileNames.push(writeFoxToDisk(width, height));
}
return fileNames;
};
@ -29,10 +40,26 @@ var app = express();
app.use(express.static(__dirname + '/images'));
app.get('/', function(req, res) {
var fileNames = writeFoxesToDisk(400, 400, 30);
var fileNames = writeFoxesToDisk(200, 200, 28);
var images = fileNames.map(fileName => '<img src="/' + fileName + '"/>');
res.send(images.join(''));
});
app.get('/:width', function(req, res) {
var width = parseInt(req.params.width);
if (!width) width = 400;
var fileName = writeFoxToDisk(width, width);
res.send('<img src="/' + fileName + '"/>');
});
app.get('/:width/:seed', function(req, res) {
var width = parseInt(req.params.width);
var seed = req.params.seed;
if (width === undefined) width = 400;
if (seed === undefined) seed = uuid();
var fileName = writeFoxToDisk(width, width, seed);
res.send('<img src="/' + fileName + '"/>');
});
app.listen(process.env.PORT || 3000);
console.log('listening on http://localhost:3000');