pavelvlasov/screenshot.js

## screenshot.js
'use strict';

var system = require('system');

var html = system.args[1];
var width = system.args[2];
var height = system.args[3];

var page = require('webpage').create();

page.viewportSize = { width: Number(width), height: Number(height) };
page.clipRect = { width: Number(width), height: Number(height) };

page.onLoadFinished = function (status) {
    try {
        if (status !== 'success') {
            return phantom.exit(1)
        }

        system.stdout.write('data:image/png;base64,' + page.renderBase64('PNG'));
        phantom.exit();
    } catch(err) {
        console.error(err)
        phantom.exit(1);
    }
}

page.setContent('<!DOCTYPE html>' + decodeURI(html), 'http://example.com');

setTimeout(function () {
    phantom.exit(1)
}, 500);

## take-screenshot.ts
import {exec} from "child_process"
import * as path from "path"
const isOsx = Boolean(process.env.OSX as string);

const phantomJsPath = path.resolve(__dirname, "./phantomjs")
const PREFIX = "data:image/png;base64,"

export default (
    htmlString: string,
    width: number,
    height: number,
): Promise<Buffer> => {
    return new Promise((resolve, reject) => {
        try {
            const cmd = [
                `${path.join(phantomJsPath, isOsx ? "phantomjs_osx" : "phantomjs_linux-x86_64")}`,
                "--debug=yes --ignore-ssl-errors=true",
                `${path.join(phantomJsPath, "./screenshot.js")}`,
                `"${encodeURI(htmlString)}" ${width} ${height}`
            ].join(" ")

            exec(cmd, (err, stdout, stderr) => {
                if (err) {
                    return reject(err);
                }

                if (stdout.startsWith(PREFIX)) {
                    resolve(new Buffer(stdout.substring(PREFIX.length), "base64"))
                } else {
                    reject(new Error("Unknown error"))
                }
            })
        } catch (err) {
            reject(err)
        }
    })
}
	'use strict';

	var system = require('system');

	var html = system.args[1];
	var width = system.args[2];
	var height = system.args[3];

	var page = require('webpage').create();

	page.viewportSize = { width: Number(width), height: Number(height) };
	page.clipRect = { width: Number(width), height: Number(height) };

	page.onLoadFinished = function (status) {
	try {
	if (status !== 'success') {
	return phantom.exit(1)
	}

	system.stdout.write('data:image/png;base64,' + page.renderBase64('PNG'));
	phantom.exit();
	} catch(err) {
	console.error(err)
	phantom.exit(1);
	}
	}

	page.setContent('<!DOCTYPE html>' + decodeURI(html), 'http://example.com');

	setTimeout(function () {
	phantom.exit(1)
	}, 500);
	import {exec} from "child_process"
	import * as path from "path"
	const isOsx = Boolean(process.env.OSX as string);

	const phantomJsPath = path.resolve(__dirname, "./phantomjs")
	const PREFIX = "data:image/png;base64,"

	export default (
	htmlString: string,
	width: number,
	height: number,
	): Promise<Buffer> => {
	return new Promise((resolve, reject) => {
	try {
	const cmd = [
	`${path.join(phantomJsPath, isOsx ? "phantomjs_osx" : "phantomjs_linux-x86_64")}`,
	"--debug=yes --ignore-ssl-errors=true",
	`${path.join(phantomJsPath, "./screenshot.js")}`,
	`"${encodeURI(htmlString)}" ${width} ${height}`
	].join(" ")

	exec(cmd, (err, stdout, stderr) => {
	if (err) {
	return reject(err);
	}

	if (stdout.startsWith(PREFIX)) {
	resolve(new Buffer(stdout.substring(PREFIX.length), "base64"))
	} else {
	reject(new Error("Unknown error"))
	}
	})
	} catch (err) {
	reject(err)
	}
	})
	}