dthompso99 / node-desktop-screenshot

Cross-platform screenshot module, using external tools

node-desktop-screenshot

Take a screenshot of the computer on which Node is running, using platform-specific external tools included with the package

Supports Windows (win32), OSX (darwin) and Linux platforms

Windows version uses nircmd (http://nircmd.nirsoft.net) Linux version uses scrot

Available Options

• quality: JPEG quality (0 to 100)
• width: use in conjunction with height, or by itself to maintain aspect ratio
• height: use in conjunction with width, or by itself to maintain aspect ratio

Examples

Full resolution

var screenshot = require('desktop-screenshot');

screenshot("screenshot.png", function(error, complete) {
    if(error)
        console.log("Screenshot failed", error);
    else
        console.log("Screenshot succeeded");
});

Resize to 400px wide, maintain aspect ratio

var screenshot = require('desktop-screenshot');

screenshot("screenshot.png", {width: 400}, function(error, complete) {
    if(error)
        console.log("Screenshot failed", error);
    else
        console.log("Screenshot succeeded");
});

Resize to 400x300, set JPG quality to 60%

var screenshot = require('desktop-screenshot');

screenshot("screenshot.jpg", {width: 400, height: 300, quality: 60}, function(error, complete) {
    if(error)
        console.log("Screenshot failed", error);
    else
        console.log("Screenshot succeeded");
});

TODOs

• Tests
• Multi-screen support
• Cropping
• Return contents of image, rather than writing file