render_base64

This command allows you render a web page to an image buffer and returns the base64 encoded representation of the image.

The supported formats are:

• PNG
• GIF
• JPEG

Commmand arguments:

1. image_format
2. full
   • true for rendering all the page, false if we are going to use a selection
3. selector
   • If full is false then you have to specify the CSS selection you want to render, internally we will use document.querySelector.

Full page render request:

{
    "name" : "render_base64",
    "args": [
      "png", true, null
    ]
}

Part of a page render request:

{
    "name" : "render_base64",
    "args": [
      "png", false, "body > div.wrapper > div.main.clearfix"
    ]
}

Response:

A successful render_base64 command will reply with:

{
  "response": "iVBORw0KGgoAAAANSUhEUgAABAAAAACYCAYAAAB6Z5u+AAAABHNCSVQICAgIfAh......"
}