getImageDataUrl
Get a screenshot of the image rendered on the canvas.
Signatures
- Paramate.Viewport.getImageDataUrl( cb, type = 'image/png', encoderOptions = 0.92 )
Details
The function returns a data URL type representation (same as using canvas.toDataUrl() function) of the rendered image.
Example
viewPort.getImageDataUrl( function( dataUrl ){
// Create image with snapshot of viewport
document.getElementById('snapshot').innerHTML = "<img src='" + dataUrl + "' alt='snapshot'>";
});
Parameters
- cb
-
Callback function to be called with the data URL as argument.
- type
-
The image format. Default = image/png.
- encoderOptions
-
A Number between 0 and 1 indicating the image quality to use for image formats that use lossy compression such as image/jpeg and image/webp. Default = 0.92
Return value
No return value, but calls the callback function with the data URL
