HTML canvas createImageData() Method
HTML canvas createImageData() Method
The createImageData() method is used to create a new, blank ImageData object. Its pixel values are transparent black by default.
Every pixel in the ImageData object has four pieces of information. These are:-
- R - The color red (from 0-255)
- G - The color green (from 0-255)
- B - The color blue (from 0-255)
- A - The alpha channel (from 0-255; 0 is transparent and 255 is fully visible)
So, transparent black indicates: (0,0,0,0).
Syntax:-
Its syntax is:- var imageData = context.createImageData(width, height); OR var imageData = context.createImageData(imageData);
Further Explanation:-
| Parameter | Description |
|---|---|
| width | The width of the new ImageData object, in pixels |
| height | The height of the new ImageData object, in pixels |
| imageData | anotherImageData object |
Code Explanation
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