lopspower

Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

Download This sample on Google Play Store

mauriciomassaia

export async function resizeImageData (imageData, width, height) {
  const resizeWidth = width >> 0
  const resizeHeight = height >> 0
  const ibm = await window.createImageBitmap(imageData, 0, 0, imageData.width, imageData.height, {
    resizeWidth, resizeHeight
  })
  const canvas = document.createElement('canvas')
  canvas.width = resizeWidth
  canvas.height = resizeHeight
  const ctx = canvas.getContext('2d')