Introduction:  I am reading image data of fingerprints from smart card and as you know this data save as raw image in smart card. I am developing a client side program which only use java script to read image from scanner of a card reader and show th...
I need to process pixeldata from a 1000x1000px *.bmp image (~1MiB) in javascript At the moment i am a bit stuck, because the page freezes when i try to dump the data to the console. the important code so far:    var img = new Image(); img.src = '...
I don't know how to make this algorithm in JavaScript/Node.js that converts bitmaps into svg paths pixel by pixel:     // input 0 0 0 0 0 0 0 0 0 0  0 0 0 0 0 0 0 0 0 0  0 0 1 1 1 1 1 1 0 0  0 0 1 1 1 1 1 1 0 0  0 1 1 1 0 0 1 1 1 0  0 1 1 1 0 0 1...
I am trying to implement an efficient collision detection between a line joining two points and a bitmap mask.  Example:    Currently I am using Bresenham's line drawing algorithm to draw each pixel of the line between the two points and comparin...
I saw a piece of bitmap code in javascript:  MyProj.Resources.createImage("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAFoAAABaCAYAAAA4qEECAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAD8hJREFUeNrsXGtsZVUV3uec++jTd.....uQmCC"),   here...
I would like to use a Redis bitmap to represent values.  If I have an integer value then I want to be able to set the corresponding index of the bitmap to 1 or true.  I also want to be able to retrieve the entire bitmap and walk it to identify the po...
I would like to know how to extract the raw data from a html5 canvas as raw bitmap pixel data and store it in a variable.  So far I have setup my html5 canvas with an image in it: https://jsfiddle.net/t21mjh5L/1/  var c = document.getElementById("...
I'm writing a mini-game in EaselJS that requires mouse clicks on a grid of tiles.  However, it appears that it's only partially working - or perhaps not assigning a unique Event to each bitmap. During creation, I assign a simple ID - a number...
I am using bmp-js npm package and sadly the image doesn't convert properly. Not sure what is going on. Any help is appreciated.      {     const bmpBuffer = fs.readFileSync('test3.bmp');     //var Data = bmp.decode(bmpBuffer);     const b...
i am trying to get bitmap from drawable i use this code , but its not working because i can't use context inside a static   this is my full code fo this class :    package com.onazifi.shelf;  import android.content.Context; import android.content...

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