将IMG转换为字节 [英] Convert IMG to bytes

问题描述

我正在尝试制作一个将拍摄图像并将其字节转换为数组的游戏，例如3x3 img将返回9个字节。我想在Java Script中这样做，所以我可以得到img。如果你能帮助我，我真的很感激。谢谢



我尝试了什么：



我已经尝试了很多在互联网上的东西，我无法找到如何使用它：/

解决方案

这不起作用？

[ ^ ]



var img = new Image（）;

img.src ='image.jpg';

var context = document.getElementById（'canvas'）。getContext（'2d '）;

context.drawImage（img，0,0）;

data = context.getImageData（x，y，1,1）.data;

请参考以下链接：



如何使用javascript将图像转换为字节数组？ - 堆栈溢出 [ ^ ]

I am trying to make a game that will take a image and get its bytes into an array, such as a 3x3 img will return 9 bytes. I want to do this in Java Script so I can get the img. I really would appreciated it if you would help me. Thanks

What I have tried:

I have tried a lot of stuff on the internet and I couldn't find out how to use it :/

解决方案

this doesn't work?
[^]

var img = new Image();
img.src = 'image.jpg';
var context = document.getElementById('canvas').getContext('2d');
context.drawImage(img, 0, 0);
data = context.getImageData(x, y, 1, 1).data;

Please refer following link :

How to convert image to byte array using javascript ? - Stack Overflow[^]

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