将int [] argb转换为byte [] argb [英] convert int[] argb to byte[] argb

问题描述

我如何将int [] argb转换为byte [] argb?

how i can convert int[] argb to byte[] argb ?

推荐答案

您可以使用:

You can use:

byte[] BitConverter.GetBytes(int)

使用LINQ扩展:

Using LINQ extensions:

int[] input;
byte[] output = input.SelectMany(i => BitConverter.GetBytes(i)).ToArray();

嘿，

您是否至少已经在Google搜索中看到C#中整数的大小?整数是有符号的32位值.换句话说，1个int = 4个字节.

Hey there,

Have you been at least Googling to see the size of an integer in C#? An integer is a signed 32-bit value. In other words, 1 int = 4 bytes.

int[] data = {123, 321423,3950024, 2385704, 9759023,48634, 987653,6456895,46985589};
byte[] result = Array.ConvertAll(data, intValue => Convert.ToByte(intValue));

当然，如果您使用的是C#3.5或更高版本，则可以调整此代码行.

但是需要注意的重要一点是，Convert.ToByte方法将32位整数转换为8位整数，我希望我不必指出会导致什么.

希望对您有所帮助

Of course, you can tweak this line of code if you are using C#3.5 or above.

But one important thing to note is that, Convert.ToByte method converts a 32-bit integer to an 8-bit integer, and I hope I don''t need to point out what that would result.

Hope this helps, regards

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