51 lines
1.1 KiB
C#
51 lines
1.1 KiB
C#
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using System.Drawing;
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namespace Server.Helper;
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internal class BitmapCoding
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{
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public static int[] WHGet(int Length)
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{
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int[] array = new int[2] { 3, 3 };
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while (array[0] * array[1] <= Length)
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{
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array[0]++;
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array[1]++;
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}
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return array;
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}
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public static Bitmap ByteToBitmap(byte[] buffer)
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{
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int[] array = WHGet(buffer.Length);
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int num = 0;
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Bitmap bitmap = new Bitmap(array[0], array[1]);
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for (int i = 0; i < array[0]; i++)
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{
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for (int j = 0; j < array[1]; j++)
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{
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if (num + 3 <= buffer.Length)
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{
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bitmap.SetPixel(i, j, Color.FromArgb(255, buffer[num], buffer[num + 1], buffer[num + 2]));
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num += 3;
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continue;
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}
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if (num + 2 <= buffer.Length)
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{
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bitmap.SetPixel(i, j, Color.FromArgb(20, buffer[num], buffer[num + 1], 0));
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num += 2;
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continue;
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}
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if (num + 1 > buffer.Length)
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{
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bitmap.SetPixel(i, j, Color.FromArgb(100, 0, 0, 0));
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return bitmap;
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}
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bitmap.SetPixel(i, j, Color.FromArgb(30, buffer[num], 0, 0));
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num++;
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}
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}
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return bitmap;
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}
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}
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