66 lines
1.7 KiB
C#
66 lines
1.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace Matrix_App
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{
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class DirectBitmap : IDisposable
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{
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public Bitmap Bitmap { get; private set; }
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public Int32[] Bits { get; private set; }
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public bool Disposed { get; private set; }
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public int Height { get; private set; }
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public int Width { get; private set; }
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protected GCHandle BitsHandle { get; private set; }
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public DirectBitmap(int width, int height)
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{
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Width = width;
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Height = height;
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Bits = new Int32[width * height];
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BitsHandle = GCHandle.Alloc(Bits, GCHandleType.Pinned);
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Bitmap = new Bitmap(width, height, width * 4, PixelFormat.Format32bppRgb, BitsHandle.AddrOfPinnedObject());
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}
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public void SetPixel(int x, int y, Color colour)
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{
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int index = x + (y * Width);
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int col = colour.ToArgb();
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Bits[index] = col;
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}
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public void SetImage(Bitmap image)
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{
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for (int x = 0; x < Width; x++)
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{
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for (int y = 0; y < Height; y++)
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{
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Bits[x + y * Width] = image.GetPixel(x, y).ToArgb();
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}
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}
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}
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public Color GetPixel(int x, int y)
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{
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int index = x + (y * Width);
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int col = Bits[index];
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Color result = Color.FromArgb(col);
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return result;
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}
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public void Dispose()
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{
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if (Disposed) return;
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Disposed = true;
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Bitmap.Dispose();
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BitsHandle.Free();
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}
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}
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}
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