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PainterlyUNO/Matrix App/DirectBitmap.cs

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C#
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2021-06-09 16:43:27 +00:00
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.InteropServices;
using System.Text;
namespace Matrix_App
{
class DirectBitmap : IDisposable
{
public Bitmap Bitmap { get; private set; }
public Int32[] Bits { get; private set; }
public bool Disposed { get; private set; }
public int Height { get; private set; }
public int Width { get; private set; }
protected GCHandle BitsHandle { get; private set; }
public DirectBitmap(int width, int height)
{
Width = width;
Height = height;
Bits = new Int32[width * height];
BitsHandle = GCHandle.Alloc(Bits, GCHandleType.Pinned);
Bitmap = new Bitmap(width, height, width * 4, PixelFormat.Format32bppPArgb, BitsHandle.AddrOfPinnedObject());
}
public void SetPixel(int x, int y, Color colour)
{
int index = x + (y * Width);
int col = colour.ToArgb();
Bits[index] = col;
}
public void SetImage(Bitmap image)
{
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
Bits[x + y * Width] = image.GetPixel(x, y).ToArgb();
}
}
}
public Color GetPixel(int x, int y)
{
int index = x + (y * Width);
int col = Bits[index];
Color result = Color.FromArgb(col);
return result;
}
public void Dispose()
{
if (Disposed) return;
Disposed = true;
Bitmap.Dispose();
BitsHandle.Free();
}
}
}