initial commit

SEGATools/Graphics/MRImage.cs

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+// Decompiled with JetBrains decompiler
+// Type: SEGATools.Graphics.MRImage
+// Assembly: SEGATools, Version=1.0.3.0, Culture=neutral, PublicKeyToken=611be24fdeb07e08
+// MVID: D631183F-57B1-40A1-B502-5364D288307A
+// Assembly location: SEGATools.dll
+
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+
+namespace SEGATools.Graphics
+{
+  public class MRImage
+  {
+    private MRImageHeader header;
+    private Bitmap imageBitmap;
+
+    public Size ImageSize => new Size(this.header.Width, this.header.Height);
+
+    public int UncompressedSize => this.Pixels.Length;
+
+    public int FileSize => this.header.Size;
+
+    public int CompressedSize => this.header.Size - this.header.Offset;
+
+    public float CompressionRatio => (float) this.UncompressedSize / (float) this.CompressedSize;
+
+    public int Offset { get; private set; }
+
+    public byte[] Pixels { get; private set; }
+
+    public Color[] ColorPalette { get; private set; }
+
+    private byte[] RawData { get; set; }
+
+    public System.IO.Stream FileStream => (System.IO.Stream) new MemoryStream(this.RawData, 0, this.RawData.Length, false);
+
+    internal MRImage(
+      MRImageHeader header,
+      Color[] colorPalette,
+      byte[] pixels,
+      int offset,
+      byte[] rawData)
+    {
+      this.header = header;
+      this.ColorPalette = colorPalette;
+      this.Pixels = pixels;
+      this.Offset = offset;
+      this.RawData = rawData;
+      this.ToBitmap();
+    }
+
+    private byte GetPixel(int x, int y) => this.Pixels[y * this.header.Width + x];
+
+    private Color GetColorForPixel(int x, int y) => this.ColorPalette[(int) this.GetPixel(x, y)];
+
+    public Bitmap ToBitmap()
+    {
+      if (this.imageBitmap != null)
+        return this.imageBitmap;
+      Bitmap bitmap = new Bitmap(this.ImageSize.Width, this.ImageSize.Height, PixelFormat.Format24bppRgb);
+      for (int y = 0; y < bitmap.Height; ++y)
+      {
+        for (int x = 0; x < bitmap.Width; ++x)
+        {
+          Color colorForPixel = this.GetColorForPixel(x, y);
+          bitmap.SetPixel(x, y, colorForPixel);
+        }
+      }
+      this.imageBitmap = bitmap;
+      return bitmap;
+    }
+  }
+}