AGS.Editor.Utilities.CreateCopyOfBitmapPreservingColourDepth C# (CSharp) Метод

        public static Bitmap CreateCopyOfBitmapPreservingColourDepth(Bitmap source)
        {
            Bitmap newImage = new Bitmap(source.Width, source.Height, source.PixelFormat);

            Rectangle rect = new Rectangle(0, 0, source.Width, source.Height);
            BitmapData sourceData = source.LockBits(rect, ImageLockMode.ReadOnly, source.PixelFormat);
            BitmapData destData = newImage.LockBits(rect, ImageLockMode.WriteOnly, newImage.PixelFormat);
            int sourceAddress = sourceData.Scan0.ToInt32();
            int destAddress = destData.Scan0.ToInt32();
            for (int y = 0; y < newImage.Height; y++)
            {
                Utilities.CopyMemory(new IntPtr(sourceAddress), new IntPtr(destAddress), destData.Stride);

                sourceAddress += sourceData.Stride;
                destAddress += destData.Stride;
            }
            source.UnlockBits(sourceData);
            newImage.UnlockBits(destData);

            if (source.PixelFormat == PixelFormat.Format8bppIndexed)
            {
                ColorPalette sourcePal = source.Palette;
                ColorPalette destPal = newImage.Palette;
                for (int i = 0; i < sourcePal.Entries.Length; i++)
                {
                    destPal.Entries[i] = sourcePal.Entries[i];
                }
                // The palette needs to be re-set onto the bitmap to force it
                // to update its internal storage of the colours
                newImage.Palette = destPal;
            }

            return newImage;
        }