ダイナミック・ウォーターマークを .NET でアニメ化された GIF に追加する方法

using Aspose.Imaging;
using Aspose.Imaging.FileFormats.Gif;

string gifPath = @"c:\input\InputAnimation.gif";
GifImage gifImage = (GifImage)Image.Load(gifPath);

Console.WriteLine("Animated GIF loaded successfully.");

using Aspose.Imaging;

foreach (var frame in gifImage.Pages)
{
    RasterImage rasterFrame = (RasterImage)frame;

    // Add a watermark to the frame
    rasterFrame.Graphics.DrawString(
        "© YourBrand",
        new Aspose.Imaging.Font("Arial", 14),
        new Aspose.Imaging.Brushes.SolidBrush(Color.White),
        new Aspose.Imaging.Point(10, 10)
    );

    Console.WriteLine("Watermark applied to a frame.");
}

foreach (var frame in gifImage.Pages)
{
    RasterImage rasterFrame = (RasterImage)frame;

    string watermarkText = $"© YourBrand - {DateTime.Now:yyyy-MM-dd}";

    rasterFrame.Graphics.DrawString(
        watermarkText,
        new Aspose.Imaging.Font("Arial", 12),
        new Aspose.Imaging.Brushes.SolidBrush(Color.Red),
        new Aspose.Imaging.Point(20, 20)
    );

    Console.WriteLine($"Dynamic watermark applied: {watermarkText}");
}

gifImage.Save(@"c:\output\WatermarkedAnimation.gif");
Console.WriteLine("Watermarked GIF saved successfully.");