gif动画添加图片水印代码,CSharp代码库,德仔网

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【CSharp】 gif动画添加图片水印

作者:东昌 / 发布于2015/11/13/ 515


	public static Bitmap WaterMarkWithText(System.Drawing.Bitmap origialGif, string
	text,string filePath)
	{
	//用于存放桢
	List<Frame> frames = new
	List<Frame>();
	//如果不是gif文件,直接返回原图像
	if (origialGif.RawFormat.Guid
	!= System.Drawing.Imaging.ImageFormat.Gif.Guid)
	{
	return origialGif;

	}
	//如果该图像是gif文件
	foreach (Guid guid in
	origialGif.FrameDimensionsList)
	{
	System.Drawing.Imaging.FrameDimension
	frameDimension = new System.Drawing.Imaging.FrameDimension(guid);
	int
	frameCount = origialGif.GetFrameCount(frameDimension);
	for (int i = 0; i
	< frameCount; i++)
	{
	if (origialGif.SelectActiveFrame(frameDimension,
	i) == 0)
	{
	int delay =
	Convert.ToInt32(origialGif.GetPropertyItem(20736).Value.GetValue(i));
	Image
	img = Image.FromHbitmap(origialGif.GetHbitmap());
	Font font = new Font(new
	FontFamily("宋体"), 35.0f,FontStyle.Bold);
	Graphics g =
	Graphics.FromImage(img);
	g.DrawString(text, font, Brushes.BlanchedAlmond,
	new PointF(10.0f, 10.0f));
	Frame frame = new Frame(img, delay);

	frames.Add(frame);
	}
	}
	Gif.Components.AnimatedGifEncoder gif =
	new Gif.Components.AnimatedGifEncoder();
	gif.Start(filePath);

	gif.SetDelay(100);
	gif.SetRepeat(0);
	for (int i = 0; i <
	frames.Count; i++)
	{
	gif.AddFrame(frames[i].Image);
	}

	gif.Finish();
	try
	{
	Bitmap gifImg =
	(Bitmap)Bitmap.FromFile(filePath);
	return gifImg;
	}
	catch
	{

	return origialGif;
	}
	}
	return origialGif;
	}

试试其它关键字

　图片水印　

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