C#合成gif代码,CSharp代码库,德仔网

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【CSharp】 C#合成gif
作者:Dezai.CN / 发布于2011/9/6/ 797
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using System;
using System.Text;
using System.IO;
using System.Drawing;
using System.Drawing.Imaging;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
//测试把两张现成的图形文件合成一个动画gif
//FileInfo fi = new FileInfo(@"E:\My Work Place\vmlinux\@Win32App\ConsoleApplication1\1.gif");
//GifImage.GifAnimation gif = new GifImage.GifAnimation(fi.OpenRead());
//FileInfo fi2 = new FileInfo(@"E:\My Work Place\vmlinux\@Win32App\ConsoleApplication1\2.gif");
//GifImage.GifAnimation gif2 = new GifImage.GifAnimation(fi2.OpenRead());
//GifImage.NullDescriptor nd = new GifImage.NullDescriptor();
//gif.Application = new GifImage.ApplicationExt("NETSCAPE", "2.0", new byte[] {3,1,0,0 });
//gif.Control = new GifImage.GraphicControlExt(1, false, false, 36, 0);
//GifImage.ImageDescriptor desc=(GifImage.ImageDescriptor)gif.Blocks[1];
//desc.CopyColors(gif.Screen);
//gif.Screen.CopyColors(nd);
//desc=(GifImage.ImageDescriptor)gif2.Blocks[1];
//desc.CopyColors(gif2.Screen);
//gif2.Screen.CopyColors(nd);
//gif.AddBlocks(gif2.Blocks);
//测试动画gif的文件分析能力和重新写入的正确性
//FileInfo fi = new FileInfo(@"E:\My Work Place\vmlinux\Win32App\ConsoleApplication1\ps.gif");
//GifImage.GifAnimation gif = new GifImage.GifAnimation(fi.OpenRead());
//测试文本扩展块
//GifImage.GifAnimation gif = new GifImage.GifAnimation(
// new Bitmap(@"E:\My Work Place\vmlinux\Win32App\ConsoleApplication1\1.gif"),
// new GifImage.GraphicControlExt(1, false, false, 35, 0)
// );
//gif.Application = new GifImage.ApplicationExt("NETSCAPE", "2.0", new byte[] { 3, 1, 0, 0 });
//gif.AddFrame("hello");
//测试自动生成gif动画帧并做成动画输出
//GifImage.GifAnimation gif = new GifImage.GifAnimation(
// new Bitmap(@"E:\My Work Place\vmlinux\Win32App\ConsoleApplication1\1.gif"),
// new GifImage.GraphicControlExt(1, false, false, 15, 0)
// );
//gif.Application = new GifImage.ApplicationExt("NETSCAPE", "2.0", new byte[] { 3, 1, 0, 0 });
//gif.AddFrame(new Bitmap(@"E:\My Work Place\vmlinux\Win32App\ConsoleApplication1\2.gif"));
//Bitmap bmp = new Bitmap(gif.Screen.Width, gif.Screen.Height);
//Graphics g = Graphics.FromImage(bmp);
//for (int i = 0; i < 20; ++i)
//{
// g.Clear(Color.White);
// g.DrawEllipse(Pens.Blue, 50, 100, 20+i*3, 50);
// g.Flush();
// gif.AddFrame(bmp);
//}
//g.Dispose();
//bmp.Dispose();
//测试动画合成
//FileInfo fi = new FileInfo(@"E:\My Work Place\vmlinux\Win32App\ConsoleApplication1\x.gif");
//GifImage.GifAnimation gif = new GifImage.GifAnimation(fi.OpenRead());
//gif.Control = new GifImage.GraphicControlExt(1, false, false, 36, 0);
//gif.AddFrame(new Bitmap(@"E:\My Work Place\vmlinux\Win32App\ConsoleApplication1\2.gif"));
//gif.InsertFrame(new Bitmap(@"E:\My Work Place\vmlinux\Win32App\ConsoleApplication1\1.gif"),2);
//FileInfo frm = new FileInfo(@"E:\My Work Place\vmlinux\frm.gif");
//gif.SaveFrame(frm.OpenWrite(),4);
Bitmap bmp = new Bitmap(100, 100);
Graphics g = Graphics.FromImage(bmp);
Font f = new Font("arial", 11f);
Brush b = Brushes.Blue;
string txt = "Rotate text animation!";
SizeF sz = g.MeasureString(txt, f);
g.Clear(Color.WhiteSmoke);
g.DrawString(txt, f, b, 50-sz.Width/2, 50-sz.Height/2);
g.Flush();
GifImage.GifAnimation gif = new GifImage.GifAnimation(bmp, 
GifImage.GraphicControlExt.Default);
gif.Application = GifImage.ApplicationExt.Default;
gif.UseGlobalColorTableOnly = true;
for (int i = 1; i < 36; ++i)
{
g.Clear(Color.WhiteSmoke);
g.TranslateTransform(50,50);
g.RotateTransform(10f * i);
g.DrawString(txt, f, b, sz.Width/-2, sz.Height/-2);
g.ResetTransform();
g.DrawString("Hello", f, Brushes.Red, -50 + i * 4, 20);
g.DrawString("Yeah", f, Brushes.Orange, 60, -20+i*4);
g.Flush();
gif.AddFrame(bmp);
}
f.Dispose();
g.Dispose();
bmp.Dispose();
FileStream fs = new FileStream(@"E:\vmlinux\out.gif", FileMode.Create);
gif.Save(fs);
fs.Close();
Console.WriteLine("{0}x{1}", gif.Screen.Width, gif.Screen.Height);
}
}
}

</div>
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　合成gif　
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