如何在asp.net Web应用程序中读取targa图像 [英] how to read targa image in asp.net web application

问题描述

我有一个targa图片，我想阅读并显示它.如何操作，我做了一些rnd
我找到了这段代码.

Hi,i have a targa image i want to read it and display it.how to do so,i did some rnd
i found this code.

//   C# Sample   
//   Loads a targa image and assigns it to the Image of a picturebox control.
this.PictureBox1.Image = Paloma.TargaImage.LoadTargaImage(@"c:\targaimage.tga");
    
//   Creates an instance of the TargaImage class with the specifed file
//   displays a few targa properties and then assigns the targa image
//   to the Image of a picturebox control
Paloma.TargaImage tgaImage = new Paloma.TargaImage(@"c:\targaimage.tga");
this.Label1.Text = tgaImage.Format.ToString();
this.Label2.Text = tgaImage.Header.ImageType.ToString();
this.Label3.Text = tgaImage.Header.PixelDepth.ToString();
this.PictureBox1.Image = Paloma.TargaImage.Image;

但是在这里他们使用了web应用程序中不存在的图片框，在这里我认为他们使用了window应用程序.我想在web应用程序中显示图像，我应该使用哪个控件，asp:image control?那我怎么用它来绑定targa图像，
我应该使用handler.ashx吗????一旦我使用asp:image控件和handler.ashx显示jpeg图像，但是在这种情况下，我该怎么做，请给我一点帮助.

but here they have used picture box which is not present in web application,here i think they have used window application .i want to show image in web application,which conrtrol should i use ,asp:image control?? then how will i use it to bind targa image,
should i have to use handler.ashx???once i have display a jpeg image using asp:image control and handler.ashx,but in this case how can i do so,plz help.

推荐答案

尝试一下，

从 .NET Targa图像阅读器下载源代码 [

Try this,

Download the source from .NET Targa Image Reader[^]
Include the TargaImage.dll in bin folder and reference it to the project,

In aspx code,

<asp:Image ID="Image1" ImageUrl="~/Handler.ashx" runat="server" />

在Handler.ashx,
中 using System.Drawing;

In Handler.ashx,
using System.Drawing;

Bitmap tga = Paloma.TargaImage.LoadTargaImage(@"C:/my folder/TargaReaderDemo/Image/img.tga");
            Response.ContentType = "image/jpeg";
            tga.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);

请参阅此CodeProject文章:

Please see this CodeProject article: .NET Targa Image Reader[^].

—SA

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