What is the method of using the aspjpeg component?

2 years ago
Olivia Parker
2 minutes

ASPJPEG is a COM component used for handling images, which can be utilized in ASP, VBScript, and VB environments. Here are the basic usage methods for the ASPJPEG component:

  1. To install the ASPJPEG component: First, copy the DLL file (ASPJPEG.dll) to the system directory on the server (usually C:\Windows\System32) or the component directory of IIS (usually C:\Inetpub\wwwroot\bin). Then, open a command prompt window and use the regsvr32 command to register the ASPJPEG component. For example: regsvr32 C:\Windows\System32\ASPJPEG.dll.
  2. To reference the ASPJPEG component in an ASP page: Add the following code at the top of the ASP page to utilize the ASPJPEG object:
<%@ Language=VBScript %>
<%
Set Jpeg = Server.CreateObject("Persits.Jpeg")
%>
  1. Load image file: You can use the Open method to load image files, for example:
Jpeg.Open "path/to/image.jpg"
  1. Image processing: Various methods provided by ASPJPEG can be used to handle images, such as:
  1. Resize method: Adjust the size of the image.
Jpeg.Resize 800, 600
  1. Crop function: image trimming
Jpeg.Crop 100, 100, 500, 400
  1. Rotate function: to rotate an image
Jpeg.Rotate 90
  1. Save method: Save the image to a file.
Jpeg.Save "path/to/newimage.jpg"
  1. Display Image: Images modified using the ASPJPEG component can be directly displayed on ASP pages, for example:
Response.ContentType = "image/jpeg"
Response.BinaryWrite Jpeg.ImageData

It is important to note that the above is just a basic usage of the ASPJPEG component. This component also offers many other features and methods that can be called based on specific needs. When using it, refer to the official documentation of ASPJPEG component or the provided sample code for operation.

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