Solved

how can i convert jpeg.stream->bmp.stream?

Posted on 2003-11-02
5
352 Views
Last Modified: 2010-04-05
hi,experts,
why delphi not support,  image1.picture.loadfromstream()
now i have a jpeg stream,and i want to show in image component,and i not hope i tempfile to
convert jpeg to bmp,how can i do?
thank.
0
Comment
Question by:jbas
  • 2
  • 2
5 Comments
 
LVL 27

Accepted Solution

by:
kretzschmar earned 100 total points
ID: 9666175
var
  jpg : TJpegImage;
begin
  jpg := TJpegImage.Create;
  try
    jpg.loadFromStream(YourStreamHere);
    //display
    image1.picture.bitmap.assign(jpg);
  finally
    jpg.free;
  end;
end;

meikl ;-)
0
 

Expert Comment

by:IamNewbie
ID: 9676955
I want correct kretzschmar.

var
 jpg : TJpegImage;
 bmp: TBitmap;
begin
 jpg := TJpegImage.Create;
 bmp:=TBitmap.Create;
 try
   jpg.loadFromStream(YourStreamHere); // or LoadFromFile.... etc.
   //display
  jpg.DIBNeeded; // !!!!!!!!!!!!!!!!!!!!!!
  bmp.Assign(jpg);
 finally
   jpg.free;
 end;
end;
0
 
LVL 27

Expert Comment

by:kretzschmar
ID: 9677019
never needed this,
but well, its just for faster painting
0
 

Expert Comment

by:IamNewbie
ID: 9677026
:-)
0
 

Author Comment

by:jbas
ID: 9677442
thanks all!
0

Featured Post

Free Tool: ZipGrep

ZipGrep is a utility that can list and search zip (.war, .ear, .jar, etc) archives for text patterns, without the need to extract the archive's contents.

One of a set of tools we're offering as a way to say thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

This article explains how to create forms/units independent of other forms/units object names in a delphi project. Have you ever created a form for user input in a Delphi project and then had the need to have that same form in a other Delphi proj…
In this tutorial I will show you how to use the Windows Speech API in Delphi. I will only cover basic functions such as text to speech and controlling the speed of the speech. SAPI Installation First you need to install the SAPI type library, th…
Microsoft Active Directory, the widely used IT infrastructure, is known for its high risk of credential theft. The best way to test your Active Directory’s vulnerabilities to pass-the-ticket, pass-the-hash, privilege escalation, and malware attacks …
In an interesting question (https://www.experts-exchange.com/questions/29008360/) here at Experts Exchange, a member asked how to split a single image into multiple images. The primary usage for this is to place many photographs on a flatbed scanner…

808 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question