In REMOVED DB Blob field and save an image

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• take screenshot and saves the image to a PNG file

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  Avivit.

  If you want a picture of façade one VI, you can use the method to obtain images of Panel (or the Tool of Capture of Code, which offers a range of screws for this).

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• File as blob upload and display an image

  I created a browse file to store the files as BLOB in a table. File mail in table but are unable to view

  File can be image, pdf, text, etc.

  Found an example and tried to implement but can't get the image to display.

  Do not know what Miss me?

  I created an example

  https://Apex.Oracle.com/pls/Apex/f?p=54811:1:7357315146564:

  [email protected]

  whiskers

  I created a table

  CREATE TABLE 'MY_BLOB '.

  (VARCHAR2 (7) "IMAGE_KEY",)

  VARCHAR2 (400) "IMAGE_FILENAME."

  VARCHAR2 (48) "IMAGE_MIME_TYPE."

  NUMBER OF "IMAGE_DOC_SIZE."

  'IMAGE_CONTENT_TYPE' VARCHAR2 (255),

  'BLOB_CONTENT' BLOB,

  KEY ELEMENTARY SCHOOL ("IMAGE_KEY")

  INDEX USING ACTIVATE

  )

  and ran the process to transfer the file as a BLOB in the table

  declare

  number of V_LENGTH;

  number of image_pk_hld;

  Whole CNT;

  Start

  Select doc_size from v_length

  of wwv_flow_files

  WHERE name =: P1_FILEBROWSE;

  If v_length < = 1000000 then

  Select count (*) in the my_blob cnt;

  If cnt > 0 then

  Select max (image_key) + 1 image_pk_hld

  of my_blob;

  on the other

  image_pk_hld: = 100;

  end if;

  : P1_BLOB_PK: = image_pk_hld;

  insert into MY_BLOB (IMAGE_KEY, IMAGE_FILENAME,

  IMAGE_MIME_TYPE, IMAGE_DOC_SIZE, IMAGE_CONTENT_TYPE,

  BLOB_CONTENT)

  Select image_pk_hld, FILENAME, MIME_TYPE,

  DOC_SIZE, CONTENT_TYPE, BLOB_CONTENT

  of wwv_flow_files

  WHERE name =: P1_FILEBROWSE;

  delete from wwv_flow_files where name =: P1_FILEBROWSE;

  on the other

  delete from wwv_flow_files where name =: P1_FILEBROWSE;

  commit;

  raise_application_error (-20001,' cannot upload images larger than 1 MB!');

  end if;

  exception

  while others then

  raise_application_error (-20001, "Error when downloading image!");

  end;

  then tried to view the file (the file can be an image, text, pdf, etc.) in a region of pl/sql

  declare

  MimeType VARCHAR2 (255);

  Start

  Select IMAGE_MIME_TYPE in the mimetype

  of my_blob

  where IMAGE_KEY =: P1_BLOB_PK;

  If the MIME type is not null or type MIME! = "THEN

  HTP.p ("< img src =" display_image? p_image_id =' |: P1_BLOB_PK |') "" height = "'. 500 | » » / >') ;

  on the other

  HTP.p ('No Image');

  END IF;

  HTP.p (' ');

  end;

  procedure display_image

  create or replace PROCEDURE display_image ()p_image_id IN VARCHAR2,( )

    ACE

    l_mime VARCHAR2 (255) ;

    l_length number ;

    l_file_name VARCHAR2 (2000) ;

    lob_loc BLOB ;

  Start

  Choose IMAGE_MIME_TYPE BLOB_CONTENT

  DBMS_LOB.getlength()BLOB_CONTENT() IMAGE_FILENAME

  en l_mime, lob_loc, l_length, l_file_name

  de my_blob

  où image_key = p_image_id;

  owa_util.mime_header ()NVL()l_mime "application/octet"() FALSE()

     htp .p (' Content-length: ' | ) l_length );

  owa_util.http_header_close

  wpg_docload.download_file()lob_loc()

  end display_image ;

  
  

  pam499057 wrote:

  Thanks for the reply.

  I have given the procedure.

  So I think that you must provide the credentials of developer to your workspace on apex.oracle.com so that we can investigate the problem.

  examples uploading files a better way

  See page 6 of the database Application example.

  There is also a tutorial OBE which followed the introduction of the declarative BLOB support in 3.1 that is always topical in 4.x.

• After that I have license and save the image on my computer, how much and how can I use this image/photo/graphics?

  For example, once I allow and image and download it, can I use this image even on a flyer for the public, a poster, a newsletter and e-newsletter and social media?

  Usually, I tend to create a flyer and then expand this leaflet in a post and then make a PDF of this brochure and post online.

  Please let me know if this is good practice or how to on this subject.

  Thanks for any comment on this.

  You can use the image as much as you want. Here is the license agreement.

  http://wwwimages.Adobe.com/content/dam/Adobe/en/legal/servicetou/Adobe_Stock_Terms_en_US-2 0150313_hpc.pdf

• Download the image blob field

  Hello experts,

  I am trying to download an image via the input file to convert it to a blob field and then save it in the database.

  So I linked the value of the input file to create the blob through bean, I found on the internet.

  My Page binding components:

  < af:inputFile id = value = "#{UploadBean.file}" / 'inputImage' >

  < af:button text = 'Upload' id = 'btnUpload' action = "#{UploadBean.uploadImage}" / >

  
  

  My Bean:

  
  

  private BlobDomain img;

  private UploadedFile inasmuch;

  public UploadBean() {}

  Super();

  }

  public UploadedFile getFile() {}

  return inasmuch;

  }

  {} public void next (file UploadedFile)

  Inasmuch = file;

  }

  public void uploadImage() {}

  UploadedFile myfile = (UploadedFile) this.getFile ();

  IMG = createBlobDomain (myfile);

  System.out.println (IMG);

  }

  Private BlobDomain createBlobDomain (file UploadedFile) {}

  InputStream in = null;

  BlobDomain blobDomain = null;

  OutputStream out = null;

  try {}

  in = file.getInputStream ();

  blobDomain = new BlobDomain();

  out = blobDomain.getBinaryOutputStream ();

  ubyte [] buffer = new byte [8192];

  int bytesRead = 0;

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  }

  in. Close();

  } catch (IOException e) {}

  e.printStackTrace ();

  } catch (SQLException e) {}

  e.fillInStackTrace ();

  }

  Return blobDomain;

  }

  But it seems to me that the file is still set to null after choosing an image, because it throws the following error message:

  <oracle.adf.common> <AdfDiagnosticsJarsVersionDumpImpl> <executeDump> <Pfad für den Dump der JAR-Version :C:\Users\user\AppData\Roaming\JDeveloper\system12.1.3.0.41.140521.1008\DefaultDomain\servers\DefaultServer\adr\diag\ofm\defaultdomain\defaultserver\incident\incdir_45/adf_DiagnosticsJarsVersionDump42_i45.txt>

  < oracle.dfw.impl.incident.DiagnosticsDataExtractorImpl > < DiagnosticsDataExtractorImpl > < createADRIncident > < 46 event mit Problemschlussel 'ADFC-00032 [ADFc]' is >

  < oracle.adf.view > < RichExceptionHandler > < _logUnhandledException > < ADF_FACES - 60098:Faces - empfangt nicht behandelte Exceptions in Phase INVOKE_APPLICATION 5 cases >

  javax.faces.FacesException: #{UploadBean.uploadImage}: //C:/Users/user/AppData/Roaming/JDeveloper/system12.1.3.0.41.140521.1008/o.j2ee/drs/REA/ViewPflegeWebApp.war/de/test/viewpflege/pages/UploadPage.jsff @13,85 action = "#{UploadBean.uploadImage}": java.lang.NullPointerException "

  ...

  What I'm missing or doing wrong?

  Uusing JDeveloper 12.1.3

  Thank you!

  Hello

  Make sure that the UsesUpload of the property in your page jspx is true.

  also, for more information check this: https://tompeez.wordpress.com/2011/11/26/jdev11-1-2-1-0-handling-imagesfiles-in-adf-part-1/

  Kind regards

  Habib

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