Display Blob image in oracle forms
i have an application in which i have to store all the employee's photos.
i created the Photo column in database with datatype Blob.
I created the form to store image that successfully stores image in database.
bUt now what should i Do to display that image on Image Item when i execute_query.
I m using Oracle forms 6i version & oracle 10 g database
my image item contains all default properties set that are done when i create a database block PHOTO.
i didnt set any property.
Edited by: rupearlkaushal on Jun 8, 2012 6:33 AM
Similar Messages
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Displaying TIFF images in Oracle Forms 6i
Hello, friends!
I am working in Oracle Forms 6.0.8 (that ancient tool) and encounter a problem with displaying TIFF images.
I have a number of scanned images and some of them are displayed and some are not. I've tried both extracting them from the database or from the file system (using READ_IMAGE_FILE). Sometimes I am getting just blank field in my image item and sometimes (after using READ_IMAGE_FILE) I get the error FRM-47100 (cannot read image file). Of course I've checked that all the files are displayed using standard tools for displaying TIFFs.
Basically the question is what kind of TIFF is considered valid and readable by Oracle Forms.
Analyzing TIFF tags actually gave me nothing: I have a pair of files with tags different only in image width/length and a number of rows/strip (but even those values are close), and one of the file is displayed correctly while the other is not. The thing I noticed is that invalid files are using compression type of CCITT Group 4.
Possibly Oracle Forms follows TIFF specification only to certain extent and does not support all the extensions, while sometimes the problems are not visible to user.
As a result of my work I need some automatic tool that converts undisplayable TIFF files to displayable ones but firstly I am to determine where the problem is. And it would be very good to have a prooflink that approves my decision.
Looking forward to any help! Thanks in advance.Thanks to everybody, but I'm afraid my files don't contain any EXIF tags (although TIFF seems to support them). The file doesn't contain any tags with IDs greater than 0x7FFF but only core TIFF tags (with IDs of lower numbers). Moreover I have a file with exactly the same set of tags (but the values are a bit different) which is displayed properly.
I've shared the issued file (nondisplayable) on the following link: [https://rapidshare.com/files/3137807470/2.tif]
If anyone could tell me why isn't it displayed in Forms I would be very grateful. -
Display blob file with oracle forms
I need to display an image file with oracle forms.
can any body tell me how to do this ?
ThanksHow to do this is dependent on which version of Oracle Forms you are using. Please let us know what version (eg; 10.1.3.x.x not 10g) of Oracle Forms you are using and how your application is deployed (Client/Server or web). If web, what is your Java version?
Craig... -
Problem regarding insert and Display BLOB Image in Tabular form
I am trying to display and insert image in manual tabular form In Oracle APEX. but the image i uploaded was not inserted in wwv_flow_files table and in update button process i got "no data Found" Error...pls someone help me.... some part of code is bellow... SQL CODE IN REPORT REGION OF TABULAR FORM :- {
SELECT '#ROWNUM#' "SNO",
+' <img height="30" width="50" src="#WORKSPACE_IMAGES#'||F.FILE_NAME||'" alt="'||S.stud_fname||'" title="'||S.stud_fname||'" border="1"/>'AS "IMAGES", --- for display image from my table which is loaded through wwv_flow_files+
APEX_ITEM.CHECKBOX(01,s.stud_id) "DELETE",https:
s.stud_id|| apex_item.hidden(02,s.stud_id) "STUD ID",
+.......+
+.......+
union all -- for inserting row
SELECT '#ROWNUM#' "SNO",
+'<input type="file" name="F17" size="5">'AS "IMAGES", -- for display image+
APEX_ITEM.CHECKBOX(01,NULL) "DELETE",
null|| apex_item.hidden(02,null) "STUD ID", }
When i click on UPDATE BUTTON then following PROCESS CODE IS run :
FOR i IN 1..APEX_APPLICATION.G_F02.COUNT LOOP
IF APEX_APPLICATION.G_F02(i)IS NOT NULL THEN
UPDATE STUDENT SET stud_fname=APEX_APPLICATION.G_F04(i),
stud_addr =APEX_APPLICATION.G_F05(i), ......
ELSE
insert into FILE_ATMNT(ATMNT_KEY, ATMNT_NAME, FILE_NAME, MIME_TYPE, ATMNT_SIZE, CNTNT_TYPE, ATMNT_CNTNT, AUDIT_CRT_DATE ) SELECT id, name, filename, mime_type, doc_size,content_type, blob_content, SYSDATE FROM wwv_flow_files WHERE name = APEX_APPLICATION.G_F17(i);
SELECT id into upload_ref from wwv_flow_files where name =APEX_APPLICATION.G_F17(i);
........ ( code for student insert Record )
FILE_ATMNT is my attachment table in my workspace which updated through wwv_flow_files. My problem is that when i was click on update button image is not loaded into "wwv_flow_files" table so i didnt get image name bcz of $ name =APEX_APPLICATION.G_F17(i);$ this. so its show me no data found error.... Pls help meMahesh wrote:
Hi...i am mahesh...Welcome to the forum: please read the FAQ and forum sticky threads (if you haven't done so already).
You'll get a faster, more effective response to your questions by including as much relevant information as possible upfront. This should include:
<li>Full APEX version
<li>Full DB version and edition
<li>Web server architecture (EPG, OHS or APEX listener)
<li>Browser(s) and version(s) used
<li>Theme
<li>Template(s)
<li>Region/item type(s)
The best way to get help is to reproduce and share the problem on apex.oracle.com.
All code should be posted wrapped in tags<tt>\...\</tt> tags to preserve formatting and prevent it being interpreted by the forum software.
I am trying to display and insert image in manual tabular form In Oracle APEX. but the image i uploaded was not inserted in wwv_flow_files table and in update button process i got "no data Found" Error...pls someone help me.... some part of code is bellow... CODE IN REPORT REGION OF TABULAR FORM :-
SELECT '#ROWNUM#' "SNO",
'<img height="30" width="50" src="#WORKSPACE_IMAGES#'||F.FILE_NAME||'" alt="'||S.stud_fname||'" title="'||S.stud_fname||'" border="1"/>'AS "IMAGES", --- for display image from my table which is loaded through wwv_flow_files
APEX_ITEM.CHECKBOX(01,s.stud_id) "DELETE",https://forums.oracle.com/forums/post!default.jspa?forumID=137#
s.stud_id|| apex_item.hidden(02,s.stud_id) "STUD ID",
....... (some code).
union all -- for inserting row
SELECT '#ROWNUM#' "SNO",
'<input type="file" name="F17" size="5">'AS "IMAGES", -- for display image
APEX_ITEM.CHECKBOX(01,NULL) "DELETE",
null|| apex_item.hidden(02,null) "STUD ID",
....... (some code )
When i click on UPDATE BUTTON then following PROCESS CODE IS run :
FOR i IN 1..APEX_APPLICATION.G_F02.COUNT LOOP
IF APEX_APPLICATION.G_F02(i)IS NOT NULL THEN
UPDATE STUDENT SET stud_fname=APEX_APPLICATION.G_F04(i),
stud_addr =APEX_APPLICATION.G_F05(i), ..... ( some field of table)..
ELSE
insert into FILE_ATMNT(ATMNT_KEY, ATMNT_NAME, FILE_NAME, MIME_TYPE, ATMNT_SIZE, CNTNT_TYPE, ATMNT_CNTNT, AUDIT_CRT_DATE ) SELECT id, name, filename, mime_type, doc_size,content_type, blob_content, SYSDATE FROM wwv_flow_files WHERE name = APEX_APPLICATION.G_F17(i);
SELECT id into upload_ref from wwv_flow_files where name =APEX_APPLICATION.G_F17(i);
........ ( code for insert command )
FILE_ATMNT is my attachment table in my workspace which updated through wwv_flow_files. My problem is that when i was click on update button image is not loaded into "wwv_flow_files" table so i didnt get image name bcz of $ name =APEX_APPLICATION.G_F17(i);$ this. so its show me no data found error.... Pls help me
Before considering anything else, why bother with all this extra complexity? Why not use the standard form and report pattern? -
Problem with displaying BLOB images on JSP page using a servlet
hi. I have a big problem with displaying BLOB images using JSP. I have a servlet that connects to the oracle database, gets a BLOB image , reads it, and then displays it using a BinaryStream. The problem is , this works only when i directly call that servlet, that is http://localhost:8080/ImageServlet. It doesn't work when i try to use that servlet to display my image on my JSP page (my JSP page displays only a broken-image icon ) I tried several coding approaches with my servlet (used both Blob and BLOB objects), and they work just fine as long as i display images explicitly using only the servlet.
Here's what i use : ORACLE 10g XE , Eclipse 3.1.2, Tomcat 5.5.16 , JDK 1.5
here is one of my image servlet's working versions (the essential part of it) :
BLOB blob=null;
rset=st.executeQuery("SELECT * FROM IMAGES WHERE ID=1");
while (rset.next())
blob=((OracleResultSet)rset).getBLOB(2);
response.reset();
response.setContentType("image/jpeg");
response.addHeader("Content-Disposition","filename=42.jpeg");
ServletOutputStream ostr=response.getOutputStream();
InputStream istr=blob.getBinaryStream(1L);
int size=blob.getBufferSize();
int len=-1;
byte[] buff = new byte[size];
while ((len=istr.read( buff ))!=-1 ) {
ostr.write(buff,0,len);
response.flushBuffer();
ostr.close(); and my JSP page code :
<img src="/ImageServlet" border="0" > If you could just tell me what i'm doing wrong here , or if you could show me your own solutions to that problem , i would be very greatful ,cos i'm realy stuck here , and i'm rather pressed for time too. Hope someone can help.I turns out that it wasn't that big of a problem after all. All i had to do was to take the above code and place it into another JSP page instead of into a servlet like i did before. Then i just used that page as a source for my IMG tag in my first JSP. It works perfectly well. Why this doesn't work for servlets i still don't know, but it's not a problem form me anymore . Ofcourse if someone knows the answer , go ahead and write. I would still appriceatte it.
here's the magic tag : <img src="ImageJSP.jsp" border="0" > enjoy : ) -
How to Display an Image on my FORM
Good Day!
I would like to ask some help from you guys with my problem on how to display an image on my form. I would like to display my uploaded image on my form but instead of an image, the get_blob_file is showing. By the way, I'm using Apex 4.1
I downloaded the Order Entry Sample Application and followed the Page 6, the Product Details. I even made snapshots of each details from Page Rendering to Page Processing in order not to miss a thing.
At the moment, I was able to upload or store the image on my created Oracle table and also able to retrieve it on the Download Link Text with Content Disposition value of Inline, provided by APEX Settings. If I invoke the Download link beside the file browser, a page with the image will be shown, below is the address:
http://127.0.0.1:8080/apex/apex_util.get_blob_file?a=200&s=339877802936975&p=230&d=7107921433296839&i=7107601420296838&p_pk1=54&p_pk2=&p_ck=7D6512D967336C4B94258EEA3CDF1BE6&p_content_disposition=inline
However, instead of showing the image on a region, below is the one showing on my Form:
<img src="apex_util.get_blob_file?a=200&s=339877802936975&p=230&d=7107921433296839&i=7107601420296838&p_pk1=54&p_pk2=&p_ck=7D6512D967336C4B94258EEA3CDF1BE6" />
As you can see the parameter values are the same but I know I missed something that's why I'm here :)
I would highly appreciate all the help you can provide and many thanks in advance.
I tried to change gear by making an html region of type PL/SQL (anonymous block) and a procedure but still no image :(
Below are the scripts.
declare
cursor cur is
select *
from wsemployee
where empid = :P230_EMPID;
begin
for rec in cur
loop
IF rec.mime_type is not null or rec.mime_type != '' THEN
htp.p( '<img src="my_image_display?p_image_id='||NVL(rec.empid,0)||'" height="'||100||'"/>' );
else
htp.p( 'No Image ');
END IF;
htp.p( ' ');
end loop;
end;
PROCEDURE
create or replace PROCEDURE my_image_display( p_image_id IN NUMBER)
AS
l_mime VARCHAR2 (255);
l_length NUMBER;
l_file_name VARCHAR2 (2000);
lob_loc BLOB;
BEGIN
SELECT MIME_TYPE, PHOTO_BLOB_CONTENT, PHOTO_FILENAME,DBMS_LOB.GETLENGTH(photo_blob_content)
INTO l_mime,lob_loc,l_file_name,l_length
FROM wsemployee
WHERE empid = p_image_id;
-- set up HTTP header
-- use an NVL around the mime type and
-- if it is a null set it to application/octect
-- application/octect may launch a download window from windows
owa_util.mime_header( nvl(l_mime,'application/octet'), FALSE );
-- set the size so the browser knows how much to download
htp.p('Content-length: ' || l_length);
-- the filename will be used by the browser if the users does a save as
htp.p('Content-Disposition: attachment; filename="'||replace(replace(substr(l_file_name,instr(l_file_name,'/')+1),chr(10),null),chr(13),null)|| '"');
-- close the headers
owa_util.http_header_close;
-- download the BLOB
wpg_docload.download_file( Lob_loc );
END my_image_display;
Edited by: user13831927 on Dec 22, 2012 3:24 PMHi Ying,
you can add a UDF to the table spp2 with a programm
but the table is not yet listed in the 'Manage User Fields' form.
there's no way to "enable" it - sorry -
Display BLOB (image) column in (interactive) report
Hi,
I have a field called "picture" in my table "details" which is of type BLOB. i also have a field for "MIMETYPE" and "filename"
i additionally have a "name" and "description" columns which i need to display along with the picture as columns in a report (preferably interactive).
i have also modified the BLOB display format as per
http://www.oracle.com/webfolder/technetwork/tutorials/obe/db/apex/r31/apex31nf/apex31blob.htm
what i am missing is the correct query. if possible, i would like to control the size of the picture rendered within the report like say 40*50.
I have also referred to the thread
APEX 3.1 Display BLOB Image
But i don't know how to place the
dbms_lob.getlength("BLOB_CONTENT") as "BLOB_CONTENT"
in my query.
The above also makes the report column as of type "number". is this expected?
Any help would be much appreciated.
Regards,
RamakrishnanYou haven't actually said what the problem is?
>
I have a field called "picture" in my table "details" which is of type BLOB. i also have a field for "MIMETYPE" and "filename"
i additionally have a "name" and "description" columns which i need to display along with the picture as columns in a report (preferably interactive).
i have also modified the BLOB display format as per
http://www.oracle.com/webfolder/technetwork/tutorials/obe/db/apex/r31/apex31nf/apex31blob.htm
what i am missing is the correct query.
I have also referred to the thread
APEX 3.1 Display BLOB Image
But i don't know how to place the
dbms_lob.getlength("BLOB_CONTENT") as "BLOB_CONTENT"
>
Something like:
select
name
, description
, dbms_lob.getlength(picture) picture
from
details
if possible, i would like to control the size of the picture rendered within the report like say 40*50.For images close to this size it's easy to do this for declarative BLOB images in interactive reports using CSS. Add a style sheet with:
.apexir_WORKSHEET_DATA td[headers="PICTURE"] img {
display: block;
width: 40px;
border: 1px solid #999;
padding: 4px;
background: #f6f6f6;
}where the <tt>PICTURE</tt> value in the attribute selector is the table header ID of the image column. Setting only one dimension (in this case the width) scales the image with the correct aspect ratio. (The border, padding and background properties are just eye candy...)
However, scaling large images in the browser this way is a huge waste of bandwidth and produces poorer quality images than creating proper scaled down versions using image tools. For improved performance and image quality, and where you require image-specific scaling you can use the database ORDImage object to produce thumbnail and preview versions automatically, as described in this blog post. -
I want to display BLOB image in JSP Using html tags IMG src=
GoodAfternoon Sir/Madom
I Have got the image from oracle database but want to display BLOB image using <IMG src="" > Html tags in JSP page . If it is possible than please give some ideas or
Send me sample codes for display image.
This code is ok and working no problem here Please send me code How to display using html tag from oracle in JSP page.
<%@ page import="java.sql.*" %>
<%@ page import="java.io.*" %>
<%@ page import="javax.swing.ImageIcon;" %>
<%
out.print("hiiiiiii") ;
// declare a connection by using Connection interface
Connection connection = null;
/* Create string of connection url within specified format with machine
name, port number and database name. Here machine name id localhost
and database name is student. */
String connectionURL = "jdbc:oracle:thin:@localhost:1521:orcl";
/*declare a resultSet that works as a table resulted by execute a specified
sql query. */
ResultSet rs = null;
// Declare statement.
PreparedStatement psmnt = null;
// declare InputStream object to store binary stream of given image.
InputStream sImage;
try {
// Load JDBC driver "com.mysql.jdbc.Driver"
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
/* Create a connection by using getConnection() method that takes
parameters of string type connection url, user name and password to
connect to database. */
connection = DriverManager.getConnection(connectionURL, "scott", "root");
/* prepareStatement() is used for create statement object that is
used for sending sql statements to the specified database. */
psmnt = connection.prepareStatement("SELECT image FROM img WHERE id = ?");
psmnt.setString(1, "10");
rs = psmnt.executeQuery();
if(rs.next()) {
byte[] bytearray = new byte[1048576];
int size=0;
sImage = rs.getBinaryStream(1);
//response.reset();
response.setContentType("image/jpeg");
while((size=sImage.read(bytearray))!= -1 ){
response.getOutputStream().write(bytearray,0,size);
catch(Exception ex){
out.println("error :"+ex);
finally {
// close all the connections.
rs.close();
psmnt.close();
connection.close();
%>
ThanksI have done exactly that in one of my applications.
I have extracted the image from the database as a byte array, and displayed it using a servlet.
Here is the method in the servlet which does the displaying:
(since I'm writing one byte at a time, it's probably not terribly efficient but it works)
private void sendImage(byte[] bytes, HttpServletRequest request, HttpServletResponse response) throws IOException {
ServletOutputStream sout = response.getOutputStream();
for(int n = 0; n < bytes.length; n++) {
sout.write(bytes[n]);
sout.flush();
sout.close();
}Then in my JSP, I use this:
<img src="/path-to-servlet/image.jpg"/>
The name of the image to display is in the URL as well as the path to the servlet. The servlet will therefore need to extract the image name from the url and call the database. -
Want to scan an image from oracle forms -- Is it possible??
Hi all,
I want to scan an image from oracle forms through a scanner. I have not found any help on this topic. Pls help with example or code or with demmo form.
BR
Tarik.
Edited by: Tarik_kuet on Sep 9, 2008 1:39 PM
Edited by: Tarik_kuet on Sep 9, 2008 1:39 PMA colleague of me did it like this:
* the scanner is connected to a network document server.
* the document server sends(ftp) the image to the oracle XDB
* a form shows the scanned documents(using a view on the ftp directory in XDB using path_view)
* in this form the user can move the scanned document(s) to a (blob field) in a table.
Hope this helps a bit...
Edited by: poelger on Sep 9, 2008 10:08 AM -
Displaying BLOB image by using ADF Faces
Hi all,
I digged the forum but couldn't find any satisfied answer about displaying BLOB images by using ADF Faces.
I have insterted POJO object to Oracle database but couldn't find any way to display blob (in java byte [] ) data in POJO.
I have read the POJO object from database which contains two field; one of them is id field and other is BLOB data which holds GIF or JPG image and I want to display this image another page which contains also other fields / records ...
thanks for your answers
regards...
--barisThis thread at Sun : http://forum.java.sun.com/thread.jspa?threadID=513804&messageID=2445090
talks about two options for creating a graphicImage jsf tag. (img tag)
1. Make the img tag url refer to a servlet (instead of a static image file)
2. Embed the image into the tag as inline base64 encoded data.
2a. Use an <Object> tag with inline data.
1. Looks a bit complex for a simple problem.
2 and 2a don't work with some browsers.
- And I've not yet figured out how to hook into the ADF Faces table-rendering logic to get it to add my image column. My table binds to a collection DataControl, [which in turn retrieves from a findAllItems call on a session facade, which uses my domain model, and wraps up access to a TopLink pesistence layer]. The framework just ignores my byte[] attribute when creating the jsf table from the DataControl. All string, int etc. attributes get represented correctly in the jsf table output. -
Displaying blob image using adf
Hi ,
We are using adf in our application. We have to disaply blob image from oracle data base on the adf jspx page.This jspx page consists of 2 jsff files.
I have created an httpservlet and called on the source parameter of image this httpservlet with binding similar as below:
source="/httpServletName?id=#{bindings}}"
I am able to display the image.
But my concern is that I am using iterator for displaying images as there can be multiple records in the table but for every recoed I am getting same image. Please suggest how can I display multiple images coming with respect to various records of data base.
thanks & RegardsHi,
After attempting the solution given above also I am getting the same issue.
On the jspx page I want to show Imageid, imagedescription and photo .
I have 4 records coming from database on the jspx page. I have found that all the data (imageid, description) is first displayed on the jspx and then control gets transferred on the ImageServlet only once and in request.getParameterMap() I get only one "ID" value i.e. the ID value of last record (4th record) coming from data base and hence in all the 4 records on jspx I am getting the same image (i.e. the image in the 4th record of db). Please help me to proceed on this issue.
On jspx, I have given image source value as :
<af:image shortDesc="image"
id="image1"
source="/imageservlet?id=#{bindings.Id.inputValue}}"/>
Thanks -
Triger for display next record in oracle forms
hai all,
i want to do
when new form opened i have to add new reord that is empty new form also my new rownum will be displayed.
now i getting first record.
like:
GROUP_ROWNUM: 1
GROUP_ID: 120130
GROUP_NAME aaaaaaaaa
need like:
GROUP_ROWNUM: 7
GROUP_ID:
GROUP_NAME
that can be done by
trigger for display next record in oracle forms?
or through property seting?
thanks in adv,
rcs
--------YES, this block is base on the DB table
through defualt navigational button i can go to next,last,new record
but i want create seperate form for new entry, in that i want to display
old rownum
formula to get rownum automatically (i am not at all typing it is system generated)
even though i created column group_rownum for rownum
(i can't be typing)
LAST_RECORD;
NEXT_RECORD; also not getting the next rownum
i hope now understand me
any posible way?
thank you for your good input
i.e.
SQL> DESC GROUP_MSTR1;
Name Null? Type
GROUP_ID NOT NULL NUMBER(10)
GROUP_NAME NOT NULL VARCHAR2(30)
SQL> select * from GROUP_MSTR1;
GROUP_ID GROUP_NAME
123 AAAAAA
124 BBBBBBBB
125 CCCCCCCCC
126 DDDDDDDD
1 eeeeeeee
2 FFFFFFFFF
3 ggggggg
7 rows selected.
SQL> select rownum, GROUP_ID, GROUP_NAME from GROUP_MSTR1;
ROWNUM GROUP_ID GROUP_NAME
1 123 AAAAAA
2 124 BBBBBBBB
3 125 CCCCCCCCC
4 126 DDDDDDDD
5 1 eeeeeeee
6 2 FFFFFFFFF
7 3 ggggggg
7 rows selected.
------------- -
How can i use png type of images in oracle forms 10.1.2.02.?
<p>If you know the image name, just put it in the CSS file in an image tag. If you want to add it at runtime, use the ADD_IMAGE method. See all that in the documentation.
If you want to go further with this tool, use the dedicated forum to ask questions.
</p>
Francois -
hi,
i am trying to display an image in a form. The code worked fine in j2me emulator, but when i converted the program to a jar and ran the same program in my mobile phone.
i get an exception in Image.createImage(.. method
and exception value is just null.
i know the image is not found in the specified location. but the image is there in the jar file.
how do i solve this issue?
thanks in advance.Its definitly the heap size image, it can be case that image size is very large, u just try by optimizing the image and decreasing the size of image,
or
the image size(widht*height) is larger than actual phone screen
try with small image(small width*height) you will come to know the problem
@rjun -
Urgent ! Code for Displaying Image from Oracle BLOB image on VB Form
Hi Plz any one have any work to showing a Picuture on Visual Basic Form, i Save the Picure in table and its column type is BLOB where i save picture, now i want to show it on VB form. if anybody knows plz tell me. and if image not found then how can i handle in nvl(field,' ') function.
Refer VB sample on Passing LOB parameters to a stored procedure. It shows how to display and insert the image from VB form to an Oracle Database in a BLOB column.
http://otn.oracle.com/sample_code/tech/windows/ole_db/oledb8/content.html
Chandar
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