Images into Podcast
Hello all-
Is it possible to generate a series of images into a Podcast where the user drives the image flow? For example, let's say that I have 10 jpegs or PDFs or whatever works best. I'd like to allow someone to download onto iPod and choose when to move from the first image to the second (go back, continue forward, etc.). Is that possible and if so, can anyone steer me in the right direction?
Thanks,
Dave
In this case, audio is not a requirement.
if you just want images on request, then a web page slide show would do the job, though it couldn't be distributed in the iTunes Store as a podcast.
So, are you saying that I could accomplish what I need to by making each image into its own chapter? Will that image stay on the screen until the user moves chapter forward or chapter backward?
Yes: an audio file with several chapters, each with its image, will show the image applicable to the chapter in which the playhead is currently placed, whether paused or scrolling,
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src_file BFILE;
dst_file BLOB;
lgh_file BINARY_INTEGER;
BEGIN
src_file := BFILENAME ('image_DIR', p_image_name);
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How to store an image into MySQL db using BlazeDS and Hibernate?
Hi!
I am using Flash Builder 4.6, BlazeDS, and Hibernate. How to store a webcam snapshot into the MySql Database. I stored Form Items by using RemoteObject into the database. But I failed to store webcam snapshot. I captured that image on Panel component.I converted that image to ByteArray. Now I want to save that image into the database. Please help me in this regard.
thanks in advance.
Here the Code:
VisitorEntryForm.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:TitleWindow
xmlns:mx="http://www.adobe.com/2006/mxml"
xmlns:vo="com.visitor.vo.*"
width="600"
height="300"
defaultButton="{submitButton}"
showCloseButton="true"
creationComplete="creationCompleteHandler();"
close="PopUpManager.removePopUp(this);"
title="Visitor Entry Form" xmlns:text="flash.text.*">
<mx:RemoteObject id="saveService" destination="visitorService" result="handleSaveResult(event)" fault="handleFault(event)" showBusyCursor="true" />
<vo:Visitor id="visitor"
vType="{vTypeField.text}"
vPurpose="{vPurposeField.text}"
vName="{vNameField.text}"
vAddress="{vAddressField.text}"
cPerson="{cPersonField.text}"
cAddress="{cAddressField.text}"
/>
<mx:Script>
<![CDATA[
import mx.managers.PopUpManager;
import flash.media.Camera;
import com.visitor.vo.WebCam;
import com.visitor.vo.Base64;
import mx.core.UIComponent;
import mx.graphics.codec.JPEGEncoder;
import mx.controls.Alert;
import mx.containers.Canvas;
import mx.rpc.events.ResultEvent;
import mx.rpc.events.FaultEvent;
import mx.events.ValidationResultEvent;
import mx.validators.Validator;
[Bindable]
private var webCam: com.visitor.vo.WebCam;
[Bindable]
private var message:String;
[Bindable]
private var formIsValid:Boolean = false;
[Bindable]
public var formIsEmpty:Boolean;
private var focussedFormControl:DisplayObject;
private function handleSaveResult(ev:ResultEvent):void {
clearFormHandler();
validateForm(ev);
Alert.show("Visitor successfully created/updated.", "Information", Alert.OK, null, null, null, Alert.OK);
// Reload the list.
parentApplication.listConsultants.loaderService.getConsultants();
PopUpManager.removePopUp(this);
private function handleFault(ev:FaultEvent):void {
message = "Error: " + ev.fault.faultCode + " \n "
+ "Detail: " + ev.fault.faultDetail + " \n "
+ "Message: " + ev.fault.faultString;
public function saveVisitor():void {
saveService.addUpdateVisitor(visitor);
private function creationCompleteHandler():void {
init();
PopUpManager.centerPopUp(this);
resetFocus();
private function resetFocus():void {
focusManager.setFocus(vTypeField);
public function validateForm(event:Event):void {
focussedFormControl = event.target as DisplayObject;
formIsValid = true;
// Check if form is empty
formIsEmpty = (vTypeField.text == "" && vPurposeField.text == "" && vNameField.text == "" && vAddressField.text == "" && cPersonField.text == "" && cAddressField.text == "");
validate(vTypeValidator);
validate(vPurposeValidator);
validate(vNameValidator);
validate(vAddressValidator);
validate(cPersonValidator);
validate(cAddressValidator);
private function validate(validator:Validator):Boolean {
var validatorSource:DisplayObject = validator.source as DisplayObject;
var suppressEvents:Boolean = (validatorSource != focussedFormControl);
var event:ValidationResultEvent = validator.validate(null, suppressEvents);
var currentControlIsValid:Boolean = (event.type == ValidationResultEvent.VALID);
formIsValid = formIsValid && currentControlIsValid;
return currentControlIsValid;
private function clearFormHandler():void {
// Clear all input fields.
vTypeField.text = "";
vPurposeField.text = "";
vNameField.text = "";
vAddressField.text = "";
cPersonField.text = "";
cAddressField.text = "";
message = "";
// Clear validation error messages.
vTypeField.errorString = "";
vPurposeField.errorString = "";
vNameField.errorString = "";
vAddressField.errorString = "";
cPersonField.errorString = "";
cAddressField.errorString = "";
formIsEmpty = true;
formIsValid = false;
resetFocus();
private function init():void {
webCam = new WebCam(97,97);
var ref:UIComponent = new UIComponent();
preview.removeAllChildren();
preview.addChild(ref);
ref.addChild(webCam);
private function takeSnapshot():void {
imageViewer.visible = true;
imageViewer.width = preview.width;
imageViewer.height = preview.height;
var uiComponent : UIComponent = new UIComponent();
uiComponent.width = webCam.width;
uiComponent.height = webCam.height;
var photoData:Bitmap = webCam.getSnapshot();
var photoBitmap:BitmapData = photoData.bitmapData;
uiComponent.addChild(photoData);
imageViewer.removeAllChildren();
imageViewer.addChild(uiComponent);
private function uploadSnapshot():void
if (imageViewer.getChildren().length > 0)
var uic:UIComponent = imageViewer.getChildAt(0) as UIComponent;
var bitmap:Bitmap = uic.getChildAt(0) as Bitmap;
var jpgEncoder:JPEGEncoder = new JPEGEncoder(75);
var jpgBytes:ByteArray = jpgEncoder.encode(bitmap.bitmapData);
private function deleteSnapshot():void
imageViewer.removeAllChildren();
]]>
</mx:Script>
<mx:StringValidator id="vTypeValidator" source="{vTypeField}" property="text" minLength="2" required="true" />
<mx:StringValidator id="vPurposeValidator" source="{vPurposeField}" property="text" minLength="2" required="true" />
<mx:StringValidator id="vNameValidator" source="{vNameField}" property="text" minLength="2" required="true" />
<mx:StringValidator id="vAddressValidator" source="{vAddressField}" property="text" minLength="5" required="true" />
<mx:StringValidator id="cPersonValidator" source="{cPersonField}" property="text" minLength="2" required="true" />
<mx:StringValidator id="cAddressValidator" source="{cAddressField}" property="text" minLength="5" required="true" />
<mx:Grid width="575" height="211">
<mx:GridRow width="575" height="211">
<mx:GridItem width="301" height="235">
<mx:Form width="301" height="208">
<mx:FormItem label="Visitor's Type">
<mx:ComboBox id="vTypeField" text="{visitor.vType}" change="validateForm(event);" editable="true">
<mx:Array>
<mx:String></mx:String>
<mx:String>Contractor</mx:String>
<mx:String>Supplier</mx:String>
<mx:String>Transporter</mx:String>
<mx:String>Plant</mx:String>
<mx:String>Non-Plant</mx:String>
</mx:Array>
</mx:ComboBox>
</mx:FormItem>
<mx:FormItem label="Visit Purpose">
<mx:ComboBox id="vPurposeField" text="{visitor.vPurpose}" change="validateForm(event);" editable="true">
<mx:Array>
<mx:String></mx:String>
<mx:String>Official</mx:String>
<mx:String>Personal</mx:String>
</mx:Array>
</mx:ComboBox>
</mx:FormItem>
<mx:FormItem label="Visitor's Name">
<mx:TextInput id="vNameField" text="{visitor.vName}" change="validateForm(event);"/>
</mx:FormItem>
<mx:FormItem label="Address">
<mx:TextInput id="vAddressField" text="{visitor.vAddress}" change="validateForm(event);"/>
</mx:FormItem>
<mx:FormItem label="Contact Person">
<mx:TextInput id="cPersonField" text="{visitor.cPerson}" change="validateForm(event);"/>
</mx:FormItem>
<mx:FormItem label="Address">
<mx:TextInput id="cAddressField" text="{visitor.cAddress}" change="validateForm(event);"/>
</mx:FormItem>
</mx:Form>
</mx:GridItem>
<mx:GridItem width="264" height="193">
<mx:Grid width="241" height="206">
<mx:GridRow width="100%" height="100%">
<mx:GridItem width="100%" height="100%" horizontalAlign="center" verticalAlign="middle">
<mx:Panel width="100" height="132" title="Snap" id="preview" layout="absolute"/>
</mx:GridItem>
<mx:GridItem width="100%" height="100%" horizontalAlign="center" verticalAlign="middle">
<mx:Panel width="100" height="132" title="Preview" id="imageViewer" layout="absolute"/>
</mx:GridItem>
</mx:GridRow>
<mx:GridRow width="100%" height="27" >
<mx:GridItem width="100%" height="100%" horizontalAlign="center">
<mx:Button id="snapshot" x="2" width="106" height="27" label="Snap"
click="takeSnapshot();"/>
</mx:GridItem>
<mx:GridItem width="100%" height="100%" horizontalAlign="center">
<mx:Button id="deleteButton" x="1" width="106" height="27" label="Delete"
click="deleteSnapshot();"/>
</mx:GridItem>
</mx:GridRow>
</mx:Grid>
</mx:GridItem>
</mx:GridRow>
</mx:Grid>
<mx:ControlBar height="40" horizontalAlign="center">
<mx:Button label="Save Visitor" id="submitButton" enabled="{formIsValid}" click="saveVisitor();" />
<mx:Button label="Clear form" enabled="{!formIsEmpty}" click="clearFormHandler();" />
<mx:Button label="Cancel" click="PopUpManager.removePopUp(this);"/>
<mx:Label width="211" id="state"/>
</mx:ControlBar>
<mx:Text text="{message}" fontWeight="bold" width="300"/>
</mx:TitleWindow>
ListVisitors.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:Panel
xmlns:mx="http://www.adobe.com/2006/mxml"
xmlns:view="com.visitor.view.*"
width="100%"
height="100%"
title="Visitor Management System - Found {visitorRecords} visitors."
creationComplete="loadVisitors();">
<mx:RemoteObject id="loaderService" destination="visitorService" result="handleLoadResult(event)" fault="handleFault(event)" showBusyCursor="true" />
<mx:RemoteObject id="deleteService" destination="visitorService" result="handleDeleteResult(event)" fault="handleFault(event)" showBusyCursor="true" />
<mx:Script>
<![CDATA[
import com.visitor.vo.Visitor;
import mx.controls.Alert;
import mx.managers.PopUpManager;
import mx.containers.TitleWindow;
import mx.collections.ArrayCollection;
import mx.rpc.events.ResultEvent;
import mx.rpc.events.FaultEvent;
[Bindable]
private var message:String;
[Bindable]
private var visitors:ArrayCollection = new ArrayCollection();
[Bindable]
private var visitorRecords:int = 0;
public function loadVisitors():void {
loaderService.getVisitors();
private function deleteVisitor():void {
if(dataGrid.selectedItem != null) {
var selectedItem:Visitor = dataGrid.selectedItem as Visitor;
deleteService.deleteVisitor(selectedItem.visitorId);
private function createVisitor():void {
var titleWindow:VisitorEntryForm = VisitorEntryForm(PopUpManager.createPopUp(this, VisitorEntryForm, true));
titleWindow.setStyle("borderAlpha", 0.9);
titleWindow.formIsEmpty = true;
private function updateVisitor():void {
var titleWindow:VisitorEntryForm = VisitorEntryForm(PopUpManager.createPopUp(this, VisitorEntryForm, true));
titleWindow.setStyle("borderAlpha", 0.9);
titleWindow.visitor = dataGrid.selectedItem as Visitor;
titleWindow.formIsEmpty = false;
private function handleLoadResult(ev:ResultEvent):void {
visitors = ev.result as ArrayCollection;
visitorRecords = visitors.length;
private function handleDeleteResult(ev:ResultEvent):void {
Alert.show("The visitor has been deleted.", "Information", Alert.OK, null, null, null, Alert.OK);
loadVisitors();
private function handleFault(ev:FaultEvent):void {
message = "Error: "
+ ev.fault.faultCode + " - "
+ ev.fault.faultDetail + " - "
+ ev.fault.faultString;
]]>
</mx:Script>
<mx:VBox width="100%" height="100%">
<mx:Label text="{message}" fontWeight="bold" includeInLayout="false" />
<mx:DataGrid
id="dataGrid"
width="100%"
height="100%"
dataProvider="{visitors}"
doubleClickEnabled="true"
doubleClick="updateVisitor()" >
<mx:columns>
<mx:DataGridColumn dataField="visitorId" headerText="Visitor ID" width="100"/>
<mx:DataGridColumn dataField="vType" headerText="Visitor's Type" />
<mx:DataGridColumn dataField="vPurpose" headerText="Visit Purpose" />
<mx:DataGridColumn dataField="vName" headerText="Visitor's Name" />
<mx:DataGridColumn dataField="vAddress" headerText="Visitor's Address" />
<mx:DataGridColumn dataField="cPerson" headerText="Contact Person" />
<mx:DataGridColumn dataField="cAddress" headerText="Contact Address" />
<mx:DataGridColumn dataField="timeIn" headerText="Time-In" />
<mx:DataGridColumn dataField="timeOut" headerText="Time-Out" />
<mx:DataGridColumn dataField="vPhoto" headerText="Visitor's Photo" />
</mx:columns>
</mx:DataGrid>
<mx:ControlBar horizontalAlign="center">
<mx:Button label="Create Visitor" click="createVisitor()" toolTip="Create a new visitor and store it in the database." />
<mx:Button label="Update Visitor" click="updateVisitor()" enabled="{dataGrid.selectedItem}" toolTip="Update an existing database visitor." />
<mx:Button label="Delete Visitor" click="deleteVisitor()" enabled="{dataGrid.selectedItem}" toolTip="Delete the visitor from the database." />
<mx:Button label="Reload Data" click="loadVisitors()" toolTip="Reload the visitor list from the database." />
</mx:ControlBar>
</mx:VBox>
</mx:Panel>
Visitor.as
package com.visitor.vo
import mx.controls.Image;
import spark.primitives.BitmapImage;
[Bindable]
[RemoteClass(alias="com.visitor.Visitor")]
public class Visitor
public function Visitor()
public var visitorId:Number;
public var vType:String;
public var vPurpose:String;
public var vName:String;
public var vAddress:String;
public var cPerson:String;
public var cAddress:String;
public var timeIn:Date;
public var timeOut:Date;
public var vPhoto: Image;
Visitor.java
package com.visitor;
import java.sql.Blob;
import java.sql.Timestamp;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import org.hibernate.annotations.Index;
@Entity
@Table(name = "visitors")
@NamedQueries( {
@NamedQuery(name = "visitors.findAll", query = "from Visitor"),
@NamedQuery(name = "visitors.byId", query = "select v from Visitor v where v.visitorId= :visitorId") })
public class Visitor {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "visitorId", nullable = false)
private Long visitorId;
@Basic
@Index(name = "vType_idx_1")
@Column(name = "vType", nullable = true, unique = false)
private String vType;
@Basic
@Column(name = "vPurpose", nullable = true, unique = false)
private String vPurpose;
@Basic
@Column(name = "vName", nullable = true, unique = false)
private String vName;
@Basic
@Column(name = "vAddress", nullable = true, unique = false)
private String vAddress;
@Basic
@Column(name = "cPerson", nullable = true, unique = false)
private String cPerson;
@Basic
@Column(name = "cAddress", nullable = true, unique = false)
private String cAddress;
@Basic
@Column(name = "timeIn", nullable = false, unique = false)
private Timestamp timeIn;
@Basic
@Column(name = "timeOut", nullable = true, unique = false)
private Timestamp timeOut;
@Basic
@Column(name = "vPhoto", nullable = true, unique = false)
private Blob vPhoto;
public Visitor() {
super();
public Long getVisitorId() {
return visitorId;
public void setVisitorId(Long visitorId) {
this.visitorId = visitorId;
public String getvType() {
return vType;
public void setvType(String vType) {
this.vType = vType;
public String getvPurpose() {
return vPurpose;
public void setvPurpose(String vPurpose) {
this.vPurpose = vPurpose;
public String getvName() {
return vName;
public void setvName(String vName) {
this.vName = vName;
public String getvAddress() {
return vAddress;
public void setvAddress(String vAddress) {
this.vAddress = vAddress;
public String getcPerson() {
return cPerson;
public void setcPerson(String cPerson) {
this.cPerson = cPerson;
public String getcAddress() {
return cAddress;
public void setcAddress(String cAddress) {
this.cAddress = cAddress;
public Timestamp getTimeIn() {
return timeIn;
public void setTimeIn(Timestamp timeIn) {
this.timeIn = timeIn;
public Timestamp getTimeOut() {
return timeOut;
public void setTimeOut(Timestamp timeOut) {
this.timeOut = timeOut;
public Blob getvPhoto() {
return vPhoto;
public void setvPhoto(Blob vPhoto) {
this.vPhoto = vPhoto;
VisitorService.java
package com.visitor;
import java.sql.Timestamp;
import java.util.Date;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.persistence.Persistence;
import javax.persistence.Query;
import org.apache.log4j.Logger;
public class VisitorService {
private static final String PERSISTENCE_UNIT = "visitor_db";
private static Logger logger = Logger.getLogger(VisitorService.class);
public VisitorService() {
super();
public List<Visitor> getvisitors() {
logger.debug("** getVisitors called...");
EntityManagerFactory entityManagerFactory = Persistence
.createEntityManagerFactory(PERSISTENCE_UNIT);
EntityManager em = entityManagerFactory.createEntityManager();
Query findAllQuery = em.createNamedQuery("visitors.findAll");
List<Visitor> visitors = findAllQuery.getResultList();
if (visitors != null)
logger.debug("** Found " + visitors.size() + " records:");
return visitors;
public void addUpdateVisitor(Visitor visitor) throws Exception {
logger.debug("** addUpdateVisitor called...");
EntityManagerFactory emf = Persistence
.createEntityManagerFactory(PERSISTENCE_UNIT);
EntityManager em = emf.createEntityManager();
// When passing Boolean and Number values from the Flash client to a
// Java object, Java interprets null values as the default values for
// primitive types; for example, 0 for double, float, long, int, short,
// byte.
if (visitor.getVisitorId() == null || visitor.getVisitorId() == 0) {
// New consultant is created
visitor.setVisitorId(null);
visitor.setTimeIn(new Timestamp(new Date().getTime()));
} else {
visitor.setTimeOut(new Timestamp(new Date().getTime()));
// Existing consultant is updated - do nothing.
EntityTransaction tx = em.getTransaction();
tx.begin();
try {
em.merge(visitor);
tx.commit();
} catch (Exception e) {
logger.error("** Error: " + e.getMessage());
tx.rollback();
throw new Exception(e.getMessage());
} finally {
logger.info("** Closing Entity Manager.");
em.close();
public void deleteVisitor(Long visitorId) {
logger.debug("** deleteVisitor called...");
EntityManagerFactory emf = Persistence
.createEntityManagerFactory(PERSISTENCE_UNIT);
EntityManager em = emf.createEntityManager();
Query q = em.createNamedQuery("visitors.byId");
q.setParameter("visitorId", visitorId);
Visitor visitor = (Visitor) q.getSingleResult();
if (visitor != null) {
EntityTransaction tx = em.getTransaction();
tx.begin();
try {
em.remove(visitor);
tx.commit();
} catch (Exception e) {
logger.error("** Error: " + e.getMessage());
tx.rollback();
} finally {
logger.info("** Closing Entity Manager.");
em.close();
remoting-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<service id="remoting-service" class="flex.messaging.services.RemotingService">
<adapters>
<adapter-definition id="java-object"
class="flex.messaging.services.remoting.adapters.JavaAdapter"
default="true" />
</adapters>
<default-channels>
<channel ref="my-amf" />
</default-channels>
<!-- ADC Demo application -->
<destination id="visitorService">
<properties>
<source>com.visitor.VisitorService</source>
</properties>
</destination>
</service>Hi!
I am using Flash Builder 4.6, BlazeDS, and Hibernate. How to store a webcam snapshot into the MySql Database. I stored Form Items by using RemoteObject into the database. But I failed to store webcam snapshot. I captured that image on Panel component.I converted that image to ByteArray. Now I want to save that image into the database. Please help me in this regard.
thanks in advance.
Here the Code:
VisitorEntryForm.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:TitleWindow
xmlns:mx="http://www.adobe.com/2006/mxml"
xmlns:vo="com.visitor.vo.*"
width="600"
height="300"
defaultButton="{submitButton}"
showCloseButton="true"
creationComplete="creationCompleteHandler();"
close="PopUpManager.removePopUp(this);"
title="Visitor Entry Form" xmlns:text="flash.text.*">
<mx:RemoteObject id="saveService" destination="visitorService" result="handleSaveResult(event)" fault="handleFault(event)" showBusyCursor="true" />
<vo:Visitor id="visitor"
vType="{vTypeField.text}"
vPurpose="{vPurposeField.text}"
vName="{vNameField.text}"
vAddress="{vAddressField.text}"
cPerson="{cPersonField.text}"
cAddress="{cAddressField.text}"
/>
<mx:Script>
<![CDATA[
import mx.managers.PopUpManager;
import flash.media.Camera;
import com.visitor.vo.WebCam;
import com.visitor.vo.Base64;
import mx.core.UIComponent;
import mx.graphics.codec.JPEGEncoder;
import mx.controls.Alert;
import mx.containers.Canvas;
import mx.rpc.events.ResultEvent;
import mx.rpc.events.FaultEvent;
import mx.events.ValidationResultEvent;
import mx.validators.Validator;
[Bindable]
private var webCam: com.visitor.vo.WebCam;
[Bindable]
private var message:String;
[Bindable]
private var formIsValid:Boolean = false;
[Bindable]
public var formIsEmpty:Boolean;
private var focussedFormControl:DisplayObject;
private function handleSaveResult(ev:ResultEvent):void {
clearFormHandler();
validateForm(ev);
Alert.show("Visitor successfully created/updated.", "Information", Alert.OK, null, null, null, Alert.OK);
// Reload the list.
parentApplication.listConsultants.loaderService.getConsultants();
PopUpManager.removePopUp(this);
private function handleFault(ev:FaultEvent):void {
message = "Error: " + ev.fault.faultCode + " \n "
+ "Detail: " + ev.fault.faultDetail + " \n "
+ "Message: " + ev.fault.faultString;
public function saveVisitor():void {
saveService.addUpdateVisitor(visitor);
private function creationCompleteHandler():void {
init();
PopUpManager.centerPopUp(this);
resetFocus();
private function resetFocus():void {
focusManager.setFocus(vTypeField);
public function validateForm(event:Event):void {
focussedFormControl = event.target as DisplayObject;
formIsValid = true;
// Check if form is empty
formIsEmpty = (vTypeField.text == "" && vPurposeField.text == "" && vNameField.text == "" && vAddressField.text == "" && cPersonField.text == "" && cAddressField.text == "");
validate(vTypeValidator);
validate(vPurposeValidator);
validate(vNameValidator);
validate(vAddressValidator);
validate(cPersonValidator);
validate(cAddressValidator);
private function validate(validator:Validator):Boolean {
var validatorSource:DisplayObject = validator.source as DisplayObject;
var suppressEvents:Boolean = (validatorSource != focussedFormControl);
var event:ValidationResultEvent = validator.validate(null, suppressEvents);
var currentControlIsValid:Boolean = (event.type == ValidationResultEvent.VALID);
formIsValid = formIsValid && currentControlIsValid;
return currentControlIsValid;
private function clearFormHandler():void {
// Clear all input fields.
vTypeField.text = "";
vPurposeField.text = "";
vNameField.text = "";
vAddressField.text = "";
cPersonField.text = "";
cAddressField.text = "";
message = "";
// Clear validation error messages.
vTypeField.errorString = "";
vPurposeField.errorString = "";
vNameField.errorString = "";
vAddressField.errorString = "";
cPersonField.errorString = "";
cAddressField.errorString = "";
formIsEmpty = true;
formIsValid = false;
resetFocus();
private function init():void {
webCam = new WebCam(97,97);
var ref:UIComponent = new UIComponent();
preview.removeAllChildren();
preview.addChild(ref);
ref.addChild(webCam);
private function takeSnapshot():void {
imageViewer.visible = true;
imageViewer.width = preview.width;
imageViewer.height = preview.height;
var uiComponent : UIComponent = new UIComponent();
uiComponent.width = webCam.width;
uiComponent.height = webCam.height;
var photoData:Bitmap = webCam.getSnapshot();
var photoBitmap:BitmapData = photoData.bitmapData;
uiComponent.addChild(photoData);
imageViewer.removeAllChildren();
imageViewer.addChild(uiComponent);
private function uploadSnapshot():void
if (imageViewer.getChildren().length > 0)
var uic:UIComponent = imageViewer.getChildAt(0) as UIComponent;
var bitmap:Bitmap = uic.getChildAt(0) as Bitmap;
var jpgEncoder:JPEGEncoder = new JPEGEncoder(75);
var jpgBytes:ByteArray = jpgEncoder.encode(bitmap.bitmapData);
private function deleteSnapshot():void
imageViewer.removeAllChildren();
]]>
</mx:Script>
<mx:StringValidator id="vTypeValidator" source="{vTypeField}" property="text" minLength="2" required="true" />
<mx:StringValidator id="vPurposeValidator" source="{vPurposeField}" property="text" minLength="2" required="true" />
<mx:StringValidator id="vNameValidator" source="{vNameField}" property="text" minLength="2" required="true" />
<mx:StringValidator id="vAddressValidator" source="{vAddressField}" property="text" minLength="5" required="true" />
<mx:StringValidator id="cPersonValidator" source="{cPersonField}" property="text" minLength="2" required="true" />
<mx:StringValidator id="cAddressValidator" source="{cAddressField}" property="text" minLength="5" required="true" />
<mx:Grid width="575" height="211">
<mx:GridRow width="575" height="211">
<mx:GridItem width="301" height="235">
<mx:Form width="301" height="208">
<mx:FormItem label="Visitor's Type">
<mx:ComboBox id="vTypeField" text="{visitor.vType}" change="validateForm(event);" editable="true">
<mx:Array>
<mx:String></mx:String>
<mx:String>Contractor</mx:String>
<mx:String>Supplier</mx:String>
<mx:String>Transporter</mx:String>
<mx:String>Plant</mx:String>
<mx:String>Non-Plant</mx:String>
</mx:Array>
</mx:ComboBox>
</mx:FormItem>
<mx:FormItem label="Visit Purpose">
<mx:ComboBox id="vPurposeField" text="{visitor.vPurpose}" change="validateForm(event);" editable="true">
<mx:Array>
<mx:String></mx:String>
<mx:String>Official</mx:String>
<mx:String>Personal</mx:String>
</mx:Array>
</mx:ComboBox>
</mx:FormItem>
<mx:FormItem label="Visitor's Name">
<mx:TextInput id="vNameField" text="{visitor.vName}" change="validateForm(event);"/>
</mx:FormItem>
<mx:FormItem label="Address">
<mx:TextInput id="vAddressField" text="{visitor.vAddress}" change="validateForm(event);"/>
</mx:FormItem>
<mx:FormItem label="Contact Person">
<mx:TextInput id="cPersonField" text="{visitor.cPerson}" change="validateForm(event);"/>
</mx:FormItem>
<mx:FormItem label="Address">
<mx:TextInput id="cAddressField" text="{visitor.cAddress}" change="validateForm(event);"/>
</mx:FormItem>
</mx:Form>
</mx:GridItem>
<mx:GridItem width="264" height="193">
<mx:Grid width="241" height="206">
<mx:GridRow width="100%" height="100%">
<mx:GridItem width="100%" height="100%" horizontalAlign="center" verticalAlign="middle">
<mx:Panel width="100" height="132" title="Snap" id="preview" layout="absolute"/>
</mx:GridItem>
<mx:GridItem width="100%" height="100%" horizontalAlign="center" verticalAlign="middle">
<mx:Panel width="100" height="132" title="Preview" id="imageViewer" layout="absolute"/>
</mx:GridItem>
</mx:GridRow>
<mx:GridRow width="100%" height="27" >
<mx:GridItem width="100%" height="100%" horizontalAlign="center">
<mx:Button id="snapshot" x="2" width="106" height="27" label="Snap"
click="takeSnapshot();"/>
</mx:GridItem>
<mx:GridItem width="100%" height="100%" horizontalAlign="center">
<mx:Button id="deleteButton" x="1" width="106" height="27" label="Delete"
click="deleteSnapshot();"/>
</mx:GridItem>
</mx:GridRow>
</mx:Grid>
</mx:GridItem>
</mx:GridRow>
</mx:Grid>
<mx:ControlBar height="40" horizontalAlign="center">
<mx:Button label="Save Visitor" id="submitButton" enabled="{formIsValid}" click="saveVisitor();" />
<mx:Button label="Clear form" enabled="{!formIsEmpty}" click="clearFormHandler();" />
<mx:Button label="Cancel" click="PopUpManager.removePopUp(this);"/>
<mx:Label width="211" id="state"/>
</mx:ControlBar>
<mx:Text text="{message}" fontWeight="bold" width="300"/>
</mx:TitleWindow>
ListVisitors.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:Panel
xmlns:mx="http://www.adobe.com/2006/mxml"
xmlns:view="com.visitor.view.*"
width="100%"
height="100%"
title="Visitor Management System - Found {visitorRecords} visitors."
creationComplete="loadVisitors();">
<mx:RemoteObject id="loaderService" destination="visitorService" result="handleLoadResult(event)" fault="handleFault(event)" showBusyCursor="true" />
<mx:RemoteObject id="deleteService" destination="visitorService" result="handleDeleteResult(event)" fault="handleFault(event)" showBusyCursor="true" />
<mx:Script>
<![CDATA[
import com.visitor.vo.Visitor;
import mx.controls.Alert;
import mx.managers.PopUpManager;
import mx.containers.TitleWindow;
import mx.collections.ArrayCollection;
import mx.rpc.events.ResultEvent;
import mx.rpc.events.FaultEvent;
[Bindable]
private var message:String;
[Bindable]
private var visitors:ArrayCollection = new ArrayCollection();
[Bindable]
private var visitorRecords:int = 0;
public function loadVisitors():void {
loaderService.getVisitors();
private function deleteVisitor():void {
if(dataGrid.selectedItem != null) {
var selectedItem:Visitor = dataGrid.selectedItem as Visitor;
deleteService.deleteVisitor(selectedItem.visitorId);
private function createVisitor():void {
var titleWindow:VisitorEntryForm = VisitorEntryForm(PopUpManager.createPopUp(this, VisitorEntryForm, true));
titleWindow.setStyle("borderAlpha", 0.9);
titleWindow.formIsEmpty = true;
private function updateVisitor():void {
var titleWindow:VisitorEntryForm = VisitorEntryForm(PopUpManager.createPopUp(this, VisitorEntryForm, true));
titleWindow.setStyle("borderAlpha", 0.9);
titleWindow.visitor = dataGrid.selectedItem as Visitor;
titleWindow.formIsEmpty = false;
private function handleLoadResult(ev:ResultEvent):void {
visitors = ev.result as ArrayCollection;
visitorRecords = visitors.length;
private function handleDeleteResult(ev:ResultEvent):void {
Alert.show("The visitor has been deleted.", "Information", Alert.OK, null, null, null, Alert.OK);
loadVisitors();
private function handleFault(ev:FaultEvent):void {
message = "Error: "
+ ev.fault.faultCode + " - "
+ ev.fault.faultDetail + " - "
+ ev.fault.faultString;
]]>
</mx:Script>
<mx:VBox width="100%" height="100%">
<mx:Label text="{message}" fontWeight="bold" includeInLayout="false" />
<mx:DataGrid
id="dataGrid"
width="100%"
height="100%"
dataProvider="{visitors}"
doubleClickEnabled="true"
doubleClick="updateVisitor()" >
<mx:columns>
<mx:DataGridColumn dataField="visitorId" headerText="Visitor ID" width="100"/>
<mx:DataGridColumn dataField="vType" headerText="Visitor's Type" />
<mx:DataGridColumn dataField="vPurpose" headerText="Visit Purpose" />
<mx:DataGridColumn dataField="vName" headerText="Visitor's Name" />
<mx:DataGridColumn dataField="vAddress" headerText="Visitor's Address" />
<mx:DataGridColumn dataField="cPerson" headerText="Contact Person" />
<mx:DataGridColumn dataField="cAddress" headerText="Contact Address" />
<mx:DataGridColumn dataField="timeIn" headerText="Time-In" />
<mx:DataGridColumn dataField="timeOut" headerText="Time-Out" />
<mx:DataGridColumn dataField="vPhoto" headerText="Visitor's Photo" />
</mx:columns>
</mx:DataGrid>
<mx:ControlBar horizontalAlign="center">
<mx:Button label="Create Visitor" click="createVisitor()" toolTip="Create a new visitor and store it in the database." />
<mx:Button label="Update Visitor" click="updateVisitor()" enabled="{dataGrid.selectedItem}" toolTip="Update an existing database visitor." />
<mx:Button label="Delete Visitor" click="deleteVisitor()" enabled="{dataGrid.selectedItem}" toolTip="Delete the visitor from the database." />
<mx:Button label="Reload Data" click="loadVisitors()" toolTip="Reload the visitor list from the database." />
</mx:ControlBar>
</mx:VBox>
</mx:Panel>
Visitor.as
package com.visitor.vo
import mx.controls.Image;
import spark.primitives.BitmapImage;
[Bindable]
[RemoteClass(alias="com.visitor.Visitor")]
public class Visitor
public function Visitor()
public var visitorId:Number;
public var vType:String;
public var vPurpose:String;
public var vName:String;
public var vAddress:String;
public var cPerson:String;
public var cAddress:String;
public var timeIn:Date;
public var timeOut:Date;
public var vPhoto: Image;
Visitor.java
package com.visitor;
import java.sql.Blob;
import java.sql.Timestamp;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import org.hibernate.annotations.Index;
@Entity
@Table(name = "visitors")
@NamedQueries( {
@NamedQuery(name = "visitors.findAll", query = "from Visitor"),
@NamedQuery(name = "visitors.byId", query = "select v from Visitor v where v.visitorId= :visitorId") })
public class Visitor {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "visitorId", nullable = false)
private Long visitorId;
@Basic
@Index(name = "vType_idx_1")
@Column(name = "vType", nullable = true, unique = false)
private String vType;
@Basic
@Column(name = "vPurpose", nullable = true, unique = false)
private String vPurpose;
@Basic
@Column(name = "vName", nullable = true, unique = false)
private String vName;
@Basic
@Column(name = "vAddress", nullable = true, unique = false)
private String vAddress;
@Basic
@Column(name = "cPerson", nullable = true, unique = false)
private String cPerson;
@Basic
@Column(name = "cAddress", nullable = true, unique = false)
private String cAddress;
@Basic
@Column(name = "timeIn", nullable = false, unique = false)
private Timestamp timeIn;
@Basic
@Column(name = "timeOut", nullable = true, unique = false)
private Timestamp timeOut;
@Basic
@Column(name = "vPhoto", nullable = true, unique = false)
private Blob vPhoto;
public Visitor() {
super();
public Long getVisitorId() {
return visitorId;
public void setVisitorId(Long visitorId) {
this.visitorId = visitorId;
public String getvType() {
return vType;
public void setvType(String vType) {
this.vType = vType;
public String getvPurpose() {
return vPurpose;
public void setvPurpose(String vPurpose) {
this.vPurpose = vPurpose;
public String getvName() {
return vName;
public void setvName(String vName) {
this.vName = vName;
public String getvAddress() {
return vAddress;
public void setvAddress(String vAddress) {
this.vAddress = vAddress;
public String getcPerson() {
return cPerson;
public void setcPerson(String cPerson) {
this.cPerson = cPerson;
public String getcAddress() {
return cAddress;
public void setcAddress(String cAddress) {
this.cAddress = cAddress;
public Timestamp getTimeIn() {
return timeIn;
public void setTimeIn(Timestamp timeIn) {
this.timeIn = timeIn;
public Timestamp getTimeOut() {
return timeOut;
public void setTimeOut(Timestamp timeOut) {
this.timeOut = timeOut;
public Blob getvPhoto() {
return vPhoto;
public void setvPhoto(Blob vPhoto) {
this.vPhoto = vPhoto;
VisitorService.java
package com.visitor;
import java.sql.Timestamp;
import java.util.Date;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.persistence.Persistence;
import javax.persistence.Query;
import org.apache.log4j.Logger;
public class VisitorService {
private static final String PERSISTENCE_UNIT = "visitor_db";
private static Logger logger = Logger.getLogger(VisitorService.class);
public VisitorService() {
super();
public List<Visitor> getvisitors() {
logger.debug("** getVisitors called...");
EntityManagerFactory entityManagerFactory = Persistence
.createEntityManagerFactory(PERSISTENCE_UNIT);
EntityManager em = entityManagerFactory.createEntityManager();
Query findAllQuery = em.createNamedQuery("visitors.findAll");
List<Visitor> visitors = findAllQuery.getResultList();
if (visitors != null)
logger.debug("** Found " + visitors.size() + " records:");
return visitors;
public void addUpdateVisitor(Visitor visitor) throws Exception {
logger.debug("** addUpdateVisitor called...");
EntityManagerFactory emf = Persistence
.createEntityManagerFactory(PERSISTENCE_UNIT);
EntityManager em = emf.createEntityManager();
// When passing Boolean and Number values from the Flash client to a
// Java object, Java interprets null values as the default values for
// primitive types; for example, 0 for double, float, long, int, short,
// byte.
if (visitor.getVisitorId() == null || visitor.getVisitorId() == 0) {
// New consultant is created
visitor.setVisitorId(null);
visitor.setTimeIn(new Timestamp(new Date().getTime()));
} else {
visitor.setTimeOut(new Timestamp(new Date().getTime()));
// Existing consultant is updated - do nothing.
EntityTransaction tx = em.getTransaction();
tx.begin();
try {
em.merge(visitor);
tx.commit();
} catch (Exception e) {
logger.error("** Error: " + e.getMessage());
tx.rollback();
throw new Exception(e.getMessage());
} finally {
logger.info("** Closing Entity Manager.");
em.close();
public void deleteVisitor(Long visitorId) {
logger.debug("** deleteVisitor called...");
EntityManagerFactory emf = Persistence
.createEntityManagerFactory(PERSISTENCE_UNIT);
EntityManager em = emf.createEntityManager();
Query q = em.createNamedQuery("visitors.byId");
q.setParameter("visitorId", visitorId);
Visitor visitor = (Visitor) q.getSingleResult();
if (visitor != null) {
EntityTransaction tx = em.getTransaction();
tx.begin();
try {
em.remove(visitor);
tx.commit();
} catch (Exception e) {
logger.error("** Error: " + e.getMessage());
tx.rollback();
} finally {
logger.info("** Closing Entity Manager.");
em.close();
remoting-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<service id="remoting-service" class="flex.messaging.services.RemotingService">
<adapters>
<adapter-definition id="java-object"
class="flex.messaging.services.remoting.adapters.JavaAdapter"
default="true" />
</adapters>
<default-channels>
<channel ref="my-amf" />
</default-channels>
<!-- ADC Demo application -->
<destination id="visitorService">
<properties>
<source>com.visitor.VisitorService</source>
</properties>
</destination>
</service> -
I've been having problems loading an image into an Applet. I've found that when the getImage() call is put into the init() method it loads the image fine, also implementing an imageUpdate call. However, now I'm trying to expand on this by putting it into a button click, it hangs indefinitely while waiting for the image to load.
Another interesting point I've noticed is that the Canvas subclass ImageSegmentSelector uses a PixelGrabber in its constructor to put the Image into a buffer - when this class is created from the imageUpdate() call, NOT the init() call, the grabPixels() call hangs indefinitely too!!
Any feedback, please,
Jonathan Pendrous
import java.applet.*;
import java.net.*;
import jmpendrous.util.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
public class XplaneGlobalSceneryDownloader extends Applet implements ActionListener{
ImageSegmentSelector worldMap;
Image img;
URL url;
int longtitude = 36;
int latitude = 18;
boolean imageLoaded;
TextField t1, t2,t3;
Label l1,l2,l3;
Button b1;
Applet a1;
public void init() {
a1 = this;
l1 = (Label) add(new Label("Number of horizontal sections: "));
t1 = (TextField) add(new TextField("45",3));
l2 = (Label) add(new Label("Number of vertical sections: "));
t2 = (TextField) add(new TextField("45",3));
l3 = (Label) add(new Label("URL of image file: "));
t3 = (TextField) add(new TextField("file:///C:/java/work/xplane_project/source/world-landuse.GIF",60));
b1 = (Button) add(new Button("Load image"));
b1.addActionListener(this);
validate();
// THIS CODE WORKS FINE ...
/*try { url = new URL("file:///C:/java/work/xplane_project/source/world-landuse.GIF"); }
catch(MalformedURLException e) { System.exit(0); }
img = getImage(url);
//int w=img.getWidth(this);
while(imageLoaded==false) { try { Thread.sleep(1000); } catch(InterruptedException e) {System.exit(0); } }
worldMap = new ImageSegmentSelector(this, img, longtitude, latitude);
add(worldMap);
//resize(worldMap.getWidth(), worldMap.getHeight());
validate();*/
//repaint();
//worldMap = new ImageSegmentSelector(this, img, longtitude, latitude);
//repaint();
public void actionPerformed(ActionEvent e) {
try { longtitude = Integer.parseInt(t1.getText()); } catch (NumberFormatException ex) {System.exit(0); }
try { latitude = Integer.parseInt(t2.getText()); } catch (NumberFormatException e2) {System.exit(0); }
try { url = new URL(t3.getText()); }
catch(MalformedURLException e3) { System.exit(0); }
img = getImage(url);
//int w=img.getWidth(this);
while(imageLoaded==false)
{ try { Thread.sleep(1000); } //KEEPS ON LOOPING
catch(InterruptedException e4) {System.exit(0); } }
worldMap = new ImageSegmentSelector(a1, img, longtitude, latitude);
add(worldMap);
//resize(worldMap.getWidth(), worldMap.getHeight());
validate();
public boolean imageUpdate(Image i, int flags, int x, int y, int w, int h){
// THIS NEVER GETS CALLED AT ALL //
if (((flags & ImageObserver.WIDTH) != 0) && ((flags & ImageObserver.HEIGHT) != 0)) {
//worldMap = new ImageSegmentSelector(this, i, longtitude, latitude);
//add(worldMap);
//validate();
//repaint();
imageLoaded = true;
return false;
return true;
}Sorry, thought this had been lost.
You can load a file if the applet itself is run from the local filesystem - it loads it fine from the init(), but not otherwise. But I haven't got the applet to run from a browser yet without crashing (it's OK in the IDE debugger), so that's the next step. -
Hi,
I'm still trying to fetch some images into my database, gif or jpeg, but I have some problems. I used the following code but it gives me a compile error. I don't understand why! EXEC does'nt work.
CREATE TABLE MY_IMAGES_DB(
id NUMBER(10) NOT NULL,
name VARCHAR2(50) NOT NULL,
image BLOB NOT NULL
ALTER TABLE IMAGE_CBR.MY_IMAGES_DB ADD (
CONSTRAINT images_pk PRIMARY KEY (id)
ALTER TABLE IMAGE_CBR.MY_IMAGES_DB ADD (
CONSTRAINT images_uk UNIQUE (name)
CREATE SEQUENCE images_seq1;
CREATE OR REPLACE DIRECTORY image_dir AS 'C:\IMAGES';
CREATE OR REPLACE PACKAGE Images_API AS
PROCEDURE Load (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE);
PROCEDURE Get (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE,
p_type IN VARCHAR2 DEFAULT 'gif');
PROCEDURE Get_Gif (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE);
PROCEDURE Get_Jpeg (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE);
END;
CREATE OR REPLACE PACKAGE BODY Images_API AS
PROCEDURE Load (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE) IS
v_bfile BFILE;
v_blob BLOB;
BEGIN
INSERT INTO IMAGE_CBR.MY_IMAGES_DB (id, name, image)
VALUES (images_seq1.NEXTVAL, p_name, empty_blob())
RETURN image INTO v_blob;
v_bfile := BFILENAME('image_dir', p_name);
Dbms_Lob.Fileopen(v_bfile, Dbms_Lob.File_Readonly);
Dbms_Lob.Loadfromfile(v_blob, v_bfile, Dbms_Lob.Getlength(v_bfile));
Dbms_Lob.Fileclose(v_bfile);
COMMIT;
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
RAISE;
END;
PROCEDURE Get (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE,
p_type IN VARCHAR2 DEFAULT 'gif') IS
v_blob BLOB;
v_amt NUMBER := 30;
v_off NUMBER := 1;
v_raw RAW(4096);
BEGIN
SELECT image
INTO v_blob
FROM IMAGE_CBR.MY_IMAGES_DB
WHERE name = p_name;
Owa_Util.Mime_Header('image/' || p_type);
BEGIN
LOOP
Dbms_Lob.Read(v_blob, v_amt, v_off, v_raw);
Htp.Prn(Utl_Raw.Cast_To_Varchar2(v_raw));
v_off := v_off + v_amt;
v_amt := 4096;
END LOOP;
EXCEPTION
WHEN NO_DATA_FOUND THEN
NULL;
END;
END;
PROCEDURE Get_Gif (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE) IS
BEGIN
Get (p_name, 'gif');
END;
PROCEDURE Get_Jpeg (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE) IS
BEGIN
Get (p_name, 'jpeg');
END;
END;
EXEC Images_API.Load('sun201.gif');
Can someone help me?
ThanksHi,
I'm still trying to fetch some images into my database, gif or jpeg, but I have some problems. I used the following code but it gives me a compile error. I don't understand why! EXEC does'nt work.
CREATE TABLE MY_IMAGES_DB(
id NUMBER(10) NOT NULL,
name VARCHAR2(50) NOT NULL,
image BLOB NOT NULL
ALTER TABLE IMAGE_CBR.MY_IMAGES_DB ADD (
CONSTRAINT images_pk PRIMARY KEY (id)
ALTER TABLE IMAGE_CBR.MY_IMAGES_DB ADD (
CONSTRAINT images_uk UNIQUE (name)
CREATE SEQUENCE images_seq1;
CREATE OR REPLACE DIRECTORY image_dir AS 'C:\IMAGES';
CREATE OR REPLACE PACKAGE Images_API AS
PROCEDURE Load (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE);
PROCEDURE Get (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE,
p_type IN VARCHAR2 DEFAULT 'gif');
PROCEDURE Get_Gif (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE);
PROCEDURE Get_Jpeg (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE);
END;
CREATE OR REPLACE PACKAGE BODY Images_API AS
PROCEDURE Load (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE) IS
v_bfile BFILE;
v_blob BLOB;
BEGIN
INSERT INTO IMAGE_CBR.MY_IMAGES_DB (id, name, image)
VALUES (images_seq1.NEXTVAL, p_name, empty_blob())
RETURN image INTO v_blob;
v_bfile := BFILENAME('image_dir', p_name);
Dbms_Lob.Fileopen(v_bfile, Dbms_Lob.File_Readonly);
Dbms_Lob.Loadfromfile(v_blob, v_bfile, Dbms_Lob.Getlength(v_bfile));
Dbms_Lob.Fileclose(v_bfile);
COMMIT;
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
RAISE;
END;
PROCEDURE Get (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE,
p_type IN VARCHAR2 DEFAULT 'gif') IS
v_blob BLOB;
v_amt NUMBER := 30;
v_off NUMBER := 1;
v_raw RAW(4096);
BEGIN
SELECT image
INTO v_blob
FROM IMAGE_CBR.MY_IMAGES_DB
WHERE name = p_name;
Owa_Util.Mime_Header('image/' || p_type);
BEGIN
LOOP
Dbms_Lob.Read(v_blob, v_amt, v_off, v_raw);
Htp.Prn(Utl_Raw.Cast_To_Varchar2(v_raw));
v_off := v_off + v_amt;
v_amt := 4096;
END LOOP;
EXCEPTION
WHEN NO_DATA_FOUND THEN
NULL;
END;
END;
PROCEDURE Get_Gif (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE) IS
BEGIN
Get (p_name, 'gif');
END;
PROCEDURE Get_Jpeg (p_name IN IMAGE_CBR.MY_IMAGES_DB.name%TYPE) IS
BEGIN
Get (p_name, 'jpeg');
END;
END;
EXEC Images_API.Load('sun201.gif');
Can someone help me?
Thanks -
Unable to load TIF images into Photoshop.
CS4 (11.0.2) and Windows 7 Home Edition.
Have developed a problem trying to load some TIF images into Photoshop. I have a large number of images archived over a decade or more. At this point it may some of the older files that exhibit the problem. Now all these files were edited and stored using the Photoshop versions during the complete time period. The files are always saved with no compression. Have tried to load from Photoshop and clicking on the file in a file list. Photoshop just hangs and I get the message Program not responding. I can take these same files and load them into the ROXIO photo editor with no problem. Stranger yet is if I simply load the file into the ROXIO editor then "save as" back into the same folder (overwrite) the file can then be brought into Photoshop with no problem! Any ideas?Noel,
Will try to keep short.
I reinstalled Photoshop CS4 from the cd CS set. Did not uninstall first. Restarted PC and Photoshop. Still failed the same way with a 3001 image.
Did the following, changing one item in the Edit->Preference->GPU Setting. After each change, closed Photoshop, reopened, brought in 3001 image, restored original setting. 3001 failed each time.
* Unchecked Enable OpenGL Drawing
* Advanced setup: Unchecked Advanced Drawing.
* Advanced setup: Unchecked Color Matching
Next went to the Edit->Color Profile.
Scanned thru options and saw in the Convert Options: Engine. It was set to Adobe (ACE). ACE was the module name in the error detail!
Only other option for this is Microsoft ICM. Changed to that, close/open Photoshop and 3001 came in no problem. So did the Nikon 3000, srgb IEC 61922 2.1 and Untagged. However, when briging in an Adobe RGB(1998) image Photoshop notes Profile Mismatch. It allows me to decide what to do (use embedded profile instead of workspace; convert color to work space color; discard embedded profile. and I choose use the convert color and it loads ok. At least it loads the image! Will use this approach for now. I need to get educated on color profiles!!
Joe -
I have a template that I am able to plug different pictures into at different times. The problem is that when I plug an image into that template, I find that the image is either too big or too small. Is there a way to plug the image into the template and resize the image (and not the template itself) OR will I have to go to the file with the original image and resize it there and then try to plug it in to the template to see if it fits------and if it does not fit, go back to the original file with the image and resize it again and see if that fits---and so on and so on...........? I have tried the" image size" option but it's hit or miss------mostly miss!
Thanks!Read up on Smart Objects. It looks like you have no idea as to how to create and use them.
Jut create a Smart Object from the layer containing whatever it image it is that you are "plugging into your template". But you do need to learn the application at its most basic levels.
Photoshop is a professional level application that makes no apologies for its very long and steep learning curve. You cannot learn Photoshop in a forum, one question at a time.
Or is it possible that you don't even have Photoshop proper but the stripped-down Photoshop Elements?"
If the latter is the case, you're in the wrong forum. This is not the Elements forum.
Here's the link to the forum you would want if you're working in Elements.:
https://forums.adobe.com/community/photoshop_elements/content
If you do have Photoshop proper, please provide the exact version number of that application and of your OS.
(edited for clarification) -
Problem in saving the image into SQL database..
Hello,
In my application I have to save image file (say jpg) into the database and retrieve back and display it on the applet. I am through with grabbing the pixels of the image & sending the pixel array to the servlet but I am struck in how to store the image into the database and retrieve the same.
Can anybody please help me in this regard... its really urgent...
Thanks in advance
SwarnaHello.
I've been researching this problem (saving images in a MySQL database) in order to accomplish a task I was assigned to. Finally I was able to do it. I'd be glad if it will be of any use.
First of all: the original question was related to an applet. So, the post from rkippen should be read. It says almost everything, leaving the code job for us. Since I managed to write some code, I'll put it here, but I'm not dealing with the byte transferring issue.
To obtain a byte array from a file I'd open the file with FileInputStream and use a loop to read bytes from it and save them into a ByteArrayOutputStream object. The ByteArrayOutputStream class has a method named �toByteArray()� which returns an array of bytes (byte [] b = baos.toByteArray()) that can be transferred in a socket connection, as said by rkippen.
My problem was to save an image captured by a web camera. I had an Image object, which I converted into a byte array and saved into the database. Eventually I had to read the image and show it to the user.
The table in the MySQL database could be:
CREATE TABLE test (
id int(11) NOT NULL auto_increment,
img blob NOT NULL,
PRIMARY KEY (id)
)I had problems trying to use the �setBlob� and �getBlob� methods in the Statement object, so I used the �setBytes� and �getBytes� methods . In the end, I liked these methods most because they where more suitable to my application.
The database operations are:
public int insertImage(Image image) throws SQLException {
int id = -1;
String sql = "insert into test (img) values (?)\n";
PreparedStatement ps = this.getStatement(sql); // this method is trivial
byte [] bytes = this.getBytes(imagem); // * see below
ps.setBytes(1, bytes);
ps.executeUpdate();
id = ps.getGeneratedKeys().getInt(0); //Actually I couldn't make this line work yet.
return id;
public Image selectImage(int id) throws SQLException {
Image img = null;
String sql = "select img from test where id = ?\n";
PreparedStatement ps = getStatement(sql);
ps.setInt(1, id);
ResultSet rs = ps.executeQuery();
if (rs.next()) {
byte [] bytes = rs.getBytes(1);
img = this.getImage(bytes); // * see below
return img;
}* If the bytes are read directly from a file, I think it is not necessary to convert it into an Image. Just send the bytes to the database method would work. On the other hand, if the image read form the DB will be written directly into files, the bytes obtained from rs.getBytes(1) would be enough.
The image operations are:
public byte [] getBytes(Image image) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
ImageIO.write(this.getBufferedImage(image), "JPEG", baos);
} catch (IOException ex) {
throw new RuntimeException(ex);
return baos.toByteArray();
public Image getImage(byte [] bytes) {
Image image = null;
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
try {
image = ImageIO.read(bais);
} catch (IOException ex) {
throw new RuntimeException(ex);
return image;
public BufferedImage getBufferedImage(Image image) {
int width = image.getWidth(null);
int height = image.getHeight(null);
BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = bi.createGraphics();
g2d.drawImage(image, 0, 0, null);
return bi;
}That's it. I hope it is useful. -
Problem in uploading an image into a CM repository!!
Hi All,
I am trying to use the Fileupload element in JSP dynpage.
My screen has the Fileupload element and a button.
<b>I want to upload an image into a CM repository.</b>
I have put <hbj:form id="myFormId" encodingType="multipart/form-data" > in my jsp page.
The <b>'onClick'</b> method is <b>'onLoadFile'</b>.
<i><b>The following is my code:</b></i>
public void onLoadFile(Event event)
FileUpload fu =
(FileUpload) this.getComponentByName("myfileupload");
if (fu != null) {
// Get file parameters
IFileParam fileParam = fu.getFile();
// Get the temporary file name
File f = fileParam.getFile();
String fileName = fileParam.getFileName();
// Get the selected file name
String ivSelectedFileName = fu.getFile().getSelectedFileName();
try {
int len = (int) f.length();
byte a[] = new byte[len];
FileInputStream fin = new FileInputStream(f);
fin.read(a);
String FileContent = a.toString();
IPortalComponentRequest request =
(IPortalComponentRequest) this.getRequest();
com.sapportals.portal.security.usermanagement.IUser user =
(com.sapportals.portal.security.usermanagement.IUser) request.getUser().getUser();
IResourceFactory factory = ResourceFactory.getInstance();
IResourceContext context = new ResourceContext(user);
RID rid = RID.getRID("/documents/test");
IResource resource = factory.getResource(rid, context);
if (resource != null) {
ICollection parent =
(ICollection) ResourceFactory
.getInstance()
.getResource(
rid,
context);
String out = new String(FileContent);
ByteArrayInputStream data =
new ByteArrayInputStream(out.getBytes());
IContent content =
new Content(data, "text/html", data.available());
IResource fileResource =
parent.createResource(fileName, null, content);
} catch (Exception e) {
<b>..... REMAINING CODE...</b>
I uploaded <b>abc.jpg (<i>size: 2KB</i>)</b>, then, an image file with the same-name is being created in the <b>/documents/test</b> folder but the size is <b>10Bytes</b> only. <b>I am not able to see the image</b> too.
Can any1 help me plzzzz??? Would appreciate any kind of help.
Thanks in advance.
<b>
Regards,
Sai Krishna.</b>I would guess that this is because of the way you try to read the file contents. Maybe you should add some debug statements to find out what you're realling setting as content. It's certainly not KM's fault.
The following sequence of statements looks wrong:
nt len = (int) f.length();
byte a[] = new byte[len];
FileInputStream fin = new FileInputStream(f);
fin.read(a);
String FileContent = a.toString();
IPortalComponentRequest request =
(IPortalComponentRequest) this.getRequest();
com.sapportals.portal.security.usermanagement.IUser user =
(com.sapportals.portal.security.usermanagement.IUser) request.getUser().getUser();
IResourceFactory factory = ResourceFactory.getInstance();
IResourceContext context = new ResourceContext(user);
RID rid = RID.getRID("/documents/test");
IResource resource = factory.getResource(rid, context);
if (resource != null) {
ICollection parent =
(ICollection) ResourceFactory
.getInstance()
.getResource(
rid,
context);
String out = new String(FileContent);
ByteArrayInputStream data =
new ByteArrayInputStream(out.getBytes());
IContent content =
new Content(data, "text/html", data.available());
Why don't you just pass the FileInputStream into the Content object's constructor???
Best regards, Julian -
Loading an image into an Applet from a JAR file
Hello everyone, hopefully a simple question for someone to help me with!
Im trying to load some images into an applet, currently it uses the JApplet.getImage(url) method just before registering with a media tracker, which works but for the sake of efficiency I would prefer the images all to be contained in the jar file as oppossed to being loaded individually from the server.
Say I have a class in a package eg, 'com.mydomain.myapplet.class.bin' and an images contained in the file structure 'com.mydomain.myapplet.images.img.gif' how do I load it (and waiting for it to be loaded before preceeding?
I've seen lots of info of the web for this but much of it is very old (pre 2000) and im sure things have changed a little since then.
Thanks for any help!I don't touch applets, so I can't help you there, but here's some Friday Fun: tracking image loading.
import java.awt.*;
import java.awt.image.*;
import java.beans.*;
import java.io.*;
import java.net.*;
import javax.imageio.*;
import javax.imageio.event.*;
import javax.imageio.stream.*;
import javax.swing.*;
public class ImageLoader extends SwingWorker<BufferedImage, Void> {
private URL url;
private JLabel target;
private IIOReadProgressAdapter listener = new IIOReadProgressAdapter() {
@Override public void imageProgress(ImageReader source, float percentageDone) {
setProgress((int)percentageDone);
@Override public void imageComplete(ImageReader source) {
setProgress(100);
public ImageLoader(URL url, JLabel target) {
this.url = url;
this.target = target;
@Override protected BufferedImage doInBackground() throws IOException {
ImageInputStream input = ImageIO.createImageInputStream(url.openStream());
try {
ImageReader reader = ImageIO.getImageReaders(input).next();
reader.addIIOReadProgressListener(listener);
reader.setInput(input);
return reader.read(0);
} finally {
input.close();
@Override protected void done() {
try {
target.setIcon(new ImageIcon(get()));
} catch(Exception e) {
JOptionPane.showMessageDialog(null, e, "Error", JOptionPane.ERROR_MESSAGE);
//demo
public static void main(String[] args) throws IOException {
final URL url = new URL("http://blogs.sun.com/jag/resource/JagHeadshot.jpg");
EventQueue.invokeLater(new Runnable(){
public void run() {
launch(url);
static void launch(URL url) {
JLabel imageLabel = new JLabel();
final JProgressBar progress = new JProgressBar();
progress.setBorderPainted(true);
progress.setStringPainted(true);
JScrollPane scroller = new JScrollPane(imageLabel);
scroller.setPreferredSize(new Dimension(800,600));
JPanel content = new JPanel(new BorderLayout());
content.add(scroller, BorderLayout.CENTER);
content.add(progress, BorderLayout.SOUTH);
JFrame f = new JFrame("ImageLoader");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setContentPane(content);
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
ImageLoader loader = new ImageLoader(url, imageLabel);
loader.addPropertyChangeListener( new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
if ("progress".equals(evt.getPropertyName())) {
progress.setValue((Integer)evt.getNewValue());
System.out.println(evt.getNewValue());
} else if ("state".equals(evt.getPropertyName())) {
if (SwingWorker.StateValue.DONE == evt.getNewValue()) {
progress.setIndeterminate(true);
loader.execute();
abstract class IIOReadProgressAdapter implements IIOReadProgressListener {
@Override public void imageComplete(ImageReader source) {}
@Override public void imageProgress(ImageReader source, float percentageDone) {}
@Override public void imageStarted(ImageReader source, int imageIndex) {}
@Override public void readAborted(ImageReader source) {}
@Override public void sequenceComplete(ImageReader source) {}
@Override public void sequenceStarted(ImageReader source, int minIndex) {}
@Override public void thumbnailComplete(ImageReader source) {}
@Override public void thumbnailProgress(ImageReader source, float percentageDone) {}
@Override public void thumbnailStarted(ImageReader source, int imageIndex, int thumbnailIndex) {}
} -
How do I add multiple images into one file?
I'm sure this is something that's been covered in another post (or even in the help portal) but I think my wording in my search terms are not correct or... I don't know, because I just can't find what I'm looking for.
I want to know how to add multiple images into one file/one image, both horizontally and/or vertically. To give you an idea of what I mean, check out :
http://www.best10apps.com/apps/comic-story,531596060.html
If you scroll down, you'll see a heading entitled : Screenshots of Comic Story. Notice how there's 3 pictures (divided by borders). 2 of those pictures are side by side, and 1 of them is below the first 2 pictures.
I want to know how to add different pictures/images and put them into one picture.One way is to create template PSD files and populate them with your images using Photoshops scripts.
Photo Collage Toolkit UPDATED June 12, added Picture Package Support via PasteImageRoll and BatchPicturePackage scripts.
The package includes four simple rules to follow when making Photo Collage Template PSD files so they will be compatible with my Photoshop scripts.
There are eleven scripts in this package they provide the following functions:
TestCollageTemplate.jsx - Used to test a Photo Collage Template while you are making it with Photoshop.
CollageTemplateBuilder.jsx - Can build Templates compatible with this toolkit's scripts.
LayerToAlphaChan.jsx - Used to convert a Prototype Image Layer stack into a template document.
InteractivePopulateCollage.jsx - Used to interactively populate Any Photo Collage template. Offers most user control inserting pictures and text.
ReplaceCollageImage.jsx - use to replace a populated collage image Smart Object layer with an other image correctly resized and positioned.
ChangeTextSize.jsx - This script can be used to change Image stamps text size when the size used by the populating did not work well.
PopulateCollageTemplate.jsx - Used to Automatically populate a Photo Collage template and leave the populated copy open in Photoshop.
BatchOneImageCollage.jsx - Used to Automatically Batch Populate Collage templates that only have one image inserted. The Collage or Image may be stamped with text.
BatchMultiImageCollage.jsx - Used to Automatically Batch Populate Any Photo Collage template with images in a source image folder. Easier to use than the interactive script. Saved collages can be tweaked.
BatchPicturePackage.jsx - Used to Automatically Batch Populate Any Photo Collage template with an image in a source image folder
PasteImageRoll.jsx - Paste Images into a document to be print on roll paper.
Documentation and Examples -
How do I import a jpg image into my mail signature box so that it wont separate into an attachment when it gets to the receiving mail box. We have a company logo and when I send it to someone it does not show up under our address but rather as an attachment. How do I keep this from happening?
Hello
be sure to send your email into HTML format end be sure your corespondant read mail as HTML format
as you can not be sure of your coresspondant email setting , you can not be sure as your mail is read
Pierre -
How do I turn an image into a transparency?
Hi,
There's a question I've seen asked dozens or hundreds of times, and I thought I found an answer a few years ago. I've since forgotten how to do it:
Turn an image into a transparency.
Now, the obvious solution is to set the layer to "multiply." Yes, this is the effect I want. However, I want the layer to be transparent instead.
Another solution is to draw an image on a transparent layer. This works great, but only applies if I create the image from scratch. I want to convert an existing image.
Another solution is multiple steps:
1) Copy image
2) Click "edit in quick mask mode."
3) Paste image
4) Exit quick mask mode.
5) Invert selection.
6) Ctrl+backspace to fill selection with black, on a blank transparent layer.
Result? The image is now transparent! However, this converts the image to greyscale! Great for linework and text, terrible for photos or art!
In an older version of Photoshop 7, I believe I got the following to work:
A) Follow the previous steps 1-6, creating a layer with transparency
B) Copy the original picture to a layer above the transparency
C) Group the layer with the transparency layer below. (Note, grouping doesn't work the same any more.)
D) The top layer provides the colors, but the bottom layer provides the transparency.
E) It is too light, so you take the top layer, and maximize "saturation" 100%.
F) Merge the two layers. It retains the transparency of the bottom layer, with the hue of the top layer.
This no longer works, because I don't know how grouping layers works anymore.
So, I need white pixels to be transparent. Black pixels to have zero transparency. Red pixels to have zero transparency. Etc.
Meanwhile, grey pixels are solid black, but partly transparent. Pink pixels are solid red, but partly transparent.
All pixels are 100% saturated, and the "lightness" is determined by how transparent they are.
So, an analogy would be printing a photo on a transparency. I need to convert an image to a transparency.
If the image/layer were overlaid on white, it would look exactly like the original photo.
Does anyone know how to accomplish this? Mathematically, it's easy. But I don't know about any filter, process, or method to make the conversion using CS5.
Thanks,
BenHello!
I hope that I understand what you need.
(One could just put the image on a layer, and lower its opacity, but you seem to be looking for an effect in wich the tranparency is not the same for all pixels.)
Try this:
1) Turn your image image as a layer (double-click it if it is a background layer) [In order to add a mask]
2) Select all, Copy (CTRL+a, CTRL+C)
3) add a layer mask (click the rectangle with a circle in the bottom of the layers panel) [to be able to change transparency]
4) target the mask [so that you can past an image in it] ALT+click the mask, paste the image.
5) Invert the colors of the mask (CTRL+I) [in order for the white to be transparent and the black opaque].
You now have a layer whose transparency is based on the lightness of the pixels.
Hope that's what you are after!
Pierre -
How do I import multiple images into single individual cells?
Hi folks,
I'm new to the Mac (yeah!) and imagine there just has to be a way to import a bunch of images into separate cells in Mac "Numbers" ... am I right?
Essentially what I'd like to do is a file folder with 600 images in it, and import those directly into Mac Numbers with one picture being assigned to it's own cell. So if below were a spreadsheet it would look like this:
Actual Picture - Picture Name - Item Description ... and so on.
I'm trying to work with inventory items, and this is the only way I can think of doing it. Suggestions!?!?
Here is a link to creating a macro in Excel to do a similar thing:
http://en.kioskea.net/forum/affich-269046-adding-a-loop-to-macro-to-insert-pictu res
Thanks for your help.
DD,
I guess you're taking another shot at getting a response. You risk getting parallel discussions going with the same content.
What you are contemplating seems logical enough, but I think you will find that it is impractical in Numbers. Given the size of photograph files these days, you will choke Numbers in short order. You will have to be careful that you embed only photos large enough to be of use/viewable, and keep your full-sized copies elsewhere. You might find that an Apple Script can do the import for you, but otherwise it's drag and drop from the Media Browser.
Jerry
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