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draw it and use an image tag?
or do you mean 3d?
search:
Google canvas
flash
silverlight (Microsoft)
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Good idea,
I installed Silverlight2 and it looks like it is very easy to handle graphics on it.
The canvas was exactly what I am looking for.
Frank
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Hi....
I got a requirement its like this....
I open any document say MS word document and if i give print command from file menu it should not display print dialog box, but one user interface say one form where user can enter his username and password. if user is valid he will be allowed to print the document by clicking print button in our webform/winform....
I am bit confused and dont understand how to start with.
It's not an issue which way i go for.. i.e windows application or web application...
Please help me out, as i may loose my job if i don't get the solution.
Awaiting...
Hemant
By:
Hemant Thaker
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Hi,
I am trying to figure out what tools I need to update a personal project.
The webpage is essentially a collage of small clickable images, that bring up information and a simple interface
The problem I have is no version of the web page uses more than 40-50 of these images but I need to keep a library of about 1000 of them. At the moment, I have them arranged in folders on the server, which is mssively space-inefficient, since each one is only 150-250 bytes long.
I want to improve my storange system.
Is there a way to extract an image (current version uses gifs because many images use transparency) from a server-side archive like a .zip file and hand them off to javascript for placement?
Is there a way to serialize the gifs, embed them in the page, then deserialize them and hand them off to javascript?
I figure I have some learning ahead of me. I'm looking for help in pointing in the right direction. I've been searching the web and just getting info overload.
Thanks in advance to all who answer.
Methane Martini,
Shaken, not stirred
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You can optimize the images using fireworks, photoshop or similar programs. but if they really are the size you say they are - you shouldn't need to worry about that.
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My problem is that each of my 150-250 byte files are taking up 32K. I can zip up my page resources into a MB or two but I take up 50-60MB on server.
Methane Martini,
Shaken, not stirred
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You are still going to run into problems because even if you zip them - you will need space on the server to unzip them using server-side code. As far as i know, JavaScript has no access to the local machine therefore you couldn't even use the temporary files on a users machine to unzip in. My suggestion, get a bigger server - if your host really is costing you so much that you are running into problems (over such a little amount of disk space) I suggest looking around for another host. Hosting is cheap as chips now and transferring host could well be worth while. 60MB is peanuts even on the cheapest packages nowadays. Most hosts give 1GB as a minimum package.
Good hosts:
1and1
uk2
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i wanna ask a question regarding this random image link/sequential image link display issue..i have write out the code and it works, but the problem for me is i dunno how to make the image stop when mouseover the image display..
these are my code, you can test it with ur html and put 3 images with the name specified below....
var interval = 5; // delay between rotating images (in seconds)
var random_display = 0; // 0 = no, 1 = yes
interval *= 1000;
var image_index = 0;
var image1 = new imageItem("fheader18.png", "http://imdavidlee.com");
var image2 = new imageItem("fheader19.png", "http://limpek.com");
var image3 = new imageItem("davidlogo.jpg", "http://codebasic.net");
image_list = new Array();
image_list[image_index++] = image1;
image_list[image_index++] = image2;
image_list[image_index++] = image3;
var number_of_image = image_list.length;
function imageItem(image_location, link) {
this.image_item = new Image();
this.image_item.src = image_location;
this.image_item.link = link;
}
function stopImage() {
setTimeout("rotateImage()", NULL);
}
function getNextImage() {
if (random_display) {
image_index = Math.floor(Math.random() * image_list.length);
}
else {
image_index = (image_index+1) % number_of_image;
}
var new_image = image_list[image_index];
return(new_image);
}
function rotateImage(rImage, link) {
var new_image = getNextImage();
document.getElementById('rImage').src = new_image.image_item.src;
document.getElementById('rLink').href = new_image.image_item.link;
setTimeout("rotateImage()", interval);
}
http://codebasic.net
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you could use onmouseover and onmouseout to assign a value to a variable ie.
<img onmouseover="stopplaying()" onmouseout="startplaying()" />
<script>
var isstopped=0;
function stopplaying(){
isstopped=1;
}
function startplaying(){
isstopped=0;
}
function rotateImage(rImage, link) {
var new_image = getNextImage();
if(isstopped == 1){
document.getElementById('rImage').src = new_image.image_item.src;
document.getElementById('rLink').href = new_image.image_item.link;
setTimeout("rotateImage()", interval);
}
.....
}
</script>
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I'm putting together a small site for a photographer, and she would like a menu/thumbnail set of photo categories inside of a photo-film style border. I'm very new to the graphics etc. side of these things, so, any advice on my course of work will be appreciated. My first option is to use a background image for each table cell, centering the cell in the image, so only the image borders are visible, giving the appearance of images with film-style borders. This is not efficient, but there aren't many images in the table, so simplicity may win here. My next option is to extract component images and build only the vertical and horizontal parts of the film-style border that are visible around the images. Are there any other options?
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Yes, use one outer div with a set width & a background image that is your film with repeat style set to repeat-y (vertically). Set the internal padding and give the thumbnail images a bottom margin correctly then you can add an unlimited amount of pictures to it. Then whenever you add an image, all you will need to do is make sure they are the right size. No farting around with adding film borders.
This would take longer to set up but is easier to manage afterwards. So, it really does depend how much you are planning to use it.
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Hi, I'm trying to use JavaScript to log key strokes into a log.txt file, or something similar to that. Can anyone steer me in the right direction?
Thanks
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you can not write to client machine using javascript. You can use other technologies such as ActiveX to write to client machines, but they need explicit permission of the user.
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Nikyoro wrote: I'm trying to use JavaScript to log key strokes into a log.txt file
where you want to save the log i.e. on server or client machine.
If client machine, then you need to use ActivX and need client permissions(As Yusuf said)
If server, then use the AJAX to send request and save the strokes in the file
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Hi,
You can use javascript _doPostBack function to forcefully postback and let code-behind do the writing part to the log file. But this may not be a best practice.
Either you love IT or leave IT...
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Hi,
What is the goal of having the alt property in the image tag? When I hover over the image in IE7 then the text displays, in Firefox it does not display. Why is this? And what is a replacement for it?
Regards
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the primamry purpose of alt is to show the text in case the image is not shown, or if image is not supported, such as text only browsers.
In IE, it used as tooltip as well, but that is IE's implementation and it is outside of the intended usage.
for more info see here[^]
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Thanks alot Yusuf 
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Another reason for it is so that people who are unable to see the image can mouseover it and recieve an audible description of the image. See "screen readers"
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Hi,
I am developing a donation website and I want to use paypal as the payment method, this is my first time to use paypal as a receiver, so I have a few technical questions:
1. How can I automatically accept payments?
2. How can I programmatically detect that someone has paid "some amount"?
3. I want the user to provide some information with his payment, such as Name, Gender, Country so how can this be done and how can it be linked to the payment??
any help please?
Thanks alot!
And ever has it been that love knows not its own depth until the hour of separation
Mohammad Gdeisat
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see if there is any thing on paypal website to answer you question.
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Hi,
answer to your question:
1. You must have a member of paypal and your country must have a paypal unless you have a creadit card that accept paypal payment.
2. If you have a database that detect if someone pay you. But the quickest thing to know if someone paid you, logon to your account in paypal.
3. In your account at paypal.
Hope this one can help.
Thanks
Hi, Please select Good Question if my answer are fit to your Question.
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1) You can make buttons in the "merchant" area of the paypal website.
2) You can use ipn and pdt. This is quite a big task so set aside some time - there are free scripts which you can find on paypal & google to help you. Involves using basic sockets.
3) ONce again you can use ipn &/or pdt. Alternatively you can make all the forms on your site and POST the info to Paypal.
IPN = Instant Payment Notification
PDT = Payment Data Transfer
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I have html which contain iframe in it.
I have a button in my html which will call javascript(ajax) function and I will get server response from php script.
Normally if I want to display it in my main html, I can use:
var spantag=document.getElementById("displayCamera");
spantag.innerHTML=xhr.responseText;
How can I display the result into other html file/my iframe(let say I have span id in html of the iframe).
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try window.iframeID.spanID
where iframeID is the id of your iframe and spanID is the id of your span.
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