Is there an easy way to get the byte length of a string in AS3? String.length works in many cases, but breaks if it encounters mulibyte unicode characters.(in this particular case, I need to know this so I can preface messages sent across a TCP socket with the message length. This is in standard netstring format e.g. "length:message,").
View 1 RepliesI tried on Flex 3, facing issue with uploading JPG/PNG image, trace readUTFBytes would return correct bytes length but tmpFileContent is trucated, it would only appear to have upload just 3 characters of data to the server through PHP script which made image unusable.I have no issue for non-images format. What is wrong here?
View 3 RepliesI'm trying to serialize and deserialize a byte array to a string using Base64 for as3.
Here is my code
public function Serialize(vector:Vector.<Action>):String
{
var bytes:ByteArray = new ByteArray();
var serialized:String = "";
[Code].....
is the error I get after calling deserializedObj = deserialized.readObject(); Should I be get that error if I'm just trying to put this into an object? I'm not trying to put it into an action class object yet, but if it is then the action it's getting doesn't have parameters that were originally inside.
I am working on my open source project Downloadify, and up until now it simply handles returning Strings in response to ExternalInterface.call commands.
I am trying to put together a test case using JSZip and Downloadify together, the end result being that a Zip file is created dynamically in the browser, then saved to the disk using FileReference.save. However, this is my problem:
The JSZip library can return either a base64 encoded string of the Zip, or the raw byte string. The problem is, if I return that byte string in response to the ExternalInterface.call command, I get this error:
Error #1085: The element type "string" must be terminated by the matching end-tag "</string>"
ActionScript 3:
var theData:* = ExternalInterface.call('Downloadify.getTextForSave',queue_name);
Where queue_name is just a string used to identify the correct instance in JS.
JavaScript:
var zip = new JSZip();
zip.add("test.txt", "Hello world!
");
var content = zip.generate(true);
return content;
If I instead return a normal string instead of the byte string, the call works correctly.I would like to avoid using base64 as I would have to include a base64 decoder in my swf which will increase its size.
Finally: I am not looking for a AS3 Zip generator. It is imperative to my project to have that part run in JavaScript
How do I split a string by char 0 / byte 0 / 0x00 / u0000 in flash actionscript 3
View 1 RepliesI am trying to find out what the max length is for a string because since as3 doesnt provide any methods for removing characters from a string by changing the initial string itself, i am going to have to stick to re-initializing.I did a little test to see how long it would take for my program to break using the following code:
Actionscript Code:
+[code]..............
The program crashed at a string length of about 500 million.
EDIT:however before it crashed,it performed the incrementations with reasonable performance.
EDIT EDIT: which is strange since my ram still had over 2 gig the program didnt use
I am working on the following code and I keep getting a cut off at around the 'C' of Dave's computer.I know this is going to be a simple answer but I for the life of me cannot figure out HOW to extend the string visual field. I am pretty sure the secret lies in the variable len.
Code:
import flash.text.TextField;
import flash.events.Event;
var txtFld:TextField = new TextField();
[code]....
I'm populating a dropDownList with arrayCollection of strings. I want the width of the drop down list control to match with the size (in pixels) of the longest string in the array collection. The problem I'm facing is: the font width of the strings in the collection are different e.g. 'W' looks wider than 'l'. So I estimated the width of a character to be 8 pixels but that's not pretty neat. If a string that has many 'W' and 'M' is encountered the estimation is wrong. So I want precise pixel width of strings. How can i get the exact length of a string in pixels??
My solution that estimates all character to be 8 pixels wide is given below:
public function populateDropDownList():void{
var array:Array = new Array("o","two","three four five six seven eight wwww");
var sampleArrayCollection:ArrayCollection = new ArrayCollection(array);
[Code].....
Is there an actionscript function I can use to pad a string to a certain length with a certain character?
Example: I have a number lets say 274 and I want to make sure that number is at least 6 characters long...with any open space receiving the character 'W'. So I'd call the pad function and my final number would look like this: WWW274
I can obtain the number of characters in a string using the 'length' action script command. However, I need to know the pixel width of this 'length'?
View 1 RepliesI have a string provided to my flash file that I need to break into a max of 3 sentences(strings).
I have written some actionscript to break it up by set lengths, but I also need it to not break words up.
To test you can place the following code in a blank as2 file.
Code:
var personalMessage:String = "You got this far so we reckon that you could be curious enough to learn a little more, we�ll contact you shortly to answer any questions you may have.";
_root.myArray = new Array();
_root.myArray = personalMessage.split("");
[Code].....
I have a string whose length may vary but will always be divisible by 3 and want to push every three characters to an array.
e.g.
var myString = "000111000111";
//magic code converts
[code]......
I'd like to know a way to measure the real length of a text string in pixels. The problem is that every character has a different width.The length property informs us of how many characters does the string have...but how do we measure the pixels (x space) in a precise way?
View 2 Repliesjust a simple example:
var a = new Array()
a["apple"] = "red"
a["orange"] = "orange"
a["banana"] = "yellow"
trace(a.length) //returns 0
get it work?
I am looking at "length" property in the Adobe AS3.0 language ref as I do not understand it. It says: An integer specifying the number of characters in the specified String object. (I understand this). Because all string indexes are zero-based, the index of the last character for any string x is x. length - 1. (I do not understand the "- 1". I understand that all string indexes are zero-based but I cant put this together with the last character for any string being -1 or whatever it is saying.
View 7 RepliesI'd like to know a way to measure the real length of a text string in pixels. The problem is that every character has a different width. The length property informs us of how many characters does the string have...but how do we measure the pixels (x space) in a precise way?
View 2 RepliesI'm trying to do a test on the length of a string and then call a function depending on the result. This is the pertinent excerpt from the fla file:
Code:
_loc4._comment = candles[_loc3].comment;
// I want to find out the length of _comment and call differently depending
_loc4.onRollOver = function () {
if (_loc4._comment.length > 0 && _loc4._comment.length < 60) {
show_comment(this._comment, this._x + this._parent._x, this._parent._parent._y - 50);
} else {
show_comment(this._comment, this._x + this._parent._x, this._parent._parent._y - 100);
}};
Basically I want to check the length (in characters) of _loc4.comment and if its under 60 call with an offset of 50 and if its not call with an offset of 100.
I am trying to assign a number to a variable that is dynically generated from a binded array...when i try and assign it and trace it out nothing happens, which means I am obviously doing something wrong but I am not sure? just for fun i decided to bind the data to a label like so...
[Code]...
Okay what I after is how to detect the length of the string populated from array...then auto rescale the height of the title_mc as shown in my AS as well as the dynamic created textfield ..so the textfield will display long string + "newline" for long string...(autowrapper)..
[Code]...
Invalid byte 1 of 1-byte UTF-8 sequencemy error is the above line.am using am calling java method using Blaze DS.
View 3 Repliesi made a function for replacing a text letter by letter. You've probably seen this effect of putting in place of a text a random one, with the length of the new text and then replacing the random text, letter by letter with the new one. It worked fine but I had to do some adjustments, because I needed to vertically align the text to the bottom, and I had the newline character in the text which gave me some issues with the aligning. Since I did this adjustments, string.length returns undefined even if trace(string) shows the correct text in the output window. On the other hand length(string) gives me the right answer. I also use the charAt function which also returns undefined, even if the trace function shows the correct text.
View 7 Repliesconvert pdf file into byte array.and also i tried in Google also but no results yet.can u prefer how to convert pdf file into byte array and retrieve byte array into pdf file in flex application.
View 1 RepliesLet's say I have array foo and a positive integer y, where foo.length > y.I want to remove elements from foo so that foo.length becomes y (or very close to it).Also, I need to preserve the first and last element of foo. The indices of the removed elements must be spaced apart as equally as possible. Foo can be sliced, or it can be used to create a new array.
Example: if foo = [a,b,c,d,e,f,g,1,2,3,4,5] and y = 6, then trimmedfoo could be [a,c,e,g,2,4,5] or maybe [a,c,e,2,4,5], but not [a,c,e,g,2,4] because the last element of foo is missing.
how to do this
function foo(x:*, ...args):* {
}
function bar(x:*, ...args):* {[code].....
how to expand args ? when I call bar(1,2,3), I wish it call foo(1,2,3), but it call foo(1,[2,3])
Created Vector with the initial length of 100.
var v:Vector. = new Vector.(100);
v[90] = "Ninety"
v[190] ="oneninety" //RangeError: Error #1125: The index 110 is out of range 100.
//How to change the length from 100 to 200 to store a value at index 190
Is there any way to determine if a (anonymous) function has defined the ...(rest) parameter in ActionScript 3? I know there's the function.length property, but it only counts the explicitly defined arguments.
View 2 RepliesI am trying to get the length of arrays within an array, here is my example (MX 2004):
[Code]...
I get an output of of 3. the number of variables within the first array, this is not what I had expedted.
do anyone know how to script the dynamic text length to the amount of text in the text file instead of manually drag it to the length?
Code:
myLoadVars_lv = new LoadVars();
myLoadVars_lv.onLoad = function(success) {
[code].....
I am trying to use the class Sound of actionscript.My code is really basic :
var snd:Sound = new Sound();
snd.load(new URLRequest("mysound.mp3"));
trace( new String(snd.length));
snd.play();
The audio is playing very well but in my trace, I get 0 instead of the length in milliseconds of the Sound.
Currently writing my own AMF TcpSocketServer. Everything works good so far i can send and recieve objects and i use some serialization/deserialization code. Now i started working on the encryption code and i am not so familiar with this stuff.I work with bytes , is DES-CBC a good way to encrypt this stuff? Or are there other more performant/secure ways to send my data? Note that performance is a must :). When i call: ReadAmf3Object with the decrypter specified i get an: InvalidOperationException thrown by my ReadAmf3Object function when i read out the first byte the Amf3TypeCode isn't specified ( they range from 0 to 16 i believe (Bool, String, Int, DateTime, etc) ).I got Typecodes varying from 97 to 254?I think it has something to do with the encryption part. Since the deserializer works fine w/o the encryption. I am using the right padding/mode/key?
I used: http:[url].... as as3 encryption/decryption library. And i wrote an Async tcp server with some abuse of the threadpool ;)Anyway here some code:
C# crypter initalization code
System.Security.Cryptography.DESCryptoServiceProvider crypter = new DESCryptoServiceProvider();[code]........