Flash :: Flex - What Are The Advantages And Disadvantages Over The Bitmap And MovieClip
Apr 6, 2010What are the Advantages and Disadvantages over the Bitmap and MovieClip in Flash.
View 1 RepliesWhat are the Advantages and Disadvantages over the Bitmap and MovieClip in Flash.
View 1 RepliesWhat are the advantages and disadvantages of having just one main loop and having a main class control individual objects on your stage, in oppose to having each individual object have its own loop and giving it the responsibilities of doing what ever it has to do on its own. What are consider best practices.
View 3 RepliesI'm tasked with writing an application for placing and connecting objects (sort of like a room planner where you can place furniture). i've made a demo using Flash Builder 4 and built it for AIR as a desktop app. Now the client wants the full app, but they and I am unsure whether to continue building it as an AIR app or transform it to a web application using Flex. I tried making a simple conversion of the AIR app to a web app, and most things worked but not all. The things that don't work seem to be simple bugs, though, not complete lack of capability.The capabilities that I'm going to need (except for the modelling) are: Printing of the finished image + a list of the furniture that has been placed
A way to save and retrieve finished plans
A way to export the list of furniture to Excel format
Handling a whole slew of data about the different objects
Only the printing has been implemented so far, and seems to work in the web app as well.What advantages/disadvantages are there with the two approaches? Are any of the capabilities I need much worse (or even impossible) to implement in either approach?
Disadvantages
Requires Flash 10 (for saving files)
Requires a web server to serve content
Sligthly longer development time (from where I am right now)
Requires an internet connection to work
Lots of data transport, may be slow on a slow network
Desktop AIR app
Advantages
Slightly faster development time (from where I am right now)
No web server necessary
Can be used while not connected to the internet
All data is local and faster to load
Disadvantages
Requires the Adobe AIR runtime + a separate installation of the program
Updates need to be distributed to all users and an admin needs to install them
As it is said here: [URL] "If you do a Google search today for "MVVM and Flex", the first post is by somebody who claims that MVVM is not a good fit for Flex. I couldn't disagree more. Out of the box, the Flex framework makes it much easier to implement a Presentation Model than similar MVVM implementations in Silverlight. That is not to say that there aren't good third-party libraries that make it easier in Silverlight, but without any help, it is easier to do in Flex." So MVVM as LOGICAL CONCEPT can be implemented in both but the way it is implemented in Silverlight requires more Plumbing than Flex.
What prevents Silverlight MVVM to be implemented like Flex ? Doesn't Silverlight have same capability in event system to do the same? If yes why does Silverlight do things more complicated what's the advantages then ? Is it about using Class Interfaces which are more strongly typed? What are the disadvantages also ? For example as for implementing MULTIPLE VIEWS for 1 View-Model does Flex implementation make it also more obvious?
I want to know if there are any disadvantages/ drawbacks of using value objects in initializing an object, for example:[code]
View 2 RepliesWhat are some of the advantages in adding Spring into a Flex / AIR application? And When would you recommend using Spring?
View 2 RepliesI was reading these days about large projects implementation in python and Flex, and very often people praise the use of framework (like Cairngorm, PureMVC or others) over traditional OOP coding.
I think i dont really understand the advantage of using FW, which is the strong point over classic programming? how big should be the project in order to use FW? it is intended mainly for web-applications? or can be used for desktop apps as well?
they both seem to accomplish the same things with different syntax, whats the point of using two different technologies. highlight every possible benefit of using mxml. Also are there scenarios when one is more beneficial than the other and why. clarify this runtime behavior of mxml vs AS3 as discussed in Oreilly Flex 4 Cookbook page 1:
[Code]....
I had experiences using Mate and Parsley. But for now, I'm using none.For instance, I'm using observer and singleton patterns like following.
RegisterView.mxml implements IRegisterAction interface
function onBtnRegisterClick(){
var action:RegisterAction = new RegisterAction();[code].......
This is my interface IRegisterAction.as
function registerCallback(customer:Customer ):void;
My question is "What additional benefits I will get, if I use a particular framework ?".
I want to release my flash application not in release mode but in debug mode to see result of trace() after releasing the app.
I don't care that debug mode makes processing speed little slow.Except for processing speed, are there disadvantages to release flash application which was compiled in debug mode?Is it possible that the app throws exception or Flash Players of the app's users crash due to debug mode?
I am a professional video editor specializing in corporate video and occassionally TV commercials. We often post "review" videos in Flash format to our website for our clients to check progress, etc. These videos are usually around 3 minutes in length and occasionally reach 20 minutes Trt. We use Adobe Production Premium CS4 which includes Flash CS4. I usually export the videos at the included preset, "Web Large Widescreen". The playback is almost instantaneous on most DSL and T1 connections. I use the "Full Screen" option button and when the videos are viewed full screen, they look amazing.
Here is the issue: I have recently created a video for a client that contains text and is approx. 50 minutes in length. The video format is 4x3 and the client wants the transcoded Flash video to display at a 640x480 square pixel dimension. The video plays fine over most DSL connections. It chokes on T1. Question: Can streaming Flash video provide better quality and playability for longer duration Web videos? Could any of you direct me to a chart that compares streaming Flash with the "simulated" streaming typically exported from Premiere CS4's Media Encoder?
I've recently started making a game in FlexBuilder. The game is currently a Flex project. Is there any downside to using Flex as opposed to just Actionscript? A friend of a friend told me that Flex is slower than an Actionscript project. I've been unable to validate this on the internet; is there any truth to that claim?
View 6 RepliesIf I have a BitmapData that's already been drawn onto a Sprite. Is there a way to redraw the BitmapData onto a Sprites Graphics object without having to invoke beginBitmapFill and passing in the same BitmapData?
View 1 RepliesThis work:
var a:BitmapData = new BitmapData(640,480);
var b:Bitmap = new Bitmap(a);
a.draw(movieClip);
[Code].....
How can I draw in my Bitmap just the visible part of a MovieClip that uses mask?
I am developing a Paint Application is AS3. What I am trying is to basically mimick the MS Paint. I am using vector graphics to implement tools like pencil,line,curve and bitmap to implement bucket tool,spray and eraser. But I faced a problem. While its possible to draw bitmap over vector its not possible to draw vector over bitmap if every drawing is in the same layer.
So the idea that I have is to make it into two layers
Top layer where the vector drawing is done.
In the bottom layer layer after each vector drawing on MOUSE_UP a bitmap copy of the top layer is made and kept on the bottom layer. Keep the top layer fully transparent so that bottom layer is always visible.
Things like flood-fill(bucket tool), spray and eraser will be directly applied to bottom layer.
After each vector is drawn on MOUSE_UP the top layer will be cleared but everything will be visible because it has been re created in the bottom layer and the top layer is full transparent.
My questions are: Is there any flaw in my logic. How to make a bitmap copy of the movie clip on top. I tried but maybe I am stupid it does not work. The name of the MovieClips are topLayer_mc and bottomLayer_mc. What is need to have is to have a function to create a bitmap copy of topLayer_mc on every MOUSE_UP of pencil,line and add it to bottomLayer_mc. I mean create a bitmap copy of topLayer_mc on every MOUSE_UP of pencil, line and add it to bottomLayer_mc. A function will do.
But now the tracks are objects in an array, that will grow larger and larger (and slow down the game over time). How can I paint them on the level bitmap? And how to reload the bitmap when you restart?Have searched for an answer for days but have not found one.I know how to combine a bitmap and add it to the stage, but not how to replace it in the movie clip object:
var newLevel:BitmapData = new BitmapData(grassLevel.width, grassLevel.height);
var newDebree:BitmapData = new BitmapData(debree.width, debree.height);
newLevel.draw(grassLevel);
[code]......
This is my first question here :D, first sorry about my english. My question is basically how can i save a flash Movie Clip to FLV. The Movie Clip is generated by users and it has various sounds and animations and i need to save an FLV to send it to Youtbue. What have I tried: I found some question here about using an Alchemy Lib that I am using to grab the Movie Clip frame to frame and save it to Bitmap. The Alchemy Lib converts those frames to FLV like a charm and supports saving chunks of sound using ByteArray.
In this situation my Problem is, how can i grab the sound of Movie Clip to send it to Alchemy Lib? Iīve tried using:SoundMixer.computeSpectrum(sndData, false, 2); Witch returns me a byteArray in sndData variable but is useless since itīs used for render Audio Wave forms on screen. Thougth aboud using Sound.extract(); but i believe the sound class is used only for one MP3 sound and I need to grab the mixed sounds generated by Movie Clip.
[Code]...
I've got a code, which caches loaded resources (both images and swfs) and saves its bytes to flash SharedObject:
var cache:SharedObject = SharedObject.getLocal('dataCache');
cache.data[url] = (loader.contentLoaderInfo as LoaderInfo).bytes;
When there's a query to load new resource, the code checks if the resource is in cache and then loads its bytes:
var loader:FlexLoader = new FlexLoader();
// handlers skipped
var lc:LoaderContext = new LoaderContext();
lc.applicationDomain = new ApplicationDomain(ApplicationDomain.currentDomain);
[Code]......
I have a MovieClip inside a stage that is mostly(not accurately) centered to the middle of the stage.
When I try to save the MovieClip into a bitmap in order to upload it to facebook, I either get a cropped image or a white image(blank). Here is the code for generating the bitmap:
var source:BitmapData = new BitmapData(board.width, board.height);
source.draw(board);
var bitmap:Bitmap = new Bitmap(source);
The result I am getting is the yellow area in the following image:
[Code]...
So I'm Bitmaping some heavy stuff to try bring down the [pre-render] and [render] which is quite high according to FlashBuilder's profiling. I thought this was going well until I realised that as soon as you change a MovieClip to a Bitmap, you lose the pixel based accuracy of the mouse move events (Over, Out, Move...), all your left with is the entire bounding box of the Bitmap, something which is less than desirable. I've got a game where many Bitmapped assets would be on top of each other in a scene, on the stage, arranged in various ways and need to have that pixel accuracy moving between each one and have exhausted my efforts as to how to achieve the same mouse move results with the Bitmapped guys as normal.
This, [URL], is a FLA which shows this operation, and you can see how it works here, [URL]. When it loads up, both items on stage are drawn Shapes, encapsulated in MovieClips, both that get a glow, if you hover over them. If you click the stage at all, the purple guy gets turned into a Bitmap and now, his 'hit area', when it comes to MouseEvents is his whole bounding box and you can only get through to the back green item at the edge slivers.
I'm also tracing the pixel which the mouse is over, so I can clearly tell when the mouse is over a transparent area, it's 0, but how can I tell the event to forward itself on down the chain to the green MovieClip?
Below is how it's now pretty much working for me,
var bitmap:Bitmap = this['bitmap'];
var shouldMouseOver:Boolean = bitmap.bitmapData.getPixel(event.localX - bitmap.x, event.localY - bitmap.y);
if(shouldMouseOver)
[Code].....
I shut off mouseEnabled for my item, when I know it's wrong, then I search for another item that properly fits the bill and if there is one, send an Event to that and break. If that one's also wrong, it'll do the same again, but each time taking themselves out of the loop.
This does work exactly how I want it to, but I'd always prefer to keep things like globalToLocal and looping, and reading from arrays for not frequently updated methods like listeners to MOUSE_MOVE. Is there a more efficient way to do this?
I have a 50x50 fixed rectangle in the center of the stage. I am using this rectangle as a "hit area" to copy pixels of a bitmap that is draged by the user to line up an area of the image he/she would like to crop.I have preview of the hit area displayed while the bm is being dragged which works well. However, once the bitmap is scaled using the slider component the preview area no longer reflects what is in the hit area.
Code below:
function mouseDownHandler(e:MouseEvent):void
{
// Contraint #8 - Define drag bounds[code].....
I wonder what are the advantages of using document class?Is it just to make the execution of code faster or else? If you know the advantages of using document class please reply.
View 4 RepliesI generally use if statement for conditions. I would like to know the advantages of switch statement over if statement.
View 1 RepliesHow to copy something as a pastable bitmap in flash?
So I have simple mxml project - empty page with a panel on it.
I want to be able to select some region on my panel and copy it somehow as bitmap pastable to photoshop, word and other programms.[code]...
I have loaded a SWF which is created in Flash CS9 (AS3). I'm having problem passing Bitmap (or BitmapData) from the flex app to the loaded SWF.
Invoking of other functions in the loaded from Flex works, but when I try to pass a Bitmap to the loaded SWF, nothing happens. Here's a sample code:
[Code]...
I am trying to take images I am placing in a flex canvas component to a bitmap. I was able to get to the point where I'm not getting an error but then no image shows up and the image I save out as a jpg is blank. I imagine I'm not setting the bitmap data correctly but can't figure out what I am doing wrong.
Here is the code where I am converting it to a bitmap:
[Code]...
If I have a MovieClip, containing several MovieClips inside, how can I convert this scene to Bitmap, without converting every element individually?
View 2 RepliesI have created one button component using one Bitmap and one Label in it. Thing is that when user Clicks on on the button I want to changes button's Icon/Image and Label Text. I want to do this using FlashCS5 and ActionScript-3. I have tried following but it gives me runtime Error
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I am working on a project in which I am suppose to maintain an array of movieclips, and I can also convert the movieclips into bitmap data. so I would like to know which one is the best to use either maintaining movieclip array or bitmap data array .
View 4 RepliesUse the flash CS4 tool's on a bitmap image after tracing the bitmap image and applying my settings?
View 10 Replies