ActionScript 3.0 :: Alpha Transparency Not Working On PNGs?
Jun 17, 2011
I'm currently constructing a scrollbar as part of a website using as3 and png images. I've got loaders for each image inside of an array, and when loading on each image finishes, it's added as a child to a sprite on the stage. I've got a background image with no transparency, which loads fine. On top of that, I've got the actual slider, which loads the RGB data, and appears to be using the alpha as a 1-bit mask. So anywhere that I have partial transparency, it just shows up as black, where it should be showing the background underneath. I can't find any attribute that will change the way loaded images process alpha transparency.
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Dec 2, 2010
I am trying to print a movieclip with printjob in flash. This movieclip contains two layers: one with a PNG image with transparency and one below with a jpg image. The problem is that the transparency of the png is not respected so the jpg image does not appear. The code i'm using is real simple: var my_pj:PrintJob = new PrintJob();
[Code]...
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Mar 9, 2010
I'm an actionscript dude - I'm working on a papervision game.
I have an asset of which is 127 pngs in a sequence for an animation.
I can happily project this onto my papervision plane. Problem is, there is no transparency. I Can't use a BitmapFileMaterial as I have many pngs -
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Apr 6, 2010
After whittling down of the options we've encountered a problem with PNG's and ActionScript 3 (AS3).
When loading a PNG 8 or PNG 32 with alpha transparancy we're getting the following error reported in Flash:-
"Error #2124: Loaded file is an unknown type" Now, we're dealing with some legacy images, and it appears as though this problem isn't universal - some images believed to be 32bit alpha PNG are loading. BUT, some conclusions:-
converting one image that was 32 bit alpha (NOT WORKING IN AS3) to PNG 8 index transparency DID work.
And converting that same image to PNG 8 alpha DID NOT work.
[Code]...
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Sep 14, 2009
I'm using AS2 with Flash CS4. How can I change the alpha of a ComboBox? I tried:
MyCombo._alpha = 25;
// and
MyCombo.alpha = 25;
But both have no effect on my ComboBox, it just appears to have the alpha set to 100.
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Aug 28, 2009
I haven't worked with AS3 for a few months, and even when I did I never took the time to learn it to extensively ..
I'm creating an isometric map editor, the bitmap that I'm using to take the tiles from has a transparent background, but when I draw the tiles to the main bitmap it displays as white, so it messes up the overlapping (since they're isometric).. How can I make the background of it transparent?
[Code]...
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Nov 11, 2009
I have a movieclip and I am loading on it an external swf. The mc is just a square box basically...it is set to 69% alpha/transparent in the "Color effect: style: alpha" settings.The problem is, when I load the swf now the swf is also transparent (seems like 69%)...I basically want the mc to be transparent, but the swfs that load w/in it should not be transparent.
example code:
mc.createEmptyMovieClip("newClip", this.getNextHighestDepth());
mc.newClip.loadMovie("some.swf");
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Oct 25, 2011
I have a .PNG image with almost 50% of the image as transparent pixels.I am using this image for a Mouse_Over event but the problem is the Mouse_Over event works even on the transparent area.
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Sep 10, 2011
I have a game and the user clicks on a button (a_btn), they are brought to frame 2 and they have to answer a question. If they get the question correct the alpha transparency of the a_btn is set to zero.
What I would like to be able to do is see if a number of buttons have zero alpha transparency then the user gets a complete message. This is what I have so far:
ActionScript Code:
if (c_btn.alpha=0 && h_btn.alpha=0){
infoComplete.text = "WELL DONE, GAME COMPLETE";
}
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Jan 9, 2010
mc1.mask = mc2
mc2 is a movie clip that is 50% alpha. How can I mask mc1 and keep the alpha transparency? That's about it.
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Jun 14, 2010
I have embedded a font type in my application. Its working fine inside a text area. Now i need to add 60% transparency to it. In fact I need multiple transparency levels. Like -
60 % transparency for TextARea
70% for WindowShade Header etc.
How do I add alpha values to it?
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Sep 21, 2010
What is the best way to create a video with an alpha channel, suitable for flex/flash? Does it need to be FLV, or can it be MP4/MOV as well?
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Jun 14, 2010
I have embedded a font type in my application. Its working fine inside a text area. Now i need to add 60% transparency to it. In fact I need multiple transparency levels.
-60 % transparency for TextARea
-70% for WindowShade Header etc.
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Mar 7, 2005
how to create the proper Actionscript code that will control the Alpha Transparency of a MC I want as a preloader. I want the MC to start of at 100% alpha-transparency, and then decrease to 0% alpha-transparency when the whole Scene is loaded. Also, it should show the precentage of the Scene loaded. I have the code that I thought would work to control the alpha transparency of the mc and loading it. But, I get confused with the perloader code to incorporate into the alpha transparency code? Does this make sense; is it possible?In Leaman's Terms, As the scene loads, the mc goes from invisible to visible at completion of the scene load.
Here is the code:
Code:
onClipEvent (enterFrame) {
loading = _parent.getBytesLoaded();
total = _parent.getBytesTotal();
[code]....
Now, I have no idea if and where you'd include the poper code to control the mc's alpha transparency based on the percentage of the scene loaded? Can someome maybe rework the code to make this work. And use a working example, that way I see it working to fully understand the concept? The mc's instance name is "sm_logo". Where would I use the instance name in this code, or better yet the proper code alltogether?
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Jun 27, 2010
how to grab the transparency (or alpha value) of individual pixels in an embedded or loaded video? We tried copying over a frame of video into a bitmapdata object with transparency enabled. However, even though we can "see through" the video at certain spots (indicating alpha = 0 there), the alpha value comes back as 0xFF for every single pixel in the BitmapData object.Obviously alpha data is being stored inside the embedded video, but how can I actually get that value?
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Feb 16, 2010
flash mask working - transparency (wmode) is not
[Code].....
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May 28, 2009
I created a symbol (Movie Clip) for my library, and I can manipulate all of its properties except for one—alpha. Here is a sample of the code:
var range:Range = new Range(); // Range is the symbol in my library, and has been exported for ActionScript
range.alpha = .1; // Doesn't seem to work as the symbol is still at 100% opacity.
_buffer.draw(range, range.transform.matrix); // This is where I draw the symbol to the buffer
Everything draws fine, but it is as if the alpha property is not working.
P.S. - If anyone knows, should I use a Graphic for my symbol instead of a Movie Clip if I only have one frame?
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Aug 19, 2009
I've tried to make an alpha mask using a photo and a mask containing a alpha gradient. Using this code:
ActionScript Code:
maskee.cacheAsBitmap = true;
maskMC.cacheAsBitmap = true;
maskee.setMask("maskMC");
But it's not working? The 'blob' mask in the center should motion tween bigger. I can see the alpha mask in action, but the motion tween doesn't do anything. The image is freezing.
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Aug 12, 2009
I have a basic alpha motion fade which works using my flashplayer but not in flash players less than version 10 (no fade is present its just instantly there). If I change the player I am developing for in my movie settings the fade just does not work.
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Jan 5, 2011
If I have this line of code:
var myTween:Tween = new Tween(contHolderMain, "alpha", None.easeNone, 0, 100, 100, true);
contHolderMain's alph value should move from 0 to 100 in 100 seconds, but it only take about 5.
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Jan 17, 2012
I have something odd happening when I update a FlxSprite's alpha repeatedly to make it fade out. Instead of taking 150 seconds to fade out completely (I actually want 15 seconds), it fades out over maybe 2 seconds. I tried tracing the actual alpha value, and the sprite is invisible when the alpha value is around 0.95 (95% opacity, ie slightly transparent). how I can get the alpha to work properly in Flixel?
[Code]....
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Jun 29, 2009
I'm wanting to create a simple red flash effect which entails a red flash suddenly appearing and fading away on screen.
I'm currently doing this by creating a red box as big as the screen and made it a movieclip. I'm then decrementing this movieclips alpha value from 100 to 0 but ofcourse, it's not as simple as that.
It seems that any alpha value greater than 0 makes the object have 100% alpha. So what's going on? How should I do it?
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Nov 13, 2010
var myTween:Tween = new Tween(object, 'alpha', None.easeNone, 0, 100, 10, true)
myTween.start();
when I do this, the object flickers sometimes and also seems to go faster than the specified 10 seconds sometimes. Also when I noticed this is when I've been getting a weird error: Error opening URL [URL]
(I omitted some of the link in order to post)
This is the first time I have encountered weird problems like this. My mind is a little confused (a lot I mean).
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Oct 23, 2008
I understand from reading various forums that if you do not embed the font in to the movie the dynamic field
won't fade with alpha. But when I try to enbed the font or setting embedFonts = true the text just disappears.
I have the text now with a tween just to show that the tween is working while the alpha is not.
This is the link to the SWF:
[Code]...
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Sep 25, 2008
I have generated several TextFields dynamically through a for loop. I would like all the text fields to have their alpha set to 0 so that each field can eventually fade in.
When I apply the alpha property by setting it to 0, or even .5 the text appears to still be at an alpha of 1. Does anyone know how to make the text appear with a low to 0 alpha?
I have attached the code from the function which runs the for loop to generate the text fields. Please not that the value of the text fields are stored in a global array, and the text format objects are also global and are declared in the main body of the class.
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Jan 12, 2011
i have a problem with my as3 working on normal movieclips, but not on the gallery, the site works by loading an external swf file with the UILoader, the swf that is loaded is a ScrollPane that loads a Movieclip.The script i use:
import fl.transitions.Tween;import fl.transitions.easing.*;
var myTweenAlphaRoskilde:Tween = new Tween(roskildemc, "alpha", None.easeNone, 0, 1, 40, false);
1. frame is the preloader
2. frame is the Scrollpane and Movieclip that loads, the action is added here.
The file if it makes it easier:
[Link removed by moderator at OP's request]
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Apr 15, 2008
I have a class file that contains a for in loop. basically there are 50 states (movieclips) on the stage and here is what I have:
[Code]...
I don't think I understand enough about arrays or for in loops to understand why this isn't working... it traces the array, but not statesArray[states], and it doesn't change the alpha of anything.
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Mar 20, 2010
How can i change movie clips apha property slowly one by one in for each loop? I can't undestand what's wrong((( From XML data i create for each loop, where my MC creates. But i can't chang their alpha property slowly. When i'm trying
Code:
mc.addEventListener(Event.ENTER_FRAME, alphaShow)
function alphaShow(e:Event):void{
e.target.alpha += mcAlphaPlus;
[code]....
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Jan 21, 2009
I have a problem that is stopping my mc.play() stopping when I try to set the .alpha property of an object. I have attached the code and have rem // out the alpha lines. can send you the fla to see the problem occuring.
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Nov 20, 2009
I have 3 mc's that I have placed a tween on that fades them from 0% - 100% Alpha (simple fade-in effect). The animations are fine if I test the movie within Flash. However, after publishing, I lose all those tweens in my swf, and all I see are abrupt changes from 0% - 100% alpha. What could I be doing wrong?
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