alpha

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Erase a subview

If I want to erase a subview, is it done w开发者_JAVA技巧hen I put mysubview.alpha = 0;? Or do I have to do anything else?[详细]

2023-03-03 00:20 分类：问答
Action Script 3: Alpha Change on Mouse Rollover

Trying to make it so my text appears when I roll over the image: gticar.addEventListener( MouseEvent.ROLL_OVER, roll );[详细]

2023-03-01 15:59 分类：问答
iPhone - Create a semi transparent rectangle with opaque text

I have a MapView an开发者_Python百科d I want to display a black semi transparent rectangle on top with a text inside. Not over the entire map only on section of it (maybe on the top corner) just as an[详细]

2023-03-01 08:57 分类：问答
How to blend alpha values?

In Java\'s AWT, alpha (opacity) is expressed using values from 0 (completely transparent) to 255 (completely opaque). How do I correctly blend alpha values, e.g. t开发者_StackOverflowo implement a fad[详细]

2023-03-01 03:49 分类：问答
R: The Alphas! They Do Nothing!

Seriously though, I\'m using ggplot2 and I believe I\'ve tried sticking an alpha = .5 in every conceivable place to no effect whatsoever.[详细]

2023-02-28 14:04 分类：问答
Draw line opacity in Xcode for Titanium

I\'m new with xCode and I have a problem with it. I\'m making an application for my Ipad. I want to highlight text, but I can\'t set the opacity of my line. I searched the internet, but i didn\'t find[详细]

2023-02-26 06:31 分类：问答
our fade animation freezes button & slider controls

I have a simple photo transition on an iPad program that precludes operator interaction during the transition.The 2 photos are approx 200kb each and the fade is by changing their alphas with the follo[详细]

2023-02-26 05:58 分类：问答
canvas.drawBitmap() only honors alpha layer when it is 0

I am loading png resources with BitmapFactory.decodeResource and then drawing them on a Canvas using drawBitmap().[详细]

2023-02-25 09:42 分类：问答
Why is this JavaScript regular expression not working?

For some reason this is not working, yet all my searches say it should work. I have a开发者_如何学运维n id on an element where I am trying to increment the value by 1.[详细]

2023-02-24 04:41 分类：问答
set alpha background image iphone application in xcode

I got this: self.vie开发者_如何学Pythonw.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@\"bg.png\" ]];[详细]

2023-02-23 11:05 分类：问答