rgba

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Prototype scriptaculous background-color: RGBA color animations

Is something like this http://pioupioum.fr/sandbox/jquery-color/ for Prototype and scriptaculous? I want to periodical animate 开发者_如何学CRGBA for my website background to get something sexy and f[详细]

2023-04-11 15:30 分类：问答
How to set RGBA Color of a Pixel of an UIImage

I am looking for a possibility to set (change) the RGBA color of a Pixel of an UIImage for my Iphone Application. (I actually want to implement some f开发者_开发知识库loodfill stuff)[详细]

2023-04-07 03:51 分类：问答
How to convert 256 colors palettized RGBA image data to NSImage

I\'m a newbie 开发者_如何学JAVAdeveloper and I need your help with something that is probably trivial for you.[详细]

2023-04-03 00:36 分类：问答
rawvideo and rgb32 values passed to FFmpeg

I\'m converting a file to PNG format using this call: ffmpeg.exe -vframes 1 -vcodec rawvideo -f rawvideo -pix_fmt rgb32 -s <width>x<height> -i infile -f image2 -vcodec png out.png[详细]

2023-03-31 20:11 分类：问答
Color: rgba() workaround for Internet Explorer?

I\'ve bee开发者_运维百科n able to successfully use the following workaround method: background: rgb(42,42,42);[详细]

2023-03-29 00:53 分类：问答
What does a correct call to CGImageCreate look like if the data provider for it uses an array created by the app?

I\'m trying to create a bitmap in memory as part of a pattern function that a drawLayer:inContext: method (this method is part of the CALayer delegate protocol) will call. The pattern function looks s[详细]

2023-03-27 07:45 分类：问答
Is it possible to change only the alpha of a rgba background colour on hover?

I have a set of <a> tags with differing rgba background colours but the same alpha. Is it possible to write a single css style that will change only the opacity of the rgba attribute?[详细]

2023-03-26 01:01 分类：问答
RGBa in Internet Explorer

I know that IE does not support RGBa. I also know that you can use the follow methods: /* For IE 5.5 - 7*/[详细]

2023-03-25 08:25 分类：问答
How do I set the R, G, B and Alpha components of a color?

There are 3 integer values that makes up a RGB value, and also i have the Alpha component value of the color. how do i set these 4 values to get the desired col开发者_开发问答ourYou can create a Color[详细]

2023-03-21 16:01 分类：问答
Convert RGB to RGBA over white

I have a hex color, e.g. #F4F8FB (or rgb(244, 248, 251)) that I want converted into an as-transparent-as-possible rgba color (when displayed over white).Make sense?I\'m looking for an algorithm, or at[详细]

2023-03-20 08:08 分类：问答