I need the absoulute fastest way possible to validate an input string against a given rule. In this case lest say Alpha only characters.
So I am experimenting with using icons in my CSS using base64 encoded pngs. I have used http://www.motobit.com/util/base64-decoder-encoder.asp to convert them. However, the pngs开发者_开发问答 only ha
Is it possible 开发者_JAVA技巧to change the transparency level of an IplImage (the alhpa channel)?I can do this using cvSet and setting all the values to a cvScalar, but that would change not only the
I am a moderately experienced C# developer, but I\'m new to XNA and graphics in general. I\'m making a 2D game and I\'m trying to draw a texture that partially transparent. The desired transparency va
Please look at the picture (sorry, new users can\'t insert an image directly into post). Lines ar开发者_开发技巧e drawn semi-transparent colors (alpha = 0.5).
Is there any alpha threshold in WPF? I use brush #01000000 and on some computers it is non-transparent in regard to mouse hit testing (clicking on surface with this brush), but on some other computers
I want t开发者_运维知识库o create a UIView that contains gradually increasing opacity value in it. That is, the UIView\'s bottom will start with 0.0 as its alpha value and it should end with 1.0 at th
I have an UIImage and I want to set its alpha at 0.00 after 3 s开发者_运维百科econds... In my UIImage there is a picture that I want to immediately see when I go in a view, but after 3 second it must
Following problem: I have two textures and I want to combine these two into a new texture. Thus, one texture is used as background, the other will be overlaid. The overlay texture is g开发者_如何学Cet
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