Jun 7, 2015 · I would like to know what PorterDuff.Mode means in android graphics. I know that it is a transfer mode. I also know, that it has attributes such as DST_IN, Multiply etc.

Duff's device deals with serial copying, rather than just any old problem, but is a classic example of how optimisations can be made by reducing the number of times that a comparison needs to be done in a …

Jan 20, 2017 · Duff's device In computer science, Duff's device is an optimized implementation of a serial copy that uses a technique widely applied in assembly language for loop unwinding.

Jan 12, 2012 · Please, please don't use Duff's device. A thousand maintenance programmers will thank you. I used to work for a training company where someone thought it funny to introduce the device in …

Apr 21, 2016 · I'm trying to create the following design in my app. Design Mockup Its an overlay on top of the main UI. Trying to create this using a layout on top of the main UI with its background as a …

Jun 22, 2012 · It felt right to me, and Porter and Duff worked in 0 - 1 float values in their original paper. (I'm encountering trouble with some of the compositing modes, which produce wildly different results …

I get this eslint related error: Parsing error: Unexpected token Here is my eslint config: { "extends": "airbnb", "rules": { /* JSX */ ...

Feb 23, 2012 · The easiest way to understand Duff's device is to separate its two logical components, the switch and the do/while loop, from each other. Here is a logically equivalent implementation, …

Nov 1, 2010 · In all seriousness, I'd suggest looking into separate compilation of just that bit with -funroll-loops before using Duff's Device: it's a beautiful thing to study, but an ugly thing to have in your code.

Aug 23, 2011 · @Alice Duff I find your present code heavy: you don't need to define objects fullpath and filename_split and filename_zero and fileext: it spoils the readability