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 …

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.

Feb 8, 2019 · Duff’s device and other tricks us old guys used to shave machine cycles off functions, interrupts , and overall code is still relevant when the code runs for cpu years.

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 10, 2021 · answered Mar 26, 2021 at 22:03 Krystian Kaniowski 2,497 2 20 37 android canvas android-jetpack-compose porter-duff

May 10, 2022 · android android-jetpack-compose porter-duff edited May 10, 2022 at 9:10 asked May 10, 2022 at 6:59 MJakhongir

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 …

Oct 16, 2016 · I've got a few images loaded up in my GridView, and I want to apply a reddish color to them using the screen mode of blending. In my adapter I've got this code: ImageView image = …

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 …

Jul 20, 2016 · Using the stock Sun 1.6 compiler and JRE/JIT, is it a good idea to use the sort of extensive unroll exemplified by Duff's Device to unroll a loop? Or does it end up as code obfuscation …