johndrobinson.com
Adjusting Image Brightness and Color Using the HTML5 Canvas API | Stormin' The Castle
http://www.johndrobinson.com/2013/10/06/color-matrix-filters-using-the-html5-canvas
Stormin' The Castle. A Software and Technology Blog by John Robinson. Adjusting Image Brightness and Color Using the HTML5 Canvas API. Posted by John Robinson. On October 6, 2013. Ever needed to adjust the brightness of an image? Or maybe you’d like to make an image feel warmer by increasing it’s red channel? As a followup to my earlier articles, “ How You Can Do Cool Image Effects Using HTML5 Canvas. 8221; and “ How You Can Build an HTML5 Photobooth App. R' = 0.393r 0.769g 0.189b 0. Var grayscaleMatrix ...
johndrobinson.com
Introduction to HTML5 Canvas | Stormin' The Castle
http://www.johndrobinson.com/2013/05/20/introduction-to-html5-canvas
Stormin' The Castle. A Software and Technology Blog by John Robinson. Introduction to HTML5 Canvas. Posted by John Robinson. On May 20, 2013. Maybe you’ve heard of the HTML 5 Canvas API, but don’t know what it’s good for…? Maybe you’ve heard that it’s the way to go if you want to code an HTML5 game? Or maybe you’ve heard that it gives you explicit control over drawing in your browser? So what does all that mean? 8230; Just what is the HTML5 Canvas API? Defining Paths with lines, curves, arcs and more.
thejohnrobinson.com
Adjusting Image Brightness and Color Using the HTML5 Canvas API | Stormin' The Castle
http://www.thejohnrobinson.com/2013/10/06/color-matrix-filters-using-the-html5-canvas
Stormin' The Castle. A Software and Technology Blog by John Robinson. Adjusting Image Brightness and Color Using the HTML5 Canvas API. Posted by John Robinson. On October 6, 2013. Ever needed to adjust the brightness of an image? Or maybe you’d like to make an image feel warmer by increasing it’s red channel? As a followup to my earlier articles, “ How You Can Do Cool Image Effects Using HTML5 Canvas. 8221; and “ How You Can Build an HTML5 Photobooth App. R' = 0.393r 0.769g 0.189b 0. Var grayscaleMatrix ...
thejohnrobinson.com
Introduction to HTML5 Canvas | Stormin' The Castle
http://www.thejohnrobinson.com/2013/05/20/introduction-to-html5-canvas
Stormin' The Castle. A Software and Technology Blog by John Robinson. Introduction to HTML5 Canvas. Posted by John Robinson. On May 20, 2013. Maybe you’ve heard of the HTML 5 Canvas API, but don’t know what it’s good for…? Maybe you’ve heard that it’s the way to go if you want to code an HTML5 game? Or maybe you’ve heard that it gives you explicit control over drawing in your browser? So what does all that mean? 8230; Just what is the HTML5 Canvas API? Defining Paths with lines, curves, arcs and more.
thejohnrobinson.com
How You Can Draw Regular Polygons with the HTML5 Canvas API | Stormin' The Castle
http://www.thejohnrobinson.com/2013/07/24/how-you-can-draw-regular-polygons-with-the-html5-canvas-api
Stormin' The Castle. A Software and Technology Blog by John Robinson. How You Can Draw Regular Polygons with the HTML5 Canvas API. Posted by John Robinson. On July 24, 2013. So maybe you need to draw a pentagon? How about just a simple equilateral triangle? Drop me a note on Twitter, if you’d like to see an article on star-shaped regular polygons. In order to understand an algorithm for drawing a regular polygon. Let’s look at the interrelationship of all regular polygons to a circle. A:a; ctx.save()...
sree.kotay.com
graphicallyspeaking: iOS 7. Meh.
http://sree.kotay.com/2013/10/ios-7-meh.html
October 7, 2013. For the record, I am an iPhone fan - since day 1 (and I can prove it. But I'm not loving iOS 7. Don't get me wrong: there's a lot to like. Its modern looking, less 'cutesy' (and way less cheesy), uses motion effectively, and generally improves the user interface affordances for a lot of use cases (contacts link in messages, actions in mail, etc.). And that doesn't even get into the tons of (overdue) under the hood improvements. The User Interface blends with the content. Circles used to ...
sree.kotay.com
graphicallyspeaking: Implementing brainfuck, part 2
http://sree.kotay.com/2013/02/implementing-brainfuck-part-2.html
February 20, 2013. Implementing brainfuck, part 2. Update: Faster binaries posted. I presented some benchmarks (see here. For my brainfuck implementation against some of the best. I'll now lay out the reference interpreter, the optimized interpreter, and source code. I'm slower posting all this than I meant to be: apologies - - dayjob and all.). To start, the reference interpreter looks like this:. The source code is here: bffsree ref.c. Updated : fixed missing header]. The main differences are:. The inc...
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