Kevin Meaney SheffieldKevin
SheffieldKevin
/ BaseDerivedClassMethods
Last active
August 29, 2015 14:01
Calling derived class methods from the base class. What do you think this code outputs.
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| #import <Foundation/Foundation.h> | |
| @interface BaseClass : NSObject | |
| +(void)callDerivedClassMethod; | |
| @end | |
| @interface DerivedClass : BaseClass | |
| +(void)derivedClassMethod; | |
| @end |
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| { | |
| "{TIFF}": { | |
| "ResolutionUnit": 2, | |
| "Software": "NEX-5N v1.01", | |
| "DateTime": "2013:07:28 13:50:35", | |
| "XResolution": 350, | |
| "ImageDescription": " ", | |
| "Orientation": 1, | |
| "Model": "NEX-5N", | |
| "Make": "SONY", |
SheffieldKevin
/ main.m
Last active
July 1, 2022 06:43
Code to demonstrate that the backside image option for the CIPageCurlTransition filter doesn't work.
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| // main.m | |
| // pagecurlbacksidetest | |
| // | |
| // Created by Kevin Meaney on 30/03/2014. | |
| @import Foundation; | |
| @import QuartzCore; | |
| size_t const kWidth = 600; | |
| size_t const kHeight = 400; |
SheffieldKevin
/ Compare images not working
Last active
August 29, 2015 13:56
The CIAreaMaximum filter is not working.
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| // main.m | |
| // compareimages | |
| // | |
| // Created by Kevin Meaney on 25/02/2014. | |
| // Copyright (c) 2014 Kevin Meaney. All rights reserved. | |
| @import Foundation; | |
| @import QuartzCore; | |
| // --------------------------------------------------------------------------- |
SheffieldKevin
/ main.m
Last active
November 26, 2018 18:22
I had far more difficulty getting the generation of gif animations working correctly using ImageIO and Core-Graphics aka Quartz on MacOS/iOS than should have reasonably been expected.
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| // main.m | |
| // creategif | |
| // | |
| // Created by Kevin Meaney on 21/10/2013. | |
| // I've briefly blogged about it here: | |
| // http://blog.yvs.eu.com/2013/10/creating-gif-animations-using-coreimagequartz | |
| // The following code is all that is all the code needed for a creating a command line tool to generate | |
| // a gif animation from image files. | |
| // The main limitation with this code is that apart from the frame delay time of 0.1 second, every |
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