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Filtrr - An iOS Image filter library | ||
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based on Alex Michael's filtrr.js (https://github.com/alexmic/filtrr) | ||
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At this point thousand thanks to Alex for sharing. | ||
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If you like this, like us on Facebook :) http://www.facebook.com/WeAre42dp | ||
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Copyright (C) 2012 42dp | ||
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Permission is hereby granted, free of charge, to any person obtaining a copy of | ||
this software and associated documentation files (the "Software"), to deal in | ||
the Software without restriction, including without limitation the rights to | ||
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies | ||
of the Software, and to permit persons to whom the Software is furnished to do | ||
so, subject to the following conditions: | ||
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The above copyright notice and this permission notice shall be included in all | ||
copies or substantial portions of the Software. | ||
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
SOFTWARE. | ||
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How to use | ||
----------- | ||
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This is pretty simple: | ||
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1. a) #import "UIImage+FiltrrCompositions.h" if you want to use the predefined effects | ||
or | ||
b) #import "UIImage+Filtrr.h" if you want to compose your own effects | ||
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2a) Just call the method on your image and you will get back a manipulated image. | ||
UIImage *img = [UIImage imageNamed:@"test.jpg"]; | ||
img = [img e1]; | ||
anImageViewController.image = img; | ||
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2b) To compose your own effect: | ||
UIImage *img = [UIImage imageNamed:@"test.jpg"]; | ||
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UIImage *topImage = [img duplicate]; | ||
topImage = [[topImage saturationByFactor:0] blur]; | ||
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img = [self multiply:topImage]; | ||
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RGBA minrgb, maxrgb; | ||
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minrgb.red = 60; | ||
minrgb.green = 35; | ||
minrgb.blue = 10; | ||
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maxrgb.red = 170; | ||
maxrgb.green = 140; | ||
maxrgb.blue = 160; | ||
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img = [[[self tintWithMinRGB:minrgb MaxRGB:maxrgb] contrastByFactor:0.8] brightnessByFactor:10]; | ||
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anImageViewController.image = img; | ||
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Enjoy it and feel free to send me your composed effects! |