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About the developer

Yalantis
881 Stars 77 Forks MIT License 29 Commits 2 Opened issues

Description

Custom Label to apply animations on whole text or letters.

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Ophiuchus

Yalantis Preview The Green Horse

Custom Label to apply animations on whole text or letters.

Yalantis

Check an article on our blog

Inspired by this project on Dribble

Installation

CocoaPods

pod 'Ophiuchus', '~> 1.0.3'

Manual Installation

Alternatively you can directly add all the source files from Ophiuchus to your project.

  1. Download the latest code version or add the repository as a git submodule to your git-tracked project.
  2. Open your project in Xcode, then drag and drop all folders directories in Pods/Classes/ onto your project (use the "Product Navigator view"). Make sure to select Copy items when asked if you extracted the code archive outside of your project.
  3. Include YALLabel wherever you need it with
    #import "YALLabel.h"
    .

Introduction

YALProgressAnimatingLayer

YALProgressAnimatingLayer
is a subclass of
CAShapeLayer
designed to control animations with progress. This feature is disabled until you invoke
[layer allowProgressToControlAnimations]
, after that
duration
and
timeOffset
properties of the layer will be passed to any animation added to the layer. Thus you gain control over animations added to the layer by passing values to
progress
property (varies from 0.f to 1.f).
YALProgressAnimatingLayer
mask is of same type as the layer.

YALTextLayer

YALTextLayer
is a subclass of
YALProgressAnimatingLayer
designed to display array of
UIBezierPath
instances as
YALProgressAnimatingLayer
sublayers. You can access and manipulate each letter sublayer.
YALTextLayer
constructs sublayers with mask of bounding box of shapes they have by default.

YALLabel

YALLabel
is a custom label consisting of three
YALTextLayer
instances to draw background fill, stroke and fill of text.

Usage

Drop a

UIView
on a storyboard and set it's class to
YALLabel
and configure
fontName
,
fontSize
,
text
,
strokeWidth
and colors.

You can

#import "YALLabel.h"
in your view controller and create it from code : ```objective-c self.yalLabel = [[YALLabel alloc] initWithFrame:frame]; self.yalLabel.text = @"AnyText"; self.yalLabel.fontName = @"FontName"; self.yalLabel.fontSize = 60.f; self.yalLabel.fillColor = [UIColor redColor]; self.yalLabel.backgroundFillColor = [UIColor blackColor]; self.yalLabel.strokeColor = [UIColor blackColor]; self.yalLabel.strokeWidth = 1.2f;
After `self.yalLabel` is drawn you can add any animations to any sublayer you want.

Example: add fill animation to mask as in example but only to first letter: Don't forget to import YALPathFillAnimation.h.

YALProgressAnimatingLayer *firstLetter = [self.yalLabel.fillLayer.sublayers firstObject];
CABasicAnimation *fillAnimation = [YALPathFillAnimation animationWithPath:fillLayer.mask.path andDirectionAngle:0];
fillAnimation.duration = 3.0;

[firstLetter.mask addAnimation:fillAnimation forKey:@"fillAnimation"];

</pre>
<p>You can also animate layer with progress:

YALProgressAnimatingLayer *secondLetter = self.yalLabel.fillLayer.sublayers[1]; CABasicAnimation *colorAnimation = [CABasicAnimation animationWithKeyPath:@"fillColor"];

colorAnimation.fromValue = (id)[UIColor redColor].CGColor; colorAnimation.toValue = (id)[UIColor blueColor].CGColor;

[secondLetter allowProgressToControlAnimations]; [secondLetter addAnimation:colorAnimation forKey:@"colorAnimation"];

secondLetter.progress = 0.f; ```

And then when you need to update progress:

YALProgressAnimatingLayer *secondLetter = self.yalLabel.fillLayer.sublayers[1];
secondLetter.progress = value;

Let us know!

We’d be really happy if you senв us links to your projects where you use our component. Just send an email to [email protected] And do let us know if you have any questions or suggestion regarding the animation.

P.S. We’re going to publish more awesomeness wrapped in code and a tutorial on how to make UI for iOS (Android) better than better. Stay tuned!

License

The MIT License (MIT)

Copyright © 2017 Yalantis

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:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

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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