iOS Photo Manipulator

iOS Image Processing API to edit photo programmatically. This library is used by react-native-photo-manipulator.

Installation

Add dependency Podfile

# Uncomment the next line to define a global platform for your project
# platform :ios, '9.0'

target 'Demo' do
  # Uncomment the next line if you're using Swift or would like to use dynamic frameworks
  # use_frameworks!

  # Add WCPhotoManipulator
  pod 'WCPhotoManipulator', :git => 'https://github.com/guhungry/ios-photo-manipulator.git', :tag => 'v1.0.0'

end

Usage

Import using

@import WCPhotoManipulator;

Usage UIImage+PhotoManipulator

[image crop]

Crop image from specified cropRegion

NAME	TYPE	REQUIRED	DESCRIPTION
cropRegion	CGRect	Yes	Region to be crop in CGRect(x, y, size, width)
scale	CGFloat	No	Scale of result image. Default = image.scale

[image resize]

Resize image from specified into targetSize using resize mode cover

NAME	TYPE	REQUIRED	DESCRIPTION
targetSize	CGSize	Yes	Size of result image
scale	CGFloat	No	Scale of result image. Default = image.scale

[image drawText]

Print text into image

NAME	TYPE	REQUIRED	DESCRIPTION
text	NSString	Yes	Text to print in image
position	CGPoint	Yes	Position to in in x, y
color	UIColor*	Yes	Text color
font	UIFont	Yes	Font to use
thickness	Float	No	Outline of text. Default = 0
rotation	Float	No	Rotation angle in degrees
scale	CGFloat	No	Scale of result image. Default = image.scale

[image overlayImage]

Overlay image on top of background image

NAME	TYPE	REQUIRED	DESCRIPTION
overlay	UIImage*	Yes	Overlay image
position	CGPoint	Yes	Position of overlay image in background image

[image flip]

Flip the image horizontally and/or vertically

NAME	TYPE	REQUIRED	DESCRIPTION
mode	FlipMode	Yes	Flip mode .Vertical or .Horizontal or .Both

Usage FileUtils

[FileUtils createTempFile]

Create temp file into cache directory with prefix

NAME	TYPE	REQUIRED	DESCRIPTION
prefix	NSString	Yes	Temp file name prefix
mimeType	NSString	Yes	Mime type of image. Default = image/jpeg

[FileUtils cachePath]

Get cache path of app

[FileUtils cleanDirectory]

Delete all files in directory with prefix

NAME	TYPE	REQUIRED	DESCRIPTION
directory	NSString	Yes	Path to clean
prefix	NSString	Yes	File name prefix to match

[FileUtils saveImageFile]

Save image to target path

NAME	TYPE	REQUIRED	DESCRIPTION
image	UII mage	Yes	Source image
mimeType	NSString	Yes	Mime type of target file
quality	CGFloat	Yes	Quality of image between 0 - 1(For jpg only)
file	NSString	Yes	Target file path

[FileUtils imageFromUrl]

Open file from uri as input stream

NAME	TYPE	REQUIRED	DESCRIPTION
uri	String	Yes	Uri of image can be remote (https?://) or local (file://)

Usage MimeUtils

[MimeUtils toExtension]

Get image file extension from mimeType (Support .jpg, .png and .webp)

NAME	TYPE	REQUIRED	DESCRIPTION
mimeType	String	Yes	Image mime type