Freshheads ImageFactory module for Titanium, which currently provides access to Androids ExifInterface for image files. Also provides a memory conservative utility method to rotate an image based on Exif information and resize it, maintaining aspect ratio, in one pass.
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android bugfix for ti sdk 7 Dec 19, 2017
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README.md

README.md

fh.imagefactory Module

Description

Freshheads ImageFactory module for Titanium which currently provides access to Androids ExifInterface for image files. Also provides a memory conservative utility method to rotate an image based on Exif information and resize it, maintaining aspect ratio, in one pass.

Accessing the fh.imagefactory Module

To access this module from JavaScript, you would do the following:

var ImageFactory = require("fh.imagefactory");

The ImageFactory variable is a reference to the Module object.

Methods

ImageFactory.getExifTag

Read the value of an Exif tag inside an image file.

Arguments

  • filename [string]: The string specifying the filename of the image file to read.
  • tag [string]: The tag to read from the image file. Use one of the constants also provided in this module.

ImageFactory.rotateResizeImage

Rotate, resize and compress the image to a JPEG file in one pass.

Arguments

  • filename [string]: The string specifying the filename of the image file to modify. This file will be overwritten!
  • size [int]: The size in pixels to resize to. This will be the size of the longest edge, remaining aspect ratio.
  • quality [int]: The JPEG output quality specified as an integer between 0 and 100 with 100 being the highest quality.

Constants

ImageFactory.ORIENTATION_FLIP_HORIZONTAL

ImageFactory.ORIENTATION_FLIP_VERTICAL

ImageFactory.ORIENTATION_NORMAL

ImageFactory.ORIENTATION_ROTATE_180

ImageFactory.ORIENTATION_ROTATE_270

ImageFactory.ORIENTATION_ROTATE_90

ImageFactory.ORIENTATION_TRANSPOSE

ImageFactory.ORIENTATION_TRANSVERSE

ImageFactory.ORIENTATION_UNDEFINED

ImageFactory.TAG_DATETIME

ImageFactory.TAG_FLASH

ImageFactory.TAG_GPS_ALTITUDE

ImageFactory.TAG_GPS_ALTITUDE_REF

ImageFactory.TAG_GPS_DATESTAMP

ImageFactory.TAG_GPS_LATITUDE

ImageFactory.TAG_GPS_LATITUDE_REF

ImageFactory.TAG_GPS_LONGITUDE

ImageFactory.TAG_GPS_LONGITUDE_REF

ImageFactory.TAG_GPS_PROCESSING_METHOD

ImageFactory.TAG_GPS_TIMESTAMP

ImageFactory.TAG_IMAGE_LENGTH

ImageFactory.TAG_IMAGE_WIDTH

ImageFactory.TAG_MAKE

ImageFactory.TAG_MODEL

ImageFactory.TAG_ORIENTATION

ImageFactory.TAG_WHITE_BALANCE

ImageFactory.WHITEBALANCE_AUTO

ImageFactory.WHITEBALANCE_MANUAL

Usage

See example folder for an example app.js.

Author

[Stefan Moonen] 1

License

Copyright (c) 2013 by Freshheads BV. Please see the LICENSE file included in the distribution for further details.