cifilter 0.4.2

Goal

cifilter is a command line tool for filtering images using CoreImage.

Install

Install from source:

$ python setup.py install

With pip:

$ pip install cifilter

With setuptools:

$ easy_install -U cifilter

Usage

Note most of the arguments of the form –inputXXXX vary depending on the filter selected.

$ cifilter –filter CIRippleTransition –help Usage: cifilter –filter CIRippleTransition [options]

Options:

--version

show program’s version number and exit

-h, --help

Help!

-i INPUT, --inputImage=INPUT

The input image (or - for stdin)

-o OUTPUT, --outputImage=OUTPUT

The output image (or - for stdout)

-f FILTER, --filter=FILTER

Name of the filter

--listfilters

List available CoreImage filters

--listcategories

List available CoreImage filter categories

--category=CATEGORY

Category used to filter listfilter results

--width=WIDTH

Desired width of output image

--height=HEIGHT

Desired height of output image

--type=TYPE

Desired UTI type of output image (e.g. public.png, public.jpg, etc)

-v, --verbose

Set the log level to INFO

--loglevel=LOGLEVEL

set the log level, 0 = no log, 10+ = level of logging

--logfile=LOG_FILE

File to log messages to. If - or not provided then stdout is used

--open

Open the output image after processing

--inputTargetImage=VALUE

The target image for a transition.

--inputShadingImage=VALUE

An image that looks like a shaded sphere enclosed in a square image.

--inputCenter=VALUE

The x and y position to use as the center of the effect

--inputExtent=VALUE

A rectangle that defines the extent of the effect.

--inputTime=VALUE

The parametric time of the transition. This value drives the transition from start (at time 0) to end (at time 1).

--inputWidth=VALUE

The width of the ripple.

--inputScale=VALUE

A value that determines whether the ripple starts as a bulge (higher value) or a dimple (lower value).

Examples

$ cifilter –help

$ cifilter –listcategories

$ cifilter –listfilters

$ cifilter –listfilters –category CICategoryGenerator

$ cifilter –filter CIStarShineGenerator –help

$ cifilter –filter CIEdges < test.jpg

$ cifilter –filter CIEdgeWork < input.png > output.png

$ cifilter –filter CIEdgeWork –inputImage 1.png –output 2.png

$ cifilter –filter CISunbeamsGenerator –open

$ cifilter –filter CICheckerboardGenerator -o - | cifilter –filter CIEdgeWork -i - –open

$ cifilter –filter CICheckerboardGenerator –type public.jpeg –outputImage ~/Desktop/Checkerboard.jpg

$ cifilter –filter CIConstantColorGenerator –inputColor=1.0,1.0,1.0,1.0 –width 256 –height 256 –open

$ cifilter –filter CIConstantColorGenerator –inputColor=1.0,0.0,0.0,1.0 -o - | cifilter –filter CIHueAdjust –inputAngle=180 –open

Bugs

Send all bug reports to jwight@mac.com