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Filters allow you to produce a new image. This is typically done by applying a mathematical algorithm to the source image.

Image Filter demo

Contents 1 Built In Types 1.1 Average Gray Scale 1.2 Blur 1.3 Brightness 1.4 Color Luminosity 1.5 Lightness Gray 1.6 Luminosity Gray 1.7 RGB Ignore Alpha 1.8 RGB 1.9 Channel Brightness 2 Create your own filters

Built In Types

Lienzo comes with a variety of built-in image filters. They can be used out of the box to create a number of effects for images.

Average Gray Scale

Gray Scale

Average Gray Filter Javadoc

Blur

Blur Filter Javadoc

Brightness

Valid brightness values are between -1 and 1.

Brightness Filter Javadoc

Color Luminosity

The color luminosity filter allows for a color to be passed in and be used during the creation of the filter. The color can be a valid CSS Color String or IColor (i.e. Color or ColorName Javadoc).

Color ColorName Javadoc Color Luminosity Filter Javadoc

Lightness Gray

Lightness Gray Filter Javadoc

Luminosity Gray

Luminosity Gray Filter Javadoc

RGB Ignore Alpha

RGB Ignore Filter Javadoc

RGB

RGB Filter Javadoc

Channel Brightness

Filter Channel Brightness Filter Javadoc

Create your own filters

It is very simple to create your own filter. All you have to do is:

• Create a new class that implements

ImageDataFilter Javadoc

• Override the filter method and provide your own implementation.