Sharpen provides several strategies for enhancing image sharpness. 'Sharp' and 'Ultra' use 3x3 convolution masks, while 'mask' applies a technology known as unsharp masking, where a blurred version of the original image is subtracted.
Parameter | Description | Required | Allowed Values | Default |
---|---|---|---|---|
strategy | Decides which sharpen strategy to use internally. | No | [sharp, ultra, mask] | sharp |
id | HTML id attribute. | No | [CData] | n/a |
image | Image source URI. | Yes | [URI] | n/a |
encode | Encoding format for the resulting image. | No | [png , gif , jpg , tif , bmp] | Source image format |
width | Image width. | No | [CData] | n/a |
height | Image height. | No | [CData] | n/a |
title | Image title shown on tooltips. | No | [CData] | n/a |
border | Image border width. | No | [CData] | n/a |
cssClass | css class applied to the image tag. | No | [CData] | n/a |
cssStyle | css style directly applied to the image tag. | No | [CData] | n/a |
onclick | Javascript handling for this event. | No | [Javascript] | n/a |
ondblclick | Javascript handling for this event. | No | [Javascript] | n/a |
onmousedown | Javascript handling for this event. | No | [Javascript] | n/a |
onmouseup | Javascript handling for this event. | No | [Javascript] | n/a |
onmouseover | Javascript handling for this event. | No | [Javascript] | n/a |
onmousemove | Javascript handling for this event. | No | [Javascript] | n/a |
onmouseout | Javascript handling for this event. | No | [Javascript] | n/a |
onkeydown | Javascript handling for this event. | No | [Javascript] | n/a |
onkeyup | Javascript handling for this event. | No | [Javascript] | n/a |