Mask

Controls the visible and non-visible area of the image.

Mask type &mask=

Sets the mask type from a predefined list of shapes.

More info: Issue #49 - Add circle effect to photos.

Valid shapes:

• circle
• ellipse
• triangle
• triangle-180: Triangle tilted upside down
• pentagon
• pentagon-180: Pentagon tilted upside down
• hexagon
• square: Square tilted 45 degrees
• star: 5-point star
• heart

<img src="//images.weserv.nl/?url=images.weserv.nl/lichtenstein.jpg&w=300&h=300&fit=cover&mask=circle">

Mask trim &mtrim

Removes the remaining whitespace from the mask.

<img src="//images.weserv.nl/?url=images.weserv.nl/lichtenstein.jpg&w=300&h=900&fit=cover&a=crop-22-0&mask=circle&mtrim">

Mask background &mbg=

Sets the background color of the mask. See here for the supported color formats.

<img src="//images.weserv.nl/?url=images.weserv.nl/transparency_demo.png&w=400&bg=black&mask=heart&mbg=red">