An image file (e.g. JPEG, PNG) contains metadata, i.e. information about the image, e.g. which camera model was used, when the picture has been taken or various image regions. Image regions are useful for describing specific areas of the image (e.g. objects, people) or for indicating how the image should be cropped or rotated to best fit a given container.
This WordPress plugin reads such image regions in order to automatically crop images the best possible way, depending on which container they are being displayed in.
The Frameright app can be used to define such image regions and insert them in the metadata of a picture.
How does it work?
When rendering a post or a page, the plugin looks for images that have image region metadata and replaces them with a web component automatically zooming on the best suited image region, effectively doing better than a classical middle-crop.
This plugin is based on Frameright/php-image-metadata-parser, a fork of dchesterton/image, an image metadata parsing library. Many thanks to dchesterton!
I have an issue or I want to contribute code
Please use the GitHub repository to raise issues about the plugin or submit pull requests.
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Contributors & Developers
“Image Display Control” is open source software. The following people have contributed to this plugin.Contributors
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Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
- Added tutorial video.
- Fixed web component sometimes not initializing properly.
- Added support for older browsers. See here for more details.
- Improved resolution of images having an
srcset=HTML attribute when zooming in on a region.
- Now forcing the web component to select a region and zoom in on it, instead of rendering the full original image.
- Fixed crash when uploading non-image files.
- Fixed crash when uploading damaged images.
- Fixed several bugs that were happening with some specific themes, like the plugin doing nothing or the image regions being wrong.
- Stopped generating hardcrops in the media library.
- Switched to rendering a web component on the front-end.
- Improved documentation.
- Renamed software components to avoid name clashes with other plugins.
- Improved algorithm for automatically selecting the best hardcrop.
- Initial Release.