RSForm!Pro file upload Image Resize plugin
Joomla 3.x RSForm!Pro Plugin to automatically resize an image after it is uploaded through a file upload field. You can define multiple image sizes so that with Responsive Design you can use different file formats.
Settings can be managed through the RSForm!Pro configuration screen.
Requirements
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Joomla 3.5.0 or higher (for security always use the latest version)
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RSForm!Pro 1.50.0 or higher
Installation instructions
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Download the Installer file
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Install through the normal Joomla extension installer
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Publish the System - RSForm!Pro Image Resize plugin after installation
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Go to Components > RSForm! Pro > Configuration > Image resize and modify the settins to your liking
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If you have set Log image resizes to 'Yes' a logfile will be created in your log directory (see Global Configuration > System > Path to Log Folder)
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If you set Allow enlarge to yes, images will be enlarged to the configured sizes. Be aware that if images are enlarged too much, some blurring can occur.
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Create or modify a form and add a file upload field
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Test the form and upload an image file
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For every file size you have allowed a resized file will be created with the -tn (thumbnail), -xs (extra small), -sm (small), -md (medium) or -lg (large) addition in the filename.
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You can set a crop option for each size to yes or no, which allows cropping of the image after resize. This is a great option to create square images for example.
Credits:
- EventViva for their php-image-resize library (License MIT): https://packagist.org/packages/eventviva/php-image-resize
- Peter Martin for example code on image resizing and how to use composer