Table of Contents

Image Resize Settings in 2sxc

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This explains the Settings which will be used by subssystemms which...

  1. ...generate links for the Image Resizer using the Link.Image(...) API
  2. ...generate img and picture tags using the IImageService

It is part of the System Settings. Settings seen here start with System.Images....

Predefined Image Settings - Overview

These are the names of the predefined configurations. You can always create your own and give them other names (like Blog) or override these settings. You can do this at the global, site or app level.

  1. Content for any kind of images in the normal content of a page
  2. Lightbox for images which should open in a lightbox - usually almost full-screen
  3. Screen for images which cover the entire screen, like page-background images
  4. Section for images used in page sections, like parallax backgrounds

Configurations on these Settings

Each of these settings have the following properties:

  1. Width determines how wide an image should be - this should always be set, as it's very important for image resizing
  2. Height determines how tall an image should be - in most cases this should be empty
  3. AspectRatio also determines the height of the image, but using a factor of the width - so 2:1 means twice as wide
  4. ResizeMode how images are resized on the server - typically crop is what is used
  5. ScaleMode determines if resizing also happens, if the desired size is larger than the original image (upscaling)
  6. Advanced a complex JSON configuration used for advanced tuning of resizing and generation of img and picture tags. It uses the ImageService. 👉 see Recipes in Image Resize Settings in 2sxc
Note

We recommend to use AspectRatio instead of Height to determine the image height, as it often makes a more consistent look and feel. If both Height and AspectRatio are set, then AspectRatio takes precendence.

Values in the Images Settings of v12.04 and later

Part Key Value in Default Introduced Comments
Images.Content v12.04 For sizing Content-Images
Images.Content Width # 1400 Full-Content-Width images
Images.Content Height # 865 Based on golden ratio
Images.Content Quality # 75 Good average jpg/png compression
Images.Content AspectRatio # 1.618 Golden Ratio
Images.Content ResizeMode $ crop Will fill area exactly
Images.Content ScaleMode $ both Up-scale small images
Images.Content Advanced $ {complex} v13.10 Sizes to use for SrcSets
Images.Lightbox v12.04 For Lightbox-Images
Images.Lightbox Width # 2000 Full-screen Lightboxes
Images.Lightbox Height # 1500 4:3
Images.Lightbox Quality # 75 Good average jpg/png compression
Images.Lightbox AspectRatio # 1.333 4:3
Images.Lightbox ResizeMode $ max Will keep image shape
Images.Lightbox ScaleMode $ down Only down-scale, never up-scale
Images.Lightbox Advanced $ {complex} v13.10 Sizes to use for SrcSets
Images.Screen v12.04 For Screen-Size related images like backgrounds
Images.Screen Width # 2000 Full-Content-Width images
Images.Screen Height # 1500 4:3
Images.Screen Quality # 60 Stronger jpg/png compression
Images.Screen AspectRatio # 1.333 4:3
Images.Screen ResizeMode $ crop Will fill area exactly
Images.Screen ScaleMode $ both Up-scale small images
Images.Screen Advanced $ {complex} v13.10 Sizes to use for SrcSets
Images.Section v12.04 For Backgrounds in Content-Area
Images.Section Width # 1600 Full-Content-Width images
Images.Section Height # 1200 Based on golden ratio
Images.Section Quality # 60 Stronger jpg/png compression
Images.Section AspectRatio # 1.333 4:3
Images.Section ResizeMode $ crop Will fill area exactly
Images.Section ScaleMode $ both Up-scale small images
Images.Section Advanced $ {complex} v13.10 Sizes to use for SrcSets
Images.Wysiwyg v16.01 For Backgrounds in Content-Area
Images.Section Width # 1400 Full-Content-Width images
Images.Section Height None, show as-is
Images.Section Quality # 75 Stronger jpg/png compression
Images.Section AspectRatio None, show as-is
Images.Section ResizeMode $ max Preserve aspect ratio
Images.Section ScaleMode $ both Up-scale small images
Images.Section Advanced $ {complex} Sizes to use for SrcSets
Images.Square v16.03 Square images / profile pics
Images.Section Width # 1400 Full-Content-Width images
Images.Section Height None, show as-is
Images.Section Quality # 75 Stronger jpg/png compression
Images.Section AspectRatio 1:1 None, show as-is
Images.Section ResizeMode $ max Preserve aspect ratio
Images.Section ScaleMode $ both Up-scale small images
Images.Section Advanced $ {complex} Sizes to use for SrcSets

History

  • Full Settings Stack introduced in v12.04 and includes the here mentioned Image settings
  • Advanced Json configuration with recipes added in v13.05
  • Images.Wysiwyg added in v16.01
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