Difference between revisions of "Keep Ratio Keyword"

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It is possible to add the keyword <code>msx-keep-ratio</code> to a background image URL (at any position) to keep the aspect ratio. By default, the background image is stretched to fill the entire screen. Adding the keyword will scale up/down the image to fill the entire screen. This feature is available since version '''0.1.150'''.  
+
It is possible to add the keyword <code>msx-keep-ratio</code> to a background image URL (at any position) to keep the aspect ratio. By default, the background image is stretched to fill the entire screen. By adding the keyword, the image is scaled up/down to fill the entire screen. This feature is available since version '''0.1.150'''.  
  
'''Note: Because of the immersive mode (introduced in version 0.1.150), the aspect ratio of backgrounds is not always 16:9 (like on TV devices) but can have any aspect ratio. If your background image contains text or natural objects (like people, animals, landscapes, etc.), it is recommended to use this keyword because this kind of images will often look strange when stretched.'''
+
'''Note: Because of the immersive mode (introduced in version 0.1.150), the aspect ratio of backgrounds is not always 16:9 (like in previous versions) but can have any aspect ratio. Therefore, this keyword should also be used for backgrounds with an aspect ratio of 16:9 if stretching should be avoided.'''
  
 
Please see following URL examples.
 
Please see following URL examples.
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* http://example.com/img/background_msx-keep-ratio.jpg
 
* http://example.com/img/msx-keep-ratio/background.jpg
 
* http://example.com/img/msx-keep-ratio/background.jpg
 
* http://example.com/img/background.jpg?msx-keep-ratio
 
* http://example.com/img/background.jpg?msx-keep-ratio
 
* http://example.com/img/background.jpg?w=1920&h=1080&msx-keep-ratio
 
* http://example.com/img/background.jpg?w=1920&h=1080&msx-keep-ratio
 
* http://example.com/img/background.jpg#msx-keep-ratio
 
* http://example.com/img/background.jpg#msx-keep-ratio
* http://example.com/img/background.jpg?w=1920&h=1080#msx-keep-ratio
 
  
 
Please see following code example.
 
Please see following code example.
Line 31: Line 31:
 
                 "label": "Disable Immersive Mode",
 
                 "label": "Disable Immersive Mode",
 
                 "action": "[cleanup|settings:immersive_mode:0]"
 
                 "action": "[cleanup|settings:immersive_mode:0]"
 +
            }, {
 +
                "type": "space",
 +
                "layout": "0,5,8,1",
 +
                "text": [
 +
                    "{ico:msx-blue:info} Please note that the immersive mode is (usually) only available on mobile and desktop devices.",
 +
                    " If your device supports the immersive mode, you will find an entry in the settings where you can also enable/disable it."
 +
                ]
 
             }]
 
             }]
 
     },
 
     },

Latest revision as of 09:02, 23 November 2022

It is possible to add the keyword msx-keep-ratio to a background image URL (at any position) to keep the aspect ratio. By default, the background image is stretched to fill the entire screen. By adding the keyword, the image is scaled up/down to fill the entire screen. This feature is available since version 0.1.150.

Note: Because of the immersive mode (introduced in version 0.1.150), the aspect ratio of backgrounds is not always 16:9 (like in previous versions) but can have any aspect ratio. Therefore, this keyword should also be used for backgrounds with an aspect ratio of 16:9 if stretching should be avoided.

Please see following URL examples.

Please see following code example.

Example[edit]

Screenshot[edit]

Example Screenshot (Keep Ratio Keyword)

Code[edit]

{
    "type": "pages",
    "headline": "Keep Ratio Keyword",
    "options": {
        "items": [{
                "type": "control",
                "layout": "0,0,8,1",
                "label": "Enable Immersive Mode",
                "action": "[cleanup|settings:immersive_mode:1]"
            }, {
                "type": "control",
                "layout": "0,1,8,1",
                "label": "Disable Immersive Mode",
                "action": "[cleanup|settings:immersive_mode:0]"
            }, {
                "type": "space",
                "layout": "0,5,8,1",
                "text": [
                    "{ico:msx-blue:info} Please note that the immersive mode is (usually) only available on mobile and desktop devices.",
                    " If your device supports the immersive mode, you will find an entry in the settings where you can also enable/disable it."
                ]
            }]
    },
    "template": {
        "type": "default",
        "titleFooter": "{col:msx-white}default",
        "imageLabel": "default",
        "area": "0,4,12,2",
        "layout": "0,0,2,2",
        "color": "msx-glass",
        "imageFiller": "cover",
        "alignment": "center",
        "selection": {
            "important": true,
            "background": "{context:background}"
        },
        "properties": {
            "image:action": "slider:stop",
            "image:trigger": "slider:sync"
        }
    },
    "items": [{
            "image": "http://msx.benzac.de/media/thumbs/square1.jpg",
            "background": "http://msx.benzac.de/media/square1.jpg",
            "action": "image:http://msx.benzac.de/media/square1.jpg"
        }, {
            "titleFooter": "{col:msx-white}msx-keep-ratio",
            "imageLabel": "msx-keep-ratio",
            "image": "http://msx.benzac.de/media/thumbs/square1.jpg",
            "background": "http://msx.benzac.de/media/square1.jpg#msx-keep-ratio",
            "action": "image:http://msx.benzac.de/media/square1.jpg"
        }, {
            "image": "http://msx.benzac.de/media/thumbs/square2.jpg",
            "background": "http://msx.benzac.de/media/square2.jpg",
            "action": "image:http://msx.benzac.de/media/square2.jpg"
        }, {
            "titleFooter": "{col:msx-white}msx-keep-ratio",
            "imageLabel": "msx-keep-ratio",
            "image": "http://msx.benzac.de/media/thumbs/square2.jpg",
            "background": "http://msx.benzac.de/media/square2.jpg#msx-keep-ratio",
            "action": "image:http://msx.benzac.de/media/square2.jpg"
        }, {
            "image": "http://msx.benzac.de/media/thumbs/square3.jpg",
            "background": "http://msx.benzac.de/media/square3.jpg",
            "action": "image:http://msx.benzac.de/media/square3.jpg"
        }, {
            "titleFooter": "{col:msx-white}msx-keep-ratio",
            "imageLabel": "msx-keep-ratio",
            "image": "http://msx.benzac.de/media/thumbs/square3.jpg",
            "background": "http://msx.benzac.de/media/square3.jpg#msx-keep-ratio",
            "action": "image:http://msx.benzac.de/media/square3.jpg"
        }]
}

Demo[edit]