evo-srcset

Simple img srcset generator snippet for Evolution CMS

Call

[[srcset? 
&input=`[*article_img*]` 
&sizes=`(min-width: 1200px) 1140px, 
        (min-width: 992px) 940px, 
        (min-width: 768px) 720px, 
        calc(100vw - 30px)` 
&srcset=`330,546,720,940,1140,1440,1880`
&defaultSize=`1140`
&quality=`80`
&attrAlt=`Image alt text`
&attrClass=`image-class`
&attrStyle=`display: inline-block`
&attrCustom=`data-test="success"`
]]

Result

<img sizes="(min-width: 1200px) 1140px,
            (min-width: 992px) 940px,
            (min-width: 768px) 720px,
            calc(100vw - 30px)" 
srcset="assets/cache/images/150944-330x-70e.jpg 330w,
        assets/cache/images/150944-546x-b43.jpg 546w,
        assets/cache/images/150944-720x-33b.jpg 720w,
        assets/cache/images/150944-940x-70d.jpg 940w,
        assets/cache/images/150944-1140x-6d1.jpg 1140w,
        assets/cache/images/150944-1440x-e5d.jpg 1440w,
        assets/cache/images/150944-1880x-ef3.jpg 1880w" 
src="assets/cache/images/150944-1140x-6d1.jpg" 
class="image-class" 
style="display: inline-block" 
alt="Image alt text" 
data-test="success">

Parameters

input

Image source.

srcset

Dimensions separated by comma, eg. "360,720,1280". From smallest to largest. If you need to crop your image, use WxH eg. "360x200,720x400,1280x400".

sizes (optional)

CSS rules that specifies image sizes for different page layouts. Optional but recommended.

defaultSize (optional)

Size used for fallback in src="" attribute. If not used, last dimension from srcset is used.

quality (optional)

Quality of generated JPG files. Default: 80.

attrAlt (optional)

Value of alt="" attribute.

attrClass (optional)

Value of class="" attribute.

attrStyle (optional)

Value of style="" attribute.

attrCustom (optional)

Any additional attributes you may need. Eg. data-test="success"

Dependency

EVO phpthumb snippet.