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Jinja demo of new srcset_image and picture template tags #455

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133 changes: 133 additions & 0 deletions bakerydemo/jinja2/base/home_page.html
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,139 @@ <h2>{{ page.promo_title }}</h2>
</div>
</div>

<div class="container-fluid">
<div class="row">
<div class="col-sm-12">
<h2>srcset_image</h2>
</div>
</div>
<div class="row">
<div class="col-sm-4">
{{ srcset_image(page.promo_image, "fill-{100x150,200x300}", sizes="30vw", alt="") }}
<p>Works</p>
{{ srcset_image(page.promo_image, "fill-{100x150,200x300}") }}
<p>Works (but no sizes so a bit pointless)</p>
</div>
<div class="col-sm-4">
{% set img=srcset_image(page.promo_image, "fill-{100x150,200x300}", sizes="30vw", alt="") %}
{{ img }}
<p>Assignment, direct rendering</p>
{% set bg=srcset_image(page.promo_image, "fill-{100x150,200x300}") %}
{% set fallback=bg.renditions[0] %}
<img srcset="{% for r in bg.renditions %}{{ r.url }} {{ r.width }}w{{ ', ' if not loop.last }}{% endfor %}" sizes="30vw" src="{{ fallback.url }}" width="{{ fallback.width }}" height="{{ fallback.height }} alt="">
<p>Assignment, data access</p>
</div>
<div class="col-sm-4">
{{ srcset_image(page.promo_image_missing, "fill-{100x150,200x300}", sizes="30vw", alt="") }}
<p>Missing image</p>
{# {{ srcset_image(page.promo_image, "fill-{100x150,200x300} jpegquality-40", sizes="30vw", alt="") }} #}
<p>Invalid spec, detected by regex (uncomment)</p>
{# {{ srcset_image(page.promo_image, "fill-}100x150,200x300}|jpegquality-40", sizes="30vw", alt="") }} #}
<p>Invalid spec, caught later</p>
{{ srcset_image(page.promo_image, "fill-{1x1,2x2,4x4,8x8,16x16,32x32,64x64,128x128,256x256,512x512}", sizes="5vw", alt="") }}
<p>10 images (just because you can…)</p>
{{ srcset_image(page.promo_image, "fill-100x150") }}
<p>Works the same as vanilla image</p>
</div>
</div>
</div>

<div class="container-fluid">
<div class="row">
<div class="col-sm-12">
<h2>picture, same as src_set</h2>
</div>
</div>
<div class="row">
<div class="col-sm-4">
{{ picture(page.promo_image, "fill-{100x150,200x300}", sizes="30vw", alt="") }}
<p>Works</p>
{{ picture(page.promo_image, "fill-{100x150,200x300}") }}
<p>Works (but no sizes so a bit pointless)</p>
</div>
<div class="col-sm-4">
{% set img=picture(page.promo_image, "fill-{100x150,200x300}", sizes="30vw", alt="") %}
{{ img }}
<p>Assignment, direct rendering</p>
{% set bg=picture(page.promo_image, "fill-{100x150,200x300}") %}
{% set fallback=bg.renditions[0] %}
<img srcset="{% for r in bg.renditions %}{{ r.url }} {{ r.width }}w{{ ', ' if not loop.last }}{% endfor %}" sizes="30vw" src="{{ fallback.url }}" width="{{ fallback.width }}" height="{{ fallback.height }} alt="">
<p>Assignment, data access</p>
</div>
<div class="col-sm-4">
{{ picture(page.promo_image_missing, "fill-{100x150,200x300}", sizes="30vw", alt="") }}
<p>Missing image</p>
{# {{ picture(page.promo_image, "fill-{100x150,200x300} jpegquality-40", sizes="30vw", alt="") }} #}
<p>Invalid spec, detected by regex (uncomment)</p>
{# {{ picture(page.promo_image, "fill-}100x150,200x300}|jpegquality-40", sizes="30vw", alt="") }} #}
<p>Invalid spec, caught later</p>
{{ picture(page.promo_image, "fill-{1x1,2x2,4x4,8x8,16x16,32x32,64x64,128x128,256x256,512x512}", sizes="5vw", alt="") }}
<p>10 sizes (just because you can…)</p>
{{ picture(page.promo_image, "fill-100x150") }}
<p>Works the same as vanilla image, but with a picture tag around it</p>
</div>
</div>
</div>

<div class="container-fluid">
<div class="row">
<div class="col-sm-12">
<h2>picture, formats</h2>
</div>
</div>
<div class="row">
<div class="col-sm-4">
{{ picture(page.promo_image, "format-{avif,jpeg}", alt="") }}
<p>Works</p>
</div>
<div class="col-sm-4">
{% set img=picture(page.promo_image, "format-{avif,jpeg}", alt="") %}
{{ img }}
<p>Assignment, direct rendering</p>
{% set bg=picture(page.promo_image, "format-{avif,jpeg}") %}
{% set fallback=bg.formats['jpeg'][0] %}
<picture>
<source srcset="{{ bg.formats['avif'][0].url }}" type="image/avif">
<img src="{{ fallback.url }}" alt="">
</picture>
<p>Assignment, data access</p>
</div>
<div class="col-sm-4">
{{ picture(page.promo_image, "format-{jpeg,avif,webp,gif,png}", alt="") }}
<p>All formats (just because you can…)</p>
</div>
</div>
</div>

<div class="container-fluid">
<div class="row">
<div class="col-sm-12">
<h2>picture, formats and sizes</h2>
</div>
</div>
<div class="row">
<div class="col-sm-4">
{{ picture(page.promo_image, "format-{avif,jpeg}|fill-{100x150,200x300}", sizes="30vw", alt="") }}
<p>Works</p>
</div>
<div class="col-sm-4">
{% set img=picture(page.promo_image, "format-{avif,jpeg}|fill-{100x150,200x300}", sizes="30vw", alt="") %}
{{ img }}
<p>Assignment, direct rendering</p>
{% set bg=picture(page.promo_image, "format-{avif,jpeg}|fill-{100x150,200x300}") %}
{% set avifs=bg.formats['avif'] %}
{% set fallbacks=bg.formats['jpeg'] %}
{% for r in avifs %}{{r.url}},{% endfor %}
{% for r in fallbacks %}{{r.url}},{% endfor %}
<p>Assignment, data access</p>
</div>
<div class="col-sm-4">
{{ picture(page.promo_image, "format-{jpeg,avif,webp,gif,png}|fill-{1x1,2x2,4x4,8x8,16x16,32x32,64x64,128x128,256x256,512x512}", alt="") }}
<p>All formats, 10 sizes (just because you can…)</p>
</div>
</div>
</div>

{% if page.body %}
<div class="container-fluid streamfield">
<div class="row">
Expand Down