Add overlay_filter param to hero headers #298
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The `overlay_filter` param lets you darken or otherwise filter the hero header picture to make the text content pop out more. You can use it by specifying the opacity (between 0 and 1) of a black overlay like so: ```yaml excerpt: "This post should display a **header with an overlay image**, if the theme supports it." header: overlay_image: unsplash-image-1.jpg overlay_filter: 0.5 # same as adding an opacity of 0.5 to a black background caption: "Photo credit: [**Unsplash**](https://unsplash.com)" cta_label: "More Info" cta_url: "https://unsplash.com" ``` Or if you want to do more fancy things, go full rgba: ```yaml excerpt: "This post should display a **header with an overlay image**, if the theme supports it." header: overlay_image: unsplash-image-1.jpg overlay_filter: rgba(255, 0, 0, 0.5) caption: "Photo credit: [**Unsplash**](https://unsplash.com)" cta_label: "More Info" cta_url: "https://unsplash.com" ```
| <div class="page__hero{% if page.header.overlay_color or page.header.overlay_image %}--overlay{% endif %}" | ||
| style="{% if page.header.overlay_color %}background-color: {{ page.header.overlay_color | default: 'transparent' }};{% endif %} {% if overlay_img_path %}background-image: url('{{ overlay_img_path }}');{% endif %}" | ||
| style="{% if page.header.overlay_color %}background-color: {{ page.header.overlay_color | default: 'transparent' }};{% endif %} {% if overlay_img_path %}background-image: {% if overlay_filter %}linear-gradient({{overlay_filter}}, {{overlay_filter}}), {% endif %}url('{{ overlay_img_path }}');{% endif %}" |
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Could you add spaces around the variable names eg. {{overlay_filter}} ~> {{ overlay_filter }} to stay consistent with how I reference them through out the rest of the theme?
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Anything else? How do you handle documentation given it's in a different branch? |
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Thanks and merged! On my todo list was to add an transparent black overlay by default, but your PR is much better as it offers more flexibility. Thanks again. |
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No, thank you for an awesome project. |
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The
overlay_filterparam lets you darken or otherwise filter the hero header picture to make the text content pop out more.You can use it by specifying the opacity (between 0 and 1) of a black overlay like so:
Or if you want to do more fancy things, go full rgba: