[FR] Request for watermark support

[erutan]

Coming in with a feature request per request from #craftcms on slack (I'm apparently the second person today that wants this functionality). Thanks!

[davidhellmann]

Sounds good! I've posted an Article on medium how we use watermarks or sharing images with logos. https://medium.com/webdevs/craft-cms-create-custom-share-images-with-your-company-logo-cb09d9ccb700

We create our Share Images and add a logo within it:

And here is another example: I merge two Images. This inside the Screen is the "Watermark"

Options requests

• Option to choose an second image
• width and height fields for the second image
• postion vertical and horizontal field for the second image (like: top-left, top-center, top-right, center-left, center-center, center-right, bottom-left, bottom-center, bottom-right
• offset x/y field to to accurate positioning

It's not the very very important feature but on other hands its really good to do a bit unique stuff with images especially with share images

[davidhellmann]

@khalwat First of all here is the code that I use. It's a bit mess but it works. The question is how can we combine that with SeoMatic?

My Thoughts:

Every IO Field should have this: Fields below the lightswitch just visible when it's on

I need it just to create the OG Images Twitter / Facebook. Don't know if its a IO Feature or more a Seomatic Feature? What you think?

Don't know how the optimal way to bring it from IO to SeoMatic?

{# -- Custom Social Image -- #}
  {% if (
  (entry.entryImage ?? null) or
  (seomaticSiteMeta.siteSeoImage is defined and seomaticSiteMeta.siteSeoImage | length )
  ) and (logo.globalLogo is defined and logo.globalLogo | length) %}

    {# -- Set Logo -- #}
    {% set logo = logo.globalLogo.first() %}

    {# -- Imager: Watermark Image -- #}
    {% set watermarkImage = craft.imager.transformImage(logo, [
        {
            width: 100,
            height: 100
        }], {
            jpegQuality: 100,
        })
    %}

    {# -- Watermark Image URL -- #}
    {% set watermarkImage = watermarkImage[0].url %}

    {# -- Check if Entry Image exists or use the default SEO Image -- #}
    {% if entry.entryImage | length %}
      {% set image = entry.entryImage.first() %}
    {% else %}
      {% set image = seomaticSiteMeta.siteSeoImage %}
    {% endif %}

    {# -- Check if Focal Point is set else use center center -- #}
    {% if image.settingsFocalPoint is defined %}
      {% set position = image.settingsFocalPoint %}
    {% else %}
      {% set position = '50% 50%' %}
    {% endif %}

    {# -- Imager: Entry / Default Image -- #}
    {% set imageEntry = craft.imager.transformImage(image, [
    {
        width: 1200,
        height: 630
    }], {
        jpegQuality: 100,
        mode: 'crop',
        position: position
    })
    %}

    {# -- Entry / Default Image URL -- #}
    {% set imageEntry = imageEntry[0].url %}

    {# -- Imager: Share Image -- #}
    {% set shareIamge = craft.imager.transformImage(imageEntry, [
    {
        width: 1200,
        height: 630
    }], {
        jpegQuality: 100,
        mode: 'crop',
        ratio: '',
        watermark: {
            image: watermarkImage,
            width: 100,
            height: 100,
            position: {
            left: 30,
            bottom: 30,
            opacity: 0.8
        }
    }
    })
    %}

    {# -- Share Image URL -- #}
    {% set shareIamge = shareIamge[0].url %}

    {# -- If Share Image exists -- #}
    {% if shareIamge | length %}

      {# -- Set Twitter Share Image -- #}
      {% if seomaticMeta.twitter is defined and seomaticMeta.twitter is not empty %}
        {% set twitter = seomaticMeta.twitter %}
        {% set twitter = twitter | merge({'image': siteUrl|trim('/', 'right') ~ shareIamge}) %}
        {% set seomaticMeta = seomaticMeta | merge({'twitter': twitter}) %}
      {% endif %}

      {# -- Set Default Share Image -- #}
      {% set seomaticMeta = seomaticMeta | merge({'seoImage': siteUrl|trim('/', 'right') ~ shareIamge}) %}

      {# -- Set Facebook Share Image -- #}
      {% if seomaticMeta.og is defined and seomaticMeta.og is not empty %}
        {% set og = seomaticMeta.og %}
        {% set og = og | merge({
        'image': siteUrl|trim('/', 'right') ~ shareIamge,
        'image:width': '1200',
        'image:height': '630',
        'image:type': 'image/jpeg'
        }) %}
        {% set seomaticMeta = seomaticMeta | merge({'og': og}) %}
      {% endif %}
    {% endif %}
  {% endif %}

[davidhellmann]

Every Entry has an Entry Image:

This is my Image that I use to place the Watermark on it.

I think the option above is a good start point and a good solution to brand all images (maybe it needs a option to set a min size where watermarks be added) but the OG:Image, I think that's more a part to do that directly within the code or Seomatic and IO have a point of intersection.

[davidhellmann]

Update the Fields

Thought about it again. I think to have watermarks on all images it's a fine solution. But for my Share Images that's more a Part within the Templates cause it's a bit to specific to append it to an image field. I don't need a Share Image from every Image.

Here is also the Updated Code. Think I create a Preparse Field to get it out of the Templates…

{# -- New Version -- #}

{# -- Share Image -- #}
  {% if entry ?? null and entry.entryImage.one() ?? null and watermark.globalWatermark.one() ?? null %}
    {% set watermarkField = watermark.globalWatermark.one() %}

    {# -- Check if Watermark Using active -- #}
    {% if watermarkField.useWatermark %}

      {# -- Watermark Image -- #}
      {% if watermarkField.image.one() ?? null %}
        {% set watermarkImage = watermarkField.image.one() %}
        {% set watermarkWidth = watermarkField.width %}
        {% set watermarkHeight = watermarkField.height %}
        {% set watermarkOpacity = watermarkField.opacity + 0 %}
        {% set watermarkOffsetX = watermarkField.offsetXAxis %}
        {% set watermarkOffsetY = watermarkField.offsetYAxis %}

        {# -- Imager: Watermark Image -- #}
        {% set watermarkImage = craft.imager.transformImage(watermarkImage, [
          { width: watermarkWidth, height: watermarkHeight }
        ], {
          jpegQuality: 100
        }) %}

        {# -- Watermark Image URL -- #}
        {% set watermarkImageUrl = watermarkImage[0].url %}
      {% endif %}

      {# -- Image Settings -- #}
      {% set entryImage = entry.entryImage.one() %}
      {% set focalpoint = entryImage.getFocalpoint('asCss') | default('50% 50%') %}

      {# -- Facebook -- #}
      {% set entryImageFacebook = craft.imager.transformImage(entryImage, [
        { width: 1200, height: 630 }
      ], {
        jpegQuality: 100,
        mode: 'crop',
        position: focalpoint
      }) %}

      {% set entryImageFacebookUrl = entryImageFacebook[0].url %}

      {# -- Imager: Share Image -- #}
      {% set shareIamgeFacebook = craft.imager.transformImage(entryImageFacebookUrl, [
        {
          width: 1200,
          height: 630
        }], {
        jpegQuality: 100,
        mode: 'crop',
        ratio: '',
        watermark: {
          image: watermarkImageUrl,
          width: watermarkWidth,
          height: watermarkHeight,
          position: {
            right: watermarkOffsetX,
            bottom: watermarkOffsetY
          },
          opacity: watermarkOpacity
        }
      }) %}

      {% set shareIamgeFacebookUrl = shareIamgeFacebook[0].url %}

      {# -- Twitter -- #}
      {% set entryImageTwitter = craft.imager.transformImage(entryImage, [
        { width: 1120, height: 600 }
      ], {
        jpegQuality: 100,
        mode: 'crop',
        position: focalpoint
      }) %}

      {% set entryImageTwitterUrl = entryImageTwitter[0].url %}

      {# -- Imager: Share Image -- #}
      {% set shareIamgeTwitter = craft.imager.transformImage(entryImageTwitterUrl, [
        {
          width: 1120,
          height: 600
        }], {
        jpegQuality: 100,
        mode: 'crop',
        ratio: '',
        watermark: {
          image: watermarkImageUrl,
          width: watermarkWidth,
          height: watermarkHeight,
          position: {
            right: watermarkOffsetX,
            bottom: watermarkOffsetY
          },
          opacity: watermarkOpacity
        }
      }) %}

      {% set shareIamgeTwitterUrl = shareIamgeTwitter[0].url %}

      <meta property="og:image" content="{{ shareIamgeFacebookUrl }}" />
      <meta property="og:image:type" content="image/jpeg" />
      <meta property="og:image:width" content="1200" />
      <meta property="og:image:height" content="630" />

      <meta name="twitter:card" content="summary_large_image" />
      <meta name="twitter:image" content="{{ shareIamgeTwitterUrl }}" />
    {% endif %}
  {% endif %}