33 lines
1.3 KiB
HTML
33 lines
1.3 KiB
HTML
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{{- /* Expects .image (resolved image resource), optionally .processes and .filter */}}
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{{- $image := .image }}
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{{- range .processes }}
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{{- $image = $image.Process . }}
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{{- end }}
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{{- with .filter }}
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{{- $filters := slice }}
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{{- range . }}
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{{- range $method, $args := . }}
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{{/* No, this cannot be generalised, as strings cannot be converted to functions... */}}
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{{- if eq $method "GaussianBlur" }}
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{{- $filters = $filters | append (images.GaussianBlur $args) }}
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{{- else if eq $method "Brightness" }}
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{{- $filters = $filters | append (images.Brightness $args) }}
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{{- else if eq $method "Opacity" }}
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{{- $filters = $filters | append (images.Opacity $args) }}
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{{- else if eq $method "Pixelate" }}
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{{- $filters = $filters | append (images.Pixelate $args) }}
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{{- else if eq $method "Saturation" }}
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{{- $filters = $filters | append (images.Saturation $args) }}
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{{- else if eq $method "Sepia" }}
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{{- $filters = $filters | append (images.Sepia $args) }}
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{{- else if eq $method "Grayscale" }}
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{{- $filters = $filters | append images.Grayscale }}
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{{- else }}
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{{- warnf "Unsupported filter: %s" $method }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- $image = $image.Filter $filters }}
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{{- end }}
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{{- return $image }}
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