/*
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* Method which inserts a full background-image property for a theme image.
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* It checks if the file exists and if it doesn't, it'll throw an error.
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* By default it will not include the background-image property if it is not found,
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* but this can be changed by changing the default value of $include-missing-images to
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* be true.
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*/
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@function theme-background-image($path, $extension: $image-extension, $nocheck: false) {
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$path: file_join($relative-image-path-for-uis, $path + '.' + $extension);
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$background-image: none;
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@if $path {
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@if $nocheck {
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$background-image: $path;
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} @else if theme_image_exists($image-search-path, $path) {
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$background-image: $path;
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} @else {
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@warn "@theme-background-image: Theme image not found: #{$path}";
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@if $include-missing-images {
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$background-image: $path;
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}
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}
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@if $background-image != none {
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$background-image: url(file_join($theme-resource-path, $path));
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}
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} @else {
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@warn "@theme-background-image: No arguments passed";
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}
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@return $background-image;
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}
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