Created
December 5, 2011 06:27
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FREE! Sass (SCSS) mixin for including retina images (useful when developing for iOS).
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@mixin background-image-retina($file, $type, $width, $height) { | |
background-image: url($file + '.' + $type); | |
@media (-webkit-min-device-pixel-ratio: 2), (-moz-min-device-pixel-ratio: 2) { | |
& { | |
background-image: url($file + '@2x.' + $type); | |
-webkit-background-size: $width $height; | |
} | |
} | |
} | |
// Example | |
#foo { | |
@include background-image-retina('foobar', 'png', 10px, 20px); | |
background: repeat; | |
} |
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#foo { | |
background-image: url("foobar.png"); | |
background: repeat; } | |
@media (-webkit-min-device-pixel-ratio: 2) { | |
#foo { | |
background-image: url("foobar@2x.png"); | |
-webkit-background-size: 10px 20px; } } |
hi, how can i add image url path to this mixin ?
-moz-min-device-pixel-ratio should be min--moz-device-pixel-ratio
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This is great. Agree with Bobz-zg on using image-url. I also made $width and $height optional by defaulting to 100% since that's a common value for a background image that is taking up the full dimensions of its element.
Using scss mixin for background-size also and including non-vendor min-device-pixel-ratio too for future-proofing.