Reducing opacity of swipe images

Question

Reducing opacity of swipe images

Donald Symmons 2,226

How do I reduce the opacity of images in a swiper container, except for the image that is swiped to display in the middle?

For example, as the images are swiping through, any image that appear in the middle will be clear while the other ones beside will appear blurry, and so on.

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <meta charset="utf-8" />
    <title>Swiper demo</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1" />
    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.0.5/js/swiper.min.js"></script>
    <link type="text/css" rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/Swiper/4.0.5/css/swiper.css" />
    <!-- Demo styles -->
    <style type="text/css">
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        .swiper-container {
            width: 100%;
            padding-top: 50px;
            padding-bottom: 50px;
        }

        .swiper-slide {
            background-position: center;
            background-size: cover;
            width: 320px;
            background-color: #fff;
            overflow: hidden;
            border-radius: 8px;
        }

        .picture {
            width: 320px;
            height: 320px;
            overflow: hidden;
        }

            .picture img {
                display: block;
                width: 100%;
                height: 100%;
                object-fit: cover;
            }
    </style>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <div class="swiper-container">
                <!-- Additional required wrapper -->
                <div class="swiper-wrapper">
                    <!-- Slides -->
                    <div class="swiper-slide">
                        <div class="picture">

                            <img src="images/A/customer-support.JPG" />
                        </div>
                    </div>
                    <div class="swiper-slide">
                        <div class="picture">
                            <img src="images/A/customer-support.JPG" />
                        </div>
                    </div>
                    <div class="swiper-slide">
                        <div class="picture">
                            <img src="images/A/customer-support.JPG" />
                        </div>
                    </div>
                </div>
                <!-- If we need pagination -->
                <div class="swiper-pagination"></div>
                <!-- If we need navigation buttons -->
                <!--     <div class="swiper-button-prev"></div> -->
                <!--     <div class="swiper-button-next"></div> -->

                <!-- If we need scrollbar -->
                <div class="swiper-scrollbar"></div>
            </div>
            <!-- Initialize Swiper -->
            <script type="text/javascript">
                var swiper = new Swiper(".swiper-container", {
                    effect: "coverflow",
                    grabCursor: true,
                    centeredSlides: true,
                    slidesPerView: "auto",
                    autoplay: true,
                    speed: 500,
                    coverflowEffect: {
                        rotate: 20,
                        stretch: 0,
                        depth: 350,
                        modifier: 1,
                        slideShadows: true
                    },
                    pagination: {
                        el: ".swiper-pagination"
                    }
                });               
            </script>
        </div>
    </form>
</body>
</html>

Answer 1

Hi @Donald Symmons,

The Swiper Coverflow Effect does not include an opacity property, but I think you could achieve a similar result by setting a depth property.

https://swiperjs.com/swiper-api#coverflow-effect

The code below includes some modifications to the Coverflow effect parameters.

<script type="text/javascript">
    var swiper = new Swiper(".swiper-container", {
        effect: "coverflow",
        grabCursor: true,
        centeredSlides: true,
        slidesPerView: "auto",
        autoplay: true,
        speed: 500,
        coverflowEffect: {
            rotate: 0,
            stretch: 80,
            depth: 500,
            modifier:1 ,
            slideShadows: true,             
        },
        pagination: {
            el: ".swiper-pagination"
        }
    });
</script>

The screenshot below is the rendered result.

User's image

Best regards,
Lan Huang

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Answer 2

Bruce (SqlWork.com) 49,051

this is a third party library and not supported by this site. that said, it sounds like you want the fade effect:

https://swiperjs.com/swiper-api#fade-effect

Reducing opacity of swipe images

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