用CSS新屬性實現特殊的圖片顯示效果
- 2019 年 10 月 5 日
- 筆記
1 概述
1.1 前言
使用一個或多個圖像相關的CSS屬性（background-blend-mode, mix-blend-mode, or filter）可以實現許多特殊的圖片顯示效果。本文轉載自Bennett Feely的個人網站，文中共列舉了20種圖片顯示效果。
詳細代碼及英文原文請訪問Bennett Feely的主頁。
2 效果列表
2.1 鉛筆畫效果
效果示例
SCSS代碼
.pencil-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (filter: invert(1)) and (background-blend-mode: difference) { background-image: $url, $url; background-blend-mode: difference; background-position: calc(50% - 1px) calc(50% - 1px), calc(50% + 1px) calc(50% + 1px); filter: brightness(2) invert(1) grayscale(1); box-shadow: inset 0 0 0 1px black; } }
2.2 水彩效果
效果示例
SCSS代碼
.watercolor-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (filter: blur(2px)) and (mix-blend-mode: multiply) { position: relative; overflow: hidden; &:before, &:after { display: block; content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-size: cover; } &:before { background-image: $url, $url; background-blend-mode: difference; background-position: calc(50% - 1px) calc(50% - 1px), calc(50% + 1px) calc(50% + 1px); filter: brightness(2) invert(1) grayscale(1); box-shadow: inset 0 0 0 1px black; } &:after { background-image: $url; background-position: center; mix-blend-mode: multiply; filter: brightness(1.3) blur(2px) contrast(2); } } }
2.3 浮雕效果
效果示例
SCSS代碼
.emboss-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (filter: invert(1)) and (background-blend-mode: difference, screen) { background-image: $url, $url, $url; background-blend-mode: difference, screen; background-position: calc(50% - 1px) calc(50% - 1px), calc(50% + 1px) calc(50% + 1px), center; filter: brightness(2) invert(1) grayscale(1); } }
2.4 彩鉛效果
效果示例
SCSS代碼
.colored-pencil-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (filter: invert(1)) and (mix-blend-mode: color) { position: relative; &:before, &:after { display: block; content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-size: cover; box-shadow: inset 0 0 0 1px black; } &:before { background-image: $url, $url; background-blend-mode: difference; background-position: calc(50% - 1px) calc(50% - 1px), calc(50% + 1px) calc(50% + 1px); filter: brightness(2) invert(1) grayscale(1); } &:after { background: inherit; mix-blend-mode: color; } } }
2.5 黑板效果
效果示例
SCSS代碼
.chalkboard-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (filter: grayscale(1)) and (background-blend-mode: difference) { background-image: $url, $url; background-blend-mode: difference; background-position: calc(50% - 1px) calc(50% - 1px), calc(50% + 1px) calc(50% + 1px); filter: brightness(1.5) grayscale(1); } }
2.6 彩色黑板效果
效果示例
SCSS代碼
.colored-chalkboard-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (filter: brightness(2)) and (background-blend-mode: color, difference) { background-image: $url, $url, $url; background-size: cover; background-position: calc(50% - 1px) calc(50% - 1px), calc(50% + 1px) calc(50% + 1px), center; background-blend-mode: color, difference; filter: brightness(2); } }
2.7 噴槍效果
效果示例
SCSS代碼
.airbrush-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (filter: blur(5px) contrast(5)) and (mix-blend-mode: multiply) { position: relative; overflow: hidden; &:after { display: block; content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: inherit; filter: brightness(1.5) saturate(100) blur(5px) contrast(5); mix-blend-mode: multiply; } } }
2.8 絢爛效果
效果示例
SCSS代碼
.hallucination-effect { $url : url(photo.jpg); $offset : 5px; background-image: $url; background-size: cover; background-position: center; @supports (mix-blend-mode: multiply) { position: relative; overflow: hidden; background-color: magenta; background-blend-mode: screen; &:before, &:after { display: block; content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: inherit; mix-blend-mode: multiply; transform: scale(1.05); } &:before { background-color: yellow; background-blend-mode: screen; transform-origin: top left; } &:after { background-color: cyan; background-blend-mode: screen; transform-origin: bottom right; } } }
2.9 絨布效果
效果示例
SCSS代碼
.flannel-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (background-blend-mode: overlay) { background-image: $url, $url, $url; background-position: center; background-size: 100%, 100000% 100%, 100% 100000%; background-blend-mode: overlay; } }
2.10 水平低墨
效果示例
SCSS代碼
.low-ink-x-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (background-blend-mode: screen, overlay) { background-image: $url, $url, $url; background-size: 100% 100%, 10000% 100%; background-blend-mode: screen, overlay; } }
2.11 垂直低墨效果
效果示例
SCSS代碼
.low-ink-y-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (background-blend-mode: screen, overlay) { background-image: $url, $url, $url; background-size: 100% 100%, 100% 1000%; background-blend-mode: screen, overlay; } }
2.12 拼貼效果
效果示例
SCSS代碼
.collage-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (background-blend-mode: overlay) { background-image: $url, $url, $url, $url, $url, $url; background-size: 200%, 80%, 60%, 50%, 40%, 100%; background-position: 50%, 80%, 30%, 0; background-blend-mode: overlay; background-repeat: no-repeat; } }
2.13 馬賽克效果
效果示例
SCSS代碼
.mosaic-effect { $url : url(photo.jpg); background-image: $url, $url; background-size: cover, 5% 5%; background-position: center; background-blend-mode: overlay; }
2.14 圖片邊框效果
效果示例
SCSS代碼
.photo-border-effect { $url : url(photo.jpg); background-image: $url, $url; background-position: center; background-size: 60%, 20%; background-repeat: no-repeat, repeat; }
2.15 紅外效果
效果示例
SCSS代碼
.infrared-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; filter: hue-rotate(180deg) saturate(2); }
2.16 夜視效果
效果示例
SCSS代碼
.night-vision-effect { $url : url(photo.jpg); $line-width: 5px; background-image: $url , radial-gradient( #0F0, #000 ), repeating-linear-gradient( transparent 0, rgba(0,0,0,0.1) $line-width/2, transparent $line-width ); background-size: cover; background-position: center; background-blend-mode: overlay; }
2.17 沃霍爾效果
效果示例
SCSS代碼
.warhol-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (background-blend-mode: color) { background-image: linear-gradient( #14EBFF 0, #14EBFF 50%, #FFFF70 50%, #FFFF70 100% ), linear-gradient( #FF85DA 0, #FF85DA 50%, #AAA 50%, #AAA 100% ), $url; background-size: 50% 100%, 50% 100%, 50% 50%; background-position: top left, top right; background-repeat: no-repeat, no-repeat, repeat; background-blend-mode: color; } }
2.18 顏色校正效果
效果示例
SCSS代碼
.selective-color-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (filter: brightness(3)) and (mix-blend-mode: color) { position: relative; &:before, &:after { display: block; content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: inherit; background-color: red; background-blend-mode: screen; mix-blend-mode: color; filter: brightness(3); } } }
2.19 水平鏡像效果
效果示例
SCSS代碼
.mirror-x-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (transform: scaleX(-1)) { position: relative; &:before, &:after { display: block; content: ""; position: absolute; top: 0; bottom: 0; background: inherit; } &:before { left: 0; right: 50%; transform: scaleX(-1); } &:after { left: 50%; right: 0; } } }
2.20 垂直鏡像效果
效果示例
SCSS代碼
.mirror-y-effect { $url : url(photo.jpg); background-image: $url; background-size: cover; background-position: center; @supports (transform: scaleY(-1)) { position: relative; &:before, &:after { display: block; content: ""; position: absolute; left: 0; right: 0; background: inherit; } &:before { top: 0; bottom: 50%; transform: scaleY(-1); } &:after { top: 50%; bottom: 0; } } }
3 結尾
3.1 結語
詳細代碼及英文原文請訪問Bennett Feely的主頁。
本文轉載自Bennett Feely的個人網站，只做學習和交流使用。
