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index.html
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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>amazing gif</title>
<script src="../dist/index.umd.js"></script>
<style>
#example2 {
width: 150px;
height: 100px;
}
</style>
</head>
<body>
<h1>amazing gif examples</h1>
<h2>example1: 播放 GIF</h2>
<div>
<div>
<label>滤镜：</label>
<select id="filter-select">
<option value="">--选择滤镜--</option>
<option value="grayscale">灰度</option>
<option value="blackAndWhite">黑白</option>
<option value="reverse">反向</option>
<option value="decolorizing">去色</option>
<option value="monochromeRed">单色红</option>
<option value="monochromeGreen">单色绿</option>
<option value="monochromeBlue">单色蓝</option>
<option value="nostalgic">怀旧</option>
<option value="cast">熔铸</option>
<option value="frozen">冰冻</option>
<option value="comic">连环画</option>
<option value="brown">褐色</option>
<option value="boxBlur">均值模糊</option>
</select>
</div>
<img id="example1" src="./assets/cat1.gif" alt="">
</div>
<h2>example2: 选择 GIF 文件播放</h2>
<div>
<label>滤镜：</label>
<select id="filter-select-2">
<option value="">--选择滤镜--</option>
<option value="grayscale">灰度</option>
<option value="blackAndWhite">黑白</option>
<option value="reverse">反向</option>
<option value="decolorizing">去色</option>
<option value="monochromeRed">单色红</option>
<option value="monochromeGreen">单色绿</option>
<option value="monochromeBlue">单色蓝</option>
<option value="nostalgic">怀旧</option>
<option value="cast">熔铸</option>
<option value="frozen">冰冻</option>
<option value="comic">连环画</option>
<option value="brown">褐色</option>
<option value="boxBlur">均值模糊</option>
</select>
</div>
<div>
<label for="choose-input">选择文件</label>
<input type="file" accept=".gif" id="choose-input">
</div>
<div>
<img id="example2" src="./assets/sample2-cover.jpg" alt="">
</div>
<h2>example3: 合成 example1 的 GIF</h2>
<div>
<button id="build-gif">合成 gif</button>
</div>
<script>
// 样例1
let amz1 = null
const exel1 = document.querySelector('#example1')
exel1.addEventListener('load', () => {
amz1 = new AMZGif.GifPlayer({
el: '#example1',
src: './assets/cat1.gif',
speed: 1,
auto: true,
skin: 'basic',
loop: false
})
// 切换滤镜
const filterSelect = document.querySelector('#filter-select')
filterSelect.addEventListener('change', changeFilter)
function changeFilter() {
amz1._config.filter = AMZGif.filters[filterSelect.value]
}
})
// 样例2
let amz2 = null
const filterSelect2 = document.querySelector('#filter-select-2')
filterSelect2.addEventListener('change', changeFilter2)
function changeFilter2() {
if (!amz2) {
return window.alert('请先选择gif文件')
}
amz2._config.filter = AMZGif.filters[filterSelect2.value]
}
const fileInput = document.querySelector('#choose-input')
fileInput.addEventListener('change', changeFile)
function changeFile(e) {
console.log(e)
if (e.target.files[0]) {
amz2 = new AMZGif.GifPlayer({
el: '#example2',
src: '',
httpRequest: () => {
return new Promise((resolve, reject) => {
// const fileR = new FileReader()
// fileR.onload = (f) => {
// resolve(f)
// }
resolve(e.target.files[0])
})
},
auto: true,
loop: true,
skin: 'basic'
})
}
}
// 生成 gif
const buildBtn = document.querySelector('#build-gif')
buildBtn.addEventListener('click', async () => {
const res = await AMZGif.build({
repetition: 0,
dithering: true,
frames: amz1.gifData.frames.map(item => {
return {
imageData: item.canvasImageData,
delay: item.delay
// setLocalColorTable: true
}
})
})
console.log(res)
const blob = new Blob([res], { type: 'image/gif' })
const objUrl = URL.createObjectURL(blob)
window.open(objUrl)
})
</script>
</body>
</html>