cody
9 months ago
parent
3403d6bbae
commit
2bbce67b29
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document.write('<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0' + (coverSupport ? ', viewport-fit=cover' : '') + '" />')</script><link rel=stylesheet href=/h5/static/index.883130ca.css></head><body><noscript><strong>Please enable JavaScript to continue.</strong></noscript><div id=app></div><script src=/h5/static/js/chunk-vendors.6295c31d.js></script><script src=/h5/static/js/index.173d8d01.js></script></body></html>
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|
||||
});
|
||||
}
|
||||
}
|
||||
} else {
|
||||
console.error("canvas no data");
|
||||
emit({
|
||||
"fail": "canvas no data"
|
||||
});
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
function save(param) {
|
||||
// delete param.success;
|
||||
// delete param.fail;
|
||||
clearTimeout(timer);
|
||||
timer = setTimeout(() => {
|
||||
let {
|
||||
fileType = 'png', quality = 1, n, destWidth = 0, destHeight = 0
|
||||
} = param
|
||||
const type = `image/${fileType}`.replace(/jpg/, 'jpeg');
|
||||
const {
|
||||
backgroundColor,
|
||||
landscape,
|
||||
boundingBox
|
||||
} = options
|
||||
const flag = backgroundColor || landscape || boundingBox || destWidth && destHeight
|
||||
let path = canvasEl.toDataURL(!flag && type, !flag && quality)
|
||||
if (flag) {
|
||||
let canvas = document.createElement('canvas')
|
||||
const pixelRatio = signature.canvas.get('pixelRatio')
|
||||
let width = signature.canvas.get('width')
|
||||
let height = signature.canvas.get('height')
|
||||
let x = 0
|
||||
let y = 0
|
||||
|
||||
const next = () => {
|
||||
const size = [width, height]
|
||||
if (landscape) {
|
||||
size.reverse()
|
||||
}
|
||||
canvas.width = size[0] * pixelRatio
|
||||
canvas.height = size[1] * pixelRatio
|
||||
const param = [x, y, width, height, 0, 0, width, height].map(item => item * pixelRatio)
|
||||
const context = canvas.getContext('2d')
|
||||
// context.scale(pixelRatio, pixelRatio)
|
||||
if (landscape) {
|
||||
context.translate(0, width * pixelRatio)
|
||||
context.rotate(-Math.PI / 2)
|
||||
}
|
||||
if (backgroundColor && !isTransparent(backgroundColor)) {
|
||||
context.fillStyle = backgroundColor
|
||||
context.fillRect(0, 0, width * pixelRatio, height * pixelRatio)
|
||||
}
|
||||
const drawImage = () => {
|
||||
|
||||
}
|
||||
// param
|
||||
context.drawImage(signature.canvas.get('el'), ...param)
|
||||
if (destWidth && destHeight) {
|
||||
const _canvas = document.createElement('canvas')
|
||||
_canvas.width = destWidth
|
||||
_canvas.height = destHeight
|
||||
const _context = _canvas.getContext('2d')
|
||||
_context.drawImage(canvas, 0, 0, destWidth, destHeight)
|
||||
canvas.remove()
|
||||
canvas = _canvas
|
||||
}
|
||||
path = canvas.toDataURL(type, quality)
|
||||
canvas.remove()
|
||||
}
|
||||
if (boundingBox) {
|
||||
const res = signature.getContentBoundingBox()
|
||||
width = res.width
|
||||
height = res.height
|
||||
x = res.startX
|
||||
y = res.startY
|
||||
next()
|
||||
} else {
|
||||
next()
|
||||
}
|
||||
}
|
||||
if (typeof path == "string") {
|
||||
const index = Math.ceil(path.length / 8);
|
||||
for (var i = 0; i < 8; i++) {
|
||||
if (i == 7) {
|
||||
emit({
|
||||
"success": path.substr(i * index, index)
|
||||
});
|
||||
} else {
|
||||
emit({
|
||||
"file": path.substr(i * index, index)
|
||||
});
|
||||
}
|
||||
}
|
||||
} else {
|
||||
console.error("canvas no data");
|
||||
emit({
|
||||
"fail": "canvas no data"
|
||||
});
|
||||
}
|
||||
}, 30);
|
||||
}
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
Loading…
Reference in new issue