使用 Pica 的 Fineuploader drawThumbnail
Fineuploader drawThumbnail with Pica
我是 Fineuploader 的新手,并且将这个很棒的上传器与 Pica 一起用于图像缩放。 Pica 适用于缩放和缩略图。
scaling: {
sendOriginal: false,
hideScaled: false,
sizes: [
{name: "a", maxSize: 200},
{name: "b", maxSize: 600},
{name: "c", maxSize: 1000}
],
customResizer: !qq.ios() && function(resizeInfo) {
return new Promise(function(resolve, reject) {
pica.debug = console.log.bind(console),
pica.resizeCanvas(resizeInfo.sourceCanvas, resizeInfo.targetCanvas, {}, resolve)
})
}
}, thumbnails: {
customResizer: !qq.ios() && function(resizeInfo) {
return new Promise(function(resolve, reject) {
pica.resizeCanvas(resizeInfo.sourceCanvas, resizeInfo.targetCanvas, {}, resolve)
})
}
}
但是,我需要将缩略图绘制到其他地方。我试过谷歌搜索并浏览 Fineuploader 的文档,但仍然没有用 drawThumbnails 制作 Pica 运行。
Fineuploader 的文档
drawThumbnail (id, targetContainer[, maxSize[, fromServer[, customResizer]]])
我当前的代码
var canvas = document.createElement('canvas');
canvas.width = 300;
canvas.height = 200;
$(".frame").html(canvas);
uploader.drawThumbnail(id, canvas, 300, false);
如果有人可以指导我修改当前代码以使用 Pica 制作 drawThumbnail 运行,那就太好了,谢谢。
正如您在问题中指出的那样,文档显示了在使用 drawThumbnail
:
时如何使用备用调整器功能
drawThumbnail(id, targetContainer[, maxSize[, fromServer[, customResizer]]])
...因此,您的代码将如下所示:
var canvas = document.createElement('canvas')
var customResizer = function(resizeInfo) {
return new Promise(function(resolve, reject) {
pica.resizeCanvas(
resizeInfo.sourceCanvas,
resizeInfo.targetCanvas,
{},
resolve
)
})
}
canvas.width = 300;
canvas.height = 200;
$(".frame").html(canvas);
uploader.drawThumbnail(id, canvas, 300, false, !qq.ios() && customResizer);
我是 Fineuploader 的新手,并且将这个很棒的上传器与 Pica 一起用于图像缩放。 Pica 适用于缩放和缩略图。
scaling: {
sendOriginal: false,
hideScaled: false,
sizes: [
{name: "a", maxSize: 200},
{name: "b", maxSize: 600},
{name: "c", maxSize: 1000}
],
customResizer: !qq.ios() && function(resizeInfo) {
return new Promise(function(resolve, reject) {
pica.debug = console.log.bind(console),
pica.resizeCanvas(resizeInfo.sourceCanvas, resizeInfo.targetCanvas, {}, resolve)
})
}
}, thumbnails: {
customResizer: !qq.ios() && function(resizeInfo) {
return new Promise(function(resolve, reject) {
pica.resizeCanvas(resizeInfo.sourceCanvas, resizeInfo.targetCanvas, {}, resolve)
})
}
}
但是,我需要将缩略图绘制到其他地方。我试过谷歌搜索并浏览 Fineuploader 的文档,但仍然没有用 drawThumbnails 制作 Pica 运行。
Fineuploader 的文档
drawThumbnail (id, targetContainer[, maxSize[, fromServer[, customResizer]]])
我当前的代码
var canvas = document.createElement('canvas');
canvas.width = 300;
canvas.height = 200;
$(".frame").html(canvas);
uploader.drawThumbnail(id, canvas, 300, false);
如果有人可以指导我修改当前代码以使用 Pica 制作 drawThumbnail 运行,那就太好了,谢谢。
正如您在问题中指出的那样,文档显示了在使用 drawThumbnail
:
drawThumbnail(id, targetContainer[, maxSize[, fromServer[, customResizer]]])
...因此,您的代码将如下所示:
var canvas = document.createElement('canvas')
var customResizer = function(resizeInfo) {
return new Promise(function(resolve, reject) {
pica.resizeCanvas(
resizeInfo.sourceCanvas,
resizeInfo.targetCanvas,
{},
resolve
)
})
}
canvas.width = 300;
canvas.height = 200;
$(".frame").html(canvas);
uploader.drawThumbnail(id, canvas, 300, false, !qq.ios() && customResizer);