经过几次测试,我以这种方式解决了它,绝对不是最好的方法,但目前它对我来说效果很好,我发布了一个答案,我不知道它是否可以帮助某人,或者只是给出想法......
我像这样初始化组件:
imageEditor = new tui.ImageEditor('#UBY_tui-image-editor-container', {
includeUI: {
loadImage: {
path: 'img/wallpaper.png',
name: 'wallpaper'
},
theme: blackTheme, // or whiteTheme
menu: ['crop', 'flip', 'rotate', 'draw', 'shape', 'icon', 'text', 'mask', 'filter'],
initMenu: 'filter',
uiSize: {
width: '100%',
height: '400px'
},
menuBarPosition: 'bottom'
},
selectionStyle: {
cornerSize: 5,
rotatingPointOffset: 70
}
});
像这样对 .css 进行一个小改动:
.tui-image-editor {
width: 300px;
height: 90px;
overflow: hidden;
}
.tui-image-editor-container {
margin: 0;
padding: 0;
box-sizing: border-box;
min-height: 300px;
height: 100%;
position: relative;
background-color: #282828;
overflow: hidden;
letter-spacing: 0.3px;
}
然而,这一切仍然不能解决我将图像保存为既定尺寸的问题,因此在保存图像时,我做了这些操作......我调用这个函数来生成一个新的画布,然后用所需尺寸:
function uby_resize_imageEditor(_this, _width, _hight, callback) {
try {
var tempCanvas = document.createElement("CANVAS")
tempCanvas.width = _width;
tempCanvas.height = _hight;
var ctx = tempCanvas.getContext('2d');
var img = new Image();
img.src = _this;
img.onload = function () {
var offsetX = 0.5; // center x
var offsetY = 0.5; // center y
drawImageProp(ctx, img, 0, 0, _width, _hight, offsetX, offsetY);
var dataURL = tempCanvas.toDataURL();
callback(dataURL)
};
} catch (error) {
errori_inSave = true
}
}
/**
* By Ken Fyrstenberg Nilsen
*
* drawImageProp(context, image [, x, y, width, height [,offsetX, offsetY]])
*
* If image and context are only arguments rectangle will equal canvas
*/
function drawImageProp(ctx, img, x, y, w, h, offsetX, offsetY) {
if (arguments.length === 2) {
x = y = 0;
w = ctx.canvas.width;
h = ctx.canvas.height;
}
// default offset is center
offsetX = typeof offsetX === "number" ? offsetX : 0.5;
offsetY = typeof offsetY === "number" ? offsetY : 0.5;
// keep bounds [0.0, 1.0]
if (offsetX < 0) offsetX = 0;
if (offsetY < 0) offsetY = 0;
if (offsetX > 1) offsetX = 1;
if (offsetY > 1) offsetY = 1;
var iw = img.width,
ih = img.height,
r = Math.min(w / iw, h / ih),
nw = iw * r, // new prop. width
nh = ih * r, // new prop. height
cx, cy, cw, ch, ar = 1;
// decide which gap to fill
if (nw < w) ar = w / nw;
if (Math.abs(ar - 1) < 1e-14 && nh < h) ar = h / nh; // updated
nw *= ar;
nh *= ar;
// calc source rectangle
cw = iw / (nw / w);
ch = ih / (nh / h);
cx = (iw - cw) * offsetX;
cy = (ih - ch) * offsetY;
// make sure source rectangle is valid
if (cx < 0) cx = 0;
if (cy < 0) cy = 0;
if (cw > iw) cw = iw;
if (ch > ih) ch = ih;
// fill image in dest. rectangle
ctx.drawImage(img, cx, cy, cw, ch, x, y, w, h);
}
希望这可以帮助有这个问题的人。