initPreview: function () {
var crossOrigin = getCrossOrigin(this.crossOrigin);
var url = crossOrigin ? this.crossOriginUrl : this.url;
var $clone2;
this.$preview = $(this.options.preview);
this.$clone2 = $clone2 = $('<img' + crossOrigin + ' src="' + url + '">');
this.$viewBox.html($clone2);
this.$preview.each(function () {
var $this = $(this);
// Save the original size for recover
$this.data(DATA_PREVIEW, {
width: $this.width(),
height: $this.height(),
html: $this.html()
});
/**
* Override img element styles
* Add `display:block` to avoid margin top issue
* (Occur only when margin-top <= -height)
*/
$this.html(
'<img' + crossOrigin + ' src="' + url + '" style="' +
'display:block;width:100%;height:auto;' +
'min-width:0!important;min-height:0!important;' +
'max-width:none!important;max-height:none!important;' +
'image-orientation:0deg!important;">'
);
});
},
resetPreview: function () {
this.$preview.each(function () {
var $this = $(this);
var data = $this.data(DATA_PREVIEW);
$this.css({
width: data.width,
height: data.height
}).html(data.html).removeData(DATA_PREVIEW);
});
},
preview: function () {
var image = this.image;
var canvas = this.canvas;
var cropBox = this.cropBox;
var cropBoxWidth = cropBox.width;
var cropBoxHeight = cropBox.height;
var width = image.width;
var height = image.height;
var left = cropBox.left - canvas.left - image.left;
var top = cropBox.top - canvas.top - image.top;
if (!this.isCropped || this.isDisabled) {
return;
}
this.$clone2.css({
width: width,
height: height,
marginLeft: -left,
marginTop: -top,
transform: getTransform(image)
});
this.$preview.each(function () {
var $this = $(this);
var data = $this.data(DATA_PREVIEW);
var originalWidth = data.width;
var originalHeight = data.height;
var newWidth = originalWidth;
var newHeight = originalHeight;
var ratio = 1;
if (cropBoxWidth) {
ratio = originalWidth / cropBoxWidth;
newHeight = cropBoxHeight * ratio;
}
if (cropBoxHeight && newHeight > originalHeight) {
ratio = originalHeight / cropBoxHeight;
newWidth = cropBoxWidth * ratio;
newHeight = originalHeight;
}
$this.css({
width: newWidth,
height: newHeight
}).find('img').css({
width: width * ratio,
height: height * ratio,
marginLeft: -left * ratio,
marginTop: -top * ratio,
transform: getTransform(image)
});
});
},
|
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