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added function to set viewport after croppie was instantiated #664

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added function to set viewport after croppie was instantiated #664

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472efc0
added function to set viewport after croppie was instantiated
mokraemer Jul 1, 2019
1f6770d
added documentation
mokraemer Jul 1, 2019
513fadc
Fix resulting image, if centerpoint and zoom not called in the correc…
mokraemer Jul 2, 2019
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24 changes: 24 additions & 0 deletions croppie.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1538,6 +1538,26 @@
};
}

/** Update viewport to new dimensions
* @param w int new width in px
* @param h int new height in px
*/
function _setViewport(w, h) {
var self = this;

self.options.viewport.height = h;
self.options.viewport.width = w;
css(self.elements.viewport, {
height: self.options.viewport.height + 'px',
width: self.options.viewport.width + 'px'
});

_updateOverlay.call(self);
_updateCenterPoint.call(self);
_updateZoomLimits.call(self);
_triggerUpdate.call(self);
}

function Croppie(element, opts) {
if (element.className.indexOf('croppie-container') > -1) {
throw new Error("Croppie: Can't initialize croppie more than once");
Expand Down Expand Up @@ -1630,6 +1650,10 @@
},
destroy: function () {
return _destroy.call(this);
},
/** update viewport to new dimensions */
setViewport: function (widthVP, heightVP) {
_setViewport.call(this, widthVP, heightVP);
}
});
return Croppie;
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12 changes: 12 additions & 0 deletions index.html
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Expand Up @@ -278,6 +278,18 @@ <h3>Methods</h3>
</li>
</ul>
</li>
<li id="setViewPort">
<strong class="focus">setViewPort(width, height)</strong><em></em>
<p>Set the viewport of a Croppie instance. The width and height are the new values set to the viewport.</p>
<ul class="parameter-list">
<li>
<code class="language-javascript">width</code> the new width for the viewport.
</li>
<li>
<code class="language-javascript">height</code> the new height for the viewport.
</li>
</ul>
</li>
</ul>
</section>
<section>
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