kevin/contain-element
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Add new external functions to return the current width and height, and update the description of the getWidth and getHeight functions to make it more clear that they return the original width and height supplied for the element

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Kevin MacMartin 2017-07-14 14:20:53 -04:00
parent 7dae4c63fa
commit 23a7babcfb
3 changed files with 13 additions and 5 deletions
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6
README.md
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@ -45,8 +45,10 @@ window.onload = function() {
* `setValign(valign)`: Set the vertical alignment (run `update()` to apply).
* `setHalign(halign)`: Set the horizontal alignment (run `update()` to apply).
* `setFit(fit)`: Set the object fit (run `update()` to apply).
* `getWidth()`: Return the current width.
* `getHeight()`: Return the current height.
* `getWidth()`: Return the element width.
* `getHeight()`: Return the element height.
* `getCurrentWidth()`: Return the current width.
* `getCurrentHeight()`: Return the current height.
* `getValign()`: Return the current vertical alignment.
* `getHalign()`: Return the current horizontal alignment.
* `getFit()`: Return the current object fit.

10
contain-element.js
View file

@ -121,12 +121,18 @@ function ContainElement(options) {
// External function to set fit
this.setFit = function(newFit) { fit = newFit; };
// External function to return the current elementWidth
// External function to return the elementWidth
this.getWidth = function() { return elementWidth; };
// External function to return the current elementHeight
// External function to return the elementHeight
this.getHeight = function() { return elementHeight; };
// External function to return the current width
this.getCurrentWidth = function() { return scaleFactor * elementWidth; };
// External function to return the current height
this.getCurrentHeight = function() { return scaleFactor * elementHeight; };
// External function to return the current valign
this.getValign = function() { return valign; };

2
contain-element.min.js vendored
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@ -1 +1 @@
function ContainElement(t){function e(){var t=n.parentElement.offsetWidth,h=n.parentElement.offsetHeight;if(t&&h){if(i="cover"===r?t>h/l*s?t/s:h/l:"contain"===r?h>t/s*l?t/s:h/l:1,a?n.style.transform="scale("+i+")":(n.style.width=s*i+"px",n.style.height=l*i+"px"),t!==s*i)switch(f){case"left":n.style.left="0px";break;case"right":n.style.left=0-(s*i-t)+"px";break;default:n.style.left=0-(s*i-t)/2+"px"}else n.style.left="0px";if(h!==l*i)switch(o){case"top":n.style.top="0px";break;case"bottom":n.style.top=0-(l*i-h)+"px";break;default:n.style.top=0-(l*i-h)/2+"px"}else n.style.top="0px"}else window.setTimeout(e,30)}var i=1,n=t.element||document.getElementById(t.id),s=t.width||n.offsetWidth,l=t.height||n.offsetHeight,o=t.valign||"center",f=t.halign||"center",r=t.fit||"cover",a=t.scale;n.style.position="absolute",n.parentElement.style.overflow="hidden",a&&(n.style.transformOrigin="left top"),-1===["relative","absolute","fixed"].indexOf(window.getComputedStyle(n.parentElement,null).getPropertyValue("position"))&&(n.parentElement.style.position="relative"),e(),this.update=e,this.setWidth=function(t){s=t},this.setHeight=function(t){l=t},this.setValign=function(t){o=t},this.setHalign=function(t){f=t},this.setFit=function(t){r=t},this.getWidth=function(){return s},this.getHeight=function(){return l},this.getValign=function(){return o},this.getHalign=function(){return f},this.getFit=function(){return r},this.getScale=function(){return i}}
function ContainElement(t){function e(){var t=n.parentElement.offsetWidth,h=n.parentElement.offsetHeight;if(t&&h){if(i="cover"===f?t>h/l*s?t/s:h/l:"contain"===f?h>t/s*l?t/s:h/l:1,a?n.style.transform="scale("+i+")":(n.style.width=s*i+"px",n.style.height=l*i+"px"),t!==s*i)switch(r){case"left":n.style.left="0px";break;case"right":n.style.left=0-(s*i-t)+"px";break;default:n.style.left=0-(s*i-t)/2+"px"}else n.style.left="0px";if(h!==l*i)switch(o){case"top":n.style.top="0px";break;case"bottom":n.style.top=0-(l*i-h)+"px";break;default:n.style.top=0-(l*i-h)/2+"px"}else n.style.top="0px"}else window.setTimeout(e,30)}var i=1,n=t.element||document.getElementById(t.id),s=t.width||n.offsetWidth,l=t.height||n.offsetHeight,o=t.valign||"center",r=t.halign||"center",f=t.fit||"cover",a=t.scale;n.style.position="absolute",n.parentElement.style.overflow="hidden",a&&(n.style.transformOrigin="left top"),-1===["relative","absolute","fixed"].indexOf(window.getComputedStyle(n.parentElement,null).getPropertyValue("position"))&&(n.parentElement.style.position="relative"),e(),this.update=e,this.setWidth=function(t){s=t},this.setHeight=function(t){l=t},this.setValign=function(t){o=t},this.setHalign=function(t){r=t},this.setFit=function(t){f=t},this.getWidth=function(){return s},this.getHeight=function(){return l},this.getCurrentWidth=function(){return i*s},this.getCurrentHeight=function(){return i*l},this.getValign=function(){return o},this.getHalign=function(){return r},this.getFit=function(){return f},this.getScale=function(){return i}}