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Add startX and startY options. #10

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Add startX and startY options. #10

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30dc9d3
feat: add startX & startY options
Mar 12, 2014
3458e34
Update readme
Mar 12, 2014
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8 changes: 8 additions & 0 deletions README.markdown
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,14 @@ Options
<td>targetHeight</td><td>integer</td><td>180</td><td>no</td>
<td>Height in pixels of the cropping window</td>
</tr>
<tr>
<td>startX</td><td>integer</td><td>null</td><td>no</td>
<td>Set start image position on X axis.</td>
</tr>
<tr>
<td>startY</td><td>integer</td><td>null</td><td>no</td>
<td>Set start image position on Y axis.</td>
</tr>
<tr>
<td>onChange</td><td>function</td><td>function(){}</td><td>no</td>
<td>Callback function that gets called whenever the values change. cropX, cropY, cropW, cropH, mustStretch (boolean) values are passed to this function in a hash. Use the this keyword in the function for a reference to the element that was updated.</td>
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13 changes: 10 additions & 3 deletions jquery.jWindowCrop.js
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Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,9 @@
base.setZoom(base.workingPercent-zoomIncrement);
return false;
};
base.setFocus = function (x, y) {
base.$image.css({'left' : (x*-1*base.workingPercent.toString()+'px'), 'top' : (y*-1*base.workingPercent.toString()+'px')});
};

function initializeDimensions() {
if(base.originalWidth == 0) {
Expand All @@ -108,9 +111,13 @@
base.focalPoint = {'x': Math.round(x), 'y': Math.round(y)};
}
function focusOnCenter() {
var left = fillContainer((Math.round((base.focalPoint.x*base.workingPercent) - base.options.targetWidth/2)*-1), base.$image.width(), base.options.targetWidth);
var top = fillContainer((Math.round((base.focalPoint.y*base.workingPercent) - base.options.targetHeight/2)*-1), base.$image.height(), base.options.targetHeight);
base.$image.css({'left': (left.toString()+'px'), 'top': (top.toString()+'px')})
if ( typeof base.options.startX != null && typeof base.options.startY != null ) {
base.setFocus( base.options.startX, base.options.startY );
} else {
var left = fillContainer((Math.round((base.focalPoint.x*base.workingPercent) - base.options.targetWidth/2)*-1), base.$image.width(), base.options.targetWidth);
var top = fillContainer((Math.round((base.focalPoint.y*base.workingPercent) - base.options.targetHeight/2)*-1), base.$image.height(), base.options.targetHeight);
base.$image.css({'left': (left.toString()+'px'), 'top': (top.toString()+'px')});
}
storeFocalPoint();
}
function updateResult() {
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