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Normal Topic node.setImageAlign + diagram.setZoomFactor + node.setSelected(true) (Read 2807 times)
ChristianC
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node.setImageAlign + diagram.setZoomFactor + node.setSelected(true)
Jun 24th, 2015 at 10:20pm
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Hello,

on a ShapeNode I set an image and align it to the bootom right.

Code (Javascript)
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diagramNode.setImageLocation("img/runner.png");
                        var ImageAlign = MindFusion.Diagramming.ImageAlign;
                        diagramNode.setImageAlign(ImageAlign.BottomRight);


The image is 32px 32px.

Later I change the ZoomFactor of the diagram. The image is resized correctly. It grows or shrinks, depending on the ZoomFactor.

The Problem occurs, when I call
Code (Javascript)
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node.setSelected(true);


on the node containing the image. Then the image is resized "weirdly" back to its original size. Am I missing something? Is this a bug maybe? What can I do that the image stays with correct zoomfactor?

I really appreciate any help you can provide.
  
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Stoyo
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Re: node.setImageAlign + diagram.setZoomFactor + node.setSelected(true)
Reply #1 - Jun 25th, 2015 at 8:37am
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Hi,

It's a bug; this should work around it:

Code
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var Utils = MindFusion.Diagramming.Utils;
var GraphicsUnit = MindFusion.Drawing.GraphicsUnit;
ShapeNode.prototype.onUpdateVisuals = function ()
{
	var image = this.image;
	if (image && image.loaded)
	{
		var scale = GraphicsUnit.getPixel(this.parent.measureUnit);
		var imgDocSize = { x: image.image.width * scale, y: image.image.height * scale };
		var imgDocRect = Utils.getImageRect(this.bounds, imgDocSize, this.imageAlign);
		image.setBounds(imgDocRect, (this.rotateImage) ? this.rotationAngle : 0);
	}
};


I hope that helps,
Stoyan
  
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ChristianC
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Re: node.setImageAlign + diagram.setZoomFactor + node.setSelected(true)
Reply #2 - Jun 25th, 2015 at 8:44am
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Thanks again. You rock my world Smiley
  
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