transform Property (ImageViewerItem)
Summary
Transformation of the item.
Syntax
JavaScript Syntax
Object.defineProperty(ImageViewerItem.prototype, 'transform',get: function(),set: function(value))
TypeScript Syntax
transform: LeadMatrix;Property Value
The transformation of the item. Default value is Identity.
Remarks
Transform will be used by ViewLayout during the calculation. The rectangle from 0,0 to ImageSize is multiplied by this value apply custom translation, scale and rotation on the item.
Modifying the state values will update this matrix automatically and setting the value of Transform manually will reset the state values to their default values. For more information, for more information, refer Image Viewer Transformation.
For more information, refer Image Viewer Items.
Example
JavaScript Example
function ImageViewer_Transform(dy, position) {var total = this._imageViewer.getItemViewBounds(this._imageViewer.activeItem, lt.Controls.ImageViewerItemPart.item, false).height;var factor;if (total > 0)factor = 1.0 - (dy * 2.0) / total;elsefactor = 1.0;// Get the origin in image coordinatevar origin = this._imageViewer.convertPoint(this._imageViewer.activeItem, lt.Controls.ImageViewerCoordinateType.control, lt.Controls.ImageViewerCoordinateType.image, position);// Convert it to whatever the current transform isorigin = this._imageViewer.activeItem.transform.transformPoint(origin);var transform = lt.LeadMatrix.identity;transform.scaleAt(1 / factor, 1 / factor, origin.x, origin.y);this._imageViewer.activeItem.transform = lt.LeadMatrix.multiply(this._imageViewer.activeItem.transform, transform);};
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
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