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Leadtools.Controls Namespace > Classes > ImageViewer > Methods > GetItemImageTransformWithDpi Method
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GetItemImageTransformWithDpi Method (ImageViewer)
Summary
Transformation matrix of the image of an item with or without DPI scaling.
Syntax
public LeadMatrix GetItemImageTransformWithDpi(ImageViewerItem item,bool useDpi)
Public Function GetItemImageTransformWithDpi(ByVal item As ImageViewerItem,ByVal useDpi As Boolean) As LeadMatrix
public:LeadMatrix^ GetItemImageTransformWithDpi(ImageViewerItem^ item,bool useDpi)
Parameters
item
The reference item, this value cannot be null.
useDpi
true to return the transform with DPI scaling, otherwise; false.
Return Value
The transformation matrix of the image of an item with DPI scaling if useDpi is true or without DPI scaling if useDpi is false.
Remarks
GetItemContentTransform returns the transformation used to render the image of an item in relation to the top-left corner of the viewer control.
Each ImageViewerItem can have a ImageViewerItem.Resolution value that can be used to set the resolution (in dots per inch, or DPI) of the item. When the value of the DPI is different than the screen resolution and the viewer is instructed to view items using the true logical size (using UseDpi then the viewer will add the scaling required into the image transformation.
When the value of useDpi is true, then this method will return the same value as GetItemImageTransform. If the value of useDpi is false, then this method will return the transformation excluding the DPI scaling.
For more information refer to Image Viewer Appearance, Image Viewer Transformation, and Image Viewer Bounds and Transform.
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
Leadtools.Controls.WinForms Assembly
