FloaterTransform Property (original) (raw)

Summary

Transformation matrix used by the floater image of this item.

Syntax

Property Value

The transformation matrix used by the floater image of this item. Default value is Identity.

Example

using Leadtools; using Leadtools.Controls; using Leadtools.Codecs; using Leadtools.Drawing; using Leadtools.ImageProcessing; using Leadtools.ImageProcessing.Color; public void ImageViewerFloaterTransform_Example() { var item = _imageViewer.Items[0]; if (item == null) return; if (item.Floater == null) { var xForm = RasterRegionXForm.Default; using (var image = item.Image.Clone()) { var width = image.ImageWidth / 2; var height = image.ImageHeight / 2; image.AddRectangleToRegion(xForm, new LeadRect(width, height, width, height), RasterRegionCombineMode.Set); xForm = RasterRegionXForm.Default; xForm.ViewPerspective = RasterViewPerspective.TopLeft; var rc = image.GetRegionBounds(xForm); var command = new CopyRectangleCommand(rc, RasterMemoryFlags.Conventional); command.Run(image); var floater = command.DestinationImage; rc = image.RectangleFromImage(RasterViewPerspective.TopLeft, rc); if (floater != null) { xForm.ViewPerspective = RasterViewPerspective.TopLeft; var regionData = RasterRegionConverter.GetGdiPlusRegionData(image, xForm); xForm.ViewPerspective = RasterViewPerspective.TopLeft; xForm.XOffset -= rc.Left; xForm.YOffset -= rc.Top; } floater.MakeRegionEmpty(); var transform = item.FloaterTransform; transform.Translate(-floater.ImageWidth, -floater.ImageHeight); item.FloaterTransform = transform; item.Floater = floater; } } else { var floater = item.Floater; var transform = item.FloaterTransform; transform.Translate(-1, -1); item.FloaterTransform = transform; } }