Leadtools Namespace > RasterImage Class : GetRegionBounds Method |
public LeadRect GetRegionBounds( RasterRegionXForm xform )
'Declaration Public Function GetRegionBounds( _ ByVal xform As RasterRegionXForm _ ) As LeadRect
'Usage Dim instance As RasterImage Dim xform As RasterRegionXForm Dim value As LeadRect value = instance.GetRegionBounds(xform)
public LeadRect GetRegionBounds( RasterRegionXForm xform )
function Leadtools.RasterImage.GetRegionBounds( xform )
public: LeadRect GetRegionBounds( RasterRegionXForm^ xform )
Public Sub GetRegionBoundsExample() Dim codecs As RasterCodecs = New RasterCodecs() Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp") Dim destFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1_GetRegionBounds.bmp") ' Load the image Dim image As RasterImage = codecs.Load(srcFileName) ' Add an ellipse inside a rectangle region to the image Dim rc As LeadRect = New LeadRect(image.Width \ 3, image.Height \ 3, image.Width \ 3, image.Height \ 3) image.AddEllipseToRegion(Nothing, rc, RasterRegionCombineMode.Set) rc = image.GetRegionBounds(Nothing) image.AddRectangleToRegion(Nothing, rc, RasterRegionCombineMode.Xor) ' Invert the region area and save the image Dim command As InvertCommand = New InvertCommand() command.Run(image) codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24) image.Dispose() codecs.Dispose() End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
public void GetRegionBoundsExample() { RasterCodecs codecs = new RasterCodecs(); string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"); string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1_GetRegionBounds.bmp"); // Load the image RasterImage image = codecs.Load(srcFileName); // Add an ellipse inside a rectangle region to the image LeadRect rc = new LeadRect(image.Width / 3, image.Height / 3, image.Width / 3, image.Height / 3); image.AddEllipseToRegion(null, rc, RasterRegionCombineMode.Set); rc = image.GetRegionBounds(null); image.AddRectangleToRegion(null, rc, RasterRegionCombineMode.Xor); // Invert the region area and save the image InvertCommand command = new InvertCommand(); command.Run(image); codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24); image.Dispose(); codecs.Dispose(); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
RasterImageExamples.prototype.GetRegionBoundsExample = function () { Tools.SetLicense(); with (Leadtools) { with (Leadtools.Codecs) { var codecs = new RasterCodecs(); var srcFileName = "Assets\\Image1.cmp"; var destFileName = "Image1_GetRegionBounds.bmp"; var image; // Load the image return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) { return codecs.loadAsync(LeadStreamFactory.create(loadFile)).then(function (img) { image = img; // Add an ellipse inside a rectangle region to the image var rc = LeadRectHelper.create(image.width / 3, image.height / 3, image.width / 3, image.height / 3); image.addEllipseToRegion(null, rc, RasterRegionCombineMode.set); rc = image.getRegionBounds(null); image.addRectangleToRegion(null, rc, RasterRegionCombineMode.xor); // Invert the region area and save the image var command = new Leadtools.ImageProcessing.Color.InvertCommand(); command.run(image); return Tools.AppLocalFolder().createFileAsync(destFileName) }) .then(function (saveFile) { var saveStream = LeadStreamFactory.create(saveFile); return codecs.saveAsync(image, saveStream, RasterImageFormat.bmp, 24); }) .then(function () { image.close(); codecs.close(); }); }); } } }
[TestMethod] public async Task GetRegionBoundsExample() { RasterCodecs codecs = new RasterCodecs(); string srcFileName = @"Assets\Image1.cmp"; string destFileName = @"Image1_GetRegionBounds.bmp"; // Load the image StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName); RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile)); // Add an ellipse inside a rectangle region to the image LeadRect rc = LeadRectHelper.Create(image.Width / 3, image.Height / 3, image.Width / 3, image.Height / 3); image.AddEllipseToRegion(null, rc, RasterRegionCombineMode.Set); rc = image.GetRegionBounds(null); image.AddRectangleToRegion(null, rc, RasterRegionCombineMode.Xor); // Invert the region area and save the image InvertCommand command = new InvertCommand(); command.Run(image); StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName); ILeadStream saveStream = LeadStreamFactory.Create(saveFile); await codecs.SaveAsync(image, saveStream, RasterImageFormat.Bmp, 24); image.Dispose(); codecs.Dispose(); }
public void GetRegionBoundsExample(Stream destStream) { // create a new image to work with RasterImage image = new RasterImage(RasterMemoryFlags.Conventional, 500, 500, 24, RasterByteOrder.Bgr, RasterViewPerspective.TopLeft, null, null, 0); // Add an rectanle inside a rectangle region to the image LeadRect rc = new LeadRect(image.Width / 3, image.Height / 3, image.Width / 3, image.Height / 3); image.AddRectangleToRegion(null, rc, RasterRegionCombineMode.Set); rc = image.GetRegionBounds(null); rc = new LeadRect(image.Width / 4, image.Height / 4, image.Width / 4, image.Height / 4); image.AddRectangleToRegion(null, rc, RasterRegionCombineMode.Xor); // Invert the region area and save the image InvertCommand command = new InvertCommand(); command.Run(image); // Save the image back to file RasterCodecs codecs = new RasterCodecs(); codecs.Save(image, destStream, RasterImageFormat.Bmp, 0); image.Dispose(); }
Public Sub GetRegionBoundsExample(ByVal destStream As Stream)
' create a new image to work with
Dim image As RasterImage = New RasterImage(RasterMemoryFlags.Conventional, 500, 500, 24, RasterByteOrder.Bgr, RasterViewPerspective.TopLeft, Nothing, Nothing, 0)
' Add an rectanle inside a rectangle region to the image
Dim rc As LeadRect = New LeadRect(image.Width / 3, image.Height / 3, image.Width / 3, image.Height / 3)
image.AddRectangleToRegion(Nothing, rc, RasterRegionCombineMode.Set)
rc = image.GetRegionBounds(Nothing)
rc = New LeadRect(image.Width / 4, image.Height / 4, image.Width / 4, image.Height / 4)
image.AddRectangleToRegion(Nothing, rc, RasterRegionCombineMode.Xor)
' Invert the region area and save the image
Dim command As InvertCommand = New InvertCommand()
command.Run(image)
' Save the image back to file
Dim codecs As RasterCodecs = New RasterCodecs()
codecs.Save(image, destStream, RasterImageFormat.Bmp, 0)
image.Dispose()
End Sub
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2