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Leadtools.Codecs Namespace > RasterCodecs Class : StopOptimizedLoad Method |
public void StopOptimizedLoad()
'Declaration
Public Sub StopOptimizedLoad()
'Usage
Dim instance As RasterCodecs instance.StopOptimizedLoad()
public void StopOptimizedLoad()
function Leadtools.Codecs.RasterCodecs.StopOptimizedLoad()
public: void StopOptimizedLoad();
Call this method when you have finished loading or converting from the same source file (or when the source file contents have changed). Call StopOptimizedLoad after calling StartOptimizedLoad.
For more information, refer to Using the OptimizedLoad Functions to Speed Loading Large Files.
Imports Leadtools Imports Leadtools.Codecs Imports Leadtools.ImageProcessing Imports Leadtools.ImageProcessing.Color Imports Leadtools.Drawing Imports Leadtools.Svg Public Sub OptimizedLoadExample() Using codecs As RasterCodecs = New RasterCodecs() ' The speed improvement is most noticeable in source files with many pages Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "MultiPage.pdf") ' indicate the start of a loop from the same source file codecs.StartOptimizedLoad() For i As Integer = 1 To 10 Using image As RasterImage = codecs.Load(srcFileName, i) Dim destFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "out_" + i.ToString() + ".jpg") ' Save as the destination image codecs.Save(image, destFileName, RasterImageFormat.Jpeg411, 24) End Using Next ' Indicate that I finished using the same source file. codecs.StopOptimizedLoad() End Using End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
using Leadtools; using Leadtools.Codecs; using Leadtools.ImageProcessing; using Leadtools.ImageProcessing.Color; using Leadtools.Svg; public void OptimizedLoadExample() { using (RasterCodecs codecs = new RasterCodecs()) { // The speed improvement is most noticeable in source files with many pages string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "MultiPage.pdf"); // indicate the start of a loop from the same source file codecs.StartOptimizedLoad(); for (int i = 1; i < 10; i++) { using (RasterImage image = codecs.Load(srcFileName, i)) { string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "out_" + i.ToString() + ".jpg"); // Save as the destination image codecs.Save(image, destFileName, RasterImageFormat.Jpeg411, 24); } } // Indicate that I finished using the same source file. codecs.StopOptimizedLoad(); } } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }