Підтримка монітора переривань
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Підтримка монітора переривань для конвертації
Цей документ пояснює, як підтримувати переривання для конвертації зображень за допомогою Aspose.PSD. У цьому прикладі використовується клас Interrupt для породження переривання під час конвертації.
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// For complete examples and data files, please go to https://github.com/aspose-psd/Aspose.PSD-for-.NET | |
ImageOptionsBase saveOptions = new PngOptions(); | |
InterruptMonitor monitor = new InterruptMonitor(); | |
string source = "big2.psb"; | |
string output = "big_out.png"; | |
SaveImageWorker worker = new SaveImageWorker(source, output, saveOptions, monitor); | |
Thread thread = new Thread(new ThreadStart(worker.ThreadProc)); | |
try | |
{ | |
thread.Start(); | |
// The timeout should be less than the time required for full image conversion (without interruption). | |
Thread.Sleep(3000); | |
// Interrupt the process | |
monitor.Interrupt(); | |
Console.WriteLine("Interrupting the save thread #{0} at {1}", thread.ManagedThreadId, System.DateTime.Now); | |
// Wait for interruption... | |
thread.Join(); | |
} | |
finally | |
{ | |
// Delete the output file. | |
if (File.Exists(output)) | |
{ | |
File.Delete(output); | |
} | |
} |
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// For complete examples and data files, please go to https://github.com/aspose-psd/Aspose.PSD-for-.NET | |
{ | |
/// <summary> | |
/// The path to the input image. | |
/// </summary> | |
private readonly string inputPath; | |
/// <summary> | |
/// The path to the output image. | |
/// </summary> | |
private readonly string outputPath; | |
/// <summary> | |
/// The interrupt monitor. | |
/// </summary> | |
private readonly InterruptMonitor monitor; | |
/// <summary> | |
/// The save options. | |
/// </summary> | |
private readonly ImageOptionsBase saveOptions; | |
/// <summary> | |
/// Initializes a new instance of the <see cref="SaveImageWorker" /> class. | |
/// </summary> | |
/// <param name="inputPath">The path to the input image.</param> | |
/// <param name="outputPath">The path to the output image.</param> | |
/// <param name="saveOptions">The save options.</param> | |
/// <param name="monitor">The interrupt monitor.</param> | |
public SaveImageWorker(string inputPath, string outputPath, ImageOptionsBase saveOptions, InterruptMonitor monitor) | |
{ | |
this.inputPath = inputPath; | |
this.outputPath = outputPath; | |
this.saveOptions = saveOptions; | |
this.monitor = monitor; | |
} | |
/// <summary> | |
/// Tries to convert image from one format to another. Handles interruption. | |
/// </summary> | |
public void ThreadProc() | |
{ | |
using (Image image = Image.Load(this.inputPath)) | |
{ | |
InterruptMonitor.ThreadLocalInstance = this.monitor; | |
try | |
{ | |
image.Save(this.outputPath, this.saveOptions); | |
} | |
catch (OperationInterruptedException e) | |
{ | |
Console.WriteLine("The save thread #{0} finishes at {1}", Thread.CurrentThread.ManagedThreadId, DateTime.Now); | |
Console.WriteLine(e); | |
} | |
catch (Exception e) | |
{ | |
Console.WriteLine(e); | |
} | |
finally | |
{ | |
InterruptMonitor.ThreadLocalInstance = null; | |
} | |
} | |
} | |
} |