public async void Generate_smoke()
{
var file = TestConfig.PathToDocumentPdf;
CreateImageFromPdfTask sut = new CreateImageFromPdfTask();
var convertParams = new CreatePdfImageTaskParams()
{
Dpi = 150,
FromPage = 1,
Pages = 1,
Format = CreatePdfImageTaskParams.ImageFormat.Jpg,
};
Boolean wasCalled = false;
var result = await sut.Run(
file,
convertParams,
(i, s) =>
{
wasCalled = true;
return Task.FromResult<Boolean>(true);
}
);
Assert.IsTrue(wasCalled, "conversion failed.");
}
protected async override Task<ProcessResult> OnPolling(PollerJobParameters parameters, string workingFolder)
{
String format = parameters.All[JobKeys.ThumbnailFormat];
Logger.DebugFormat("Conversion for jobId {0} in format {1} starting", parameters.JobId, format);
var task = _taskFactory();
var passwords = ClientPasswordSet.GetPasswordFor(parameters.FileName);
foreach (var password in passwords)
{
task.Passwords.Add(password);
}
string pathToFile = await DownloadBlob(parameters.TenantId, parameters.JobId, parameters.FileName, workingFolder);
var convertParams = new CreatePdfImageTaskParams()
{
Dpi = parameters.GetIntOrDefault(JobKeys.Dpi, 150),
FromPage = parameters.GetIntOrDefault(JobKeys.PagesFrom, 1),
Pages = parameters.GetIntOrDefault(JobKeys.PagesCount, 1),
Format = (CreatePdfImageTaskParams.ImageFormat)Enum.Parse(typeof(CreatePdfImageTaskParams.ImageFormat), format, true)
};
await task.Run(
pathToFile,
convertParams,
(i, s) => Write(workingFolder, parameters, format, i, s) //Currying
);
Logger.DebugFormat("Conversion of {0} in format {1} done", parameters.JobId, format);
return ProcessResult.Ok;
}
public async void Generate_with_password_removal()
{
var file = TestConfig.PathToPasswordProtectedPdf;
CreateImageFromPdfTask sut = new CreateImageFromPdfTask();
sut.Decryptor = new PdfDecrypt() {Logger = new TestLogger()};
sut.Passwords.Add("jarvistest");
var convertParams = new CreatePdfImageTaskParams()
{
Dpi = 150,
FromPage = 1,
Pages = 1,
Format = CreatePdfImageTaskParams.ImageFormat.Jpg,
};
Boolean wasCalled = false;
var result = await sut.Run(
file,
convertParams,
(i, s) =>
{
wasCalled = true;
return Task.FromResult<Boolean>(true);
}
);
Assert.IsTrue(wasCalled, "conversion failed.");
}
protected async override Task <ProcessResult> OnPolling(PollerJobParameters parameters, string workingFolder)
{
//if this handle already has rasterImage we do not need to do anything
//we can skip only if this action is not forced or if the pdf was not generated by office
//because office file can be re-generated due to errors in conversoin (libreoffice or MsOffice)
if (!IsForced(parameters) && !FromPipelineId(parameters, "office"))
{
var formats = GetFormats(parameters.TenantId, parameters.JobId);
if (formats.Any(f => f == DocumentFormats.RasterImage))
{
return(ProcessResult.Ok);
}
}
String format = parameters.All[JobKeys.ThumbnailFormat];
Logger.DebugFormat("Conversion for jobId {0} in format {1} starting", parameters.JobId, format);
var task = _taskFactory();
var passwords = ClientPasswordSet.GetPasswordFor(parameters.FileName);
foreach (var password in passwords)
{
task.Passwords.Add(password);
}
string pathToFile = await DownloadBlob(parameters.TenantId, parameters.JobId, parameters.FileName, workingFolder).ConfigureAwait(false);
var convertParams = new CreatePdfImageTaskParams()
{
Dpi = parameters.GetIntOrDefault(JobKeys.Dpi, 150),
FromPage = parameters.GetIntOrDefault(JobKeys.PagesFrom, 1),
Pages = parameters.GetIntOrDefault(JobKeys.PagesCount, 1),
Format = (CreatePdfImageTaskParams.ImageFormat)Enum.Parse(typeof(CreatePdfImageTaskParams.ImageFormat), format, true)
};
await task.Run(
pathToFile,
convertParams,
(i, s) => Write(workingFolder, parameters, format, i, s) //Currying
).ConfigureAwait(false);
Logger.DebugFormat("Conversion of {0} in format {1} done", parameters.JobId, format);
return(ProcessResult.Ok);
}
private static void TestFile(
List<PollerTestResult> retValue,
CreateImageFromPdfTask task,
String fileName,
Byte[] fileContent)
{
var tempFile = Path.Combine(Path.GetTempPath(), fileName);
if (File.Exists(tempFile)) File.Delete(tempFile);
File.WriteAllBytes(tempFile, fileContent);
try
{
var convertParams = new CreatePdfImageTaskParams()
{
Dpi = 150,
FromPage = 1,
Pages = 1,
Format = CreatePdfImageTaskParams.ImageFormat.Jpg,
};
Boolean wasCalled = false;
var result = task.Run(
tempFile,
convertParams,
(i, s) =>
{
wasCalled = true;
return Task.FromResult<Boolean>(true);
}
);
result.Wait();
if (wasCalled)
{
retValue.Add(new PollerTestResult(true, "Pdf to Jpg"));
}
else
{
retValue.Add(new PollerTestResult(false, "Pdf to Jpg"));
}
}
catch (Exception ex)
{
retValue.Add(new PollerTestResult(false, "Pdf to Jpg: " + ex.Message));
}
}
public async Task <Boolean> Run(
String pathToFile,
CreatePdfImageTaskParams createPdfImageTaskParams,
Func <int, Stream, Task <Boolean> > pageWriter)
{
String tempFileName = null;
if (Passwords.Count > 0)
{
tempFileName =
Path.Combine(Path.GetDirectoryName(pathToFile),
Path.GetFileNameWithoutExtension(pathToFile) + "_decrypted.pdf");
if (Decryptor.DecryptFile(pathToFile, tempFileName, Passwords))
{
pathToFile = tempFileName;
}
}
using (var sourceStream = File.OpenRead(pathToFile))
{
var settings = new MagickReadSettings
{
Density = new PointD(createPdfImageTaskParams.Dpi, createPdfImageTaskParams.Dpi)
};
settings.FrameIndex = 0; // First page
settings.FrameCount = 1; // Number of pages
MagickFormat imageFormat = TranslateFormat(createPdfImageTaskParams.Format);
Logger.DebugFormat("Image format is {0}", imageFormat.ToString());
using (var images = new MagickImageCollection())
{
bool done = false;
if (!_firstDone)
{
lock (LockForInitializationIssue)
{
if (!_firstDone)
{
images.Read(sourceStream, settings);
done = true;
}
}
}
if (!done)
{
images.Read(sourceStream, settings);
}
var lastImage =
Math.Min(createPdfImageTaskParams.FromPage - 1 + createPdfImageTaskParams.Pages, images.Count) -
1;
for (int page = createPdfImageTaskParams.FromPage - 1; page <= lastImage; page++)
{
var image = images[page];
image.Format = imageFormat;
using (var ms = new MemoryStream())
{
image.Write(ms);
ms.Seek(0L, SeekOrigin.Begin);
await pageWriter(page + 1, ms).ConfigureAwait(false);
}
}
}
}
if (!String.IsNullOrEmpty(tempFileName) && File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
return(true);
}
public async Task<Boolean> Run(
String pathToFile,
CreatePdfImageTaskParams createPdfImageTaskParams,
Func<int, Stream, Task<Boolean>> pageWriter)
{
String tempFileName = null;
if (Passwords.Count > 0)
{
tempFileName =
Path.Combine(Path.GetDirectoryName(pathToFile),
Path.GetFileNameWithoutExtension(pathToFile) + "_decrypted.pdf");
if (Decryptor.DecryptFile(pathToFile, tempFileName, Passwords))
{
pathToFile = tempFileName;
}
}
using (var sourceStream = File.OpenRead(pathToFile))
{
var settings = new MagickReadSettings
{
Density = new PointD(createPdfImageTaskParams.Dpi, createPdfImageTaskParams.Dpi)
};
settings.FrameIndex = 0; // First page
settings.FrameCount = 1; // Number of pages
MagickFormat imageFormat = TranslateFormat(createPdfImageTaskParams.Format);
Logger.DebugFormat("Image format is {0}", imageFormat.ToString());
using (var images = new MagickImageCollection())
{
bool done = false;
if (_firstDone == false)
{
lock (LockForInitializationIssue)
{
if (_firstDone == false)
{
images.Read(sourceStream, settings);
done = true;
// _firstDone = true;
}
}
}
if (!done)
images.Read(sourceStream, settings);
var lastImage =
Math.Min(createPdfImageTaskParams.FromPage - 1 + createPdfImageTaskParams.Pages, images.Count) -
1;
for (int page = createPdfImageTaskParams.FromPage - 1; page <= lastImage; page++)
{
var image = images[page];
image.Format = imageFormat;
using (var ms = new MemoryStream())
{
image.Write(ms);
ms.Seek(0L, SeekOrigin.Begin);
await pageWriter(page + 1, ms);
}
}
}
}
if (!String.IsNullOrEmpty(tempFileName) && File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
return true;
}
MagickFormat TranslateFormat(CreatePdfImageTaskParams.ImageFormat format)
{
switch (format)
{
case CreatePdfImageTaskParams.ImageFormat.Png:
return MagickFormat.Png;
case CreatePdfImageTaskParams.ImageFormat.Jpg:
return MagickFormat.Jpg;
default:
throw new ArgumentOutOfRangeException("format");
}
}
