protected override IEnumerable <DestinationFile> ConvertApplicableImageThenSave(
SourceFile source,
ImageFileKind destinationKind,
ArgumentOptionCollection optionCollection,
ILogger logger)
{
foreach (var savedEmf in this.powerpoint2Emf.ConvertThenSave(source, ImageFileKind.Emf, optionCollection, logger))
{
var sourceEmf = savedEmf.AsSourceFile();
foreach (var savedEps in this.emf2Eps.ConvertThenSave(sourceEmf, destinationKind, optionCollection, logger))
{
yield return(savedEps);
}
// Delete tempolary EMF image
try
{
File.Delete(sourceEmf.Path);
}
catch (Exception e)
{
logger.WriteLog($"Failed to delete tempolary emf file: {e.Message}", LogLevel.Error);
continue;
}
}
}
public void TestLoadArgumentOptionCollection_Combination()
{
var logger = new LoggerImpl();
var argumentTokens = new[] {
new ArgumentToken("-w"),
new ArgumentToken("-r"),
new ArgumentToken("-t"),
new ArgumentToken("eps"),
new ArgumentToken("-p"),
new ArgumentToken("5"),
new ArgumentToken("10"),
new ArgumentToken("-L"),
new ArgumentToken("debug"),
new ArgumentToken("slide.pptx")
};
var(optionCollection, remainningTokens) = ArgumentOptionCollection.LoadArgumentOptionCollection(argumentTokens, logger);
Assert.IsTrue(optionCollection.AllowDestinationOverwrite);
Assert.IsTrue(optionCollection.EnableRecursiveDirectorySearch);
Assert.AreEqual(ImageFileKind.Eps, optionCollection.DestinationImageFileKind);
Assert.AreEqual(new Range <uint>(5, 10), optionCollection.PowerpointPageRange);
Assert.IsFalse(optionCollection.EnableVersionInfoDisplay);
Assert.AreEqual(1, remainningTokens.Count);
Assert.AreEqual(new ArgumentToken("slide.pptx"), remainningTokens[0]);
}
public void TestLoadArgumentOptionCollection_LogLevel_InvalidLevel()
{
var logger = new LoggerImpl();
var argumentTokens = new[] { new ArgumentToken("--log-level"), new ArgumentToken("carropino"), new ArgumentToken("file1.png") };
Assert.ThrowsException <ArgumentException>(delegate { ArgumentOptionCollection.LoadArgumentOptionCollection(argumentTokens, logger); });
Assert.AreEqual(LogLevel.Error, logger.LogLevelOfLastLog);
}
public void TestLoadArgumentOptionCollection_PowerpointPageRange_ParseFail()
{
var logger = new LoggerImpl();
var argumentTokens = new[] { new ArgumentToken("-p"), new ArgumentToken("5"), new ArgumentToken("aiueo") };
Assert.ThrowsException <ArgumentException>(delegate { ArgumentOptionCollection.LoadArgumentOptionCollection(argumentTokens, logger); });
Assert.AreEqual(LogLevel.Error, logger.LogLevelOfLastLog);
}
public void TestLoadArgumentOptionCollection_UnexpectedOption()
{
var logger = new LoggerImpl();
var argumentTokens = new[] { new ArgumentToken("--carro-pino"), new ArgumentToken("file1.png") };
Assert.ThrowsException <ArgumentException>(delegate { ArgumentOptionCollection.LoadArgumentOptionCollection(argumentTokens, logger); });
Assert.AreEqual(LogLevel.Error, logger.LogLevelOfLastLog);
Assert.AreEqual("Unexpected option \"--carro-pino\"", logger.LastLog);
}
public void TestLoadArgumentOptionCollection_DestinationImageFileKind_NoTypeFound()
{
var logger = new LoggerImpl();
// 'txt' file is invalid for output image type!
var argumentTokens = new[] { new ArgumentToken("-t") };
Assert.ThrowsException <ArgumentException>(delegate { ArgumentOptionCollection.LoadArgumentOptionCollection(argumentTokens, logger); });
Assert.AreEqual(LogLevel.Error, logger.LogLevelOfLastLog);
Assert.AreEqual(logger.LastLog, "Output type must be specified after \"-t\" or \"--output-type\" option.");
}
public void TestLoadArgumentOptionCollection_DestinationImageFileKind_InvalidType()
{
var logger = new LoggerImpl();
// 'txt' file is invalid for output image type!
var argumentTokens = new[] { new ArgumentToken("-t"), new ArgumentToken("txt"), new ArgumentToken("file1.bmp") };
Assert.ThrowsException <ArgumentException>(delegate { ArgumentOptionCollection.LoadArgumentOptionCollection(argumentTokens, logger); });
Assert.AreEqual(LogLevel.Error, logger.LogLevelOfLastLog);
Assert.AreEqual(logger.LastLog, "Invalid output type: txt");
}
protected override IEnumerable <DestinationFile> ConvertApplicableImageThenSave(
SourceFile source,
ImageFileKind destinationKind,
ArgumentOptionCollection optionCollection,
ILogger logger)
{
var savedImageFiles = new List <DestinationFile>();
try
{
using (var powerPointApplication = new PowerPointApplication(new Application()))
{
var application = powerPointApplication.Application;
var presentation = application.Presentations;
using (var presenationFile = new PowerPointPresentation(presentation.Open(
FileName: source.Path,
ReadOnly: MsoTriState.msoTrue,
Untitled: MsoTriState.msoTrue,
WithWindow: MsoTriState.msoTrue)))
{
var file = presenationFile.Presentation;
foreach (var slide in EnumeratePowerPointSlides(file))
{
if (!optionCollection.PowerpointPageRange.Contains((uint)slide.SlideNumber))
{
continue;
}
slide.Select();
slide.Shapes.SelectAll();
var selection = application.ActiveWindow.Selection;
var shapes = selection.ShapeRange;
var destinationPathForSlide = $"{Path.GetDirectoryName(source.Path)}\\{Path.GetFileNameWithoutExtension(source.Path)}{slide.SlideNumber}{destinationKind.GetExtensionWithDot()}";
var destinationForSlide = new DestinationFile(destinationPathForSlide);
if (!DeleteExistingFileIfNecessary(destinationForSlide, optionCollection, logger))
{
continue;
}
//create emf
shapes.Export(destinationForSlide.Path, PpShapeFormat.ppShapeFormatEMF);
savedImageFiles.Add(destinationForSlide);
}
}
}
}
catch (Exception e)
{
logger.WriteLog($"Failed to convert powerpoint slide to emf images: {e.Message}\n{e.StackTrace}", LogLevel.Error);
}
return(savedImageFiles);
}
public void TestLoadArgumentOptionCollection_NoToken()
{
var logger = new LoggerImpl();
var argumentTokens = new ArgumentToken[0];
var(optionCollection, remainningTokens) = ArgumentOptionCollection.LoadArgumentOptionCollection(argumentTokens, logger);
Assert.IsFalse(optionCollection.AllowDestinationOverwrite);
Assert.IsFalse(optionCollection.EnableRecursiveDirectorySearch);
Assert.AreEqual(ImageFileKind.Pdf, optionCollection.DestinationImageFileKind);
Assert.AreEqual(new Range <uint>(uint.MinValue, uint.MaxValue), optionCollection.PowerpointPageRange);
Assert.IsFalse(optionCollection.EnableVersionInfoDisplay);
Assert.AreEqual(0, remainningTokens.Count);
}
public void TestLoadArgumentOptionCollection_PowerpointPageRange_LongOption()
{
var logger = new LoggerImpl();
var argumentTokens = new[] { new ArgumentToken("--powerpoint-page-range"), new ArgumentToken("3"), new ArgumentToken("5"), new ArgumentToken("slide.pptx") };
var(optionCollection, remainningTokens) = ArgumentOptionCollection.LoadArgumentOptionCollection(argumentTokens, logger);
Assert.IsFalse(optionCollection.AllowDestinationOverwrite);
Assert.IsFalse(optionCollection.EnableRecursiveDirectorySearch);
Assert.AreEqual(ImageFileKind.Pdf, optionCollection.DestinationImageFileKind);
Assert.AreEqual(new Range <uint>(3, 5), optionCollection.PowerpointPageRange);
Assert.IsFalse(optionCollection.EnableVersionInfoDisplay);
Assert.AreEqual(1, remainningTokens.Count);
Assert.AreEqual(new ArgumentToken("slide.pptx"), remainningTokens[0]);
}
public void TestLoadArgumentOptionCollection_DestinationImageFileKind_LongOption()
{
var logger = new LoggerImpl();
var argumentTokens = new[] { new ArgumentToken("--output-type"), new ArgumentToken("eps"), new ArgumentToken("file1.bmp") };
var(optionCollection, remainningTokens) = ArgumentOptionCollection.LoadArgumentOptionCollection(argumentTokens, logger);
Assert.IsFalse(optionCollection.AllowDestinationOverwrite);
Assert.IsFalse(optionCollection.EnableRecursiveDirectorySearch);
Assert.AreEqual(ImageFileKind.Eps, optionCollection.DestinationImageFileKind);
Assert.AreEqual(new Range <uint>(uint.MinValue, uint.MaxValue), optionCollection.PowerpointPageRange);
Assert.IsFalse(optionCollection.EnableVersionInfoDisplay);
Assert.AreEqual(1, remainningTokens.Count);
Assert.AreEqual(new ArgumentToken("file1.bmp"), remainningTokens[0]);
}
protected override IEnumerable <DestinationFile> ConvertApplicableImageThenSave(
SourceFile source,
ImageFileKind destinationKind,
ArgumentOptionCollection optionCollection,
ILogger logger)
{
foreach (var tempEps in this.emf2Eps.ConvertThenSave(source, ImageFileKind.Eps, optionCollection, logger))
{
var tempEpsSource = tempEps.AsSourceFile();
foreach (var savedImage in this.eps2Pdf.ConvertThenSave(tempEpsSource, destinationKind, optionCollection, logger))
{
yield return(savedImage);
}
}
}
protected override IEnumerable <DestinationFile> ConvertApplicableImageThenSave(
SourceFile source,
ImageFileKind destinationKind,
ArgumentOptionCollection optionCollection,
ILogger logger)
{
var image = Image.GetInstance(source.Path);
var destination = source.GetConvertionDestination(destinationKind);
if (!DeleteExistingFileIfNecessary(destination, optionCollection, logger))
{
yield break;
}
try
{
using (var fileStream = new FileStream(destination.Path, FileMode.Create, FileAccess.Write))
{
var document = new Document(
pageSize: new Rectangle(image.Width, image.Height),
marginLeft: 0f,
marginRight: 0f,
marginTop: 0f,
marginBottom: 0f);
image.SetAbsolutePosition(0f, 0f);
PdfWriter.GetInstance(document, fileStream);
document.Open();
document.Add(image);
document.Close();
}
}
catch (Exception e)
{
logger.WriteLog($"Failed to convert an image: {e.Message}", LogLevel.Error);
yield break;
}
yield return(destination);
}
protected static bool DeleteExistingFileIfNecessary(DestinationFile destination, ArgumentOptionCollection optionCollection, ILogger logger)
{
try
{
if (File.Exists(destination.Path))
{
if (optionCollection.AllowDestinationOverwrite)
{
File.Delete(destination.Path);
logger.WriteLog($"A destination image {destination.Path} has existed so been deleted.", LogLevel.Warn);
}
else
{
logger.WriteLog($"A destination image {destination.Path} has existed.", LogLevel.Error);
return(false);
}
}
}
catch (Exception e)
{
logger.WriteLog($"Cannot convert an image: {e.Message}", LogLevel.Error);
return(false);
}
return(true);
}
protected abstract IEnumerable <DestinationFile> ConvertApplicableImageThenSave(
SourceFile source,
ImageFileKind destinationKind,
ArgumentOptionCollection optionCollection,
ILogger logger);
public IEnumerable <DestinationFile> ConvertThenSave(SourceFile source, ImageFileKind destinationKind, ArgumentOptionCollection optionCollection, ILogger logger)
{
if (!this.GetApplicableImageFileKinds().Contains(source.ImageFileKind))
{
logger.WriteLog($"Unsuitable source image kind: {source.ImageFileKind}", LogLevel.Error);
yield break;
}
if (!this.GetAvailableDestinationImageFileKinds().Contains(destinationKind))
{
logger.WriteLog($"Unsuitable source image kind: {destinationKind}", LogLevel.Error);
yield break;
}
foreach (var savedDestination in this.ConvertApplicableImageThenSave(source, destinationKind, optionCollection, logger))
{
yield return(savedDestination);
}
}
