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;
}
}
}
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);
}
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);
}
}
}
public void TestFromExtension()
{
Assert.AreEqual(ImageFileKind.Bmp, ImageFileKind.FromExtension(".bmp"));
Assert.AreEqual(ImageFileKind.Png, ImageFileKind.FromExtension("png"));
Assert.AreEqual(ImageFileKind.Jpg, ImageFileKind.FromExtension(".jpg"));
Assert.AreEqual(ImageFileKind.Jpg, ImageFileKind.FromExtension(".jpeg"));
Assert.AreEqual(ImageFileKind.Gif, ImageFileKind.FromExtension("Gif"));
Assert.AreEqual(ImageFileKind.Tif, ImageFileKind.FromExtension("TIF"));
Assert.AreEqual(ImageFileKind.Tif, ImageFileKind.FromExtension(".TIFF"));
Assert.AreEqual(ImageFileKind.Wmf, ImageFileKind.FromExtension(".Wmf"));
Assert.AreEqual(ImageFileKind.Emf, ImageFileKind.FromExtension("emf"));
Assert.AreEqual(ImageFileKind.Eps, ImageFileKind.FromExtension("eps"));
Assert.AreEqual(ImageFileKind.Pdf, ImageFileKind.FromExtension(".pdf"));
Assert.AreEqual(ImageFileKind.Powerpoint, ImageFileKind.FromExtension(".ppt"));
Assert.AreEqual(ImageFileKind.Powerpoint, ImageFileKind.FromExtension(".pptx"));
}
/// <summary>
/// Delete all file by selected kind.
/// </summary>
/// <param name="filename">File name.</param>
/// <param name="imageFileKind">Image file kind.</param>
/// <param name="deleteOriginal">Delete original file</param>
public static void DeleteImageFileByKind(string filename, ImageFileKind imageFileKind, bool deleteOriginal = true)
{
// delete from original
if (deleteOriginal)
{
DeleteFile(Path.Combine(Files.UploadDirectoryPath, listImageFileDimensions.Where(ifd => ifd.ImageKind == ImageFileKind.Original).SingleOrDefault().DirectoryToSave, filename));
}
//delete from linked directory
foreach (ImageFileDimension ifd in listImageFileDimensions)
{
if (imageFileKind == ifd.ImageKind)
{
DeleteFile(Path.Combine(Files.UploadDirectoryPath, ifd.DirectoryToSave, filename));
}
}
}
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);
}
}
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);
}
public DestinationFile(string path)
{
this.ImageFileKind = ImageFileKind.FromExtension(System.IO.Path.GetExtension(path));
this.Path = path;
}
public static void UploadImageFile(HttpPostedFile uploadedFile, string newFileName, ImageFileKind fileKind)
{
Files.MakeDirectoryIfNotExists(Path.Combine(Files.UploadDirectoryPath, listImageFileDimensions.Where(ifd => ifd.ImageKind == fileKind).SingleOrDefault().DirectoryToSave));
uploadedFile.SaveAs(Path.Combine(Files.UploadDirectoryPath, listImageFileDimensions.Where(ifd => ifd.ImageKind == fileKind).SingleOrDefault().DirectoryToSave, newFileName));
}
/// <summary>
/// Resize uploaded file to all defined dimensions.
/// </summary>
/// <param name="origFileName">File upload content.</param>
/// <param name="newFileName">New unique file name.</param>
/// <param name="imageFileKind">ImageFileKind .</param>
public static void ResizeImageFilesByKindOnUpload(HttpPostedFile uploadedFile, string newFileName, ImageFileKind imageFileKind, bool isThumbListItem = false)
{
UploadImageFile(uploadedFile, newFileName, ImageFileKind.Original);
using (Bitmap bitmap = (Bitmap)Bitmap.FromStream(uploadedFile.InputStream))
{
foreach (ImageFileDimension ifd in listImageFileDimensions)
{
if (imageFileKind == ifd.ImageKind)
{
Files.MakeDirectoryIfNotExists(Path.Combine(Files.UploadDirectoryPath, ifd.DirectoryToSave));
if (ifd.IsCropped)
{
ResizeImageFile(bitmap, newFileName, ifd);
}
else
{
ResizeImageFileWithDimens(bitmap, newFileName, ifd);
}
}
}
}
}
/// <summary>
/// Resize file to all defined dimensions.
/// </summary>
/// <param name="origFileName">Original file name.</param>
/// <param name="newFileName">New unique file name.</param>
/// <param name="imageFileKind">ImageFileKind .</param>
public static void ResizeImageFilesByKind(string origFileName, string newFileName, ImageFileKind imageFileKind)
{
string origFullFileName = Path.Combine(Files.UploadDirectoryPath, listImageFileDimensions.Where(ifd => ifd.ImageKind == ImageFileKind.Original).SingleOrDefault().DirectoryToSave, origFileName);
using (Bitmap bitmap = (Bitmap)Bitmap.FromFile(origFullFileName))
{
foreach (ImageFileDimension ifd in listImageFileDimensions)
{
if (imageFileKind == ifd.ImageKind)
{
Files.MakeDirectoryIfNotExists(Path.Combine(Files.UploadDirectoryPath, ifd.DirectoryToSave));
if (ifd.IsCropped)
{
ResizeImageFile(bitmap, newFileName, ifd);
}
else
{
ResizeImageFileWithDimens(bitmap, newFileName, ifd);
}
}
}
}
//rename original file name to new file name.
if (origFileName != newFileName)
{
string newFullFileName = Path.Combine(Files.UploadDirectoryPath, listImageFileDimensions.Where(ifd => ifd.ImageKind == ImageFileKind.Original).SingleOrDefault().DirectoryToSave, newFileName);
FileInfo TheFile = new FileInfo(newFullFileName);
if (TheFile.Exists)
{
File.Delete(origFullFileName);
}
else
{
File.Move(origFullFileName, newFullFileName);
}
}
}
/// <exception cref="System.ArgumentNullException">Thrown when originalImgPath or format is null.</exception>
/// <exception cref="System.Runtime.InteropServices.ExternalException">Thrown when the image was saved with the wrong image format. Or when the image was saved to the same file it was created from.</exception>
public static void SaveCroppedImageByKind(string fileName, Rectangle cropData, ImageFileKind imageKind)
{
string fileExt = System.IO.Path.GetExtension(fileName);
string tempImgPath = Path.Combine(Files.UploadDirectoryPath, listImageFileDimensions.Where(ifd => ifd.ImageKind == ImageFileKind.Temp).SingleOrDefault().DirectoryToSave, fileName);
string originalImgPath = Path.Combine(Files.UploadDirectoryPath, listImageFileDimensions.Where(ifd => ifd.ImageKind == ImageFileKind.Original).SingleOrDefault().DirectoryToSave, fileName);
using (Bitmap src = new Bitmap(tempImgPath))
{
if (src.Width < (cropData.Width + cropData.Left) || src.Height < (cropData.Height + cropData.Top))
{
cropData = GetDefaultCrop(cropData, src);
}
// Resize the bitmap data
using (Bitmap result = CropBitmap(src, cropData))
{
result.Save(originalImgPath, allowedImageFiles[fileExt]);
ResizeImageFilesByKind(fileName, fileName, imageKind);
}
}
DeleteFile(tempImgPath);
}
public static void SendImageThumbnailAsStream(Stream stream, string filename, ImageFileKind imageFileKind)
{
string origFullFileName = Path.Combine(Files.UploadDirectoryPath, listImageFileDimensions.Where(ifd => ifd.ImageKind == ImageFileKind.Original).SingleOrDefault().DirectoryToSave, filename);
ImageFileDimension imageFileDimension = listImageFileDimensions.Where(ifd => ifd.ImageKind == imageFileKind).FirstOrDefault();
using (Image bitmap = Bitmap.FromFile(origFullFileName))
{
int origHeight = bitmap.Height;
int origWidth = bitmap.Width;
int newHeight = imageFileDimension.Height.Value;
int newWidth = imageFileDimension.Width.Value;
float widthRatio = ((float)newWidth) / origWidth;
float heightRatio = ((float)newHeight) / origHeight;
float ratio = (widthRatio < heightRatio ? widthRatio : heightRatio);// (widthRatio)MIN(maxWidth / Width, maxHeight / Height);
if (ratio >= 1.0f)
{
bitmap.Save(stream, allowedImageFiles[Path.GetExtension(origFullFileName)]);
}
else
{
using (Image resultBitmap = bitmap.GetThumbnailImage((int)(origWidth * ratio), (int)(origHeight * ratio), null, IntPtr.Zero))
{
resultBitmap.Save(stream, allowedImageFiles[Path.GetExtension(origFullFileName)]);
}
}
}
}
protected abstract IEnumerable <DestinationFile> ConvertApplicableImageThenSave(
SourceFile source,
ImageFileKind destinationKind,
ArgumentOptionCollection optionCollection,
ILogger logger);
public void TestFromExtension_UnexpectedExtension()
{
Assert.ThrowsException <InvalidOperationException>(delegate { ImageFileKind.FromExtension(".txt"); });
}