private byte[] PdfToImage(Enum_ArchiveItemMainType mainType, Enum_ArchiveItemFileType fileType, byte[] fileContent)
{
System.IO.MemoryStream myMemStream = new System.IO.MemoryStream(fileContent);
var pdfFile = O2S.Components.PDFRender4NET.PDFFile.Open(myMemStream);
var bitmap = pdfFile.GetPageImage(0, 100);
System.IO.MemoryStream myResult = new System.IO.MemoryStream();
bitmap.Save(myResult, System.Drawing.Imaging.ImageFormat.Jpeg);
return(myResult.ToArray());
}
private byte[] GetJpegThumbnail(Enum_ArchiveItemMainType mainType, Enum_ArchiveItemFileType fileType, byte[] fileContent)
{
if (mainType == Enum_ArchiveItemMainType.Image)
{
System.IO.MemoryStream myMemStream = new System.IO.MemoryStream(fileContent);
System.Drawing.Image fullsizeImage = System.Drawing.Image.FromStream(myMemStream);
float nPercent = 0;
float nPercentW = 0;
float nPercentH = 0;
var sourceWidth = fullsizeImage.Width;
var sourceHeight = fullsizeImage.Height;
var width = 120;
var height = 160;
nPercentW = ((float)width / (float)sourceWidth);
nPercentH = ((float)height / (float)sourceHeight);
if (nPercentH < nPercentW)
{
nPercent = nPercentH;
}
else
{
nPercent = nPercentW;
}
int destWidth = (int)(sourceWidth * nPercent);
int destHeight = (int)(sourceHeight * nPercent);
System.Drawing.Image newImage = fullsizeImage.GetThumbnailImage(destWidth, destHeight, null, IntPtr.Zero);
System.IO.MemoryStream myResult = new System.IO.MemoryStream();
//System.Drawing.Imaging.ImageFormat format;
//if (type == Enum_ArchiveItemType.JPG)
// format = System.Drawing.Imaging.ImageFormat.Jpeg;
//همه jpg بشن
newImage.Save(myResult, System.Drawing.Imaging.ImageFormat.Jpeg); //Or whatever format you want.
return(myResult.ToArray());
}
return(null);
}
public Tuple <List <Enum_ArchiveItemFileType>, I_View_ViewArchiveItem> GetArhiveItemViewer(Enum_ArchiveItemMainType mainType, Enum_ArchiveItemFileType fileType)
{
if (mainType == Enum_ArchiveItemMainType.Image)
{
var fileTypes = new List <Enum_ArchiveItemFileType>()
{
Enum_ArchiveItemFileType.JPEG, Enum_ArchiveItemFileType.BMP, Enum_ArchiveItemFileType.GIF
};
return(new Tuple <List <Enum_ArchiveItemFileType>, I_View_ViewArchiveItem>(fileTypes, new frmViewImage()));
}
return(null);
}
private bool SetPossibleThumbnail(MyIdeaDataDBEntities context, ArchiveItem dbArchiveItem, Enum_ArchiveItemMainType mainType, Enum_ArchiveItemFileType fileType, byte[] fileContent, string fileName)
{
byte[] thumbNail = null;
if (mainType == Enum_ArchiveItemMainType.Image)
{
thumbNail = GetJpegThumbnail(mainType, fileType, fileContent);
}
else if (mainType == Enum_ArchiveItemMainType.Pdf)
{
var pdfToImage = PdfToImage(mainType, fileType, fileContent);
if (pdfToImage != null)
{
thumbNail = GetJpegThumbnail(Enum_ArchiveItemMainType.Image, Enum_ArchiveItemFileType.BMP, pdfToImage.ToArray());
}
}
if (thumbNail != null)
{
FileRepositoryDTO attechedFile = new FileRepositoryDTO();
attechedFile.Content = thumbNail;
if (dbArchiveItem.ThumbnailFileRepositoryID != null)
{
attechedFile.ID = dbArchiveItem.ThumbnailFileRepositoryID.Value;
}
attechedFile.FileName = fileName;
attechedFile.FileExtension = "jpg";
dbArchiveItem.FileRepository = bizFileRepository.ToFileRepository(context, attechedFile);
return(true);
}
return(false);
}