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function onFileLoad(args) {
if (args.module == "LargeIconsView" && args.fileDetails.type == ".pdf") {
args.element.firstElementChild.removeChild(args.element.querySelectorAll(".e-list-icon.e-fe-pdf")[0]);
var dynamicImgEle = ej.base.createElement('img', {
className: "e-list-img",
attrs: { src: getImageUrl(this, args.fileDetails) }
});
args.element.firstElementChild.insertBefore(dynamicImgEle, args.element.firstElementChild.querySelectorAll(".e-list-text")[0]);
}
}
function getImageUrl(parent, item) {
var baseUrl = parent.ajaxSettings.getImageUrl ? parent.ajaxSettings.getImageUrl : parent.ajaxSettings.url;
var imgUrl;
var fileName = ej.base.getValue('name', item);
var fPath = ej.base.getValue('filterPath', item);
if (parent.hasId) {
// path contains ID while using ID based support
var imgId = ej.base.getValue('id', item);
imgUrl = baseUrl + '?path=' + parent.path + '&id=' + imgId;
} else if (fPath != null) {
// path is formed based on filter path while using search operation.
imgUrl = baseUrl + '?path=' + fPath.replace(/\\/g, '/') + fileName;
} else {
// If the image does not contains filter path, path is generated based on file name.
imgUrl = baseUrl + '?path=' + parent.path + fileName;
}
imgUrl = imgUrl + '&time=' + (new Date().getTime()).toString();
return imgUrl;
} |
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public ActionResult GetImage(FileManagerDirectoryContent args)
{
//Validate the image files and return the correponding pdf or excel file first page thumbnail conversion image file
if (args.Path.Contains(".pdf"))
{
//return this.operation.GetImage(this.basePath + "\\" + this.path, null, false, null, null);
return operation.GetImage("/Pictures/Employees/1.png", null, false, null, null);
}
else
{
return operation.GetImage(args.Path, args.Id, false, null, null);
}
} |
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//Validate the image files and return the correponding pdf or excel file first page thumbnail conversion image file
if (args.Path.Contains(".pdf"))
{
count = count + 1;
var path = HostingEnvironment.MapPath("~/Content/Files");
// Save the Image file path
var path1 = HostingEnvironment.MapPath("~/Content/Files/");
//Uses the Syncfusion.EJ2.PdfViewer assembly
PdfRenderer pdfExportImage = new PdfRenderer();
//Loads the PDF document
pdfExportImage.Load(path + (args.Path).Replace(@"/", @"\"));
//Exports the PDF document pages into images
// method parameters
// ExportAsImage (pageIndex , capture_image_width, capture_image_size)
Bitmap bitmapimage = pdfExportImage.ExportAsImage(0,200, 200);
//Save the exported image in disk
var ImageSave = path1 + count + ".png";
bitmapimage.Save(ImageSave);
ImageSave = ImageSave.Replace("\\", "/");
FileStream fileStreamInput = new FileStream(ImageSave, FileMode.Open, FileAccess.Read);
FileStreamResult fileStreamResult = new FileStreamResult(fileStreamInput, "APPLICATION/octet-stream");
// Return the image.
return fileStreamResult;
} |
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Document Files |
Syncfusion.DocIO.AspNetMvc5, Syncfusion.OfficeChartToImageConverter.WPF,
Syncfusion.SfChart.WPF |
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Excel Files |
Syncfusion.XlsIO.AspNet.MVC5 |
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public ActionResult GetImage(FileManagerDirectoryContent args, string filename)
{
var path = HostingEnvironment.MapPath("~/Content/Files");
var path1 = HostingEnvironment.MapPath("~/Content");
//Validate the image files and return the correponding pdf or excel file first page thumbnail conversion image file
if (args.Path.Contains(".pdf"))
{
count = count + 1;
// Save the Image file path
//var path1 = HostingEnvironment.MapPath("~/Content/Files/");
//Uses the Syncfusion.EJ2.PdfViewer assembly
PdfRenderer pdfExportImage = new PdfRenderer();
//Loads the PDF document
pdfExportImage.Load(path + (args.Path).Replace(@"/", @"\"));
//Exports the PDF document pages into images
Bitmap bitmapimage = pdfExportImage.ExportAsImage(0,200, 200);
//Save the exported image in disk
var ImageSave = path1 + count + ".png";
bitmapimage.Save(ImageSave);
ImageSave = ImageSave.Replace("\\", "/");
FileStream fileStreamInput = new FileStream(ImageSave, FileMode.Open, FileAccess.Read);
FileStreamResult fileStreamResult = new FileStreamResult(fileStreamInput, "APPLICATION/octet-stream");
// Return the image.
return fileStreamResult;
}
else if(args.Path.Contains(".docx"))
{
count = 3;
WordDocument wordDocument = new WordDocument(path + (args.Path).Replace(@"/", @"\"), FormatType.Docx);
//Initializes the ChartToImageConverter for converting charts during Word to image conversion
wordDocument.ChartToImageConverter = new ChartToImageConverter();
//Sets the scaling mode for charts (Normal mode reduces the file size)
wordDocument.ChartToImageConverter.ScalingMode = Syncfusion.OfficeChart.ScalingMode.Normal;
//Converts word document to image
Image[] images = wordDocument.RenderAsImages(Syncfusion.DocIO.DLS.ImageType.Bitmap);
var ImageSave = path1 + count + ".png";
images[0].Save(ImageSave, ImageFormat.Jpeg);
//Closes the document
ImageSave = ImageSave.Replace("\\", "/");
FileStream fileStreamInput = new FileStream(ImageSave, FileMode.Open, FileAccess.Read);
FileStreamResult fileStreamResult = new FileStreamResult(fileStreamInput, "APPLICATION/octet-stream");
// Return the image.
return fileStreamResult;
}
else if(args.Path.Contains(".xlsx"))
{
count = 4;
ExcelEngine excelEngine = new ExcelEngine();
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Excel2013;
Syncfusion.XlsIO.IWorkbook workbook = application.Workbooks.Open(path + (args.Path).Replace(@"/", @"\"), ExcelOpenType.Automatic);
IWorksheet sheet = workbook.Worksheets[0];
var ImageSave = path1 + count + ".png";
//Convert as bitmap
Image image = sheet.ConvertToImage(1, 1, 10, 20);
image.Save(ImageSave, ImageFormat.Png);
ImageSave = ImageSave.Replace("\\", "/");
FileStream fileStreamInput = new FileStream(ImageSave, FileMode.Open, FileAccess.Read);
FileStreamResult fileStreamResult = new FileStreamResult(fileStreamInput, "APPLICATION/octet-stream");
// Return the image.
return fileStreamResult;
}
else
{
return operation.GetImage(args.Path, args.Id, false, null, null);
}
} |
