/// <summary>
/// This renders PDF page with render options
/// Rendering a pdf page requires following 3 steps
/// 1. PdfDocument.LoadFromFileAsync(pdfFile) which returns pdfDocument
/// 2. pdfDocument.GetPage(pageIndex)
/// 3. pdfPage.RenderToStreamAsync(stream) or pdfPage.RenderToStreamAsync(stream,pdfPageRenderOptions)
/// </summary>
private async Task RenderPDFPage(string pdfFileName, RENDEROPTIONS renderOptions)
{
try
{
StorageFile pdfFile = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFileAsync(pdfFileName);
//Load Pdf File
_pdfDocument = await PdfDocument.LoadFromFileAsync(pdfFile);;
if (_pdfDocument != null && _pdfDocument.PageCount > 0)
{
//Get Pdf page
var pdfPage = _pdfDocument.GetPage(PDF_PAGE_INDEX);
if (pdfPage != null)
{
// next, generate a bitmap of the page
StorageFolder tempFolder = ApplicationData.Current.TemporaryFolder;
StorageFile jpgFile = await tempFolder.CreateFileAsync(Guid.NewGuid().ToString() + ".png", CreationCollisionOption.ReplaceExisting);
if (jpgFile != null)
{
IRandomAccessStream randomStream = await jpgFile.OpenAsync(FileAccessMode.ReadWrite);
PdfPageRenderOptions pdfPageRenderOptions = new PdfPageRenderOptions();
switch (renderOptions)
{
case RENDEROPTIONS.NORMAL:
//Render Pdf page with default options
await pdfPage.RenderToStreamAsync(randomStream);
break;
case RENDEROPTIONS.ZOOM:
//set PDFPageRenderOptions.DestinationWidth or DestinationHeight with expected zoom value
Size pdfPageSize = pdfPage.Size;
pdfPageRenderOptions.DestinationHeight = (uint)pdfPageSize.Height * ZOOM_FACTOR;
//Render pdf page at a zoom level by passing pdfpageRenderOptions with DestinationLength set to the zoomed in length
await pdfPage.RenderToStreamAsync(randomStream, pdfPageRenderOptions);
break;
case RENDEROPTIONS.PORTION:
//Set PDFPageRenderOptions.SourceRect to render portion of a page
pdfPageRenderOptions.SourceRect = PDF_PORTION_RECT;
//Render portion of a page
await pdfPage.RenderToStreamAsync(randomStream, pdfPageRenderOptions);
break;
}
await randomStream.FlushAsync();
randomStream.Dispose();
pdfPage.Dispose();
await DisplayImageFileAsync(jpgFile);
}
}
}
}
catch (Exception err)
{
rootPage.NotifyUser("Error: " + err.Message, NotifyType.ErrorMessage);
}
}
/// <summary>
/// Maakt voor elk aangemaakt pdf bestand een nieuwe map met hierin alle pagina's apart per afbeelding.
/// </summary>
/// <param name="renderOption"></param>
/// <param name="bestanden">Een lijst met StorageFolders instanties</param>
/// <returns>Eventueel de lijst van StorageFiles indien nodig</returns>
public async Task <List <StorageFile> > GetAfbeeldingenVanPDF(RENDEROPTIONS renderOption, List <StorageFile> bestanden)
{
List <StorageFile> paginas = new List <StorageFile>(); //Bekomen lijst van PDF pagina als afbeelding
foreach (StorageFile bestand in bestanden)
{
string bestandsNaam = bestand.Name.Replace(".pdf", ""); //PDF extensie uit de naam wissen voor de folder
try
{
await doelfolder.CreateFolderAsync(bestandsNaam, CreationCollisionOption.ReplaceExisting); //Maak de doelfolder aan en vervang indien nodig
//PDF bestand laden
PdfDocument _pdfDocument = await PdfDocument.LoadFromFileAsync(bestand);;
if (_pdfDocument != null && _pdfDocument.PageCount > 0)
{
// next, generate a bitmap of the page
StorageFolder tempFolder = ApplicationData.Current.TemporaryFolder;
for (uint pagina = 0; pagina < _pdfDocument.PageCount; pagina++)
{
var pdfPage = _pdfDocument.GetPage(pagina);
if (pdfPage != null)
{
StorageFile jpgFile = await doelfolder.
CreateFileAsync(String.Format("\\{0}\\{1}_pagina{2}.png", bestandsNaam, bestandsNaam, pagina), CreationCollisionOption.ReplaceExisting);
if (jpgFile != null)
{
IRandomAccessStream randomStream = await jpgFile.OpenAsync(FileAccessMode.ReadWrite);
PdfPageRenderOptions pdfPageRenderOptions = new PdfPageRenderOptions();
switch (renderOption)
{
case RENDEROPTIONS.NORMAL:
//PDF pagina inladen
await pdfPage.RenderToStreamAsync(randomStream);
break;
case RENDEROPTIONS.ZOOM:
//set PDFPageRenderOptions.DestinationWidth or DestinationHeight with expected zoom value
Size pdfPageSize = pdfPage.Size;
pdfPageRenderOptions.DestinationHeight = (uint)pdfPageSize.Height * ZOOM_FACTOR;
//Render pdf page at a zoom level by passing pdfpageRenderOptions with DestinationLength set to the zoomed in length
await pdfPage.RenderToStreamAsync(randomStream, pdfPageRenderOptions);
break;
}
await randomStream.FlushAsync();
randomStream.Dispose();
pdfPage.Dispose();
paginas.Add(jpgFile);
}
}
}
}
}
catch (Exception e)
{
paLogging.log.Error(String.Format("Er is een fout opgetreden bij het converteren van pdf {0} naar afbeeldingen: {1}", bestandsNaam, e.Message));
}
}
return(paginas); //Pagina's teruggeven (leeg indien exception, e.d.)
}
/// <summary>
/// This renders PDF bitmap Image with render options
/// Rendering a pdf page requires following 3 steps
/// 1. PdfDocument.LoadFromFileAsync(pdfFile) which returns pdfDocument
/// 2. pdfDocument.GetPage(pageIndex)
/// 3. pdfPage.RenderToStreamAsync(stream) or pdfPage.RenderToStreamAsync(stream,pdfPageRenderOptions)
/// </summary>
public static async Task <Images> LoadPDFBitmapImage(StorageFile pdfFile, RENDEROPTIONS renderOptions)
{
Images image = new Images();
List <ImageSource> bitmapImageListForAllPages = new List <ImageSource>();
List <WriteableBitmap> lstwriteable = new List <WriteableBitmap>();
try
{
//Load Pdf File
PdfDocument _pdfDocument = await PdfDocument.LoadFromFileAsync(pdfFile);;
if (_pdfDocument != null && _pdfDocument.PageCount > 0)
{
for (uint i = 0; i < _pdfDocument.PageCount; i++)
{
//Get Pdf page
var pdfPage = _pdfDocument.GetPage(i);
if (pdfPage != null)
{
// next, generate a bitmap of the page
StorageFolder tempFolder = ApplicationData.Current.TemporaryFolder;
StorageFile jpgFile = await tempFolder.CreateFileAsync(Guid.NewGuid().ToString() + ".png", CreationCollisionOption.ReplaceExisting);
if (jpgFile != null)
{
IRandomAccessStream randomStream = await jpgFile.OpenAsync(FileAccessMode.ReadWrite);
PdfPageRenderOptions pdfPageRenderOptions = new PdfPageRenderOptions();
switch (renderOptions)
{
case RENDEROPTIONS.NORMAL:
//Render Pdf page with default options
await pdfPage.RenderToStreamAsync(randomStream);
break;
case RENDEROPTIONS.ZOOM:
//set PDFPageRenderOptions.DestinationWidth or DestinationHeight with expected zoom value
Size pdfPageSize = pdfPage.Size;
pdfPageRenderOptions.DestinationHeight = (uint)pdfPageSize.Height * ZOOM_FACTOR;
//Render pdf page at a zoom level by passing pdfpageRenderOptions with DestinationLength set to the zoomed in length
await pdfPage.RenderToStreamAsync(randomStream, pdfPageRenderOptions);
break;
case RENDEROPTIONS.PORTION:
//Set PDFPageRenderOptions.SourceRect to render portion of a page
pdfPageRenderOptions.SourceRect = PDF_PORTION_RECT;
//Render portion of a page
await pdfPage.RenderToStreamAsync(randomStream, pdfPageRenderOptions);
break;
}
Size size = pdfPage.Size;
WriteableBitmap writebitmap = new WriteableBitmap((int)size.Width, (int)size.Height);
writebitmap.SetSource(randomStream);
lstwriteable.Add(writebitmap);
//return src;
await randomStream.FlushAsync();
randomStream.Dispose();
pdfPage.Dispose();
// Display the image in the UI.
BitmapImage src = new BitmapImage();
//src.SetSource(randomStream);
src.SetSource(await jpgFile.OpenAsync(FileAccessMode.Read));
//jpgFile = await jpgFile.GetScaledImageAsThumbnailAsync(ThumbnailMode.DocumentsView, ZOOM_FACTOR, ThumbnailOptions.ResizeThumbnail);
bitmapImageListForAllPages.Add(src);
}
}
}
}
}
catch (Exception err)
{
}
image.ListImageDisplay.Add(bitmapImageListForAllPages);
image.ListWriteImages.Add(lstwriteable);
return(image);
}
/// <summary>
/// This renders PDF page with render options
/// Rendering a pdf page requires following 3 steps
/// 1. PdfDocument.LoadFromFileAsync(pdfFile) which returns pdfDocument
/// 2. pdfDocument.GetPage(pageIndex)
/// 3. pdfPage.RenderToStreamAsync(stream) or pdfPage.RenderToStreamAsync(stream,pdfPageRenderOptions)
/// </summary>
private async Task RenderPDFPage(string pdfFileName,RENDEROPTIONS renderOptions)
{
try
{
StorageFile pdfFile = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFileAsync(pdfFileName);
//Load Pdf File
_pdfDocument = await PdfDocument.LoadFromFileAsync(pdfFile); ;
if (_pdfDocument != null && _pdfDocument.PageCount > 0)
{
//Get Pdf page
var pdfPage = _pdfDocument.GetPage(PDF_PAGE_INDEX);
if (pdfPage != null)
{
// next, generate a bitmap of the page
StorageFolder tempFolder = ApplicationData.Current.TemporaryFolder;
StorageFile jpgFile = await tempFolder.CreateFileAsync(Guid.NewGuid().ToString() + ".png", CreationCollisionOption.ReplaceExisting);
if (jpgFile != null)
{
IRandomAccessStream randomStream = await jpgFile.OpenAsync(FileAccessMode.ReadWrite);
PdfPageRenderOptions pdfPageRenderOptions = new PdfPageRenderOptions();
switch (renderOptions)
{
case RENDEROPTIONS.NORMAL:
//Render Pdf page with default options
await pdfPage.RenderToStreamAsync(randomStream);
break;
case RENDEROPTIONS.ZOOM:
//set PDFPageRenderOptions.DestinationWidth or DestinationHeight with expected zoom value
Size pdfPageSize = pdfPage.Size;
pdfPageRenderOptions.DestinationHeight = (uint)pdfPageSize.Height * ZOOM_FACTOR;
//Render pdf page at a zoom level by passing pdfpageRenderOptions with DestinationLength set to the zoomed in length
await pdfPage.RenderToStreamAsync(randomStream, pdfPageRenderOptions);
break;
case RENDEROPTIONS.PORTION:
//Set PDFPageRenderOptions.SourceRect to render portion of a page
pdfPageRenderOptions.SourceRect = PDF_PORTION_RECT;
//Render portion of a page
await pdfPage.RenderToStreamAsync(randomStream, pdfPageRenderOptions);
break;
}
await randomStream.FlushAsync();
randomStream.Dispose();
pdfPage.Dispose();
await DisplayImageFileAsync(jpgFile);
}
}
}
}
catch (Exception err)
{
rootPage.NotifyUser("Error: " + err.Message, NotifyType.ErrorMessage);
}
}
/// <summary>
/// Maakt voor elk aangemaakt pdf bestand een nieuwe map met hierin alle pagina's apart per afbeelding.
/// </summary>
/// <param name="renderOption"></param>
/// <param name="bestanden">Een lijst met StorageFolders instanties</param>
/// <returns>Eventueel de lijst van StorageFiles indien nodig</returns>
public async Task<List<StorageFile>> GetAfbeeldingenVanPDF(RENDEROPTIONS renderOption, List<StorageFile> bestanden)
{
List<StorageFile> paginas = new List<StorageFile>(); //Bekomen lijst van PDF pagina als afbeelding
foreach (StorageFile bestand in bestanden)
{
string bestandsNaam = bestand.Name.Replace(".pdf", ""); //PDF extensie uit de naam wissen voor de folder
try
{
await doelfolder.CreateFolderAsync(bestandsNaam, CreationCollisionOption.ReplaceExisting); //Maak de doelfolder aan en vervang indien nodig
//PDF bestand laden
PdfDocument _pdfDocument = await PdfDocument.LoadFromFileAsync(bestand); ;
if (_pdfDocument != null && _pdfDocument.PageCount > 0)
{
// next, generate a bitmap of the page
StorageFolder tempFolder = ApplicationData.Current.TemporaryFolder;
for (uint pagina = 0; pagina < _pdfDocument.PageCount; pagina++)
{
var pdfPage = _pdfDocument.GetPage(pagina);
if (pdfPage != null)
{
StorageFile jpgFile = await doelfolder.
CreateFileAsync(String.Format("\\{0}\\{1}_pagina{2}.png", bestandsNaam, bestandsNaam, pagina), CreationCollisionOption.ReplaceExisting);
if (jpgFile != null)
{
IRandomAccessStream randomStream = await jpgFile.OpenAsync(FileAccessMode.ReadWrite);
PdfPageRenderOptions pdfPageRenderOptions = new PdfPageRenderOptions();
switch (renderOption)
{
case RENDEROPTIONS.NORMAL:
//PDF pagina inladen
await pdfPage.RenderToStreamAsync(randomStream);
break;
case RENDEROPTIONS.ZOOM:
//set PDFPageRenderOptions.DestinationWidth or DestinationHeight with expected zoom value
Size pdfPageSize = pdfPage.Size;
pdfPageRenderOptions.DestinationHeight = (uint)pdfPageSize.Height * ZOOM_FACTOR;
//Render pdf page at a zoom level by passing pdfpageRenderOptions with DestinationLength set to the zoomed in length
await pdfPage.RenderToStreamAsync(randomStream, pdfPageRenderOptions);
break;
}
await randomStream.FlushAsync();
randomStream.Dispose();
pdfPage.Dispose();
paginas.Add(jpgFile);
}
}
}
}
}
catch (Exception e)
{
paLogging.log.Error(String.Format("Er is een fout opgetreden bij het converteren van pdf {0} naar afbeeldingen: {1}", bestandsNaam, e.Message));
}
}
return paginas; //Pagina's teruggeven (leeg indien exception, e.d.)
}
/// <summary>
/// This renders PDF bitmap Image with render options
/// Rendering a pdf page requires following 3 steps
/// 1. PdfDocument.LoadFromFileAsync(pdfFile) which returns pdfDocument
/// 2. pdfDocument.GetPage(pageIndex)
/// 3. pdfPage.RenderToStreamAsync(stream) or pdfPage.RenderToStreamAsync(stream,pdfPageRenderOptions)
/// </summary>
public static async Task<Images> LoadPDFBitmapImage(StorageFile pdfFile, RENDEROPTIONS renderOptions)
{
Images image = new Images();
List<ImageSource> bitmapImageListForAllPages = new List<ImageSource>();
List<WriteableBitmap> lstwriteable = new List<WriteableBitmap>();
try
{
//Load Pdf File
PdfDocument _pdfDocument = await PdfDocument.LoadFromFileAsync(pdfFile); ;
if (_pdfDocument != null && _pdfDocument.PageCount > 0)
{
for (uint i = 0; i < _pdfDocument.PageCount; i++)
{
//Get Pdf page
var pdfPage = _pdfDocument.GetPage(i);
if (pdfPage != null)
{
// next, generate a bitmap of the page
StorageFolder tempFolder = ApplicationData.Current.TemporaryFolder;
StorageFile jpgFile = await tempFolder.CreateFileAsync(Guid.NewGuid().ToString() + ".png", CreationCollisionOption.ReplaceExisting);
if (jpgFile != null)
{
IRandomAccessStream randomStream = await jpgFile.OpenAsync(FileAccessMode.ReadWrite);
PdfPageRenderOptions pdfPageRenderOptions = new PdfPageRenderOptions();
switch (renderOptions)
{
case RENDEROPTIONS.NORMAL:
//Render Pdf page with default options
await pdfPage.RenderToStreamAsync(randomStream);
break;
case RENDEROPTIONS.ZOOM:
//set PDFPageRenderOptions.DestinationWidth or DestinationHeight with expected zoom value
Size pdfPageSize = pdfPage.Size;
pdfPageRenderOptions.DestinationHeight = (uint)pdfPageSize.Height * ZOOM_FACTOR;
//Render pdf page at a zoom level by passing pdfpageRenderOptions with DestinationLength set to the zoomed in length
await pdfPage.RenderToStreamAsync(randomStream, pdfPageRenderOptions);
break;
case RENDEROPTIONS.PORTION:
//Set PDFPageRenderOptions.SourceRect to render portion of a page
pdfPageRenderOptions.SourceRect = PDF_PORTION_RECT;
//Render portion of a page
await pdfPage.RenderToStreamAsync(randomStream, pdfPageRenderOptions);
break;
}
Size size = pdfPage.Size;
WriteableBitmap writebitmap = new WriteableBitmap((int)size.Width, (int)size.Height);
writebitmap.SetSource(randomStream);
lstwriteable.Add(writebitmap);
//return src;
await randomStream.FlushAsync();
randomStream.Dispose();
pdfPage.Dispose();
// Display the image in the UI.
BitmapImage src = new BitmapImage();
//src.SetSource(randomStream);
src.SetSource(await jpgFile.OpenAsync(FileAccessMode.Read));
//jpgFile = await jpgFile.GetScaledImageAsThumbnailAsync(ThumbnailMode.DocumentsView, ZOOM_FACTOR, ThumbnailOptions.ResizeThumbnail);
bitmapImageListForAllPages.Add(src);
}
}
}
}
}
catch (Exception err)
{
}
image.ListImageDisplay.Add(bitmapImageListForAllPages);
image.ListWriteImages.Add(lstwriteable);
return image;
}
