/// <summary>
/// How to rasterize a document - save the document pages as images.
/// </summary>
/// <remarks>
/// Details: https://www.sautinsoft.com/products/document/help/net/developer-guide/rasterize-save-document-pages-as-picture-net-csharp-vb.php
/// </remarks>
static void RasterizeDocument()
{
// Rasterizing - it's process of converting the document pages into raster images.
// In this example we'll show how to rasterize/save a document page into PNG picture.
string pngFile = @"Result.png";
// Let's create a simple PDF document.
DocumentCore dc = new DocumentCore();
// Add new section.
Section section = new Section(dc);
dc.Sections.Add(section);
// Let's set page size A4.
section.PageSetup.PaperType = PaperType.A4;
section.PageSetup.PageMargins.Left = LengthUnitConverter.Convert(10, LengthUnit.Millimeter, LengthUnit.Point);
section.PageSetup.PageMargins.Right = LengthUnitConverter.Convert(10, LengthUnit.Millimeter, LengthUnit.Point);
// Add any text on 1st page.
Paragraph par1 = new Paragraph(dc);
par1.ParagraphFormat.Alignment = HorizontalAlignment.Center;
section.Blocks.Add(par1);
// Let's create a characterformat for text in the 1st paragraph.
CharacterFormat cf = new CharacterFormat()
{
FontName = "Verdana", Size = 86, FontColor = new SautinSoft.Document.Color("#FFFF00")
};
Run text1 = new Run(dc, "You are welcome!");
text1.CharacterFormat = cf;
par1.Inlines.Add(text1);
// Create the document paginator to get separate document pages.
DocumentPaginator documentPaginator = dc.GetPaginator(new PaginatorOptions()
{
UpdateFields = true
});
// To get high-quality image, lets set 300 dpi.
int dpi = 300;
// Get the 1st page.
DocumentPage page = documentPaginator.Pages[0];
// Rasterize/convert the page into PNG image.
Bitmap image = page.Rasterize(dpi, SautinSoft.Document.Color.LightGray);
image.Save(pngFile, System.Drawing.Imaging.ImageFormat.Png);
// Open the result for demonstration purposes.
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(pngFile)
{
UseShellExecute = true
});
}
/// <summary>
/// Loads a document and saves all pages as images.
/// </summary>
/// <remarks>
/// Details: https://sautinsoft.com/products/document/help/net/developer-guide/save-document-as-image-net-csharp-vb.php
/// </remarks>
static void SaveToImage()
{
string filePath = @"..\..\example.docx";
DocumentCore dc = DocumentCore.Load(filePath);
string folderPath = Path.GetFullPath(@"Result-files");
DocumentPaginator dp = dc.GetPaginator();
for (int i = 0; i < dp.Pages.Count; i++)
{
DocumentPage page = dp.Pages[i];
// For example, set DPI: 72, Background: White.
Bitmap image = page.Rasterize(72, SautinSoft.Document.Color.White);
Directory.CreateDirectory(folderPath);
image.Save(folderPath + @"\Page - " + i.ToString() + ".png", ImageFormat.Png);
}
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(folderPath)
{
UseShellExecute = true
});
}
/// <summary>
/// Load a document and save all pages as separate PNG & Jpeg images.
/// </summary>
/// <remarks>
/// Details: https://sautinsoft.com/products/document/help/net/developer-guide/pagination-save-document-pages-as-png-jpg-jpeg-net-csharp-vb.php
/// </remarks>
static void SeparateDocumentToImagePages()
{
string filePath = @"..\..\example.docx";
DocumentCore dc = DocumentCore.Load(filePath);
string folderPath = Path.GetFullPath(@"Result-files");
DocumentPaginator dp = dc.GetPaginator();
for (int i = 0; i < dp.Pages.Count; i++)
{
DocumentPage page = dp.Pages[i];
Directory.CreateDirectory(folderPath);
// Save the each page as Bitmap.
Bitmap bmp = page.Rasterize(300, SautinSoft.Document.Color.White);
// Save the bitmap to PNG and JPEG.
bmp.Save(folderPath + @"\Page (PNG) - " + (i + 1).ToString() + ".png");
bmp.Save(folderPath + @"\Page (Jpeg) - " + (i + 1).ToString() + ".jpg");
}
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(folderPath)
{
UseShellExecute = true
});
}
