/// <summary>
/// 1) Remove carbon black field(K) from CMYK colorspace from PDF file.
/// 2) Make Ncoded PDF with Ncode image files.
/// </summary>
/// <param name="inputPdfFilename"></param>
/// <param name="outputPdfFilename"></param>
/// <param name="ncodeIamgeFilenames"></param>
void RemoveK_and_AddNcode(string inputPdfFilename, string outputPdfFilename, string[] ncodeIamgeFilenames)
{
Console.WriteLine("2) Remove carbon black field(K) from CMYK colorspace from PDF file");
Console.WriteLine();
IPDFDocument doc = lib.openDocument(inputPdfFilename);
IPDFDocument newDoc = lib.copyDocumentOnlyPageStructure(doc);
for (int i = 0; i < newDoc.getPageCount(); i++)
{
using (IPDFPage newPage = newDoc.getPageObj(i))
{
newPage.convertColorSpaceToCMY(doc);
}
}
Console.WriteLine("3) Make Ncoded PDF with Ncode image files.");
Console.WriteLine();
/////////////////////////////////////////////////////////////////////
// caution : This code will not work unless Ncode image's bpp is 1.
/////////////////////////////////////////////////////////////////////
System.IO.MemoryStream[] ms = new System.IO.MemoryStream[ncodeIamgeFilenames.Length];
for (int i = 0; i < ncodeIamgeFilenames.Length; ++i)
{
ms[i] = new System.IO.MemoryStream();
System.Drawing.Image ss = System.Drawing.Image.FromFile(ncodeIamgeFilenames[i]);
ss.Save(ms[i], System.Drawing.Imaging.ImageFormat.Tiff);
}
for (int j = 0; j < newDoc.getPageCount(); ++j)
{
using (var page = newDoc.getPageObj(j))
{
double x0, y0, x1, y1;
x0 = y0 = x1 = y1 = 0;
page.getPageMediaBox(ref x0, ref y0, ref x1, ref y1, true);
page.addImageContentOver_usingStream(ms[j], true, x0, y0, x1, y1);
}
ms[j].Dispose();
}
newDoc.saveDocumentAs(outputPdfFilename);
newDoc.closeDocument();
}
/// <summary>
/// 1) Remove carbon black field(K) from CMYK colorspace from PDF file.
/// 2) Make Ncoded PDF with Ncode image files.
/// </summary>
/// <param name="inputPdfFilename"></param>
/// <param name="outputPdfFilename"></param>
/// <param name="ncodeIamgeFilenames"></param>
void RemoveK_and_AddNcode_from_Image(string inputPdfFilename, string outputPdfFilename, string[] ncodeIamgeFilenames)
{
IPDFDocument doc = lib.openDocument(inputPdfFilename);
IPDFDocument newDoc = lib.copyDocument(doc);
if (doc == null)
{
Console.WriteLine(" Cannot open input PDF file.");
return;
}
if (doc.getPageCount() != ncodeImageFilename.Length)
{
Console.WriteLine(" Page count is not correct");
Console.WriteLine(" input PDF pages : " + doc.getPageCount().ToString());
Console.WriteLine(" Ncode image pages : " + ncodeImageFilename.Length.ToString());
return;
}
Console.WriteLine();
Console.WriteLine("1) Removing carbon black field(K) from CMYK colorspace from PDF file");
Console.WriteLine(" ! This step does not work if you have not entered the correct libKey.");
Console.WriteLine();
if (newDoc.controller().IsLibKeyOk() == true)
{
for (int i = 0; i < newDoc.getPageCount(); i++)
{
using (IPDFPage newPage = newDoc.getPageObj(i))
{
if (newPage.convertColorSpaceToCMY(doc, 200) == false)
{
Console.WriteLine(newPage.lastErrorMsg());
return;
}
}
}
}
Console.WriteLine("2) Making Ncoded PDF with Ncode image files.");
Console.WriteLine();
/////////////////////////////////////////////////////////////////////
// caution : This code will not work unless Ncode image's bpp is 1.
/////////////////////////////////////////////////////////////////////
System.IO.MemoryStream[] ms = new System.IO.MemoryStream[ncodeIamgeFilenames.Length];
for (int i = 0; i < ncodeIamgeFilenames.Length; ++i)
{
ms[i] = new System.IO.MemoryStream();
System.Drawing.Image ss = System.Drawing.Image.FromFile(ncodeIamgeFilenames[i]);
ss.Save(ms[i], System.Drawing.Imaging.ImageFormat.Tiff);
using (var page = newDoc.getPageObj(i))
{
double x0, y0, x1, y1;
x0 = y0 = 0;
x1 = ss.Width * 72 / 600;
y1 = ss.Height * 72 / 600;
if (page.addImageContentOver_usingStream(ms[i], true, x0, y0, x1, y1) == false)
{
Console.WriteLine(page.lastErrorMsg());
return;
}
}
ms[i].Dispose();
}
newDoc.saveDocumentAs(outputPdfFilename);
newDoc.closeDocument();
doc.closeDocument();
}
public Program()
{
// Initializing libraries
Console.WriteLine("//////////////////////////");
Console.WriteLine(" Initializing libraries");
Console.WriteLine("//////////////////////////");
Console.WriteLine();
sdk = new CNcodeSDK();
lib = new PDFControl();
// This is sample app key for testing.
// If you have your app key, enter here.
string appKey_NcodeSDK = "184b265d3aed5ccfab05c6b5167f3";
if (!sdk.Init(appKey_NcodeSDK))
{
Console.WriteLine("Initializing Ncode SDK failed.");
return;
}
else
{
Console.WriteLine("Ncode SDK version : " + sdk.GetVersion());
Console.WriteLine();
}
// Enter resource folder path
string libPath = Directory.GetCurrentDirectory();
// This libKey is not the license key.
// Please refer below description of Datalogics' sample code.
// This libKey is needed for remove K from CMYK color space.
// If you don't need remove K, leave libKey blank.
// Datalogics description
/* You may find that you receive exceptions when you attempt to open
* PDF files that contain permissions restrictions on content or image
* extraction. This is due to the APIs used for viewing: these can
* also be used in other contexts for content extraction or enabling
* save-as-image capabilities. If you are making a PDF file viewer and
* you encounter this situation, please contact your support
* representative or [email protected] to request a key to enable
* bypassing this restriction check.
*/
string libKey = "";
if (!lib.init(libPath, libKey))
{
Console.WriteLine("Initializing Adobe PDF lib failed.");
return;
}
Console.WriteLine("///////////////////");
Console.WriteLine(" Creating Ncode");
Console.WriteLine("///////////////////");
Console.WriteLine();
IPDFDocument doc = lib.openDocument("input_sample.pdf");
int pageCount = doc.getPageCount();
ncodeImageFilename = new string[pageCount];
GenerateNcode(pageCount);
Console.WriteLine("////////////////////////");
Console.WriteLine(" Creating Ncoded PDF");
Console.WriteLine("////////////////////////");
RemoveK_and_AddNcode_from_Image("input_sample.pdf", "output.pdf", ncodeImageFilename);
lib.libraryCleanUp();
Console.WriteLine();
Console.WriteLine("-- Complete --");
Console.ReadLine();
}
