PDF Creator Pilot documentation |
Download CHM version of this manual. |
|
   Collapse AllThis method returns a generated PDF document as a byte array.
|
| VARIANT GetBuffer () |
Return value
Array of bytes representing the PDF document
Remarks
This method returns a generated PDF file as a byte array and can be used within methods for streaming output to a PDF. To use this method in the full version of the library, you must have at least a Web License.
Example
How to Create a PDF Document and Return the Data in a Web Application
Delphi
[copy to clipboard]
{ PDF object is supposed to be created }
font := PDF.AddFont('Arial', false, false, false, false, fcDefault);
PDF.UseFont(font, 10);
PDF.ShowTextAt(10, 10, 'This is the 1st page.');
Response.Clear;
Response.ContentType := 'application/pdf';
Response.AddHeader('Content-Type', 'application/pdf');
Response.AddHeader('Content-Disposition', 'inline;filename=form.pdf');
Response.AddHeader('Content-Length', PDF.GetBufferSize.ToString());
Response.BinaryWrite(PDF.GetBuffer());
Response.End();
C/C++
[copy to clipboard]
void copyToByteArray(VARIANT variant, unsigned char** p_arrayDest, int& iMemSize);
int _tmain(int argc, _TCHAR* argv[])
{
::CoInitialize(NULL);
// declare PDF Creator Pilot object
IPDFDocument4* PDF = NULL;
CLSID clsid_PDFCreatorPilot;
CLSIDFromProgID(OLESTR("PDFCreatorPilot.PDFDocument4"), &clsid_PDFCreatorPilot);
::CoCreateInstance(clsid_PDFCreatorPilot, NULL, CLSCTX_ALL, __uuidof(IPDFDocument4), (LPVOID*)&PDF);
if(PDF == NULL)
{
::CoUninitialize();
return 1;
}
long font = PDF->AddFont("Arial", false, false, false, false, fcDefault);
PDF->UseFont(font, 10);
PDF->ShowTextAt(10, 10, "This is the 1st page.");
long s = PDF->GetBufferSize();
_variant_t vt = PDF->GetBuffer();
size_t size = 0;
unsigned char* buffer = 0;
copyToByteArray(vt.GetVARIANT(), &buffer, (int&)size);
// PDF object is supposed to be created
long font = PDF->AddFont("Arial", false, false, false, false, fcDefault);
PDF->UseFont(font, 10)
PDF->ShowTextAt(10, 10, "This is the 1st page.");
Response->Clear();
Response->ContentType = "application/pdf";
Response->AddHeader("Content-Type", "application/pdf");
Response->AddHeader("Content-Disposition", "inline;filename=form.pdf");
Response->AddHeader("Content-Length", itoa(PDF->GetBufferSize()));
Response->BinaryWrite(buffer);
Response->End();
// after all we clear memory
delete [] buffer;
::CoUninitialize();
return 0;
}
void copyToByteArray(VARIANT variant, unsigned char** p_arrayDest, int& iMemSize)
{
SAFEARRAY* pSafeArray = variant.parray;
long lStartBound = 0;
SafeArrayGetLBound(pSafeArray, 1, &lStartBound);
long lEndBound = 0;
SafeArrayGetUBound(pSafeArray, 1, &lEndBound);
BYTE* arrayAccess = 0;
SafeArrayAccessData(pSafeArray, (void**)&arrayAccess);
int i_size = (lEndBound - lStartBound + 1) * sizeof(BYTE);
*p_arrayDest = new unsigned char [i_size];
memcpy(*p_arrayDest, (const void *) &(arrayAccess[0]), i_size);
iMemSize = i_size;
SafeArrayDestroy(pSafeArray);
SafeArrayUnaccessData(pSafeArray);
}
C#
[copy to clipboard]
// PDF object is supposed to be created
long font = PDF.AddFont("Arial", false, false, false, false, FontCharset.fcDefault);
PDF.UseFont(font, 10);
PDF.ShowTextAt(10, 10, "This is the 1st page.");
Response.Clear();
Response.ContentType = "application/pdf";
Response.AddHeader("Content-Disposition", "inline;filename=form.pdf");
Response.AddHeader("Content-Length", PDF.GetBufferSize.ToString());
Response.BinaryWrite((byte[])PDF.GetBuffer());
Response.End();
Visual Basic
[copy to clipboard]
' PDF object is supposed to be created
font = PDF.AddFont("Arial", false, false, false, false, 1) 'fcDefault
PDF.UseFont font, 10
PDF.ShowTextAt 10, 10, "This is the 1st page."
Response.Clear
Response.ContentType = "application/pdf"
Response.AddHeader "Content-Type", "application/pdf"
Response.AddHeader "Content-Disposition", "inline;filename=test.pdf"
Response.AddHeader "Content-Length", PDF.GetBufferSize
Response.BinaryWrite PDF.GetBuffer
See Also
Reference