void draw( char* pszBuffer, PdfDocument* pDocument )
{
PdfPage* pPage;
PdfPainter painter;
PdfFont* pFont;
PdfRect size;
double dX = BORDER_LEFT;
double dY = BORDER_TOP;
char* pszStart = pszBuffer;
size = PdfPage::CreateStandardPageSize( ePdfPageSize_A4 );
pFont = pDocument->CreateFont( "Arial" );
pPage = pDocument->CreatePage( size );
if( !pFont )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
pFont->SetFontSize( FONT_SIZE );
painter.SetPage( pPage );
painter.SetFont( pFont );
while( *pszBuffer )
{
if( *pszBuffer == '\n' )
{
painter.DrawText( dX, dY, pszStart, pszBuffer-pszStart );
pszStart = (++pszBuffer);
dY += pFont->GetFontMetrics()->GetLineSpacing();
if( dY > (size.GetHeight() - BORDER_TOP) )
{
pPage = pDocument->CreatePage( size );
painter.SetPage( pPage );
dY = BORDER_TOP;
}
}
else
++pszBuffer;
}
painter.FinishPage();
}
void PagesTreeTest::testCreateDelete()
{
PdfMemDocument writer;
PdfPage* pPage;
PdfPainter painter;
PdfFont * pFont;
// create font
pFont = writer.CreateFont( "Arial" );
if( !pFont )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
pFont->SetFontSize( 16.0 );
// write 1. page
pPage = writer.CreatePage( PdfPage::CreateStandardPageSize( ePdfPageSize_A4 ) );
painter.SetPage( pPage );
painter.SetFont( pFont );
painter.DrawText( 200, 200, "Page 1" );
painter.FinishPage();
CPPUNIT_ASSERT_EQUAL( writer.GetPageCount(), 1 );
// write 2. page
pPage = writer.CreatePage( PdfPage::CreateStandardPageSize( ePdfPageSize_A4 ) );
painter.SetPage( pPage );
painter.DrawText( 200, 200, "Page 2" );
painter.FinishPage();
CPPUNIT_ASSERT_EQUAL( writer.GetPageCount(), 2 );
// try to delete second page, index is 0 based
writer.DeletePages( 1, 1 );
CPPUNIT_ASSERT_EQUAL( writer.GetPageCount(), 1 );
// write 3. page
pPage = writer.CreatePage( PdfPage::CreateStandardPageSize( ePdfPageSize_A4 ) );
painter.SetPage( pPage );
painter.DrawText( 200, 200, "Page 3" );
painter.FinishPage();
CPPUNIT_ASSERT_EQUAL( writer.GetPageCount(), 2 );
}
void EncryptTest::CreatedEncrypedPdf( const char* pszFilename )
{
PdfMemDocument writer;
PdfPage* pPage = writer.CreatePage( PdfPage::CreateStandardPageSize( ePdfPageSize_A4 ) );
PdfPainter painter;
painter.SetPage( pPage );
PdfFont* pFont = writer.CreateFont( "Arial", PdfEncodingFactory::GlobalWinAnsiEncodingInstance(), false );
if( !pFont )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
pFont->SetFontSize( 16.0 );
painter.SetFont( pFont );
painter.DrawText( 100, 100, "Hello World" );
painter.FinishPage();
writer.SetEncrypted( "user", "owner" );
writer.Write( pszFilename );
printf( "Wrote: %s\n", pszFilename );
}
void draw( char* pszBuffer, PdfDocument* pDocument, bool bUtf8, const char* pszFontName )
{
PdfPage* pPage;
PdfPainter painter;
PdfFont* pFont;
PdfRect size;
const PdfEncoding* pEncoding;
double dX = BORDER_LEFT;
double dY = BORDER_TOP;
char* pszStart = pszBuffer;
if( bUtf8 )
{
pEncoding = new PdfIdentityEncoding();
}
else
{
pEncoding = PdfEncodingFactory::GlobalWinAnsiEncodingInstance();
}
size = PdfPage::CreateStandardPageSize( ePdfPageSize_A4 );
pFont = pDocument->CreateFont( pszFontName, pEncoding );
pPage = pDocument->CreatePage( size );
dY = size.GetHeight() - dY;
if( !pFont )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
pFont->SetFontSize( FONT_SIZE );
painter.SetPage( pPage );
painter.SetFont( pFont );
while( *pszBuffer )
{
if( *pszBuffer == '\n' )
{
if( bUtf8 )
{
painter.DrawText( dX, dY, PdfString( reinterpret_cast<const pdf_utf8*>(pszStart),
pszBuffer-pszStart ) );
}
else
{
painter.DrawText( dX, dY, pszStart, pszBuffer-pszStart );
}
pszStart = (++pszBuffer);
dY -= pFont->GetFontMetrics()->GetLineSpacing();
if( dY < BORDER_TOP )
{
pPage = pDocument->CreatePage( size );
painter.SetPage( pPage );
dY = size.GetHeight() - dY;
}
}
else
++pszBuffer;
}
painter.FinishPage();
}
void HelloWorld( const char* pszFilename )
{
/*
* PdfStreamedDocument is the class that can actually write a PDF file.
* PdfStreamedDocument is much faster than PdfDocument, but it is only
* suitable for creating/drawing PDF files and cannot modify existing
* PDF documents.
*
* The document is written directly to pszFilename while being created.
*/
PdfStreamedDocument document( pszFilename );
/*
* PdfPainter is the class which is able to draw text and graphics
* directly on a PdfPage object.
*/
PdfPainter painter;
/*
* This pointer will hold the page object later.
* PdfSimpleWriter can write several PdfPage's to a PDF file.
*/
PdfPage* pPage;
/*
* A PdfFont object is required to draw text on a PdfPage using a PdfPainter.
* PoDoFo will find the font using fontconfig on your system and embedd truetype
* fonts automatically in the PDF file.
*/
PdfFont* pFont;
try {
/*
* The PdfDocument object can be used to create new PdfPage objects.
* The PdfPage object is owned by the PdfDocument will also be deleted automatically
* by the PdfDocument object.
*
* You have to pass only one argument, i.e. the page size of the page to create.
* There are predefined enums for some common page sizes.
*/
pPage = document.CreatePage( PdfPage::CreateStandardPageSize( ePdfPageSize_A4 ) );
/*
* If the page cannot be created because of an error (e.g. ePdfError_OutOfMemory )
* a NULL pointer is returned.
* We check for a NULL pointer here and throw an exception using the RAISE_ERROR macro.
* The raise error macro initializes a PdfError object with a given error code and
* the location in the file in which the error ocurred and throws it as an exception.
*/
if( !pPage )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
/*
* Set the page as drawing target for the PdfPainter.
* Before the painter can draw, a page has to be set first.
*/
painter.SetPage( pPage );
/*
* Create a PdfFont object using the font "Arial".
* The font is found on the system using fontconfig and embedded into the
* PDF file. If Arial is not available, a default font will be used.
*
* The created PdfFont will be deleted by the PdfDocument.
*/
pFont = document.CreateFont( "Arial" );
/*
* If the PdfFont object cannot be allocated return an error.
*/
if( !pFont )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
/*
* Set the font size
*/
pFont->SetFontSize( 18.0 );
/*
* Set the font as default font for drawing.
* A font has to be set before you can draw text on
* a PdfPainter.
*/
painter.SetFont( pFont );
/*
* You could set a different color than black to draw
* the text.
*
* SAFE_OP( painter.SetColor( 1.0, 0.0, 0.0 ) );
*/
/*
* Actually draw the line "Hello World!" on to the PdfPage at
* the position 2cm,2cm from the top left corner.
* Please remember that PDF files have their origin at the
* bottom left corner. Therefore we substract the y coordinate
* from the page height.
*
* The position specifies the start of the baseline of the text.
*
* All coordinates in PoDoFo are in PDF units.
* You can also use PdfPainterMM which takes coordinates in 1/1000th mm.
*
*/
painter.DrawText( 56.69, pPage->GetPageSize().GetHeight() - 56.69, "Hello World!" );
/*
* Tell PoDoFo that the page has been drawn completely.
* This required to optimize drawing operations inside in PoDoFo
* and has to be done whenever you are done with drawing a page.
*/
painter.FinishPage();
/*
* Set some additional information on the PDF file.
*/
document.GetInfo()->SetCreator ( PdfString("examplahelloworld - A PoDoFo test application") );
document.GetInfo()->SetAuthor ( PdfString("Dominik Seichter") );
document.GetInfo()->SetTitle ( PdfString("Hello World") );
document.GetInfo()->SetSubject ( PdfString("Testing the PoDoFo PDF Library") );
document.GetInfo()->SetKeywords( PdfString("Test;PDF;Hello World;") );
/*
* The last step is to close the document.
*/
document.Close();
} catch ( const PdfError & e ) {
/*
* All PoDoFo methods may throw exceptions
* make sure that painter.FinishPage() is called
* or who will get an assert in its destructor
*/
try {
painter.FinishPage();
} catch( ... ) {
/*
* Ignore errors this time
*/
}
throw e;
}
}
err_info *Pdfwrite::create (void)
{
try
{
qDebug () << _fname;
_doc = new PdfMemDocument ();
_doc->GetInfo()->SetCreator ( PdfString("examplahelloworld - A PoDoFo test application") );
_doc->GetInfo()->SetAuthor ( PdfString("Dominik Seichter") );
_doc->GetInfo()->SetTitle ( PdfString("Hello World") );
_doc->GetInfo()->SetSubject ( PdfString("Testing the PoDoFo PDF Library") );
_doc->GetInfo()->SetKeywords( PdfString("Test;PDF;Hello World;") );
}
catch (const PdfError &eCode)
{
return err_make (ERRFN, E_pdf_creation_error1, eCode.ErrorMessage (eCode.GetError()));
}
#if 0
try
{
_doc = new PdfStreamedDocument (_fname.latin1 ());
PdfPage* pPage;
PdfPainter painter;
PdfFont* pFont;
pPage = _doc->CreatePage( PdfPage::CreateStandardPageSize( ePdfPageSize_A4 ) );
if( !pPage )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
painter.SetPage( pPage );
pFont = _doc->CreateFont( "Arial" );
if( !pFont )
{
PODOFO_RAISE_ERROR( ePdfError_InvalidHandle );
}
pFont->SetFontSize( 18.0 );
painter.SetFont( pFont );
painter.DrawText( 56.69, pPage->GetPageSize().GetHeight() - 56.69, "Hello World!" );
painter.FinishPage();
_doc->GetInfo()->SetCreator ( PdfString("examplahelloworld - A PoDoFo test application") );
_doc->GetInfo()->SetAuthor ( PdfString("Dominik Seichter") );
_doc->GetInfo()->SetTitle ( PdfString("Hello World") );
_doc->GetInfo()->SetSubject ( PdfString("Testing the PoDoFo PDF Library") );
_doc->GetInfo()->SetKeywords( PdfString("Test;PDF;Hello World;") );
_doc->Close();
}
catch (const PdfError &eCode)
{
return err_make (ERRFN, E_pdf_creation_error1, eCode.ErrorMessage (eCode.GetError()));
}
#endif
return NULL;
}