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Copy pathDocument.cpp
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executable file
·346 lines (275 loc) · 8.13 KB
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//
// Document.cpp
//
// $Id: //poco/Main/PDF/src/Document.cpp#2 $
//
// Library: PDF
// Package: PDFCore
// Module: Document
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/PDF/Document.h"
#include "Poco/PDF/PDFException.h"
#include "Poco/File.h"
#include "Poco/Path.h"
#include "Poco/LocalDateTime.h"
#include "Poco/DateTimeFormatter.h"
#include "Poco/StringTokenizer.h"
#include "Poco/NumberParser.h"
#include <utility>
namespace Poco {
namespace PDF {
Document::Document(const std::string fileName,
Poco::UInt32 pageCount,
Page::Size pageSize,
Page::Orientation orientation):
_pdf(HPDF_New(HPDF_Error_Handler, 0)),
_fileName(fileName),
_pRawData(0),
_size(0)
{
compression(COMPRESSION_ALL);
for (Poco::UInt32 i = 0; i < pageCount; ++i)
addPage(pageSize, orientation);
}
Document::Document(Poco::UInt32 pageCount,
Page::Size pageSize,
Page::Orientation orientation):
_pdf(HPDF_New(HPDF_Error_Handler, 0)),
_pRawData(0),
_size(0)
{
compression(COMPRESSION_ALL);
for (Poco::UInt32 i = 0; i < pageCount; ++i)
addPage();
}
Document::~Document()
{
HPDF_Free(_pdf);
delete _pRawData;
}
void Document::createNew(bool resetAll)
{
reset(resetAll);
HPDF_NewDoc(_pdf);
}
void Document::save(const std::string fileName)
{
std::string fn = fileName.empty() ? _fileName : fileName;
if (fn.empty())
HPDF_SaveToStream (_pdf);
else
HPDF_SaveToFile(_pdf, fn.c_str());
}
const Document::DataPtr Document::data(SizeType& sz)
{
sz = size();
delete _pRawData;
_pRawData = new HPDF_BYTE[sz];
HPDF_ReadFromStream(_pdf, _pRawData, &sz);
return _pRawData;
}
Document::SizeType Document::size()
{
if (HPDF_Stream_Validate(_pdf->stream)) HPDF_ResetStream(_pdf);
HPDF_SaveToStream(_pdf);
return _size = HPDF_GetStreamSize(_pdf);
}
const Page& Document::addPage(Page::Size pageSize, Page::Orientation orientation)
{
Page page(&_pdf, HPDF_AddPage(_pdf), pageSize);
page.setSizeAndOrientation(pageSize, orientation);
_pages.push_back(page);
return _pages.back();
}
const Page& Document::insertPage(int index,
Page::Size pageSize,
Page::Orientation orientation)
{
poco_assert (index > 0);
poco_assert (index < _pages.size());
HPDF_Page HPDF_List_ItemAt(_pdf->page_list, static_cast<HPDF_UINT>(index)));
return *_pages.insert(_pages.begin() + index,
Page(&_pdf,
HPDF_InsertPage(_pdf, target),
pageSize,
orientation));
}
const Page& Document::getCurrentPage()
{
Page p(&_pdf, HPDF_GetCurrentPage(_pdf));
PageContainer::iterator it = _pages.begin();
PageContainer::iterator end = _pages.end();
for (;it != end; ++it)
if (*it == p) return *it;
throw NotFoundException("Current page not found.");
}
const Font& Document::loadFont(const std::string& name, const std::string& encoding)
{
Font font(&_pdf, HPDF_GetFont(_pdf, name.c_str(), encoding.empty() ? 0 : encoding.c_str()));
std::pair<FontContainer::iterator, bool> ret =
_fonts.insert(FontContainer::value_type(name, font));
if (ret.second) return ret.first->second;
throw IllegalStateException("Could not create font.");
}
const Font& Document::font(const std::string& name, const std::string& encoding)
{
FontContainer::iterator it = _fonts.find(name);
if (_fonts.end() != it) return it->second;
return loadFont(name, encoding);
}
std::string Document::loadType1Font(const std::string& afmFileName, const std::string& pfmFileName)
{
return HPDF_LoadType1FontFromFile(_pdf, afmFileName.c_str(), pfmFileName.c_str());
}
std::string Document::loadTTFont(const std::string& fileName, bool embedding, int index)
{
if (-1 == index)
{
return HPDF_LoadTTFontFromFile(_pdf,
fileName.c_str(),
embedding ? HPDF_TRUE : HPDF_FALSE);
}
else if (index >= 0)
{
return HPDF_LoadTTFontFromFile2(_pdf,
fileName.c_str(),
static_cast<HPDF_UINT>(index),
embedding ? HPDF_TRUE : HPDF_FALSE);
}
else
throw InvalidArgumentException("Invalid font index.");
}
const Image& Document::loadPNGImageImpl(const std::string& fileName, bool doLoad)
{
Path path(fileName);
if (File(path).exists())
{
std::pair<ImageContainer::iterator, bool> it;
if (doLoad)
{
Image image(&_pdf, HPDF_LoadPngImageFromFile(_pdf, fileName.c_str()));
it = _images.insert(ImageContainer::value_type(path.getBaseName(), image));
}
else
{
Image image(&_pdf, HPDF_LoadPngImageFromFile2(_pdf, fileName.c_str()));
it = _images.insert(ImageContainer::value_type(path.getBaseName(), image));
}
if (it.second) return it.first->second;
else throw IllegalStateException("Could not insert image.");
}
else
throw NotFoundException("File not found: " + fileName);
}
const Image& Document::loadJPEGImage(const std::string& fileName)
{
Path path(fileName);
if (File(path).exists())
{
Image image(&_pdf, HPDF_LoadJpegImageFromFile(_pdf, fileName.c_str()));
std::pair<ImageContainer::iterator, bool> it =
_images.insert(ImageContainer::value_type(path.getBaseName(), image));
if (it.second) return it.first->second;
else throw IllegalStateException("Could not insert image.");
}
else
throw NotFoundException("File not found: " + fileName);
}
void Document::encryption(Encryption mode, Poco::UInt32 keyLength)
{
if (ENCRYPT_R3 == mode && (keyLength < 5 || keyLength > 128))
throw InvalidArgumentException("Invalid key length.");
HPDF_SetEncryptionMode(_pdf,
static_cast<HPDF_EncryptMode>(mode),
static_cast<HPDF_UINT>(keyLength));
}
const Encoder& Document::loadEncoder(const std::string& name)
{
EncoderContainer::iterator it = _encoders.find(name);
if (_encoders.end() == it) return it->second;
Encoder enc(&_pdf, HPDF_GetEncoder(_pdf, name.c_str()), name);
std::pair<EncoderContainer::iterator, bool> ret =
_encoders.insert(EncoderContainer::value_type(name, enc));
if (ret.second) return ret.first->second;
throw IllegalStateException("Could not create encoder.");
}
const Encoder& Document::getCurrentEncoder()
{
HPDF_Encoder enc = HPDF_GetCurrentEncoder(_pdf);
std::string name = enc->name;
EncoderContainer::iterator it = _encoders.find(name);
if (_encoders.end() == it)
{
std::pair<EncoderContainer::iterator, bool> ret =
_encoders.insert(EncoderContainer::value_type(name, Encoder(&_pdf, enc)));
if (ret.second) return ret.first->second;
}
return it->second;
}
const Encoder& Document::setCurrentEncoder(const std::string& name)
{
loadEncoder(name);
HPDF_SetCurrentEncoder(_pdf, name.c_str());
return getCurrentEncoder();
}
const Outline& Document::createOutline(const std::string& title, const Outline& parent, const Encoder& encoder)
{
_outlines.push_back(Outline(&_pdf, HPDF_CreateOutline(_pdf, parent, title.c_str(), encoder)));
return _outlines.back();
}
void Document::setInfo(Info info, const LocalDateTime& dt)
{
if (INFO_CREATION_DATE == info || INFO_MOD_DATE == info)
{
HPDF_Date hpdfDate;
hpdfDate.year = dt.year();
hpdfDate.month = dt.month();
hpdfDate.day = dt.day();
hpdfDate.hour = dt.hour();
hpdfDate.minutes = dt.minute();
hpdfDate.seconds = dt.second();
std::string tzd = DateTimeFormatter::tzdISO(dt.tzd());
StringTokenizer st(tzd, "+-:");
if (st.count() >= 2)
{
hpdfDate.ind = tzd[0];
hpdfDate.off_hour = NumberParser::parse(st[0]);
hpdfDate.off_minutes = NumberParser::parse(st[1]);
}
else hpdfDate.ind = ' ';
HPDF_SetInfoDateAttr(_pdf, static_cast<HPDF_InfoType>(info), hpdfDate);
}
else
throw InvalidArgumentException("Can not set document info.");
}
void Document::setInfo(Info info, const std::string& value)
{
if (INFO_CREATION_DATE == info || INFO_MOD_DATE == info)
throw InvalidArgumentException("Can not set document date.");
HPDF_SetInfoAttr(_pdf, static_cast<HPDF_InfoType>(info), value.c_str());
}
void Document::setPassword(const std::string& ownerPassword, const std::string& userPassword)
{
if (ownerPassword.empty())
throw InvalidArgumentException("Owner password empty.");
HPDF_SetPassword(_pdf, ownerPassword.c_str(), userPassword.c_str());
}
void Document::reset(bool all)
{
if (!all) HPDF_FreeDoc(_pdf);
else
{
_pages.clear();
_fonts.clear();
_encoders.clear();
_outlines.clear();
_images.clear();
HPDF_FreeDocAll(_pdf);
}
}
} } // namespace Poco::PDF