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/*
* Copyright (C) 2009-2010, Pino Toscano <pino@kde.org>
* Copyright (C) 2013 Adrian Johnson <ajohnson@redneon.com>
* Copyright (C) 2014, Hans-Peter Deifel <hpdeifel@gmx.de>
* Copyright (C) 2016 Jakub Alba <jakubalba@gmail.com>
* Copyright (C) 2017-2019 Albert Astals Cid <aacid@kde.org>
* Copyright (C) 2018 Suzuki Toshiya <mpsuzuki@hiroshima-u.ac.jp>
* Copyright (C) 2020 Adam Reichold <adam.reichold@t-online.de>
* Copyright (C) 2024 Oliver Sander <oliver.sander@tu-dresden.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "poppler-private.h"
#include "GooString.h"
#include "Page.h"
#include "UTF.h"
#include <ctime>
#include <iostream>
#include <sstream>
using namespace poppler;
static void stderr_debug_function(const std::string &msg, void * /*data*/)
{
std::cerr << "poppler/" << msg << std::endl;
}
debug_func detail::user_debug_function = stderr_debug_function;
void *detail::debug_closure = nullptr;
void detail::error_function(ErrorCategory /*category*/, Goffset pos, const char *msg)
{
std::ostringstream oss;
if (pos >= 0) {
oss << "error (" << pos << "): ";
} else {
oss << "error: ";
}
oss << msg;
detail::user_debug_function(oss.str(), detail::debug_closure);
}
rectf detail::pdfrectangle_to_rectf(const PDFRectangle &pdfrect)
{
return rectf(pdfrect.x1, pdfrect.y1, pdfrect.x2 - pdfrect.x1, pdfrect.y2 - pdfrect.y1);
}
ustring detail::unicode_GooString_to_ustring(const GooString *str)
{
const char *data = str->c_str();
const int len = str->getLength();
const bool is_unicodeLE = hasUnicodeByteOrderMarkLE(str->toStr());
const bool is_unicode = hasUnicodeByteOrderMark(str->toStr()) || is_unicodeLE;
int i = is_unicode ? 2 : 0;
ustring::size_type ret_len = len - i;
if (is_unicode) {
ret_len >>= 1;
}
ustring ret(ret_len, 0);
size_t ret_index = 0;
ustring::value_type u;
if (is_unicode) {
while (i < len) {
u = is_unicodeLE ? ((data[i + 1] & 0xff) << 8) | (data[i] & 0xff) : ((data[i] & 0xff) << 8) | (data[i + 1] & 0xff);
i += 2;
ret[ret_index++] = u;
}
} else {
while (i < len) {
u = data[i] & 0xff;
++i;
ret[ret_index++] = u;
}
}
return ret;
}
ustring detail::unicode_to_ustring(const Unicode *u, int length)
{
ustring str(length, 0);
ustring::iterator it = str.begin();
const Unicode *uu = u;
for (int i = 0; i < length; ++i) {
*it++ = ustring::value_type(*uu++ & 0xffff);
}
return str;
}
GooString *detail::ustring_to_unicode_GooString(const ustring &str)
{
const size_t len = str.size() * 2 + 2;
const ustring::value_type *me = str.data();
byte_array ba(len);
ba[0] = (char)0xfe;
ba[1] = (char)0xff;
for (size_t i = 0; i < str.size(); ++i, ++me) {
ba[i * 2 + 2] = ((*me >> 8) & 0xff);
ba[i * 2 + 3] = (*me & 0xff);
}
GooString *goo = new GooString(&ba[0], len);
return goo;
}
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