/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* libwpd
* Version: MPL 2.0 / LGPLv2.1+
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Major Contributor(s):
* Copyright (C) 2002 William Lachance (wrlach@gmail.com)
* Copyright (C) 2002 Marc Maurer (uwog@uwog.net)
* Copyright (C) 2004 Fridrich Strba (fridrich.strba@bluewin.ch)
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms
* of the GNU Lesser General Public License Version 2.1 or later
* (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
* applicable instead of those above.
*
* For further information visit http://libwpd.sourceforge.net
*/
/* "This product is not manufactured, approved, or supported by
* Corel Corporation or Corel Corporation Limited."
*/
#include <math.h>
#include "WP3PageFormatGroup.h"
#include "WP3FileStructure.h"
#include "libwpd_internal.h"
#include "libwpd_math.h"
#include "WP3Listener.h"
WP3PageFormatGroup::WP3PageFormatGroup(librevenge::RVNGInputStream *input, WPXEncryption *encryption) :
WP3VariableLengthGroup(),
m_leftMargin(0),
m_rightMargin(0),
m_lineSpacing(1.0),
m_isRelative(false),
m_tabStops(),
m_topMargin(0),
m_bottomMargin(0),
m_justification(0),
m_suppressCode(0),
m_indent(0)
{
_read(input, encryption);
}
WP3PageFormatGroup::~WP3PageFormatGroup()
{
}
void WP3PageFormatGroup::_readContents(librevenge::RVNGInputStream *input, WPXEncryption *encryption)
{
// this group can contain different kinds of data, thus we need to read
// the contents accordingly
unsigned char tmpTmp = 0xff;
signed char tmpTabType = 0;
double tmpTabPosition = 0.0;
WPXTabStop tmpTabStop = WPXTabStop();
switch (getSubGroup())
{
case WP3_PAGE_FORMAT_GROUP_HORIZONTAL_MARGINS:
// skip 8 bytes (old values of no interest for us)
input->seek(8, librevenge::RVNG_SEEK_CUR);
m_leftMargin = readU32(input, encryption, true);
m_rightMargin = readU32(input, encryption, true);
WPD_DEBUG_MSG(("WordPerfect: Page format group horizontal margins\n"));
break;
case WP3_PAGE_FORMAT_GROUP_LINE_SPACING:
// skip 4 bytes (old spacing of no interest for us)
input->seek(4, librevenge::RVNG_SEEK_CUR);
{
unsigned lineSpacing = readU32(input, encryption, true);
signed short lineSpacingIntegerPart = (signed short)((lineSpacing & 0xFFFF0000) >> 16);
double lineSpacingFractionalPart = (double)((double)(lineSpacing & 0xFFFF)/(double)0xFFFF);
WPD_DEBUG_MSG(("WordPerfect: Page format group line spacing - integer part: %i fractional part: %f (original value: %i)\n",
lineSpacingIntegerPart, lineSpacingFractionalPart, lineSpacing));
m_lineSpacing = lineSpacingIntegerPart + lineSpacingFractionalPart;
}
break;
case WP3_PAGE_FORMAT_GROUP_SET_TABS:
// skip old condensed tab table if the first value is not 0xFF
if (0xFF != readU8(input, encryption))
{
while (readU8(input, encryption) != 0xFF)
input->seek(4, librevenge::RVNG_SEEK_CUR);
}
m_isRelative = (readU8(input, encryption) & 0x01);
while ((tmpTmp = readU8(input, encryption)) != 0xff)
{
tmpTabType = (signed char) tmpTmp;
if (input->isEnd())
throw FileException();
tmpTabPosition = fixedPointToDouble(readU32(input, encryption, true)) / 72.0;
if (tmpTabType < 0)
{
for (signed char i = tmpTabType; i < 0; i++)
{
tmpTabStop.m_position += tmpTabPosition;
m_tabStops.push_back(tmpTabStop);
}
}
else
{
tmpTabStop.m_position = tmpTabPosition;
switch (tmpTabType & 0x0f)
{
case 0:
tmpTabStop.m_alignment = LEFT;
break;
case 1:
tmpTabStop.m_alignment = CENTER;
break;
case 2:
tmpTabStop.m_alignment = RIGHT;
break;
case 3:
tmpTabStop.m_alignment = DECIMAL;
break;
case 4:
tmpTabStop.m_alignment = BAR;
break;
default:
tmpTabStop.m_alignment = LEFT;
break;
}
switch ((tmpTabType & 0x70) >> 4)
{
case 0:
tmpTabStop.m_leaderCharacter = '\0';
tmpTabStop.m_leaderNumSpaces = 0;
break;
case 1:
tmpTabStop.m_leaderCharacter = '.';
tmpTabStop.m_leaderNumSpaces = 1;
break;
case 2:
tmpTabStop.m_leaderCharacter = '.';
tmpTabStop.m_leaderNumSpaces = 0;
break;
case 3:
tmpTabStop.m_leaderCharacter = '-';
tmpTabStop.m_leaderNumSpaces = 1;
break;
case 4:
tmpTabStop.m_leaderCharacter = '_';
tmpTabStop.m_leaderNumSpaces = 0;
break;
default:
tmpTabStop.m_leaderCharacter = '.';
tmpTabStop.m_leaderNumSpaces = 0;
break;
}
m_tabStops.push_back(tmpTabStop);
}
}
break;
case WP3_PAGE_FORMAT_GROUP_VERTICAL_MARGINS:
// skip 8 bytes (old values of no interest for us)
input->seek(8, librevenge::RVNG_SEEK_CUR);
m_topMargin = readU32(input, encryption, true);
m_bottomMargin = readU32(input, encryption, true);
WPD_DEBUG_MSG(("WordPerfect: Page format group vertical margins\n"));
break;
case WP3_PAGE_FORMAT_GROUP_JUSTIFICATION_MODE:
// skip 1 byte (old justifcation value of no interest for us)
input->seek(1, librevenge::RVNG_SEEK_CUR);
m_justification = readU8(input, encryption);
break;
case WP3_PAGE_FORMAT_GROUP_SUPPRESS_PAGE:
// skip 2 bytes (old suppress code)
input->seek(2, librevenge::RVNG_SEEK_CUR);
m_suppressCode = readU16(input, encryption, true);
break;
case WP3_PAGE_FORMAT_GROUP_INDENT_AT_BEGINNING_OF_PARAGRAPH:
// skip 4 bytes (old indent indent value of no interest for us)
input->seek(4, librevenge::RVNG_SEEK_CUR);
m_indent = readU32(input, encryption, true);
break;
default: /* something else we don't support, since it isn't in the docs */
break;
}
}
void WP3PageFormatGroup::parse(WP3Listener *listener)
{
WPD_DEBUG_MSG(("WordPerfect: handling a Page Format group\n"));
#ifdef DEBUG
std::vector<WPXTabStop>::const_iterator tabStopsIter;
#endif
switch (getSubGroup())
{
case WP3_PAGE_FORMAT_GROUP_HORIZONTAL_MARGINS:
if (m_leftMargin != 0x80000000)
{
listener->marginChange(WPX_LEFT, fixedPointToWPUs(m_leftMargin));
WPD_DEBUG_MSG(("WordPerfect: Page format group left margin - WPUs: %i (original value: %i)\n",
fixedPointToWPUs(m_leftMargin), m_leftMargin));
}
if (m_rightMargin != 0x8000000)
{
listener->marginChange(WPX_RIGHT, fixedPointToWPUs(m_rightMargin));
WPD_DEBUG_MSG(("WordPerfect: Page format group right margin - integer part: WPUs: %i (original value: %i)\n",
fixedPointToWPUs(m_rightMargin), m_rightMargin));
}
break;
case WP3_PAGE_FORMAT_GROUP_LINE_SPACING:
WPD_DEBUG_MSG(("WordPerfect: parsing a line spacing change of: %f\n", m_lineSpacing));
listener->lineSpacingChange(m_lineSpacing);
break;
case WP3_PAGE_FORMAT_GROUP_SET_TABS:
#ifdef DEBUG
WPD_DEBUG_MSG(("Parsing Set Tabs Group (positions: "));
for (tabStopsIter = m_tabStops.begin(); tabStopsIter != m_tabStops.end(); ++tabStopsIter)
{
WPD_DEBUG_MSG((" %.4f", (*tabStopsIter).m_position));
}
WPD_DEBUG_MSG((")\n"));
#endif
listener->setTabs(m_isRelative, m_tabStops);
break;
case WP3_PAGE_FORMAT_GROUP_VERTICAL_MARGINS:
if (m_topMargin != 0x80000000)
listener->pageMarginChange(WPX_TOP, fixedPointToWPUs(m_topMargin));
if (m_bottomMargin != 0x80000000)
listener->pageMarginChange(WPX_BOTTOM, fixedPointToWPUs(m_bottomMargin));
break;
case WP3_PAGE_FORMAT_GROUP_JUSTIFICATION_MODE:
listener->justificationChange(m_justification);
break;
case WP3_PAGE_FORMAT_GROUP_SUPPRESS_PAGE:
listener->suppressPage(m_suppressCode);
break;
case WP3_PAGE_FORMAT_GROUP_INDENT_AT_BEGINNING_OF_PARAGRAPH:
listener->indentFirstLineChange(fixedPointToDouble(m_indent) / 72.0);
break;
default: // something else we don't support, since it isn't in the docs
break;
}
}
/* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */