/* -*- 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 "WP6PageGroup.h"
#include "WP6FileStructure.h"
#include "WP6Listener.h"
#include "libwpd_internal.h"

WP6PageGroup::WP6PageGroup(librevenge::RVNGInputStream *input, WPXEncryption *encryption) :
	WP6VariableLengthGroup(),
	m_margin(0),
	m_suppressedCode(0),
	m_pageNumberTypefaceDesc(0),
	m_pageNumberUseFlag(0x00),
	m_pageNumberingFontPIDCopy(0),
	m_pageNumberPointSize(0),
	m_pageNumberPosition(0x00),
	m_pageNumberMatchedFontIndex(0),
	m_pageNumberMatchedFontPointSize(0),
	m_pageNumberAttributes1(0),
	m_pageNumberAttributes2(0),
	m_pageNumberColor(),
	m_pageNumberHeight(0),
	m_pageNumberNewPagePosition(0x00),
	m_formLength(0),
	m_formWidth(0),
	m_formType(0),
	m_formOrientation(PORTRAIT)
{
	_read(input, encryption);
}

WP6PageGroup::~WP6PageGroup()
{
}

void WP6PageGroup::_readContents(librevenge::RVNGInputStream *input, WPXEncryption *encryption)
{
	// this group can contain different kinds of data, thus we need to read
	// the contents accordingly
	switch (getSubGroup())
	{
	case WP6_PAGE_GROUP_TOP_MARGIN_SET:
	case WP6_PAGE_GROUP_BOTTOM_MARGIN_SET:
		m_margin = readU16(input, encryption);
		WPD_DEBUG_MSG(("WordPerfect: Read page group margin size (margin: %i)\n", m_margin));
		break;
	case WP6_PAGE_GROUP_SUPPRESS_PAGE_CHARACTERISTICS:
		m_suppressedCode = readU8(input, encryption);
		WPD_DEBUG_MSG(("WordPerfect: Read suppressed code (%i)\n", m_suppressedCode));
		break;
	case WP6_PAGE_GROUP_PAGE_NUMBER_POSITION:
		m_pageNumberTypefaceDesc = readU16(input, encryption);
		m_pageNumberUseFlag = readU8(input, encryption);
		m_pageNumberingFontPIDCopy = readU16(input, encryption);
		m_pageNumberPointSize = readU16(input, encryption);
		m_pageNumberPosition = readU8(input, encryption);
		m_pageNumberMatchedFontIndex = readU16(input, encryption);
		m_pageNumberMatchedFontPointSize = readU16(input, encryption);
		m_pageNumberAttributes1 = readU16(input, encryption);
		m_pageNumberAttributes2 = readU16(input, encryption);
		m_pageNumberColor.m_r = readU8(input, encryption);
		m_pageNumberColor.m_g = readU8(input, encryption);
		m_pageNumberColor.m_b = readU8(input, encryption);
		m_pageNumberColor.m_s = readU8(input, encryption);
		m_pageNumberHeight = readU16(input, encryption);
		m_pageNumberNewPagePosition = readU8(input, encryption);
		break;
	case WP6_PAGE_GROUP_FORM:
		unsigned char tmpOrientation;
		// skip Hash values that we do not use (2+1 bytes)
		input->seek(3, librevenge::RVNG_SEEK_CUR);
		m_formLength = readU16(input, encryption);
		m_formWidth = readU16(input, encryption);
		m_formType = readU8(input, encryption);
		tmpOrientation = readU8(input, encryption);
		switch (tmpOrientation)
		{
		case 0x01:
			m_formOrientation = LANDSCAPE;
			break;
		case 0x00:
			m_formOrientation = PORTRAIT;
			break;
		default:
			m_formOrientation = PORTRAIT;
			break;
		}
		WPD_DEBUG_MSG(("WordPerfect: Read form information (length: %i), (width: %i), (form orientation: %s),\n",
		               m_formLength, m_formWidth, ((m_formOrientation==PORTRAIT)?"portrait":"landscape")));
		break;
	default: /* something else we don't support, since it isn't in the docs */
		break;
	}
}

void WP6PageGroup::parse(WP6Listener *listener)
{
	WPD_DEBUG_MSG(("WordPerfect: handling a Page group\n"));

	switch (getSubGroup())
	{
	case WP6_PAGE_GROUP_PAGE_NUMBER_POSITION:
		if (m_pageNumberUseFlag == 0 || !getNumPrefixIDs())
			listener->pageNumberingChange((WPXPageNumberPosition)m_pageNumberPosition, 0, 0);
		else
			listener->pageNumberingChange((WPXPageNumberPosition)m_pageNumberPosition, m_pageNumberMatchedFontPointSize, getPrefixIDs()[0]);
		break;
	case WP6_PAGE_GROUP_TOP_MARGIN_SET:
		listener->pageMarginChange(WPX_TOP, m_margin);
		break;
	case WP6_PAGE_GROUP_BOTTOM_MARGIN_SET:
		listener->pageMarginChange(WPX_BOTTOM, m_margin);
		break;
	case WP6_PAGE_GROUP_SUPPRESS_PAGE_CHARACTERISTICS:
		listener->suppressPageCharacteristics(m_suppressedCode);
		break;
	case WP6_PAGE_GROUP_FORM:
		listener->pageFormChange(m_formLength, m_formWidth, m_formOrientation);
		break;
	default: // something else we don't support, since it isn't in the docs
		break;
	}
}
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