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//
// Class: documentRenderer
//
// Abstract Widget for displaying document types
// Needs to be implemented from the actual parts
// using kviewshell
// Part of KViewshell - A generic interface for document viewers.
//
// (C) 2004-2005 Wilfried Huss, Stefan Kebekus. Distributed under the GPL.
#include <config.h>
#include <kdebug.h>
#include "documentRenderer.h"
#include "renderedDocumentPage.h"
DocumentRenderer::DocumentRenderer(QWidget* par)
: mutex(true), parentWidget(par), accessibilityBackground(false),
accessibilityBackgroundColor(QColor(255,255,255))
{
numPages = 0;
_isModified = false;
}
DocumentRenderer::~DocumentRenderer()
{
// Wait for all access to this DocumentRenderer to finish
QMutexLocker lock(&mutex);
clear();
}
void DocumentRenderer::clear()
{
// Wait for all access to this DocumentRenderer to finish
QMutexLocker lock(&mutex);
numPages = 0;
pageSizes.clear();
anchorList.clear();
bookmarks.clear();
_isModified = false;
}
void DocumentRenderer::setAccessibleBackground(bool accessibleMode, const QColor& background)
{
// Wait for all access to this DocumentRenderer to finish
QMutexLocker lock(&mutex);
accessibilityBackground = accessibleMode;
accessibilityBackgroundColor = background;
}
SimplePageSize DocumentRenderer::sizeOfPage(const PageNumber& page)
{
// Wait for all access to this DocumentRenderer to finish
QMutexLocker locker(&mutex);
if (!page.isValid())
return SimplePageSize();
if (page > totalPages())
return SimplePageSize();
if (page > pageSizes.size())
return SimplePageSize();
return pageSizes[page-1];
}
void DocumentRenderer::drawThumbnail(double resolution, RenderedDocumentPage* page)
{
// Wait for all access to this DocumentRenderer to finish
QMutexLocker locker(&mutex);
drawPage(resolution, page);
}
void DocumentRenderer::getText(RenderedDocumentPage* page)
{
// We are only interrested in the textual data, so we can use a dummy value for the resolution.
drawPage(100.0, page);
}
bool DocumentRenderer::isValidFile(const QString&) const
{
return true;
}
Anchor DocumentRenderer::parseReference(const QString &reference)
{
// Wait for all access to this documentRenderer to finish
QMutexLocker locker(&mutex);
if (isEmpty())
return Anchor();
// If the reference is a number, which we'll interpret as a
// page number.
bool ok;
int page = reference.toInt(&ok);
if (ok == true)
{
if (page < 1)
page = 1;
if (page > totalPages())
page = totalPages();
return Anchor(page, Length());
}
// If the reference is not a number, return an empty anchor.
return Anchor();
}
Anchor DocumentRenderer::findAnchor(const QString &locallink)
{
// Wait for all access to this DocumentRenderer to finish
QMutexLocker locker(&mutex);
QMap<QString,Anchor>::Iterator it = anchorList.find(locallink);
if (it != anchorList.end())
return *it;
else
return Anchor();
}
#include "documentRenderer.moc"
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