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