Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 133 insertions, 0 deletions

diff --git a/kviewshell/documentRenderer.cpp b/kviewshell/documentRenderer.cpp
new file mode 100644
index 00000000..f9837fa2
--- /dev/null
+++ b/kviewshell/documentRenderer.cpp
@@ -0,0 +1,133 @@
+//
+// 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"