1 files changed, 72 insertions, 0 deletions
diff --git a/lib/kofficeui/KoZoomHandler.cpp b/lib/kofficeui/KoZoomHandler.cpp
new file mode 100644
index 00000000..2bb202e9
--- /dev/null
+++ b/lib/kofficeui/KoZoomHandler.cpp
@@ -0,0 +1,72 @@
+/* This file is part of the KDE project
+   Copyright (C) 2001-2005 David Faure <faure@kde.org>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#include "KoZoomHandler.h"
+#include <kdebug.h>
+#include <KoUnit.h> // for POINT_TO_INCH
+#include <KoGlobal.h>
+
+KoZoomHandler::KoZoomHandler()
+{
+    // Note that this calls the method below, not the derived one
+    setZoomAndResolution( 100, KoGlobal::dpiX(), KoGlobal::dpiY() );
+}
+
+void KoZoomHandler::setZoomAndResolution( int zoom, int dpiX, int dpiY )
+{
+    // m_resolution[XY] is in pixel per pt
+    m_resolutionX = POINT_TO_INCH( static_cast<double>(dpiX) );
+    m_resolutionY = POINT_TO_INCH( static_cast<double>(dpiY) );
+    setZoom( zoom );
+    /*kdDebug(32500) << "KoZoomHandler::setZoomAndResolution " << zoom << " " << dpiX << "," << dpiY
+              << " m_resolutionX=" << m_resolutionX
+              << " m_zoomedResolutionX=" << m_zoomedResolutionX
+              << " m_resolutionY=" << m_resolutionY
+              << " m_zoomedResolutionY=" << m_zoomedResolutionY << endl;*/
+}
+
+void KoZoomHandler::setResolution( double resolutionX, double resolutionY )
+{
+    m_zoom = 100;
+    m_resolutionX = resolutionX;
+    m_resolutionY = resolutionY;
+    m_zoomedResolutionX = resolutionX;
+    m_zoomedResolutionY = resolutionY;
+}
+
+void KoZoomHandler::setZoomedResolution( double zoomedResolutionX, double zoomedResolutionY )
+{
+    // m_zoom doesn't matter, it's only used in setZoom() to calculated the zoomed resolutions
+    // Here we know them. The whole point of this method is to allow a different zoom factor
+    // for X and for Y, as can be useful for e.g. fullscreen kpresenter presentations.
+    m_zoomedResolutionX = zoomedResolutionX;
+    m_zoomedResolutionY = zoomedResolutionY;
+}
+
+void KoZoomHandler::setZoom( int zoom )
+{
+    m_zoom = zoom;
+    if( m_zoom == 100 ) {
+        m_zoomedResolutionX = m_resolutionX;
+        m_zoomedResolutionY = m_resolutionY;
+    } else {
+        m_zoomedResolutionX = static_cast<double>(m_zoom) * m_resolutionX / 100.0;
+        m_zoomedResolutionY = static_cast<double>(m_zoom) * m_resolutionY / 100.0;
+    }
+}