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-rw-r--r--kviewshell/simplePageSize.cpp49
1 files changed, 49 insertions, 0 deletions
diff --git a/kviewshell/simplePageSize.cpp b/kviewshell/simplePageSize.cpp
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+++ b/kviewshell/simplePageSize.cpp
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+// SimplePageSize.cpp
+//
+// Part of KVIEWSHELL - A framework for multipage text/gfx viewers
+//
+// (C) 2002-2005 Stefan Kebekus
+// Distributed under the GPL
+
+// Add header files alphabetically
+
+#include <config.h>
+
+#include <kdebug.h>
+#include <qpaintdevice.h>
+
+#include "simplePageSize.h"
+
+
+double SimplePageSize::zoomForHeight(Q_UINT32 height) const
+{
+ if (!isValid()) {
+ kdError(1223) << "SimplePageSize::zoomForHeight() called when paper height was invalid" << endl;
+ return 0.1;
+ }
+ return (double)(height)/(QPaintDevice::x11AppDpiY()*(pageHeight.getLength_in_inch()));
+}
+
+
+double SimplePageSize::zoomForWidth(Q_UINT32 width) const
+{
+ if (!isValid()) {
+ kdError(1223) << "SimplePageSize::zoomForWidth() called when paper width was invalid" << endl;
+ return 0.1;
+ }
+ return (double)(width)/(QPaintDevice::x11AppDpiX()*(pageWidth.getLength_in_inch()));
+}
+
+
+double SimplePageSize::zoomToFitInto(const SimplePageSize &target) const
+{
+ if (!isValid() || isSmall() || !target.isValid()) {
+ kdWarning(1223) << "SimplePageSize::zoomToFitInto(...) with unsuitable source of target" << endl;
+ return 1.0;
+ }
+
+ double z1 = target.width() / pageWidth;
+ double z2 = target.height() / pageHeight;
+
+ return QMIN(z1,z2);
+}