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tdegraphics/kviewshell/simplePageSize.cpp

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1.2 KiB

// 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 <tqpaintdevice.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)/(TQPaintDevice::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)/(TQPaintDevice::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);
}