/****************************************************************************
** $Id:  qt/qpaintdevicemetrics.cpp   3.0.3   edited Oct 12 12:18 $
**
** Implementation of QPaintDeviceMetrics class
**
** Created : 941109
**
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#include "qpaintdevicemetrics.h"

/*!
  \class QPaintDeviceMetrics qpaintdevicemetrics.h
  \brief The QPaintDeviceMetrics class provides information about a
  paint device.

  \ingroup graphics
  \ingroup images

  Sometimes when drawing graphics it is necessary to obtain
  information about the physical characteristics of a paint device.
  This class provides this information.  For example, to compute the
  aspect ratio of a paint device:

  \code
    QPaintDeviceMetrics pdm( myWidget );
    double aspect = (double)pdm.widthMM() / (double)pdm.heightMM();
  \endcode

  QPaintDeviceMetrics contains methods to provide the width and height
  of a device in both pixels (width() and height()) and millimeters
  (widthMM() and heightMM()), the number of colors the device supports
  (numColors()), the number of bit planes (depth()), and the
  resolution of the device (logicalDpiX() and logicalDpiY()).

  It is not always possible for QPaintDeviceMetrics to compute the
  values you ask for, particularly for external devices.  The ultimate
  example is asking for the resolution of of a QPrinter that is set to
  "print to file": who knows what printer that file will end up on?

*/

/*!
  Constructs a metric for the paint device \a pd.
*/
QPaintDeviceMetrics::QPaintDeviceMetrics( const QPaintDevice *pd )
{
    pdev = (QPaintDevice *)pd;
}


/*!
  \fn int QPaintDeviceMetrics::width() const

  Returns the width of the paint device in default coordinate system
  units (e.g. pixels for QPixmap and QWidget).
*/

/*!
  \fn int QPaintDeviceMetrics::height() const

  Returns the height of the paint device in default coordinate system
  units (e.g. pixels for QPixmap and QWidget).
*/

/*!
  \fn int QPaintDeviceMetrics::widthMM() const
  Returns the width of the paint device, measured in millimeters.
*/

/*!
  \fn int QPaintDeviceMetrics::heightMM() const
  Returns the height of the paint device, measured in millimeters.
*/

/*!
  \fn int QPaintDeviceMetrics::numColors() const
  Returns the number of different colors available for the paint device.
*/

/*!
  \fn int QPaintDeviceMetrics::depth() const
  Returns the bit depth (number of bit planes) of the paint device.
*/

/*!
  \fn int QPaintDeviceMetrics::logicalDpiX() const

  Returns the horizontal resolution of the device in dots per inch, which is
  used when computing font sizes.
  For X, this is usually the same as could be computed
  from widthMM(), but it varies on Windows.
*/

/*!
  \fn int QPaintDeviceMetrics::logicalDpiY() const

  Returns the vertical resolution of the device in dots per inch, which is
  used when computing font sizes.
  For X, this is usually the same as could be computed
  from heightMM(), but it varies on Windows.
*/

/*!
    \fn int QPaintDeviceMetrics::physicalDpiX() const
    \internal
*/
/*!
    \fn int QPaintDeviceMetrics::physicalDpiY() const
    \internal
*/

