/**
* Gets the vertical resolution of the image, if that information
* is available.
*
* @return the number of dots per unit specified, if available, 0 otherwise
*/
public virtual double getVerticalResolution(LengthUnit unit)
{
int res = getPngReader().getVerticalResolution();
return res / LengthConverter.getConversionFactor(LengthUnit.METRES,unit);
}
/**
* Get the width of this image as rendered within Excel
*
* @param unit the unit of measurement
* @return the width of the image within Excel
*/
public virtual double getWidth(LengthUnit unit)
{
double widthInPoints = getWidthInPoints();
return widthInPoints * LengthConverter.getConversionFactor(LengthUnit.POINTS,unit);
}
/**
* Get the height of this image as rendered within Excel
*
* @param unit the unit of measurement
* @return the height of the image within Excel
*/
public virtual double getHeight(LengthUnit unit)
{
double heightInPoints = getHeightInPoints();
return heightInPoints * LengthConverter.getConversionFactor
(LengthUnit.POINTS,unit);
}
