public static Boxa boxaSelectByArea(this Boxa boxas, int area, SizeFilterFlags relation, out int pchanged)
{
if (null == boxas)
{
throw new ArgumentNullException("boxas cannot be null.");
}
var pointer = Native.DllImports.boxaSelectByArea((HandleRef)boxas, area, (int)relation, out pchanged);
if (IntPtr.Zero == pointer)
{
return(null);
}
else
{
return(new Boxa(pointer));
}
}
public static Numa boxaMakeWHRatioIndicator(this Boxa boxa, float ratio, SizeFilterFlags relation)
{
if (null == boxa)
{
throw new ArgumentNullException("boxa cannot be null.");
}
var pointer = Native.DllImports.boxaMakeWHRatioIndicator((HandleRef)boxa, ratio, (int)relation);
if (IntPtr.Zero == pointer)
{
return(null);
}
else
{
return(new Numa(pointer));
}
}
// Filters
public static Pix pixSelectBySize(this Pix pixs, int width, int height, int connectivity, LocationFilterFlags type, SizeFilterFlags relation, out int pchanged)
{
if (null == pixs)
{
throw new ArgumentNullException("pixs cannot be null");
}
var pointer = Native.DllImports.pixSelectBySize((HandleRef)pixs, width, height, connectivity, (int)type, (int)relation, out pchanged);
if (IntPtr.Zero == pointer)
{
return(null);
}
else
{
return(new Pix(pointer));
}
}
public static Numa pixaMakeSizeIndicator(this Pixa pixa, int width, int height, LocationFilterFlags type, SizeFilterFlags relation)
{
if (null == pixa)
{
throw new ArgumentNullException("pixa cannot be null");
}
var pointer = Native.DllImports.pixaMakeSizeIndicator((HandleRef)pixa, width, height, (int)type, (int)relation);
if (IntPtr.Zero == pointer)
{
return(null);
}
else
{
return(new Numa(pointer));
}
}