public static Win16.BITMAP To16(Win32.BITMAP p32)
{
return(new Win16.BITMAP()
{
bmType = (short)p32.bmType,
bmWidth = (short)p32.bmWidth,
bmHeight = (short)p32.bmHeight,
bmWidthBytes = (short)p32.bmWidthBytes,
bmPlanes = (byte)p32.bmPlanes,
bmBitsPixel = (byte)p32.bmBitsPixel,
bmBits = 0,
});
}
public short GetObject(HGDIOBJ hgdiobj, short cbBuffer, uint ptr)
{
unsafe
{
var objectType = GetObjectType(hgdiobj);
switch (objectType)
{
case Win32.OBJ_PEN:
{
if (ptr == 0)
{
return((short)Marshal.SizeOf <Win16.LOGPEN>());
}
// Check if buffer big enough
if (cbBuffer < Marshal.SizeOf <Win16.LOGPEN>())
{
return(0);
}
// Get it
var lp32 = new Win32.LOGPEN();
var plp32 = &lp32;
var size = GetObject(hgdiobj, Marshal.SizeOf <Win32.LOGPEN>(), (IntPtr)plp32);
// Convert and write it back
_machine.WriteStruct(ptr, Win32.LOGPEN.To16(lp32));
return((short)Marshal.SizeOf <Win16.LOGPEN>());
}
case Win32.OBJ_BRUSH:
{
if (ptr == 0)
{
return((short)Marshal.SizeOf <Win16.LOGBRUSH>());
}
if (cbBuffer < Marshal.SizeOf <Win16.LOGBRUSH>())
{
return(0);
}
var lb32 = new Win32.LOGBRUSH();
var plb32 = &lb32;
var size = GetObject(hgdiobj, Marshal.SizeOf <Win32.LOGBRUSH>(), (IntPtr)plb32);
_machine.WriteStruct(ptr, Win32.LOGBRUSH.To16(lb32));
return((short)Marshal.SizeOf <Win16.LOGBRUSH>());
}
case Win32.OBJ_BITMAP:
{
// Just asking for size?
if (ptr == 0)
{
return((short)Marshal.SizeOf <Win16.BITMAP>());
}
// Check if buffer big enough
if (cbBuffer < Marshal.SizeOf <Win16.BITMAP>())
{
return(0);
}
// Get it
var bmp32 = new Win32.BITMAP();
var pbmp32 = &bmp32;
var size = GetObject(hgdiobj, Marshal.SizeOf <Win32.BITMAP>(), (IntPtr)pbmp32);
// Convert and write it back
_machine.WriteStruct(ptr, Win32.BITMAP.To16(bmp32));
// Return size
return((short)Marshal.SizeOf <Win16.BITMAP>());
}
case Win32.OBJ_FONT:
{
// Just asking for size?
if (ptr == 0)
{
return((short)Marshal.SizeOf <Win16.LOGFONT>());
}
// Check if buffer big enough
if (cbBuffer < Marshal.SizeOf <Win16.LOGFONT>())
{
return(0);
}
// Get it
var lf32 = new Win32.LOGFONT();
var size = GetObject(hgdiobj, Marshal.SizeOf <Win32.LOGFONT>(), out lf32);
// Convert and write it back
_machine.WriteStruct(ptr, Win32.LOGFONT.To16(lf32));
// Return size
return((short)Marshal.SizeOf <Win16.LOGFONT>());
}
default:
throw new NotImplementedException("Unsupported object type passed to GetObject");
}
}
}