internal static Font FromLogFont(ref Interop.User32.LOGFONT logFont)
{
using (ScreenDC dc = ScreenDC.Create())
{
return(FromLogFont(logFont, dc));
}
}
/// <summary>
/// Creates a <see cref="Font"/> from the given LOGFONT using the screen device context.
/// </summary>
/// <param name="lf">A boxed LOGFONT.</param>
/// <returns>The newly created <see cref="Font"/>.</returns>
public static Font FromLogFont(object lf)
{
using (ScreenDC dc = ScreenDC.Create())
{
return(FromLogFont(lf, dc));
}
}
internal static Font FromLogFont(ref SafeNativeMethods.LOGFONT logFont)
{
using (ScreenDC dc = ScreenDC.Create())
{
return(FromLogFont(logFont, dc));
}
}
public float GetHeight()
{
using (ScreenDC dc = ScreenDC.Create())
using (Graphics graphics = Graphics.FromHdcInternal(dc))
{
return(GetHeight(graphics));
}
}
public void ToLogFont(object logFont)
{
using (ScreenDC dc = ScreenDC.Create())
using (Graphics graphics = Graphics.FromHdcInternal(dc))
{
ToLogFont(logFont, graphics);
}
}
/// <summary>
/// Creates a <see cref='Font'/> from the specified Windows handle.
/// </summary>
public static Font FromHfont(IntPtr hfont)
{
Interop.User32.LOGFONT logFont = default;
Interop.Gdi32.GetObject(new HandleRef(null, hfont), ref logFont);
using (ScreenDC dc = ScreenDC.Create())
{
return(FromLogFontInternal(ref logFont, dc));
}
}
/// <summary>
/// Creates a <see cref='Font'/> from the specified Windows handle.
/// </summary>
public static Font FromHfont(IntPtr hfont)
{
var logFont = new SafeNativeMethods.LOGFONT();
SafeNativeMethods.GetObject(new HandleRef(null, hfont), ref logFont);
using (ScreenDC dc = ScreenDC.Create())
{
return(FromLogFontInternal(ref logFont, dc));
}
}
/// <summary>
/// Returns a handle to this <see cref='Font'/>.
/// </summary>
public IntPtr ToHfont()
{
using (ScreenDC dc = ScreenDC.Create())
using (Graphics graphics = Graphics.FromHdcInternal(dc))
{
Interop.User32.LOGFONT lf = ToLogFontInternal(graphics);
IntPtr handle = Interop.Gdi32.CreateFontIndirectW(ref lf);
if (handle == IntPtr.Zero)
{
throw new Win32Exception();
}
return(handle);
}
}
/// <summary>
/// Returns a handle to this <see cref='Font'/>.
/// </summary>
public IntPtr ToHfont()
{
using (ScreenDC dc = ScreenDC.Create())
using (Graphics graphics = Graphics.FromHdcInternal(dc))
{
SafeNativeMethods.LOGFONT lf = ToLogFontInternal(graphics);
IntPtr handle = IntUnsafeNativeMethods.CreateFontIndirect(ref lf);
if (handle == IntPtr.Zero)
{
throw new Win32Exception();
}
return(handle);
}
}
