private static void DrawOnHDC(IntPtr compatHdc, string text, Font font, Padding internalBounds, Rectangle bounds, Color color, TextFormatFlags formatFlags, AeroLabelMode mode, IThemeTextOption[] options)
{
if (SystemSupports.IsAeroSupport && mode == AeroLabelMode.Aero)
{
IntPtr hFont = font.ToHfont();
NativeMethod.SelectObject(compatHdc, hFont);
VisualStyleRenderer renderer = new VisualStyleRenderer(VisualStyleElement.Window.Caption.Active);
DTTOPTS dttOpts = default(DTTOPTS);
dttOpts.dwSize = Marshal.SizeOf(dttOpts);
dttOpts.dwFlags = (DTTOPSFlags)8193;
dttOpts.crText = ColorTranslator.ToWin32(color);
for (int i = 0; i < options.Length; i++)
{
IThemeTextOption op = options[i];
op.Apply(ref dttOpts);
}
RECT RECT = new RECT(internalBounds.Left, internalBounds.Top, bounds.Width - internalBounds.Right, bounds.Height - internalBounds.Bottom);
int ret = NativeMethod.DrawThemeTextEx(renderer.Handle, compatHdc, 0, 0, text, -1, (int)formatFlags, ref RECT, ref dttOpts);
if (ret != 0)
{
Marshal.ThrowExceptionForHR(ret);
}
NativeMethod.DeleteObject(hFont);
}
else
{
Graphics gc = Graphics.FromHdc(compatHdc);
gc.TextRenderingHint = TextRenderingHint.AntiAlias;
using (SolidBrush sb = new SolidBrush(Color.FromArgb(254, color)))
gc.DrawString(text, font, sb, bounds);
}
}
protected IThemeTextOption[] CreateOptions()
{
IThemeTextOption[] options = new IThemeTextOption[this.CountOptions()];
int curr = 0;
if (this._glowEnable)
{
options[curr] = new GlowOption(this._glowSize);
curr++;
}
if (this._shadowEnable)
{
options[curr] = new ShadowOption(this._shadowColor, this._shadowOffset, this._shadowType);
curr++;
}
if (!this._overlayEnable)
{
options[curr] = new OverlayOption(this._overlayEnable);
curr++;
}
if (this._borderEnable)
{
options[curr] = new BorderOption(this._borderColor, this._borderSize);
curr++;
}
return(options);
}