/// <summary>
///
/// </summary>
/// <param name="hdc"></param>
/// <param name="fontDescription"></param>
/// <param name="orientation"></param>
/// <param name="text"></param>
/// <param name="rectangle"></param>
/// <param name="contentAlignment"></param>
/// <param name="rect"></param>
internal static void PrintRotatedText(IntPtr hdc, FontDescription fontDescription, int orientation, string text, Rectangle rectangle, ContentAlignment contentAlignment,
NativeWindowCommon.RECT rect, bool rightToLeft)
{
IntPtr hFont;
Point point;
// get the original font and its LOGFONT
NativeWindowCommon.LOGFONT logfont = fontDescription.LogFont;
// Set the rotation angle
logfont.lfEscapement = logfont.lfOrientation = orientation;
// create the new, rotated font
hFont = NativeWindowCommon.CreateFontIndirect(logfont);
NativeWindowCommon.SelectObject(hdc, hFont);
point = CalculateStartCoordinates(hdc, rectangle, orientation, text, contentAlignment);
uint fuOptions = NativeWindowCommon.ETO_CLIPPED;
if (rightToLeft)
{
fuOptions = NativeWindowCommon.ETO_RTLREADING;
}
NativeWindowCommon.ExtTextOut(hdc, point.X, point.Y, fuOptions, ref rect, text, (uint)text.Length, null);
NativeWindowCommon.DeleteObject(hFont);
}
/// <summary>
/// Returns the font text metrics for true type and non true type fonts assigned to control according to mgFont.
/// </summary>
/// <param name="control"></param>
/// <param name="mgFont"></param>
/// <returns></returns>
public static PointF GetFontMetricsByMgFont(Control control, MgFont mgFont)
{
PointF retPoint;
lock (_metricsMgFontCache)
{
if (!_metricsMgFontCache.TryGetValue(mgFont, out retPoint))
{
#if PocketPC
// In PocketPC, Panels don't have CreateGraphics. We go up the parents
// tree until we find a non-panel one.
while (control is Panel)
{
control = control.Parent;
}
#endif
using (Graphics g = control.CreateGraphics())
{
int dpiY = (int)g.DpiY;
NativeWindowCommon.LOGFONT nativeLogFont = new NativeWindowCommon.LOGFONT();
nativeLogFont.lfFaceName = mgFont.TypeFace;
nativeLogFont.lfHeight = -NativeWindowCommon.MulDiv(mgFont.Height, dpiY, 72);
// Set the rotation angle
nativeLogFont.lfEscapement = nativeLogFont.lfOrientation = mgFont.Orientation;
nativeLogFont.lfItalic = Convert.ToByte(mgFont.Italic);
nativeLogFont.lfStrikeOut = Convert.ToByte(mgFont.Strikethrough);
nativeLogFont.lfUnderline = Convert.ToByte(mgFont.Underline);
if (mgFont.Bold)
{
nativeLogFont.lfWeight = (int)NativeWindowCommon.FontWeight.FW_BOLD;
}
else
{
nativeLogFont.lfWeight = (int)NativeWindowCommon.FontWeight.FW_NORMAL;
}
nativeLogFont.lfCharSet = (byte)mgFont.CharSet;
IntPtr hFont = NativeWindowCommon.CreateFontIndirect(nativeLogFont);
// use the font in the DC
GetTextMetrics(g, hFont, mgFont.TypeFace, mgFont.Height, out retPoint);
//Release the resources.
nativeLogFont = null;
NativeWindowCommon.DeleteObject(hFont);
}
_metricsMgFontCache.Add(mgFont, retPoint);
}
}
return(retPoint);
}
/// <summary>
///
/// </summary>
/// <param name="obj"></param>
/// <param name="value"></param>
static void SetFont(object obj, object value)
{
Font font = (Font)value;
NativeWindowCommon.LOGFONT logfont = new NativeWindowCommon.LOGFONT();
font.ToLogFont(logfont);
GuiUtils.setFont(obj, font, logfont.lfOrientation, 0);
}
/// <summary>
/// Convert back logFont.lfHeight and convert to TWIPS (20ths of a point).
/// </summary>
/// <param name="logFont"></param>
/// <returns></returns>
public static int LogFontHeightToFontSize(NativeWindowCommon.LOGFONT logFont, Control control)
{
Point resolution = Utils.GetResolution(control);
return(-NativeWindowCommon.MulDiv(logFont.lfHeight, 72 * 20, (int)resolution.Y));
}
public LogFontKey(NativeWindowCommon.LOGFONT logfont)
{
this.logfont = logfont;
}
public LogFontKey(Font key)
{
logfont = new NativeWindowCommon.LOGFONT();
key.ToLogFont(logfont);
}
public FontHandleContainer Get(NativeWindowCommon.LOGFONT logfont)
{
LogFontKey logFontKey = new LogFontKey(logfont);
return(base.Get(logFontKey));
}
