/// <summary>
/// FONT
/// </summary>
internal FontsTable()
{
_fontTable = new List <MgFont>();
//init the default font
_defaultFont = new MgFont(0, "MS Sans Serif", 8, 0, 0, 0);
}
/// <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>
/// Font
/// </summary>
/// <param name="control"></param>
/// <param name="properties"></param>
static void BuildFontProperty(MgControlBase control, Dictionary <string, DesignerPropertyInfo> properties)
{
bool isDefaultvalue = false;
int value = GetRuntimeValueAsInt(control, PropInterface.PROP_TYPE_FONT, ref isDefaultvalue);
MgFont mgFont = isDefaultvalue ? null : Manager.GetFontsTable().getFont(value);
properties.Add(Constants.WinPropFont, new DesignerPropertyInfo()
{
VisibleInPropertyGrid = true, Value = mgFont, IsDefaultValue = isDefaultvalue
});
}
/// <summary>
/// get the new fonts after the font table changed
/// </summary>
internal void RecalculateFonts()
{
if (MgFontIndex != 0)
{
MgFont mgFont = Manager.GetFontsTable().getFont(MgFontIndex);
Font = FontsCache.GetInstance().Get(mgFont);
Control c = getEditorControl();
if (c != null)
{
ControlUtils.SetFont(c, Font);
}
}
}
public void endElement(String elementName, String elementValue, NameValueCollection attributes)
{
if (elementName == XMLConstants.MG_TAG_FONT_ENTRY)
{
String styleName;
int index = 0;
int height = 0;
FontAttributes style = 0;
String typeFace = null;
int charSet = 0;
int orientation = 0;
IEnumerator enumerator = attributes.GetEnumerator();
while (enumerator.MoveNext())
{
String attr = (String)enumerator.Current;
switch (attr)
{
case XMLConstants.MG_ATTR_ID:
index = Int32.Parse(attributes[attr]);
break;
case XMLConstants.MG_ATTR_HEIGHT:
height = Int32.Parse(attributes[attr]);
break;
case XMLConstants.MG_TYPE_FACE:
typeFace = attributes[attr];
break;
case XMLConstants.MG_ATTR_CHAR_SET:
charSet = Int32.Parse(attributes[attr]);
break;
case XMLConstants.MG_ATTR_STYLE:
styleName = attributes[attr];
if (styleName.IndexOf('B') > -1) // Check if styleName contains "B"
{
style |= FontAttributes.FontAttributeBold;
}
if (styleName.IndexOf('I') > -1) // Check if styleName contains "I"
{
style |= FontAttributes.FontAttributeItalic;
}
if (styleName.IndexOf('U') > -1) // Check if styleName contains "U"
{
style |= FontAttributes.FontAttributeUnderline;
}
if (styleName.IndexOf('S') > -1) // Check if styleName contains "S"
{
style |= FontAttributes.FontAttributeStrikethrough;
}
break;
case XMLConstants.MG_ATTR_ORIENTATION:
orientation = Int32.Parse(attributes[attr]);
break;
default:
Events.WriteExceptionToLog(
"There is no such tag in MgFont class. Insert case to FontTable.endElement() for: " + attr);
break;
}
}
MgFont font = new MgFont(index, typeFace, height, style, orientation, charSet);
lock (_enclosingInstance)
{
_enclosingInstance._fontTable.Add(font);
}
}
// It should come in this function only for FontTable tag or for Font tag..For other tags we should write error to log
else if (elementName != XMLConstants.MG_TAG_FONTTABLE)
{
Events.WriteExceptionToLog("There is no such tag in FontTable.endElement(): " +
elementName);
}
}
