private static bool PropertyEquals(DMember member1, DMember member2)
{
if (member1 == null || member2 == null || member1.MType != member2.MType) return false;
switch (member1.MType)
{
case MemberType.TextChar:
return member1.WFont.Equals(member2.WFont) && member1.FontColor.Equals(member2.FontColor);
}
return false;
}
private void ExecuteMemberPaint(DMember member)
{
member.Paint(_graphics);
}
private void ResetPosition(DMember hMember)
{
var tempMember = _firstMember.NextMember;
while (tempMember != null)
{
tempMember.Y = this.Y + hMember.Height - tempMember.Height -
(int)GetFontHeightOffSet(hMember, tempMember);
tempMember = tempMember.NextMember;
}
_firstMember.Y = _firstMember.NextMember.Y;
_lastMember.Y = _lastMember.PreMember.Y;
_firstMember.X = this.X;
}
/// <summary>
/// 修正字体底部对齐所需偏移量
/// </summary>
/// <param name="member1"></param>
/// <param name="member2"></param>
/// <returns></returns>
public static float GetFontHeightOffSet(DMember member1, DMember member2)
{
if (member1.WFont == null || member2.WFont == null || member1.WFont.Size.Equals(member2.WFont.Size))
return 0;
var fontFamily = member1.WFont.FontFamily;
var descent = fontFamily.GetCellDescent(FontStyle.Regular);
//字体下部距离
var descentPixel1 = member1.WFont.Size * descent / fontFamily.GetEmHeight(FontStyle.Regular);
//var descentPixel2 = member2.WFont.Size * descent / fontFamily.GetEmHeight(FontStyle.Regular);
//return descentPixel1 - descentPixel2;
return descentPixel1;
}
private static bool PropertyEquals(DMember member1, DMember member2)
{
if (member1 == null || member2 == null) return false;
return member1.WFont.Equals(member2.WFont) && member1.FontColor.Equals(member2.FontColor);
}