public void ApplyStyle(HCCanvas aCanvas, Single aScale = 1)
{
if (FBackColor == HC.HCTransparentColor)
{
aCanvas.Brush.Style = HCBrushStyle.bsClear;
}
else
{
aCanvas.Brush.Color = FBackColor;
}
aCanvas.Font.BeginUpdate();
try
{
aCanvas.Font.Color = FColor;
aCanvas.Font.Family = FFamily;
if ((FFontStyles.Contains((byte)HCFontStyle.tsSuperscript)) || (FFontStyles.Contains((byte)HCFontStyle.tsSubscript)))
{
aCanvas.Font.Size = FSize / 2;
}
else
{
aCanvas.Font.Size = FSize;
}
aCanvas.Font.FontStyles.Value = FFontStyles.Value; // 防止后面其他地方修改canva的font时影响到原始的样式数据
}
finally
{
aCanvas.Font.EndUpdate();
}
TEXTMETRICW vTextMetric = new TEXTMETRICW();
aCanvas.GetTextMetrics(ref vTextMetric);
FTextMetric_tmAveCharWidth = vTextMetric.tmAveCharWidth;
FTextMetric_tmExternalLeading = vTextMetric.tmExternalLeading;
FTextMetric_tmHeight = vTextMetric.tmHeight;
FONTSIGNATURE vFontSignature = new FONTSIGNATURE();
FFontHeight = aCanvas.TextHeight("H");
if ((GDI.GetTextCharsetInfo(aCanvas.Handle, ref vFontSignature, 0) != GDI.DEFAULT_CHARSET) &&
((vFontSignature.fsCsb[0] & CJK_CODEPAGE_BITS) != 0))
{
FCJKFont = true;
}
else
{
FCJKFont = false;
}
FOutMetSize = GDI.GetOutlineTextMetrics(aCanvas.Handle, 0, IntPtr.Zero);
if (FOutMetSize != 0)
{
//FOutMetSize = (uint)Marshal.SizeOf(FOutlineTextmetric);
IntPtr vOutlineTextmetricPtr = Marshal.AllocHGlobal((int)FOutMetSize);
try
{
if (GDI.GetOutlineTextMetrics(aCanvas.Handle, FOutMetSize, vOutlineTextmetricPtr) != 0)
{
//FOutlineTextmetric = new OUTLINETEXTMETRICW();
//FOutlineTextmetric = (OUTLINETEXTMETRICW)Marshal.PtrToStructure(FOutlineTextmetricPtr, typeof(OUTLINETEXTMETRICW));
//string otmpFamilyName = Marshal.PtrToStringUni(new IntPtr((int)FOutlineTextmetricPtr + (int)FOutlineTextmetric.otmpFamilyName));
//string otmpFaceName = Marshal.PtrToStringUni(new IntPtr((int)FOutlineTextmetricPtr + (int)FOutlineTextmetric.otmpFaceName)); ;
//string otmpStyleName = Marshal.PtrToStringUni(new IntPtr((int)FOutlineTextmetricPtr + (int)FOutlineTextmetric.otmpStyleName)); ;
//string otmpFullName = Marshal.PtrToStringUni(new IntPtr((int)FOutlineTextmetricPtr + (int)FOutlineTextmetric.otmpFullName)); ;
// 以上为参考代码
//Marshal.PtrToStructure(FOutlineTextmetricPtr, FOutlineTextmetric);
OUTLINETEXTMETRICW vOutlineTextmetric = (OUTLINETEXTMETRICW)Marshal.PtrToStructure(vOutlineTextmetricPtr, typeof(OUTLINETEXTMETRICW));
FOutlineTextmetric_otmfsSelection = vOutlineTextmetric.otmfsSelection;
FOutlineTextmetric_otmAscent = vOutlineTextmetric.otmAscent;
FOutlineTextmetric_otmDescent = vOutlineTextmetric.otmDescent;
FOutlineTextmetric_otmEMSquare = vOutlineTextmetric.otmEMSquare;
}
}
finally
{
Marshal.FreeHGlobal(vOutlineTextmetricPtr);
}
}
TT_HHEA vFontHeader = new TT_HHEA();
if ((uint)GDI.GetFontData(aCanvas.Handle, MS_HHEA_TAG, 0, ref vFontHeader, Marshal.SizeOf(vFontHeader)) != GDI.GDI_ERROR)
{
FFontHeader_Ascender = vFontHeader.Ascender;
FFontHeader_Descender = vFontHeader.Descender;
}
else
{
FFontHeader_Ascender = 0;
FFontHeader_Descender = 0;
}
}
public void ApplyStyle(HCCanvas aCanvas, Single aScale = 1)
{
if (FBackColor == HC.HCTransparentColor)
{
aCanvas.Brush.Style = HCBrushStyle.bsClear;
}
else
{
aCanvas.Brush.Color = FBackColor;
}
aCanvas.Font.BeginUpdate();
try
{
aCanvas.Font.Color = FColor;
aCanvas.Font.Family = FFamily;
if ((FFontStyles.Contains((byte)HCFontStyle.tsSuperscript)) || (FFontStyles.Contains((byte)HCFontStyle.tsSubscript)))
{
aCanvas.Font.Size = FSize / 2;
}
else
{
aCanvas.Font.Size = FSize;
}
aCanvas.Font.FontStyles = FFontStyles;
}
finally
{
aCanvas.Font.EndUpdate();
}
aCanvas.GetTextMetrics(ref FTextMetric);
FONTSIGNATURE vFontSignature = new FONTSIGNATURE();
FFontHeight = aCanvas.TextHeight("H");
if ((GDI.GetTextCharsetInfo(aCanvas.Handle, ref vFontSignature, 0) != GDI.DEFAULT_CHARSET) &&
((vFontSignature.fsCsb[0] & CJK_CODEPAGE_BITS) != 0))
{
FCJKFont = true;
}
else
{
FCJKFont = false;
}
if (FOutMetSize > 0)
{
Marshal.FreeHGlobal(FOutlineTextmetricPtr);
}
FOutMetSize = GDI.GetOutlineTextMetrics(aCanvas.Handle, 0, IntPtr.Zero);
if (FOutMetSize != 0)
{
//FOutMetSize = (uint)Marshal.SizeOf(FOutlineTextmetric);
FOutlineTextmetricPtr = Marshal.AllocHGlobal((int)FOutMetSize);
if (GDI.GetOutlineTextMetrics(aCanvas.Handle, FOutMetSize, FOutlineTextmetricPtr) != 0)
{
//FOutlineTextmetric = new OUTLINETEXTMETRICW();
//FOutlineTextmetric = (OUTLINETEXTMETRICW)Marshal.PtrToStructure(FOutlineTextmetricPtr, typeof(OUTLINETEXTMETRICW));
//string otmpFamilyName = Marshal.PtrToStringUni(new IntPtr((int)FOutlineTextmetricPtr + (int)FOutlineTextmetric.otmpFamilyName));
//string otmpFaceName = Marshal.PtrToStringUni(new IntPtr((int)FOutlineTextmetricPtr + (int)FOutlineTextmetric.otmpFaceName)); ;
//string otmpStyleName = Marshal.PtrToStringUni(new IntPtr((int)FOutlineTextmetricPtr + (int)FOutlineTextmetric.otmpStyleName)); ;
//string otmpFullName = Marshal.PtrToStringUni(new IntPtr((int)FOutlineTextmetricPtr + (int)FOutlineTextmetric.otmpFullName)); ;
// 以上为参考代码
//Marshal.PtrToStructure(FOutlineTextmetricPtr, FOutlineTextmetric);
FOutlineTextmetric = (OUTLINETEXTMETRICW)Marshal.PtrToStructure(FOutlineTextmetricPtr, typeof(OUTLINETEXTMETRICW));
}
}
if ((uint)GDI.GetFontData(aCanvas.Handle, MS_HHEA_TAG, 0, ref FFontHeader, Marshal.SizeOf(FFontHeader)) == GDI.GDI_ERROR)
{
return;
}
}