/// <summary>
/// Get Font Metrics
/// </summary>
/// <param name="pIncFont"></param>
public FontMetrics(Font pIncFont)
{
using (MyDeviceContext dc = new MyDeviceContext())
{
Font newFont = new Font(pIncFont.FontFamily, pIncFont.FontFamily.GetEmHeight(pIncFont.Style), pIncFont.Style, GraphicsUnit.Pixel);
dc.SelectedFont = newFont;
uint cbSize = GetOutlineTextMetrics(dc.GetHdc(), 0, IntPtr.Zero);
if (cbSize == 0)
{
throw new Win32Exception();
}
IntPtr buffer = Marshal.AllocHGlobal((int)cbSize);
try
{
if (GetOutlineTextMetrics(dc.GetHdc(), cbSize, buffer) != 0)
{
OUTLINETEXTMETRIC otm;
otm = (OUTLINETEXTMETRIC)Marshal.PtrToStructure(buffer, typeof(OUTLINETEXTMETRIC));
this.italicAngle = otm.otmItalicAngle;
IntPtr newPtr;
try
{
newPtr = new IntPtr(buffer.ToInt32() + otm.otmpFullName);
fullName = Marshal.PtrToStringAuto(newPtr);
}
catch { }
try
{
newPtr = new IntPtr(buffer.ToInt32() + otm.otmpFaceName);
faceName = Marshal.PtrToStringAuto(newPtr);
}
catch { }
try
{
newPtr = new IntPtr(buffer.ToInt32() + otm.otmpFamilyName);
familyName = Marshal.PtrToStringAuto(newPtr);
}
catch { }
try
{
newPtr = new IntPtr(buffer.ToInt32() + otm.otmpStyleName);
styleName = Marshal.PtrToStringAuto(newPtr);
}
catch { }
this.capHeight = (int)otm.otmsCapEmHeight;
this.fontBBox = otm.otmrcFontBox;
this.stemV = otm.otmTextMetrics.tmMaxCharWidth;
this.firstChar = otm.otmTextMetrics.tmFirstChar;
this.lastChar = otm.otmTextMetrics.tmLastChar;
if (this.LastChar == 0)
{
this.LastChar = 255;
}
/// load embedding license
/// If bit 1 of otmfsType is set, embedding is not permitted for the font.
/// If bit 1 is clear, the font can be embedded.
/// If bit 2 is set, the embedding is read-only.
if ((otm.otmfsType & 0x01) == 0x01)
{
embeddingLicense = EmbeddingLicense.NotAllowed;
}
else
{
embeddingLicense = EmbeddingLicense.Allowed;
}
if ((otm.otmfsType & 0x02) == 0x02)
{
embeddingLicense = EmbeddingLicense.AllowedReadOnly;
}
// make flag
// taken from http://msdn.microsoft.com/en-us/library/dd162774(VS.85).aspx
if (otm.otmPanoseNumber.bProportion == 0x04)
{
flags |= 1;
}
if (otm.otmPanoseNumber.bFamilyType == 0x03)
{
flags |= 8;
}
if (otm.otmPanoseNumber.bFamilyType == 0x02)
{
flags |= 32; // nonsymbolic font
}
else
{
flags |= 4; // symbolic font
}
if (!(otm.otmPanoseNumber.bSerifStyle == 0x0b || otm.otmPanoseNumber.bSerifStyle == 0x0c || otm.otmPanoseNumber.bSerifStyle == 0x0d))
{
flags |= 2;
}
}
}
finally
{
Marshal.FreeHGlobal(buffer);
}
}
}
/// <summary>
/// Get Font Metrics
/// </summary>
/// <param name="pIncFont"></param>
public FontMetrics(Font pIncFont)
{
using (MyDeviceContext dc = new MyDeviceContext())
{
Font newFont = new Font(pIncFont.FontFamily, pIncFont.FontFamily.GetEmHeight(pIncFont.Style), pIncFont.Style, GraphicsUnit.Pixel);
dc.SelectedFont = newFont;
uint cbSize = GetOutlineTextMetrics(dc.GetHdc(), 0, IntPtr.Zero);
if (cbSize == 0) throw new Win32Exception();
IntPtr buffer = Marshal.AllocHGlobal((int)cbSize);
try
{
if (GetOutlineTextMetrics(dc.GetHdc(), cbSize, buffer) != 0)
{
OUTLINETEXTMETRIC otm;
otm = (OUTLINETEXTMETRIC)Marshal.PtrToStructure(buffer, typeof(OUTLINETEXTMETRIC));
this.italicAngle = otm.otmItalicAngle;
IntPtr newPtr;
try
{
newPtr = new IntPtr(buffer.ToInt32() + otm.otmpFullName);
fullName = Marshal.PtrToStringAuto(newPtr);
}
catch { }
try
{
newPtr = new IntPtr(buffer.ToInt32() + otm.otmpFaceName);
faceName = Marshal.PtrToStringAuto(newPtr);
}
catch { }
try
{
newPtr = new IntPtr(buffer.ToInt32() + otm.otmpFamilyName);
familyName = Marshal.PtrToStringAuto(newPtr);
}
catch { }
try
{
newPtr = new IntPtr(buffer.ToInt32() + otm.otmpStyleName);
styleName = Marshal.PtrToStringAuto(newPtr);
}
catch { }
this.capHeight = (int)otm.otmsCapEmHeight;
this.fontBBox = otm.otmrcFontBox;
this.stemV = otm.otmTextMetrics.tmMaxCharWidth;
this.firstChar = otm.otmTextMetrics.tmFirstChar;
this.lastChar = otm.otmTextMetrics.tmLastChar;
if (this.LastChar == 0)
{
this.LastChar = 255;
}
/// load embedding license
/// If bit 1 of otmfsType is set, embedding is not permitted for the font.
/// If bit 1 is clear, the font can be embedded.
/// If bit 2 is set, the embedding is read-only.
if ((otm.otmfsType & 0x01) == 0x01)
{
embeddingLicense = EmbeddingLicense.NotAllowed;
}
else
{
embeddingLicense = EmbeddingLicense.Allowed;
}
if ((otm.otmfsType & 0x02) == 0x02)
{
embeddingLicense = EmbeddingLicense.AllowedReadOnly;
}
// make flag
// taken from http://msdn.microsoft.com/en-us/library/dd162774(VS.85).aspx
if (otm.otmPanoseNumber.bProportion == 0x04)
{
flags |= 1;
}
if (otm.otmPanoseNumber.bFamilyType == 0x03)
{
flags |= 8;
}
if (otm.otmPanoseNumber.bFamilyType == 0x02)
{
flags |= 32; // nonsymbolic font
}
else
{
flags |= 4; // symbolic font
}
if (!(otm.otmPanoseNumber.bSerifStyle == 0x0b || otm.otmPanoseNumber.bSerifStyle == 0x0c || otm.otmPanoseNumber.bSerifStyle == 0x0d))
{
flags |= 2;
}
}
}
finally
{
Marshal.FreeHGlobal(buffer);
}
}
}
