Graphics IGraphicsProvider.GetGraphics()
{
if (_measurer == null)
{
_measurer = SafeGraphics.CreateReferenceGraphics();
}
return(_measurer);
}
private static Image CreateMetafile(MemoryStream ms, SizeF size)
{
using (Graphics gTemp = SafeGraphics.CreateReferenceGraphics())
{
var mf = new Metafile(ms, gTemp.GetHdc(), new RectangleF(Point.Empty, size), MetafileFrameUnit.Pixel, EmfType.EmfPlusDual);
gTemp.ReleaseHdc();
return(mf);
}
}
private static byte[] GetFontBytes(string fontName, System.Drawing.FontStyle fontStyle, int table, int size = 0)
{
using (Font font = new Font(fontName, 80, fontStyle))
using (Graphics gTemp = SafeGraphics.CreateReferenceGraphics())
{
IntPtr hFont = font.ToHfont();
IntPtr hdc = gTemp.GetHdc();
IntPtr oldHFont = SelectObject(hdc, hFont);
try
{
var fontDataSize = size == 0 ? GetFontDataSize(hdc, table, 0, IntPtr.Zero, 0) : (uint)size;
if (fontDataSize == 0 || fontDataSize == 0xFFFFFFFF)
{
return(null);
}
var fontData = new byte[fontDataSize];
var result = GetFontData(hdc, table, 0, fontData, (int)fontDataSize);
if (result == 0xFFFFFFFF)
{
return(null);
}
return(fontData);
}
catch
{
return(null);
}
finally
{
SelectObject(hdc, oldHFont);
DeleteObject(hFont);
gTemp.ReleaseHdc(hdc);
}
}
}
