AirScout/AeroWizard/AeroWizard/Native/LOGFONT.cs

237 wiersze
7.9 KiB
C#

using System.Drawing;
using System.Runtime.InteropServices;
namespace Vanara.Interop
{
internal static partial class NativeMethods
{
public enum LogFontCharSet : byte
{
ANSI_CHARSET = 0,
DEFAULT_CHARSET = 1,
SYMBOL_CHARSET = 2,
SHIFTJIS_CHARSET = 128,
HANGEUL_CHARSET = 129,
HANGUL_CHARSET = 129,
GB2312_CHARSET = 134,
CHINESEBIG5_CHARSET = 136,
OEM_CHARSET = 255,
JOHAB_CHARSET = 130,
HEBREW_CHARSET = 177,
ARABIC_CHARSET = 178,
GREEK_CHARSET = 161,
TURKISH_CHARSET = 162,
VIETNAMESE_CHARSET = 163,
THAI_CHARSET = 222,
EASTEUROPE_CHARSET = 238,
RUSSIAN_CHARSET = 204,
MAC_CHARSET = 77,
BALTIC_CHARSET = 186
}
public enum LogFontClippingPrecision : byte
{
CLIP_DEFAULT_PRECIS = 0,
CLIP_CHARACTER_PRECIS = 1,
CLIP_STROKE_PRECIS = 2,
CLIP_MASK = 0xf,
CLIP_LH_ANGLES = 1 << 4,
CLIP_TT_ALWAYS = 2 << 4,
CLIP_DFA_DISABLE = 4 << 4,
CLIP_EMBEDDED = 8 << 4
}
public enum LogFontFontFamily : byte
{
FF_DONTCARE = 0 << 4,
FF_ROMAN = 1 << 4,
FF_SWISS = 2 << 4,
FF_MODERN = 3 << 4,
FF_SCRIPT = 4 << 4,
FF_DECORATIVE = 5 << 4,
}
public enum LogFontOutputPrecision : byte
{
OUT_DEFAULT_PRECIS = 0,
OUT_STRING_PRECIS = 1,
OUT_CHARACTER_PRECIS = 2,
OUT_STROKE_PRECIS = 3,
OUT_TT_PRECIS = 4,
OUT_DEVICE_PRECIS = 5,
OUT_RASTER_PRECIS = 6,
OUT_TT_ONLY_PRECIS = 7,
OUT_OUTLINE_PRECIS = 8,
OUT_SCREEN_OUTLINE_PRECIS = 9,
OUT_PS_ONLY_PRECIS = 10
}
public enum LogFontOutputQuality : byte
{
DEFAULT_QUALITY = 0,
DRAFT_QUALITY = 1,
PROOF_QUALITY = 2,
NONANTIALIASED_QUALITY = 3,
ANTIALIASED_QUALITY = 4,
CLEARTYPE_QUALITY = 5,
CLEARTYPE_NATURAL_QUALITY = 6
}
public enum LogFontPitch : byte
{
DEFAULT_PITCH = 0,
FIXED_PITCH = 1,
VARIABLE_PITCH = 2
}
/// <summary>The LOGFONT structure defines the attributes of a font.</summary>
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
public struct LOGFONT
{
/// <summary>
/// The height, in logical units, of the font's character cell or character. The character height value (also known as the em height) is the
/// character cell height value minus the internal-leading value. The font mapper interprets the value specified in lfHeight in the following manner.
/// <list type="table">
/// <listheader>
/// <term>Value</term>
/// <definition>Meaning</definition>
/// </listheader>
/// <item>
/// <term>&gt; 0</term>
/// <definition>The font mapper transforms this value into device units and matches it against the cell height of the available fonts.</definition>
/// </item>
/// <item>
/// <term>0</term>
/// <definition></definition> The font mapper uses a default height value when it searches for a match.
/// </item>
/// <item>
/// <term>&lt; 0</term>
/// <definition>The font mapper transforms this value into device units and matches its absolute value against the character height of the available fonts.</definition>
/// </item>
/// </list>
/// <para>For all height comparisons, the font mapper looks for the largest font that does not exceed the requested size.</para>
/// <para>This mapping occurs when the font is used for the first time.</para>
/// <para>For the MM_TEXT mapping mode, you can use the following formula to specify a height for a font with a specified point size:</para>
/// </summary>
public int lfHeight;
/// <summary>
/// The average width, in logical units, of characters in the font. If lfWidth is zero, the aspect ratio of the device is matched against the
/// digitization aspect ratio of the available fonts to find the closest match, determined by the absolute value of the difference.
/// </summary>
public int lfWidth;
/// <summary>
/// The angle, in tenths of degrees, between the escapement vector and the x-axis of the device. The escapement vector is parallel to the base line
/// of a row of text.
/// <para>
/// When the graphics mode is set to GM_ADVANCED, you can specify the escapement angle of the string independently of the orientation angle of the
/// string's characters.
/// </para>
/// <para>
/// When the graphics mode is set to GM_COMPATIBLE, lfEscapement specifies both the escapement and orientation. You should set lfEscapement and
/// lfOrientation to the same value.
/// </para>
/// </summary>
public int lfEscapement;
/// <summary>The angle, in tenths of degrees, between each character's base line and the x-axis of the device.</summary>
public int lfOrientation;
/// <summary>
/// The weight of the font in the range 0 through 1000. For example, 400 is normal and 700 is bold. If this value is zero, a default weight is used.
/// </summary>
public int lfWeight;
/// <summary>An italic font if set to TRUE.</summary>
public byte lfItalic;
/// <summary>An underlined font if set to TRUE.</summary>
public byte lfUnderline;
/// <summary>A strikeout font if set to TRUE.</summary>
public byte lfStrikeOut;
/// <summary>The character set.</summary>
public LogFontCharSet lfCharSet;
/// <summary>
/// The output precision. The output precision defines how closely the output must match the requested font's height, width, character orientation,
/// escapement, pitch, and font type.
/// </summary>
public LogFontOutputPrecision lfOutPrecision;
/// <summary>The clipping precision. The clipping precision defines how to clip characters that are partially outside the clipping region.</summary>
public LogFontClippingPrecision lfClipPrecision;
/// <summary>
/// The output quality. The output quality defines how carefully the graphics device interface (GDI) must attempt to match the logical-font
/// attributes to those of an actual physical font.
/// </summary>
public LogFontOutputQuality lfQuality;
/// <summary>The pitch and family of the font.</summary>
public byte lfPitchAndFamily;
/// <summary>
/// A null-terminated string that specifies the typeface name of the font. The length of this string must not exceed 32 TCHAR values, including the
/// terminating NULL. The EnumFontFamiliesEx function can be used to enumerate the typeface names of all currently available fonts. If lfFaceName is
/// an empty string, GDI uses the first font that matches the other specified attributes.
/// </summary>
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
public string lfFaceName;
public bool Italic
{
get { return lfItalic == 1; }
set { lfItalic = System.Convert.ToByte(value); }
}
public bool Underline
{
get { return lfUnderline == 1; }
set { lfUnderline = System.Convert.ToByte(value); }
}
public bool StrikeOut
{
get { return lfStrikeOut == 1; }
set { lfStrikeOut = System.Convert.ToByte(value); }
}
public LogFontPitch Pitch
{
get { return (LogFontPitch)(lfPitchAndFamily & 0x0F); }
set { lfPitchAndFamily = (byte)((lfPitchAndFamily & 0xF0) | (byte)value); }
}
public LogFontFontFamily FontFamily
{
get { return (LogFontFontFamily)(lfPitchAndFamily & 0xF0); }
set { lfPitchAndFamily = (byte)((lfPitchAndFamily & 0x0F) | (byte)value); }
}
public static LOGFONT FromFont(Font font)
{
if (font == null)
throw new System.ArgumentNullException(nameof(font));
var lf = default(LOGFONT);
font.ToLogFont(lf);
return lf;
}
public Font ToFont()
{
try
{
return Font.FromLogFont(this);
}
catch
{
return new Font(lfFaceName, lfHeight, FontStyle.Regular, GraphicsUnit.Display);
}
}
public override string ToString() => $"lfHeight={lfHeight}, lfWidth={lfWidth}, lfEscapement={lfEscapement}, lfOrientation={lfOrientation}, lfWeight={lfWeight}, lfItalic={lfItalic}, lfUnderline={lfUnderline}, lfStrikeOut={lfStrikeOut}, lfCharSet={lfCharSet}, lfOutPrecision={lfOutPrecision}, lfClipPrecision={lfClipPrecision}, lfQuality={lfQuality}, lfPitchAndFamily={lfPitchAndFamily}, lfFaceName={lfFaceName}";
}
}
}