public void Import(FontDescription options)
{
// Create a bunch of GDI+ objects.
using (Font font = CreateFont(options))
using (Brush brush = new SolidBrush(Color.White))
using (StringFormat stringFormat = new StringFormat(StringFormatFlags.NoFontFallback))
using (Bitmap bitmap = new Bitmap(MaxGlyphSize, MaxGlyphSize, PixelFormat.Format32bppArgb))
using (System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage(bitmap))
{
graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
// Which characters do we want to include?
var characters = CharacterRegion.Flatten(options.CharacterRegions);
var glyphList = new List <Glyph>();
// Rasterize each character in turn.
foreach (char character in characters)
{
Glyph glyph = ImportGlyph(character, font, brush, stringFormat, bitmap, graphics);
glyphList.Add(glyph);
}
Glyphs = glyphList;
// Store the font height.
LineSpacing = font.GetHeight();
}
}
public void Import(FontDescription options)
{
// Load the source bitmap.
Bitmap bitmap;
try
{
bitmap = new Bitmap(options.FontName);
}
catch
{
throw new FontException(string.Format("Unable to load '{0}'.", options.FontName));
}
// Convert to our desired pixel format.
bitmap = BitmapUtils.ChangePixelFormat(bitmap, PixelFormat.Format32bppArgb);
// What characters are included in this font?
var characters = Utilities.ToArray(CharacterRegion.Flatten(options.CharacterRegions));
int characterIndex = 0;
char currentCharacter = '\0';
// Split the source image into a list of individual glyphs.
var glyphList = new List <Glyph>();
Glyphs = glyphList;
LineSpacing = 0;
foreach (Rectangle rectangle in FindGlyphs(bitmap))
{
if (characterIndex < characters.Length)
{
currentCharacter = characters[characterIndex++];
}
else
{
currentCharacter++;
}
glyphList.Add(new Glyph(currentCharacter, bitmap, rectangle));
LineSpacing = Math.Max(LineSpacing, rectangle.Height);
}
// If the bitmap doesn't already have an alpha channel, create one now.
if (BitmapUtils.IsAlphaEntirely(255, bitmap))
{
BitmapUtils.ConvertGreyToAlpha(bitmap);
}
}
public void Import(FontDescription options)
{
var factory = new DirectWrite.Factory();
DirectWrite.Font font = null;
using (var fontCollection = factory.GetSystemFontCollection(false))
{
int index;
if (!fontCollection.FindFamilyName(options.FontName, out index))
{
// Lets try to import System.Drawing for old system bitmap fonts (like MS Sans Serif)
throw new FontException(string.Format("Can't find font '{0}'.", options.FontName));
}
using (var fontFamily = fontCollection.GetFontFamily(index))
{
var weight = FontWeight.Regular;
var style = DirectWrite.FontStyle.Normal;
switch (options.Style)
{
case FontStyle.Bold:
weight = FontWeight.Bold;
break;
case FontStyle.Italic:
weight = FontWeight.Regular;
style = DirectWrite.FontStyle.Italic;
break;
case FontStyle.Regular:
weight = FontWeight.Regular;
break;
}
font = fontFamily.GetFirstMatchingFont(weight, DirectWrite.FontStretch.Normal, style);
}
}
var fontFace = new FontFace(font);
var fontMetrics = fontFace.Metrics;
// Create a bunch of GDI+ objects.
var fontSize = PointsToPixels(options.Size);
// Which characters do we want to include?
var characters = CharacterRegion.Flatten(options.CharacterRegions);
var glyphList = new List <Glyph>();
// Store the font height.
LineSpacing = (float)(fontMetrics.LineGap + fontMetrics.Ascent + fontMetrics.Descent) / fontMetrics.DesignUnitsPerEm * fontSize;
var baseLine = (float)(fontMetrics.LineGap + fontMetrics.Ascent) / fontMetrics.DesignUnitsPerEm * fontSize;
// Rasterize each character in turn.
foreach (char character in characters)
{
var glyph = ImportGlyph(factory, fontFace, character, fontMetrics, fontSize, options.AntiAlias);
glyph.YOffset += baseLine;
glyphList.Add(glyph);
}
Glyphs = glyphList;
factory.Dispose();
}
