public async Task SetDescriptionFontFamily(System.Drawing.FontFamily value)
{
int lineSpacing = value.GetLineSpacing(FontStyle.Regular) / value.GetEmHeight(FontStyle.Regular);
await ExecuteScript(
"focusDescriptionElement.style.lineHeight = " + (lineSpacing == 0 ? 1 : lineSpacing) + ";" +
"focusDescriptionElement.style.fontFamily = \"" + value.Name.Replace(":", "\\:") + "\";" +
"textFit(focusDescriptionElement, { alignVert: true, alignHoriz: true });");
}
public float GetHeight(float dpi)
{
if (unit == GraphicsUnit.World || unit == GraphicsUnit.Pixel)
{
return(GetHeight(Graphics.DefaultGraphics));
}
else
{
return(fontFamily.GetLineSpacing(fontStyle) *
(size / fontFamily.GetEmHeight(fontStyle)) * dpi / 72f);
}
}
PixelFarm.Drawing.FontInfo RegisterFont(System.Drawing.Font newFont, FontKey fontKey)
{
//from ...
//1. http://msdn.microsoft.com/en-us/library/xwf9s90b%28v=vs.100%29.aspx
//3. Font metrics from http://msdn.microsoft.com/en-us/library/xwf9s90b(VS.71).aspx
//2. http://stackoverflow.com/questions/1006069/how-do-i-get-the-position-of-the-text-baseline-in-a-label-and-a-numericupdown
//cellHeight = font's ascent + descent
//linespacing = cellHeight + external leading
//em height (size)= cellHeight - internal leading
//-------------------
//evaluate this font, collect font matrix in pixel mode
PixelFarm.Drawing.FontInfo fontInfo;
if (!_fontInfoCache.TryGetValue(newFont, out fontInfo))
{
System.Drawing.FontFamily ff = newFont.FontFamily;
int lineSpacing = ff.GetLineSpacing(newFont.Style);
//font height is expensive call ****
int fontHeight = newFont.Height;
//convert descent
float fontSize = newFont.Size;
int fontEmHeight = newFont.FontFamily.GetEmHeight(newFont.Style);
int fontAscent = newFont.FontFamily.GetCellAscent(newFont.Style);
float descent = newFont.FontFamily.GetCellDescent(newFont.Style);
var myFont = new PixelFarm.Drawing.WinGdi.MyFont(newFont);
fontInfo = new PixelFarm.Drawing.WinGdi.MyFontInfo(
myFont,
fontHeight,
(fontAscent * fontSize / fontEmHeight),
(descent * fontSize / fontEmHeight),
fontHeight * fontAscent / lineSpacing,
gdiFontHelper);
myFont.SetFontInfo(fontInfo);
//lineSpacing * newFont.FontFamily.GetCellAscent(newFont.Style) / linespace);
//1. info
_fontInfoCache.Add(newFont, fontInfo);
_fontInfoCacheByFontKey.Add(fontKey, fontInfo);
_fontsUnmanagedCache[newFont] = newFont.ToHfont();
//2. line cache
_fontHeightCache[newFont] = fontHeight;
return(fontInfo);
}
return(fontInfo);
}
void ObtainFontMetrics(Graphics g)
{
string infoString = ""; // enough space for one line of output
int ascent; // font family ascent in design units
float ascentPixel; // ascent converted to pixels
int descent; // font family descent in design units
float descentPixel; // descent converted to pixels
int lineSpacing; // font family line spacing in design units
float lineSpacingPixel; // line spacing converted to pixels
FontStyle fontStyle = FontStyle.Regular;
//fontStyle = FontStyle.Italic | FontStyle.Bold;
FontFamily fontFamily = new FontFamily("arial");
//fontFamily = FontFamily.GenericSansSerif;
Font font = new Font(
fontFamily,
16, fontStyle,
GraphicsUnit.Pixel);
PointF pointF = new PointF(10, 10);
SolidBrush solidBrush = new SolidBrush(Color.Black);
// Display the font size in pixels.
infoString = "font family : " + font.FontFamily.Name + " " + fontStyle + ".";
g.DrawString(infoString, font, solidBrush, pointF);
// Move down one line.
pointF.Y += font.Height;
// Display the font size in pixels.
infoString = "font.Size returns " + font.Size + ".";
g.DrawString(infoString, font, solidBrush, pointF);
// Move down one line.
pointF.Y += font.Height;
// Display the font family em height in design units.
infoString = "fontFamily.GetEmHeight() returns " +
fontFamily.GetEmHeight(fontStyle) + ".";
g.DrawString(infoString, font, solidBrush, pointF);
// Move down two lines.
pointF.Y += 2 * font.Height;
// Display the ascent in design units and pixels.
ascent = fontFamily.GetCellAscent(fontStyle);
// 14.484375 = 16.0 * 1854 / 2048
ascentPixel =
font.Size * ascent / fontFamily.GetEmHeight(fontStyle);
infoString = "The ascent is " + ascent + " design units, " + ascentPixel +
" pixels.";
g.DrawString(infoString, font, solidBrush, pointF);
// Move down one line.
pointF.Y += font.Height;
// Display the descent in design units and pixels.
descent = fontFamily.GetCellDescent(fontStyle);
// 3.390625 = 16.0 * 434 / 2048
descentPixel =
font.Size * descent / fontFamily.GetEmHeight(fontStyle);
infoString = "The descent is " + descent + " design units, " +
descentPixel + " pixels.";
g.DrawString(infoString, font, solidBrush, pointF);
// Move down one line.
pointF.Y += font.Height;
// Display the line spacing in design units and pixels.
lineSpacing = fontFamily.GetLineSpacing(fontStyle);
// 18.398438 = 16.0 * 2355 / 2048
lineSpacingPixel =
font.Size * lineSpacing / fontFamily.GetEmHeight(fontStyle);
infoString = "The line spacing is " + lineSpacing + " design units, " +
lineSpacingPixel + " pixels.";
g.DrawString(infoString, font, solidBrush, pointF);
title = "ObtainFontMetrics";
}
/// <summary>
/// Connects the specifications of a font from XFont to a real glyph type face.
/// </summary>
void Initialize()
{
XFontMetrics fm = null;
#if DEBUG___
FontData[] fontDataArray = FontDataStock.Global.GetFontDataList();
if (fontDataArray.Length > 0)
{
//// GetType();
////#if GDI
//// var x = XPrivateFontCollection.global.GlobalPrivateFontCollection;
//// families = x.Families;
//// bool fff = families[0].IsStyleAvailable(System.Drawing.FontStyle.Regular);
//// fff.GetType();
//// this.font = new Font(families[0].Name, 12, System.Drawing.FontStyle.Regular, GraphicsUnit.Pixel);
//// this.font = new Font("Oblivious", 12, System.Drawing.FontStyle.Regular, GraphicsUnit.Pixel);
//// this.font = new Font(families[0], 12, System.Drawing.FontStyle.Regular, GraphicsUnit.Pixel);
//// System.Drawing.FontFamily f = new System.Drawing.FontFamily(families[0].Name);
//// f.GetType();
////#endif
}
#endif
#if GDI
if (this.font == null)
{
if (this.gdifamily != null)
{
this.font = new Font(this.gdifamily, (float)this.emSize, (System.Drawing.FontStyle) this.style, GraphicsUnit.World);
this.familyName = this.gdifamily.Name; // Do we need this???
}
else
{
// First check private fonts
this.font = XPrivateFontCollection.TryFindPrivateFont(this.familyName, this.emSize, (System.Drawing.FontStyle) this.style) ??
new Font(this.familyName, (float)this.emSize, (System.Drawing.FontStyle) this.style, GraphicsUnit.World);
}
#if DEBUG
// new Font returns MSSansSerif if the requested font was not found ...
//Debug.Assert(this.familyName == this.font.FontFamily.Name);
#endif
}
fm = Metrics;
System.Drawing.FontFamily fontFamily = this.font.FontFamily;
this.unitsPerEm = fm.UnitsPerEm;
System.Drawing.FontFamily fontFamily2 = this.font.FontFamily;
this.cellSpace = fontFamily2.GetLineSpacing(font.Style);
//Debug.Assert(this.cellSpace == fm.Ascent + Math.Abs(fm.Descent) + fm.Leading, "Value differs from information retrieved from font image.");
this.cellAscent = fontFamily.GetCellAscent(font.Style);
#pragma warning disable 1030
#warning delTHHO
//!!!delTHHO 14.08.2008 Debug.Assert(this.cellAscent == fm.Ascent, "Value differs from information retrieved from font image.");
//Debug.Assert(this.cellAscent == fm.Ascent, "Value differs from information retrieved from font image.");
this.cellDescent = fontFamily.GetCellDescent(font.Style);
#if DEBUG
int desc = Math.Abs(fm.Descent);
if (this.cellDescent != desc)
{
Debug.Assert(false, "Value differs from information retrieved from font image.");
}
#endif
#endif
#if WPF
#if !SILVERLIGHT
if (this.family == null)
{
Debug.Assert(this.typeface == null);
this.typeface = XPrivateFontCollection.TryFindTypeface(Name, this.style, out this.family);
#if true
if (this.typeface != null)
{
GlyphTypeface glyphTypeface;
ICollection <Typeface> list = this.family.GetTypefaces();
foreach (Typeface tf in list)
{
if (!tf.TryGetGlyphTypeface(out glyphTypeface))
{
Debugger.Break();
}
}
if (!this.typeface.TryGetGlyphTypeface(out glyphTypeface))
{
throw new InvalidOperationException(PSSR.CannotGetGlyphTypeface(Name));
}
}
#endif
}
if (this.family == null)
{
this.family = new System.Windows.Media.FontFamily(Name);
}
if (typeface == null)
{
this.typeface = FontHelper.CreateTypeface(this.family, style);
}
fm = Metrics;
Debug.Assert(this.unitsPerEm == 0 || this.unitsPerEm == fm.UnitsPerEm);
this.unitsPerEm = fm.UnitsPerEm;
//Debug.Assert(this.cellSpace == 0 || this.cellSpace == fm.Ascent + Math.Abs(fm.Descent) + fm.Leading);
this.cellSpace = fm.Ascent + Math.Abs(fm.Descent) + fm.Leading;
Debug.Assert(this.cellAscent == 0 || this.cellAscent == fm.Ascent);
this.cellAscent = fm.Ascent;
Debug.Assert(this.cellDescent == 0 || this.cellDescent == Math.Abs(fm.Descent));
this.cellDescent = Math.Abs(fm.Descent);
#else
if (fm != null)
{
fm.GetType();
}
#endif
#endif
}
/// <summary>
/// Font object
/// </summary>
/// <param name="graphics">GDI+ drawing surface</param>
/// <param name="fontFamilly">Font familly</param>
/// <param name="style">Font style</param>
/// <param name="name">Font name</param>
public PdfFont(Graphics graphics, FontFamily fontFamilly, FontStyle style, string name) {
this.CodeName = "/F" + id++;
this.Name = name;
this.HeightTs = (short)((fontFamilly.GetLineSpacing(style) * 1000) / fontFamilly.GetEmHeight(style));
this.WidthsTs = GetCharsWidth(graphics, fontFamilly, style);
}
public void FontFamily_String ()
{
HostIgnoreList.CheckTest ("MonoTests.System.Drawing.FontFamilyTest.FontFamily_String");
FontFamily ff = new FontFamily (name);
CheckMono (ff);
FontStyle style = FontStyle.Bold;
Assert.AreEqual (ff.Name, ff.GetName (0), "GetName");
Assert.IsTrue ((ff.GetCellAscent (style) > 0), "GetCellAscent");
Assert.IsTrue ((ff.GetCellDescent (style) > 0), "GetCellDescent");
Assert.IsTrue ((ff.GetEmHeight (style) > 0), "GetEmHeight");
Assert.IsTrue ((ff.GetLineSpacing (style) > 0), "GetLineSpacing");
Assert.IsTrue (ff.IsStyleAvailable (style), "IsStyleAvailable");
}
public float GetHeight(float dpi)
{
return((FontFamily.GetLineSpacing(Style) / FontFamily.GetEmHeight(Style))
* (SizeInPoints / _screenResolutionConverter [(int)Unit])
* dpi);
}
private void InitializeSizes()
{
_fretWidth = 4 * _size;
_nutHeight = _fretWidth / 2f;
_lineWidth = (int)Math.Ceiling(_size * 0.31);
_dotWidth = (int)Math.Ceiling(0.9 * _fretWidth);
_markerWidth = 0.7f * _fretWidth;
_boxWidth = 5 * _fretWidth + 6 * _lineWidth;
_boxHeight = FRET_COUNT * (_fretWidth + _lineWidth) + _lineWidth;
//Find out font sizes
FontFamily family = new FontFamily(FONT_NAME);
float perc = family.GetCellAscent(FontStyle.Regular) / (float)family.GetLineSpacing(FontStyle.Regular);
_fretFontSize = _fretWidth / perc;
_fingerFontSize = _fretWidth * 0.8f;
_nameFontSize = _fretWidth * 2f / perc;
_superScriptFontSize = 0.7f * _nameFontSize;
if (_size == 1) {
_nameFontSize += 2;
_fingerFontSize += 2;
_fretFontSize += 2;
_superScriptFontSize += 2;
}
_xstart = _fretWidth;
_ystart = (float) Math.Round(0.2f * _superScriptFontSize + _nameFontSize + _nutHeight + 1.7f * _markerWidth);
_imageWidth = (int)(_boxWidth + 5 * _fretWidth);
_imageHeight = (int)(_boxHeight + _ystart + _fretWidth + _fretWidth);
_signWidth = (int)(_fretWidth * 0.75);
_signRadius = _signWidth / 2;
}