private static void Recurse(int depth, IGraphics gr, Rectangle rc)
{
object o;
FontDesc fd;
fd = new FontDesc("Arial", 10, false, false, false);
o = gr.GetFontHandle(fd);
gr.PushFont(o);
gr.MeasureText("my name is alfie");
gr.DrawText(rc, 20, "hello", Color.Black, Color.White, -1, -1);
fd = new FontDesc("Times New Roman", 10, false, false, false);
o = gr.GetFontHandle(fd);
gr.PushFont(o);
gr.MeasureText("my name is alfie");
fd = new FontDesc("Arial", 10, false, false, false);
o = gr.GetFontHandle(fd);
gr.PushFont(o);
gr.MeasureText("my name is alfie");
if (depth < 100)
{
Recurse(depth + 1, gr, rc);
}
gr.PopFont();
gr.PopFont();
}
public Font FindFont(string familyName, float fontSize, FontWeight fontWeight, bool italic)
{
var fd = new FontDesc
{
Typeface = new TypefaceDesc
{
FamilyName = familyName,
Weight = fontWeight,
Italic = italic
},
Size = (int)(fontSize * 10)
};
if (!fonts.TryGetValue(fd, out var font))
{
if (!MatchTypeface(fd.Typeface, out SKTypeface typeface))
{
typeface = SKTypeface.FromFamilyName(familyName, fontWeight.ToSkia(), SKFontStyleWidth.Normal, italic ? SKFontStyleSlant.Italic : SKFontStyleSlant.Upright);
}
var skFont = typeface.ToFont(fontSize);
font = new SkiaFont(skFont);
if (fontWeight == FontWeight.Bold && typeface.FontWeight < (int)SKFontStyleWeight.SemiBold)
{
font.SKPaint.FakeBoldText = true;
}
fonts.Add(fd, font);
}
return(font);
}
private Font CreateFont(FontDesc fd)
{
Font f = new Font(fd.Family, fd.Size, fd.Style);
fontHandles[fd] = f;
return(f);
}
private IntPtr CreateFont(FontDesc fd)
{
IntPtr ret;
Font f = new Font(fd.Family, fd.Size, fd.Style);
ret = f.ToHfont();
fontHandles[fd] = ret;
f.Dispose();
return(ret);
}
public object GetFontHandle(FontDesc fd)
{
object ret = fontHandles[fd];
if (ret == null)
{
ret = CreateFont(fd);
}
return(ret);
}
public object GetFontHandle(FontDesc fd)
{
Win32Util.LOGFONT lf = new Win32Util.LOGFONT();
lf.lfFaceName = fd.Family;
lf.lfHeight = fd.Size;
lf.lfItalic = (byte)(fd.Style & FontStyle.Italic);
if ((fd.Style & FontStyle.Bold) == FontStyle.Bold)
{
lf.lfWeight = 700;
}
lf.lfItalic = (byte)(fd.Style & FontStyle.Underline);
return(Win32Util.CreateFont(lf));
}
private IntPtr CreateFont(FontDesc fd)
{
// Win32Util.LOGFONT lf=new Win32Util.LOGFONT();
// lf.lfFaceName=fd.Family;
// lf.lfHeight=fd.Size;
// lf.lfItalic=(byte) (fd.Style & FontStyle.Italic);
// if ( (fd.Style & FontStyle.Bold) == FontStyle.Bold )
// lf.lfWeight=700;
// lf.lfItalic=(byte) (fd.Style & FontStyle.Underline);
// IntPtr ret=Win32Util.CreateFont(lf);
Font f = new Font(fd.Family, fd.Size, fd.Style);
IntPtr ret = f.ToHfont();
fontHandles[fd] = ret;
// Console.WriteLine("Created font {0}", ret);
return(ret);
}
public void GetTextSize2()
{
FontDesc myFont = new FontDesc("Times New Roman", true, true, 5);
SizeF size = CourseFormatter.GetTextSize("1234", myFont, 1.3F);
Assert.AreEqual(13, size.Width, 0.01);
Assert.AreEqual(4.38, size.Height, 0.01);
Bitmap bm = new Bitmap(250, 250);
using (Graphics g = Graphics.FromImage(bm))
using (Font font = myFont.GetScaledFont(1.3F)) {
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
g.TranslateTransform(bm.Width / 2, bm.Height / 2);
g.ScaleTransform((float) (bm.Width / 20.0), (float) (bm.Height / 20.0));
StringFormat format = new StringFormat(StringFormat.GenericTypographic);
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
format.FormatFlags |= StringFormatFlags.NoClip;
RectangleF rect = new RectangleF(new PointF(-6, -6), size);
g.Clear(Color.White);
g.DrawString("1234", font, Brushes.Black, rect, format);
g.DrawRectangle(new Pen(Color.Red, 0.05F), rect.Left, rect.Top, rect.Width, rect.Height);
}
TestUtil.CheckBitmapsBase(bm, "courseformat\\textsize2");
}
