/// <summary>
/// Draws a text
/// </summary>
/// <param name="text">The text to be drawn</param>
/// <param name="font">The texts font</param>
/// <param name="x">The texts x-position</param>
/// <param name="y">The texts y-position</param>
/// <param name="z">The texts z-position</param>
/// <param name="color">The text color</param>
public static void DrawText(string text, CFont font, float x, float y, float z, SColorF color, bool allMonitors = true)
{
if (font.Height <= 0f || text == "")
{
return;
}
CFontStyle fontStyle = _GetFontStyle(font);
float dx = x;
foreach (char chr in text)
{
fontStyle.DrawGlyph(chr, font.Height, dx, y, z, color, allMonitors);
dx += fontStyle.GetWidth(chr, font.Height);
}
}
public static void DrawTextReflection(string text, CFont font, float x, float y, float z, SColorF color, float rspace, float rheight)
{
if (font.Height <= 0f || text == "")
{
return;
}
CFontStyle fontStyle = _GetFontStyle(font);
float dx = x;
foreach (char chr in text)
{
fontStyle.DrawGlyphReflection(chr, font.Height, dx, y, z, color, rspace, rheight);
dx += fontStyle.GetWidth(chr, font.Height);
}
}
public static void DrawText(string text, CFont font, float x, float y, float z, SColorF color, float begin, float end)
{
if (font.Height <= 0f || text == "")
{
return;
}
float w = GetTextWidth(text, font);
if (w <= 0f)
{
return;
}
float xStart = x + w * begin;
float xEnd = x + w * end;
float xCur = x;
CFontStyle fontStyle = _GetFontStyle(font);
foreach (char chr in text)
{
float w2 = fontStyle.GetWidth(chr, font.Height);
float b = (xStart - xCur) / w2;
if (b < 1f)
{
if (b < 0f)
{
b = 0f;
}
float e = (xEnd - xCur) / w2;
if (e > 0f)
{
if (e > 1f)
{
e = 1f;
}
fontStyle.DrawGlyph(chr, font.Height, xCur, y, z, color, b, e);
}
}
xCur += w2;
}
}
public static float GetTextHeight(string text, CFont font)
{
CFontStyle fontStyle = _GetFontStyle(font);
return(text == "" ? 0 : text.Select(chr => fontStyle.GetHeight(chr, font.Height)).Max());
}
public static float GetTextWidth(string text, CFont font)
{
CFontStyle fontStyle = _GetFontStyle(font);
return(text.Sum(chr => fontStyle.GetWidth(chr, font.Height)));
}
public CGlyph(char chr, CFontStyle fontStyle, float maxHeight)
{
MaxHeight = maxHeight;
float outlineSize = fontStyle.Outline * maxHeight;
string chrString = chr.ToString();
Font fo = fontStyle.GetSystemFont(maxHeight);
SizeF fullSize;
Size bmpSize;
using (Graphics g = Graphics.FromHwnd(IntPtr.Zero))
{
fullSize = g.MeasureString(chrString, fo);
if (chr != ' ')
{
//Gets exact height and width for drawing more than 1 char. But width is to small to draw char on bitmap as e.g. italic chars will get cropped
//See https://stackoverflow.com/questions/11708621/how-to-measure-width-of-a-string-precisely
StringFormat format = StringFormat.GenericTypographic;
RectangleF rect = new RectangleF(0, 0, 1000, 1000);
CharacterRange[] ranges = { new CharacterRange(0, chrString.Length) };
format.SetMeasurableCharacterRanges(ranges);
_BoundingBox = g.MeasureCharacterRanges(chrString, fo, rect, format)[0].GetBounds(g).Size;
// ReSharper disable CompareOfFloatsByEqualityOperator
if (_BoundingBox.Height == 0)
{
// ReSharper restore CompareOfFloatsByEqualityOperator
_BoundingBox.Height = fullSize.Height;
}
_BoundingBox.Width += outlineSize / 2;
_BoundingBox.Height += outlineSize;
fullSize.Width += outlineSize;
bmpSize = new Size((int)fullSize.Width, (int)Math.Round(_BoundingBox.Height));
}
else
{
_BoundingBox = fullSize;
_BoundingBox.Height += outlineSize;
bmpSize = new Size(1, 1);
}
}
using (var bmp = new Bitmap(bmpSize.Width, bmpSize.Height, PixelFormat.Format32bppArgb))
using (Graphics g = Graphics.FromImage(bmp))
{
g.Clear(Color.Transparent);
if (chr == ' ')
{
_Texture = CDraw.AddTexture(bmp);
_DrawBounding = new RectangleF(0, 0, 0, 0);
}
else
{
g.SmoothingMode = SmoothingMode.AntiAlias;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
var point = new PointF(outlineSize / 2, outlineSize / 4);
using (var path = new GraphicsPath())
{
//Have to use size in em not pixels!
float emSize = fo.Size * fo.FontFamily.GetCellAscent(fo.Style) / fo.FontFamily.GetEmHeight(fo.Style);
path.AddString(chrString, fo.FontFamily, (int)fo.Style, emSize, point, new StringFormat());
using (var pen = new Pen(fontStyle.OutlineColor.AsColor(), outlineSize))
{
pen.LineJoin = LineJoin.Round;
g.DrawPath(pen, path);
g.FillPath(Brushes.White, path);
}
}
_DrawBounding = _GetRealBounds(bmp);
using (Bitmap bmpCropped = bmp.Clone(_DrawBounding, PixelFormat.Format32bppArgb))
{
float dx = (fullSize.Width - _BoundingBox.Width - 1) / 2;
_DrawBounding.X -= dx;
_Texture = CDraw.AddTexture(bmpCropped);
/*_DrawBounding.X *= _Texture.Width / _DrawBounding.Width;
* _DrawBounding.Y *= _Texture.Width / _DrawBounding.Width;
* _DrawBounding.Width = _Texture.Width;
* _DrawBounding.Height = _Texture.Height;*/
#if FONT_DEBUG_OUTPUT
if (Char.IsLetterOrDigit(chr))
{
if (outline > 0)
{
bmpCropped.Save("font_" + chr + "o" + CFonts.Style + "2.png", ImageFormat.Png);
}
else
{
bmpCropped.Save("font_" + chr + CFonts.Style + "2.png", ImageFormat.Png);
}
}
#endif
}
}
}
}
