/// <summary>
/// Draws a bordered string on a bitmap.
/// </summary>
/// <param name="str"></param>
/// <param name="bitmap"></param>
/// <param name="drawSettings"></param>
/// <returns></returns>
public static Image DrawBorderedString(string str, Image bitmap, DrawSettings drawSettings)
{
Graphics g = Graphics.FromImage(bitmap);
StringFormat stringFormat = drawSettings.StringFormat;
Color StringColor = drawSettings.Color;
string adjustedText = WordWrap(str, drawSettings.WrapWidth);
Point point = new Point(bitmap.Width / 2, bitmap.Height / 2 - 40);
Font font = drawSettings.Font;
font = GetAdjustedFont(g, adjustedText, font, bitmap.Width, drawSettings.MaxTextSize, drawSettings.MinTextSize, true);
GraphicsPath p = new GraphicsPath();
float moveX = bitmap.Width / 2f + 20;
float moveY = bitmap.Height / 2f - 40 + 20;
g.TranslateTransform(moveX, moveY);
g.RotateTransform(-35f);
g.TranslateTransform(-moveX, -moveY);
p.AddString(adjustedText, FontFamily.GenericSansSerif, (int)FontStyle.Regular, g.DpiY * font.Size / 72, point, stringFormat);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.SmoothingMode = SmoothingMode.HighQuality;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
g.CompositingQuality = CompositingQuality.HighQuality;
Pen pen = new Pen(Color.Black, 10f);
g.DrawPath(pen, p);
p.FillMode = FillMode.Winding;
//g.FillPath(new TextureBrush(fillMap, new Rectangle(0, 0, bitmap.Width, bitmap.Height)), p);
RectangleF pathRect = p.GetBounds();
Rectangle gradRect = new Rectangle(0, 0, 20, 20);
var gradBrush = new LinearGradientBrush(gradRect, Color.BlueViolet, Color.ForestGreen, LinearGradientMode.ForwardDiagonal);
//gradBrush.CenterColor = Color.Aqua;
//gradBrush.SurroundColors = new[] { Color.Coral, Color.Crimson, Color.ForestGreen, Color.Pink, Color.White };
g.FillPath(gradBrush, p);
//graphicsImage.DrawString(adjustedText, font, new SolidBrush(StringColor), point,
// centerFormat);
g.ResetTransform();
return(bitmap);
}
/// <summary>
/// Draw a string on the given <see cref="Image"/>.
/// </summary>
/// <param name="str"></param>
/// <param name="bitmap"></param>
/// <param name="drawSettings"></param>
/// <returns></returns>
public static Image DrawString(string str, Image bitmap, DrawSettings drawSettings)
{
if (drawSettings.DrawStyle == DrawStyle.Bordered)
{
return(DrawBorderedString(str, bitmap, drawSettings));
}
Graphics graphicsImage = Graphics.FromImage(bitmap);
//strFormat.FormatFlags |= StringFormatFlags.FitBlackBox;
Color StringColor = drawSettings.Color;
Point point = new Point(bitmap.Width / 2, bitmap.Height / 2);
if (drawSettings.WrapWidth > 0)
{
str = WordWrap(str, drawSettings.WrapWidth);
}
Font font = GetAdjustedFont(graphicsImage, str, drawSettings.Font, (int)(bitmap.Width * .9f), drawSettings.MaxTextSize, drawSettings.MinTextSize, true);
graphicsImage.DrawString(str, font, new SolidBrush(StringColor), point,
drawSettings.StringFormat);
return(bitmap);
}
