public static void DrawString(Graphics g, string text, Font font, Brush brush,
PointF point, StringFormat stringFormat, StiRotationMode rotationMode, float angle, bool antialiasing,
int maximalWidth)
{
DrawString(g, text, font, brush, point, stringFormat, rotationMode, angle,
antialiasing, true, false, maximalWidth);
}
private static PointF GetStartPoint(StiRotationMode rotationMode, RectangleF textRect)
{
PointF centerPoint = new PointF(textRect.X + (textRect.Width / 2), textRect.Y + (textRect.Height / 2));
switch (rotationMode)
{
case StiRotationMode.LeftCenter:
return(new PointF(textRect.X, centerPoint.Y));
case StiRotationMode.LeftBottom:
return(new PointF(textRect.X, textRect.Bottom));
case StiRotationMode.CenterTop:
return(new PointF(centerPoint.X, textRect.Top));
case StiRotationMode.CenterCenter:
return(centerPoint);
case StiRotationMode.CenterBottom:
return(new PointF(centerPoint.X, textRect.Bottom));
case StiRotationMode.RightTop:
return(new PointF(textRect.Right, textRect.Top));
case StiRotationMode.RightCenter:
return(new PointF(textRect.Right, centerPoint.Y));
case StiRotationMode.RightBottom:
return(new PointF(textRect.Right, textRect.Bottom));
default:
return(textRect.Location);
}
}
public static void DrawString(Graphics g, string text, Font font, Brush brush,
RectangleF rect, StringFormat stringFormat, StiRotationMode rotationMode, float angle, bool antialiasing,
int maximalWidth)
{
PointF point = new PointF(rect.X + rect.Width / 2, rect.Y + rect.Height / 2);
DrawString(g, text, font, brush, point, stringFormat, rotationMode, angle, antialiasing, maximalWidth);
}
public static void CalculateAngle(StiTextDockMode dockMode, ref float angle, ref StiRotationMode rotationMode)
{
switch (dockMode)
{
case StiTextDockMode.Top:
if (angle == 0f)
{
rotationMode = StiRotationMode.CenterBottom;
}
else if (angle >= 0)
{
rotationMode = StiRotationMode.LeftCenter;
}
else if (angle <= -0)
{
rotationMode = StiRotationMode.RightCenter;
}
break;
case StiTextDockMode.Bottom:
if (angle == 0f)
{
rotationMode = StiRotationMode.CenterTop;
}
else if (angle >= 0)
{
rotationMode = StiRotationMode.RightCenter;
}
else if (angle <= -0)
{
rotationMode = StiRotationMode.LeftCenter;
}
break;
case StiTextDockMode.Left:
rotationMode = StiRotationMode.RightCenter;
break;
case StiTextDockMode.Right:
rotationMode = StiRotationMode.LeftCenter;
break;
}
}
public StiTextGeom DrawRotatedString(string text, StiFontGeom font, object brush, PointF pos, StiStringFormatGeom sf, StiRotationMode mode,
float angle, bool antialiasing)
{
StiTextGeom textGeom = new StiTextGeom(text, font, brush, pos, sf, angle, antialiasing, mode, true);
geoms.Add(textGeom);
return(textGeom);
}
public void DrawAnimationLabel(string text, StiFontGeom font, object textBrush, object labelBrush, StiPenGeom penBorder, Rectangle rect, StiStringFormatGeom sf, StiRotationMode mode,
float angle, bool drawBorder, TimeSpan duration, TimeSpan?beginTime)
{
geoms.Add(new StiLabelAnimationGeom(text, font, textBrush, labelBrush, penBorder, rect, sf, mode, angle, drawBorder, duration, beginTime));
}
public RectangleF MeasureRotatedString(string text, StiFontGeom font, PointF point, StiStringFormatGeom sf, StiRotationMode mode, float angle)
{
return(contextPainter.MeasureRotatedString(text, font, point, sf, mode, angle));
}
public StiTextGeom DrawRotatedString(string text, StiFontGeom font, object brush, RectangleF rect, StiStringFormatGeom sf, StiRotationMode mode,
float angle, bool antialiasing, int maximalWidth)
{
StiTextGeom textGeom = new StiTextGeom(text, font, brush, rect, sf, angle, antialiasing, maximalWidth, mode, true);
geoms.Add(textGeom);
return(textGeom);
}
public StiLabelAnimationGeom(string text, StiFontGeom font, object textBrush, object LabelBrush, StiPenGeom penBorder, Rectangle rect, StiStringFormatGeom sf, StiRotationMode rotationMode,
float angle, bool drawBorder, TimeSpan duration, TimeSpan?beginTime) : base(duration, beginTime)
{
this.Text = text;
this.Font = font;
this.TextBrush = textBrush;
this.LabelBrush = LabelBrush;
this.PenBorder = penBorder;
this.Rectangle = rect;
this.StringFormat = sf;
this.RotationMode = rotationMode;
this.Angle = angle;
this.DrawBorder = drawBorder;
}
public abstract RectangleF MeasureRotatedString(string text, StiFontGeom font, PointF point, StiStringFormatGeom sf, StiRotationMode mode, float angle);
private static RectangleF DrawString(Graphics g, string text, Font font, Brush brush,
PointF point, StringFormat stringFormat, StiRotationMode rotationMode, float angle,
bool antialiasing, bool draw, bool measure, int maximalWidth)
{
if (string.IsNullOrEmpty(text))
{
return(new RectangleF(point.X, point.Y, 0, 0));
}
SizeF textSize = g.MeasureString(text, font, maximalWidth, stringFormat);
if (textSize.Width == 0 && textSize.Height == 0)
{
return(new RectangleF(point.X, point.Y, 0, 0));
}
GraphicsState state = g.Save();
TextRenderingHint textHint = g.TextRenderingHint;
if (antialiasing)
{
g.TextRenderingHint = TextRenderingHint.AntiAlias;
}
float px = point.X;
float py = point.Y;
RectangleF textRect = new RectangleF(0, 0, textSize.Width, textSize.Height);
g.TranslateTransform(px, py);
g.RotateTransform(angle);
PointF startPoint = GetStartPoint(rotationMode, textRect);
textRect.X -= startPoint.X;
textRect.Y -= startPoint.Y;
RectangleF rect = RectangleF.Empty;
if (textRect.Width != 0 && textRect.Height != 0)
{
if (draw)
{
g.DrawString(text, font, brush, textRect, stringFormat);
}
//Red line
//if (draw)
//g.DrawLine(Pens.Red, textRect.X, textRect.Y + textRect.Height / 2, textRect.Right, textRect.Y + textRect.Height / 2);
if (measure)
{
using (GraphicsPath path = new GraphicsPath())
{
path.AddRectangle(textRect);
path.Transform(g.Transform);
rect = path.GetBounds();
}
}
if (antialiasing)
{
g.TextRenderingHint = textHint;
}
}
g.RotateTransform(-angle);
g.TranslateTransform(-px, -py);
if (measure)
{
rect = new RectangleF(rect.X - g.Transform.OffsetX, rect.Y - g.Transform.OffsetY, rect.Width, rect.Height);
}
rect.Width++;
rect.Height++;
g.Restore(state);
return(rect);
}
public static void DrawString(Graphics g, string text, Font font, Brush brush,
RectangleF rect, StringFormat stringFormat, StiRotationMode rotationMode, float angle, bool antialiasing)
{
DrawString(g, text, font, brush,
rect, stringFormat, rotationMode, angle, antialiasing, 0);
}
public static RectangleF MeasureString(Graphics g, string text, Font font,
RectangleF rect, StringFormat stringFormat, StiRotationMode rotationMode, float angle)
{
return(MeasureString(g, text, font,
rect, stringFormat, rotationMode, angle, 0));
}
public static RectangleF MeasureString(Graphics g, string text, Font font,
RectangleF rect, StringFormat stringFormat, StiRotationMode rotationMode, float angle, int maximalWidth)
{
PointF point = new PointF(rect.X + rect.Width / 2, rect.Y + rect.Height / 2);
return(DrawString(g, text, font, null, point, stringFormat, rotationMode, angle,
false, false, true, maximalWidth));
}
public static RectangleF MeasureString(Graphics g, string text, Font font,
PointF point, StringFormat stringFormat, StiRotationMode rotationMode, float angle, int maximalWidth)
{
return(DrawString(g, text, font, null, point, stringFormat, rotationMode, angle,
false, false, true, maximalWidth));
}