static public void LimitBoxDraw(
Graphics g, string val, Font font, Brush brush, RectangleF rect,
DrawPositionType drawPosType = DrawPositionType.Center, bool isLimitDraw = true,
bool isMultipleRow = false, int direction = 0, float rotateAngle = 0)
{
LimitBoxDrawInfo drawInfo = new LimitBoxDrawInfo();
drawInfo.g = g;
drawInfo.txt = val;
drawInfo.font = font;
drawInfo.brush = brush;
drawInfo.rect = rect;
drawInfo.drawPosType = drawPosType;
drawInfo.isLimitDraw = isLimitDraw;
drawInfo.isMultipleRow = isMultipleRow;
drawInfo.direction = direction;
drawInfo.rotateAngle = rotateAngle;
LimitBoxDraw(drawInfo);
}
static public void LimitBoxDraw(LimitBoxDrawInfo drawInfo)
{
PointF pt = new PointF(drawInfo.rect.X, drawInfo.rect.Y);
float scalex = 1.0F;
float scaley = 1.0F;
float stringWidth;
float stringHeight;
StringFormat strF;
SizeF fontSize;
System.Drawing.RectangleF layoutRect = drawInfo.rect;
Graphics g = drawInfo.g;
if (drawInfo.direction == 0)
{
strF = new StringFormat();
if (!drawInfo.isMultipleRow)
{
fontSize = g.MeasureString(drawInfo.txt, drawInfo.font);
}
else
{
SizeF area = new SizeF(drawInfo.rect.Width, 0);
fontSize = g.MeasureString(drawInfo.txt, drawInfo.font, area);
layoutRect.Width = fontSize.Width;
layoutRect.Height = fontSize.Height;
}
}
else
{
strF = new StringFormat(StringFormatFlags.DirectionVertical);
if (!drawInfo.isMultipleRow)
{
fontSize = g.MeasureString(drawInfo.txt, drawInfo.font, 0, strF);
}
else
{
SizeF area = new SizeF(0, drawInfo.rect.Height);
fontSize = g.MeasureString(drawInfo.txt, drawInfo.font, area, strF);
layoutRect.Width = fontSize.Width;
layoutRect.Height = fontSize.Height;
}
}
stringWidth = fontSize.Width;
stringHeight = fontSize.Height;
if (drawInfo.isLimitDraw)
{
if (fontSize.Width > drawInfo.rect.Width)
{
scalex = drawInfo.rect.Width / fontSize.Width;
stringWidth = drawInfo.rect.Width;
}
if (fontSize.Height > drawInfo.rect.Height)
{
scaley = drawInfo.rect.Height / fontSize.Height;
stringHeight = drawInfo.rect.Height;
}
}
switch (drawInfo.drawPosType)
{
case DrawPositionType.LeftTop:
pt.X = drawInfo.rect.X;
pt.Y = drawInfo.rect.Y;
break;
case DrawPositionType.Top:
pt.X = drawInfo.rect.X + drawInfo.rect.Width / 2 - stringWidth / 2;
pt.Y = drawInfo.rect.Y;
break;
case DrawPositionType.RightTop:
pt.X = drawInfo.rect.Right - stringWidth;
pt.Y = drawInfo.rect.Y;
break;
case DrawPositionType.Left:
pt.X = drawInfo.rect.X;
pt.Y = drawInfo.rect.Y + drawInfo.rect.Height / 2 - stringHeight / 2;
break;
case DrawPositionType.Center:
pt.X = drawInfo.rect.X + drawInfo.rect.Width / 2 - stringWidth / 2;
pt.Y = drawInfo.rect.Y + drawInfo.rect.Height / 2 - stringHeight / 2;
break;
case DrawPositionType.Right:
pt.X = drawInfo.rect.Right - stringWidth;
pt.Y = drawInfo.rect.Y + drawInfo.rect.Height / 2 - stringHeight / 2;
break;
case DrawPositionType.LeftBottom:
pt.X = drawInfo.rect.X;
pt.Y = drawInfo.rect.Bottom - stringHeight;
break;
case DrawPositionType.Bottom:
pt.X = drawInfo.rect.X + drawInfo.rect.Width / 2 - stringWidth / 2;
pt.Y = drawInfo.rect.Bottom - stringHeight;
break;
case DrawPositionType.RightBottom:
pt.X = drawInfo.rect.Right - stringWidth;
pt.Y = drawInfo.rect.Bottom - stringHeight;
break;
}
pt.X /= scalex;
pt.Y /= scaley;
System.Drawing.Drawing2D.Matrix matrix, oldMatrix;
if (drawInfo.brush == null)
{
drawInfo.brush = new SolidBrush(System.Drawing.Color.Black);
}
if (scalex == 0)
{
scalex = 0.1F;
}
if (scaley == 0)
{
scaley = 0.1F;
}
oldMatrix = g.Transform;
matrix = oldMatrix.Clone();
matrix.Scale(scalex, scaley);
float x = pt.X + stringWidth / 2;
float y = pt.Y + stringHeight / 2;
matrix.Translate(x, y);
matrix.Rotate(drawInfo.rotateAngle);
g.Transform = matrix;
if (!drawInfo.isMultipleRow)
{
g.DrawString(drawInfo.txt, drawInfo.font, drawInfo.brush, -stringWidth / 2, -stringHeight / 2, strF);
}
else
{
layoutRect.X = -stringWidth / 2;
layoutRect.Y = -stringHeight / 2;
g.DrawString(drawInfo.txt, drawInfo.font, drawInfo.brush, layoutRect, strF);
}
g.Transform = oldMatrix;
}