/// <summary>
/// This gets called to instruct the element to draw itself in the appropriate spot of the graphics object
/// </summary>
/// <param name="g">The graphics object to draw to</param>
/// <param name="printing">Boolean, true if printing to an actual print document</param>
public override void Draw(Graphics g, bool printing)
{
if (_layoutMap == null || _layoutMap.Scale == 0)
{
return;
}
//Sets up the pens and brushes
Brush scaleBrush = new SolidBrush(_color);
Pen scalePen = new Pen(scaleBrush);
//Calculates the width of one break in greographic units
float unitLegnth = g.MeasureString(_unitText, _font).Width * 2;
float widthNoUnit = (Size.Width - unitLegnth);
Int64 geoBreakWidth = Convert.ToInt64((widthNoUnit / 100 * _layoutMap.Scale) / GetConversionFactor(_unit.ToString()) / (_numBreaks));
//If the geobreakWidth is less than 1 we return and don't draw anything
if (geoBreakWidth < 1)
{
return;
}
//Save the old transform
Matrix oldTransform = g.Transform;
g.TranslateTransform(Location.X, Location.Y);
TextRenderingHint oldHint = g.TextRenderingHint;
g.TextRenderingHint = _textHint;
double n = Math.Pow(10, geoBreakWidth.ToString(CultureInfo.InvariantCulture).Length - 1);
geoBreakWidth = Convert.ToInt64(Math.Floor(geoBreakWidth / n) * n);
Int64 breakWidth = Convert.ToInt64((1D * geoBreakWidth / _layoutMap.Scale) * GetConversionFactor(_unit.ToString()) * 100D);
float fontHeight = g.MeasureString(geoBreakWidth.ToString(CultureInfo.InvariantCulture), _font).Height;
float leftStart = g.MeasureString(Math.Abs(geoBreakWidth).ToString(CultureInfo.InvariantCulture), _font).Width / 2F;
//Decides if a break should be drawn before the zero
int startBreak = 0;
if (_breakBeforeZero)
{
startBreak = -1;
}
g.DrawLine(scalePen, leftStart, fontHeight * 1.6f, leftStart + (breakWidth * _numBreaks), fontHeight * 1.6f);
g.DrawString("1 : " + string.Format("{0:0, }", Map.Scale), _font, scaleBrush, leftStart - (g.MeasureString(Math.Abs(geoBreakWidth * startBreak).ToString(), _font).Width / 2), fontHeight * 2.5F);
for (int i = startBreak; i <= _numBreaks + startBreak; i++)
{
g.DrawLine(scalePen, leftStart, fontHeight * 1.1f, leftStart, fontHeight + (fontHeight * 1.1f));
g.DrawString(Math.Abs(geoBreakWidth * i).ToString(CultureInfo.InvariantCulture), _font, scaleBrush, leftStart - (g.MeasureString(Math.Abs(geoBreakWidth * i).ToString(), _font).Width / 2), 0);
leftStart = leftStart + breakWidth;
}
g.DrawString(_unitText, _font, scaleBrush, leftStart - breakWidth + (fontHeight / 2), fontHeight * 1.1f);
//Restore the old transform
g.Transform = oldTransform;
g.TextRenderingHint = oldHint;
}
/// <summary>
/// This gets called to instruct the element to draw itself in the appropriate spot of the graphics object
/// </summary>
/// <param name="g">The graphics object to draw to</param>
/// <param name="printing">Boolean, true if printing to an actual print document</param>
public override void Draw(Graphics g, bool printing)
{
GraphicsPath GP = new GraphicsPath();
StringFormat format = new StringFormat();
format.LineAlignment = StringAlignment.Near;
format.Alignment = StringAlignment.Near;
if (_layoutMap == null || _layoutMap.Scale == 0)
{
return;
}
// Sets up the pens and brushes
Brush scaleBrush = new SolidBrush(_color);
Pen scalePen = new Pen(scaleBrush);
// Calculates the width of one break in greographic units
float unitLegnth = g.MeasureString(_unitText, _font).Width * 2;
float widthNoUnit = Size.Width - unitLegnth;
long geoBreakWidth = Convert.ToInt64((widthNoUnit / 100 * _layoutMap.Scale) / GetConversionFactor(_unit.ToString()) / _numBreaks);
// If the geobreakWidth is less than 1 we return and don't draw anything
if (geoBreakWidth < 1)
{
return;
}
// Save the old transform
Matrix oldTransform = g.Transform;
g.TranslateTransform(Location.X, Location.Y);
TextRenderingHint oldHint = g.TextRenderingHint;
g.TextRenderingHint = _textHint;
double n = Math.Pow(10, geoBreakWidth.ToString(CultureInfo.InvariantCulture).Length - 1);
geoBreakWidth = Convert.ToInt64(Math.Floor(geoBreakWidth / n) * n);
long breakWidth = Convert.ToInt64((1D * geoBreakWidth / _layoutMap.Scale) * GetConversionFactor(_unit.ToString()) * 100D);
float fontHeight = g.MeasureString(geoBreakWidth.ToString(CultureInfo.InvariantCulture), _font).Height;
float leftStart = g.MeasureString(Math.Abs(geoBreakWidth).ToString(CultureInfo.InvariantCulture), _font).Width / 2F;
// Decides if a break should be drawn before the zero
int startBreak = 0;
if (_breakBeforeZero)
{
startBreak = -1;
}
// CGX
g.SetClip(Rectangle, CombineMode.Union);
// fin CGX
g.DrawLine(scalePen, leftStart, fontHeight * 1.6f, leftStart + (breakWidth * _numBreaks), fontHeight * 1.6f);
//g.DrawString("1 : " + String.Format("{0:0, }", Map.Scale), _font, scaleBrush, leftStart - (g.MeasureString(Math.Abs(geoBreakWidth * startBreak).ToString(), _font).Width / 2), fontHeight * 2.5F);
//CGX
PointF pointScale = new PointF(leftStart - (g.MeasureString(Math.Abs(geoBreakWidth * startBreak).ToString(), _font).Width / 2), fontHeight * 2.5F);
GP.AddString("1 : " + String.Format("{0:0 }", Map.Scale), _font.FontFamily, (int)_font.Style, _font.SizeInPoints * 96F / 72F, pointScale, format);
for (int i = startBreak; i <= _numBreaks + startBreak; i++)
{
PointF pUp = new PointF(leftStart, fontHeight + (fontHeight * 1.1f));
PointF pDown = new PointF(leftStart, fontHeight * 1.1f);
g.DrawLine(scalePen, leftStart, fontHeight * 1.1f, leftStart, fontHeight + (fontHeight * 1.1f));
GP.AddString(Math.Abs(geoBreakWidth * i).ToString(CultureInfo.InvariantCulture), _font.FontFamily, (int)_font.Style, _font.SizeInPoints * 96F / 72F, new PointF(leftStart - (g.MeasureString(Math.Abs(geoBreakWidth * i).ToString(), _font).Width / 2), 0), format);
leftStart = leftStart + breakWidth;
}
GP.AddString(_unitText, _font.FontFamily, (int)_font.Style, _font.SizeInPoints * 96F / 72F, new PointF(leftStart - breakWidth + (fontHeight / 2), fontHeight * 1.1f), format);
g.FillPath(new SolidBrush(_color), GP);
GP.Dispose();
//Restore the old transform
g.Transform = oldTransform;
g.TextRenderingHint = oldHint;
}
