private void DrawMultiLegend(ref Graphics g, Legends _Legends, int LegendWidth, int LegendHeight, bool ShowPointLegend, bool showMissingDataInLegend, int MultiLegendIndex, LegendsSequenceOrder legendSequenceOrder)
{
int i;
SolidBrush BrTitle = new SolidBrush(m_LegendBodyColor);
Legend _Legend;
string LegendCaption = string.Empty;
SizeF LegendTitleSize = g.MeasureString(m_LegendTitle, m_LegendFont);
int LegendLeftPos = 0;
float ImageRowHeight = LegendTitleSize.Height; // image height set in single row when width exceeds then wrap in next row
//change Increment
int SetOnce = 0;
//endchange
switch (m_ThemeType)
{
case ThemeType.Symbol:
object BrLegend;
StringFormat _StringFormat = new StringFormat();
_StringFormat.Alignment = StringAlignment.Center;
_StringFormat.LineAlignment = StringAlignment.Center;
_StringFormat.FormatFlags = StringFormatFlags.NoClip;
for (i = 0; i <= _Legends.Count - 1; i++)
{
bool DrawLegendRequired = true;
//- Skip MissingData Legend if not required
if (i == m_Legends.Count - 1 && showMissingDataInLegend == false)
{
DrawLegendRequired = false;
}
if (DrawLegendRequired)
{
_Legend = _Legends[i];
LegendCaption = string.Empty;
//*** Pick Legend Title from Source Legend - [Caption] Doublespace [Title]
if (this.ShowLegendCaption)
{
LegendCaption = _Legend.Caption + " ";
}
else if (showMissingDataInLegend && i == m_Legends.Count - 1)
{
//- Show MissingData for Last Legend if Caption is blank
LegendCaption = _Legend.Caption + " ";
}
if (this.ShowLegendRange && (!(string.IsNullOrEmpty(_Legend.Title))))
{
LegendCaption += _Legend.Title;
}
if (this.ShowAreaCount)
{
LegendCaption += " (" + Convert.ToString(_Legend.ShapeCount) + ")";
}
//-Draw Symbol marchar
if (legendSequenceOrder == LegendsSequenceOrder.SingleRow)
{
_StringFormat.Alignment = StringAlignment.Near;
//- Show all symbols in single row (Horizontally)
//- Starting left position of Legend's Color box
LegendLeftPos += 10;
//-show Symbol box adjacent (right) to previous Legend
if (_Legend.SymbolImage == "" || File.Exists(_Legend.SymbolImage) == false)
{
BrLegend = new SolidBrush(_Legend.Color);
g.DrawString(_Legend.MarkerChar.ToString(), _Legend.MarkerFont, (SolidBrush)BrLegend, LegendLeftPos, LegendTitleSize.Height + 5 + (_Legend.MarkerFont.Size / 3), _StringFormat);
//_StringFormat
LegendLeftPos += (int)(g.MeasureString(_Legend.MarkerChar.ToString(), _Legend.MarkerFont).Width);
}
else
{
BrLegend = Image.FromFile(_Legend.SymbolImage);
g.DrawImage((Image)BrLegend, LegendLeftPos, LegendTitleSize.Height + 5 + 6, Math.Min(16, ((Image)BrLegend).Width), Math.Min(13, ((Image)BrLegend).Height));
LegendLeftPos += LegendWidth;
}
}
else
{
//-Show all Symbols in single column
if (_Legend.SymbolImage == "" || File.Exists(_Legend.SymbolImage) == false)
{
BrLegend = new SolidBrush(_Legend.Color);
g.DrawString(_Legend.MarkerChar.ToString(), _Legend.MarkerFont, (SolidBrush)BrLegend, 30, LegendTitleSize.Height + 5 + (_Legend.MarkerFont.Size / 2) + (i * LegendHeight), _StringFormat);
//_StringFormat
}
else
{
BrLegend = Image.FromFile(_Legend.SymbolImage);
g.DrawImage((Image)BrLegend, 10, LegendTitleSize.Height + 5 + (i * LegendHeight) + 6, Math.Min(16, ((Image)BrLegend).Width), Math.Min(13, ((Image)BrLegend).Height));
}
}
if (legendSequenceOrder == LegendsSequenceOrder.SingleColumn)
{
//-Show Legend Caption or Range
g.DrawString(LegendCaption, m_LegendBodyFont, BrTitle, LegendWidth + 20, LegendTitleSize.Height + 5 + (i * LegendHeight));
}
else
{
//- if in single row, then draw caption next to Symbol Box
LegendLeftPos += 10;
g.DrawString(LegendCaption.Trim(), m_LegendBodyFont, BrTitle, LegendLeftPos, LegendTitleSize.Height + 5);
//- For next Legend, increment left position by caption width.
LegendLeftPos += (int)(g.MeasureString(LegendCaption.Trim(), m_LegendBodyFont).Width);
}
//Range Title
}
}
BrLegend = new SolidBrush(Color.Black); // BrLegend object is equalled to SolidBrush so that .Dispose() can be used. SolidBrush has no significance here.
if ((BrLegend != null))
{
((SolidBrush)BrLegend).Dispose();
}
_StringFormat.Dispose();
break;
//TODO Handle MultiColorTheme case
case ThemeType.Label:
int PreviousLegendHeight = 0;
SizeF LegendSize;
BrLegend = new SolidBrush(Color.Black);
for (i = 0; i <= _Legends.Count - 1; i++)
{
_Legend = _Legends[i];
LegendCaption = string.Empty;
//*** Pick Legend Title from Source Legend - [Caption] Doublespace [Title]
if (this.ShowLegendCaption)
{
LegendCaption = _Legend.Caption + " ";
}
else if (showMissingDataInLegend && i == m_Legends.Count - 1)
{
//- Show MissingData for Last Legend if Caption is blank
LegendCaption = _Legend.Caption + " ";
}
if (this.ShowLegendRange && (!(string.IsNullOrEmpty(_Legend.Title))))
{
LegendCaption += _Legend.Title;
}
if (this.ShowAreaCount)
{
LegendCaption += " (" + Convert.ToString(_Legend.ShapeCount) + ")";
}
LegendSize = g.MeasureString(LegendCaption, _Legend.MarkerFont);
LegendHeight = (int)(LegendSize.Height);
LegendWidth = (int)(LegendSize.Width);
BrLegend = new SolidBrush(_Legend.Color);
//accomodate legend size to display large text
g.SetClip(new Rectangle(0, (int)LegendTitleSize.Height + PreviousLegendHeight + 5, (int)(15 + LegendWidth), LegendHeight));
g.DrawString(LegendCaption, _Legend.MarkerFont, (SolidBrush)BrLegend, 10, LegendTitleSize.Height + PreviousLegendHeight + 5);
g.ResetClip();
PreviousLegendHeight += LegendHeight;
}
((SolidBrush)BrLegend).Dispose();
break;
//TODO Handle MultiColorTheme case
case ThemeType.Color:
case ThemeType.Hatch:
LegendLeftPos = 0;
for (i = 0; i <= _Legends.Count - 1; i++)
{
bool DrawLegendRequired = true;
//- Skip MissingData Legend if not required
if (i == m_Legends.Count - 1 && showMissingDataInLegend == false)
{
DrawLegendRequired = false;
}
if (DrawLegendRequired)
{
_Legend = _Legends[i];
LegendCaption = string.Empty;
//*** Pick Title from Source Legend
//--Start Change C1 - display - <Caption>Doublespace<Title>
if (this.ShowLegendCaption)
{
LegendCaption = _Legend.Caption + " ";
}
else if (showMissingDataInLegend && i == m_Legends.Count - 1)
{
//- Show MissingData for Last Legend if Caption is blank
LegendCaption = _Legend.Caption + " ";
}
if (this.ShowLegendRange && (!(string.IsNullOrEmpty(_Legend.Title))))
{
LegendCaption += _Legend.Title;
}
if (this.ShowAreaCount)
{
LegendCaption += " (" + Convert.ToString(_Legend.ShapeCount) + ")";
}
if (_Legend.FillStyle == FillStyle.Solid)
{
BrLegend = new SolidBrush(_Legend.Color);
}
else if (_Legend.FillStyle == FillStyle.Transparent)
{
BrLegend = new SolidBrush(Color.Transparent);
}
else
{
BrLegend = new HatchBrush((HatchStyle)_Legend.FillStyle, _Legend.Color, Color.Transparent);
}
if (m_ThemeType == ThemeType.Color & ShowPointLegend == true)
{
g.FillRectangle((Brush)BrLegend, 10, LegendTitleSize.Height + (i * LegendHeight), (int)LegendWidth / 2, LegendHeight - 2);
//Half Color Box
switch (_Legend.MarkerType)
{
case MarkerStyle.Circle:
g.FillEllipse((Brush)BrLegend, 35, LegendTitleSize.Height + (i * LegendHeight) + 5, 10, 10);
//Circle
break;
case MarkerStyle.Square:
g.FillRectangle((Brush)BrLegend, 35, LegendTitleSize.Height + (i * LegendHeight) + 5, 10, 10);
//Square
break;
case MarkerStyle.Triangle:
PointF[] Vertex = new PointF[3];
//Triangle
Vertex[0] = new PointF(40, LegendTitleSize.Height + (i * LegendHeight) + 5);
Vertex[1] = new PointF(35, LegendTitleSize.Height + (i * LegendHeight) + 15);
Vertex[2] = new PointF(45, LegendTitleSize.Height + (i * LegendHeight) + 15);
g.FillPolygon((Brush)BrLegend, Vertex);
break;
case MarkerStyle.Cross:
Pen Pn = new Pen(_Legend.Color);
//Cross
g.DrawLine(Pn, 35, LegendTitleSize.Height + (i * LegendHeight) + 10, 45, LegendTitleSize.Height + (i * LegendHeight) + 10);
g.DrawLine(Pn, 40, LegendTitleSize.Height + (i * LegendHeight) + 5, 40, LegendTitleSize.Height + (i * LegendHeight) + 15);
Pn.Dispose();
break;
}
}
else
{
if (m_MultiLegend == true)
{
g.FillRectangle((Brush)BrLegend, 10 + (LegendWidth * MultiLegendIndex) + MultiLegendIndex, LegendTitleSize.Height + (i * LegendHeight) + 5, LegendWidth, LegendHeight - 2);
//Color Box
}
else
{
//If legend postion exceeds max Legend width then reset the left position and height to wrap text
if (legendSequenceOrder == LegendsSequenceOrder.SingleRow && (m_LegendMaxWidth) <= ((g.MeasureString(LegendCaption.Trim(), m_LegendBodyFont).Width) + LegendLeftPos + LegendWidth))
{
LegendLeftPos = 0;
LegendTitleSize.Height = LegendTitleSize.Height + ImageRowHeight;
}
//Color Box
if (legendSequenceOrder == LegendsSequenceOrder.SingleRow)
{
//- Starting left position of Legend's Color box
LegendLeftPos += 1; //10 di Profiles
//-show color box adjacent (right) to previous Legend
g.FillRectangle((Brush)BrLegend, LegendLeftPos, LegendTitleSize.Height + 5, LegendWidth, LegendHeight - 2);
LegendLeftPos += LegendWidth;
}
else
{
//-show color box below previous Legend
g.FillRectangle((Brush)BrLegend, 10, LegendTitleSize.Height + (i * LegendHeight) + 5, LegendWidth, LegendHeight - 2);
}
}
}
if (m_MultiLegend == true)
{
if (MultiLegendIndex == m_MultiLegendCol.Count - 1)
{
//Range Title
g.DrawString(LegendCaption.Trim(), m_LegendBodyFont, BrTitle, (LegendWidth * m_MultiLegendCol.Count) + 20, LegendTitleSize.Height + 5 + (i * LegendHeight));
}
}
else
{
//Draw Range Title string
if (legendSequenceOrder == LegendsSequenceOrder.SingleColumn)
{
g.DrawString(LegendCaption.Trim(), m_LegendBodyFont, BrTitle, LegendWidth + 20, LegendTitleSize.Height + 5 + (i * LegendHeight));
}
else
{
//- if in single row, then draw caption next to Color Box
LegendLeftPos += 1; //10 di Profiles
g.DrawString(LegendCaption.Trim(), m_LegendBodyFont, BrTitle, LegendLeftPos, LegendTitleSize.Height + 5 );
//- For next Legend, increment left position by caption width.
LegendLeftPos += (int)(g.MeasureString(LegendCaption.Trim(), m_LegendBodyFont).Width);
}
}
}
}
//if ((BrLegend != null))
// BrLegend = null;
break;
}
BrTitle.Dispose();
}
private void DrawMultiLegend(ref Graphics g, Legends _Legends, int LegendWidth, int LegendHeight)
{
bool ShowPointLegend = false;
int MultiLegendIndex = -1;
DrawMultiLegend(ref g, _Legends, LegendWidth, LegendHeight, ShowPointLegend, true, MultiLegendIndex, LegendsSequenceOrder.SingleColumn);
}
private void DrawMultiLegend(ref Graphics g, Legends _Legends, int LegendWidth, int LegendHeight, bool ShowPointLegend, bool showMissingDataInLegend)
{
int MultiLegendIndex = -1;
DrawMultiLegend(ref g, _Legends, LegendWidth, LegendHeight, ShowPointLegend, showMissingDataInLegend, MultiLegendIndex, LegendsSequenceOrder.SingleColumn);
}
private void BuildRangeColor(Color p_StartColor, Color p_EndColor, Legends _Legends)
{
int iBreaks = m_BreakCount;
int A1;
int A2;
int R1;
int R2;
int G1;
int G2;
int B1;
int B2;
int TA1;
int TR1;
int TG1;
int TB1;
float AInterval;
float RInterval;
float GInterval;
float BInterval;
int iCtr;
if ((_Legends == null))
{
iBreaks = m_BreakCount;
}
else
{
iBreaks = _Legends.Count - 1;
}
A1 = p_StartColor.A;
R1 = p_StartColor.R;
G1 = p_StartColor.G;
B1 = p_StartColor.B;
A2 = p_EndColor.A;
R2 = p_EndColor.R;
G2 = p_EndColor.G;
B2 = p_EndColor.B;
//-- get the difference between the R, G, B and divide it by number of breaks to get the interval
AInterval = Convert.ToSingle(Math.Abs((A1 - A2) / (iBreaks - 1)));
RInterval = Convert.ToSingle(Math.Abs((R1 - R2) / (iBreaks - 1)));
GInterval = Convert.ToSingle(Math.Abs((G1 - G2) / (iBreaks - 1)));
BInterval = Convert.ToSingle(Math.Abs((B1 - B2) / (iBreaks - 1)));
for (iCtr = 1; iCtr <= iBreaks; iCtr++)
{
if (iCtr == 1)
{
//-- first color
TA1 = p_StartColor.A;
TR1 = p_StartColor.R;
TG1 = p_StartColor.G;
TB1 = p_StartColor.B;
}
else if (iCtr == iBreaks)
{
//-- last color
TA1 = p_EndColor.A;
TR1 = p_EndColor.R;
TG1 = p_EndColor.G;
TB1 = p_EndColor.B;
}
else
{
if (A1 > A2)
{
TA1 = Convert.ToInt16(A1 - (AInterval * (iCtr - 1)));
}
else
{
TA1 = Convert.ToInt16(A1 + (AInterval * (iCtr - 1)));
}
if (R1 > R2)
{
TR1 = Convert.ToInt16(R1 - (RInterval * (iCtr - 1)));
}
else
{
TR1 = Convert.ToInt16(R1 + (RInterval * (iCtr - 1)));
}
if (G1 > G2)
{
TG1 = Convert.ToInt16(G1 - (GInterval * (iCtr - 1)));
}
else
{
TG1 = Convert.ToInt16(G1 + (GInterval * (iCtr - 1)));
}
if (B1 > B2)
{
TB1 = Convert.ToInt16(B1 - (BInterval * (iCtr - 1)));
}
else
{
TB1 = Convert.ToInt16(B1 + (BInterval * (iCtr - 1)));
}
}
if ((_Legends == null))
{
m_Legends[iCtr - 1].Color = Color.FromArgb(Math.Abs(TA1),Math.Abs(TR1), Math.Abs(TG1), Math.Abs(TB1));
}
else
{
_Legends[iCtr - 1].Color = Color.FromArgb(Math.Abs(TA1), Math.Abs(TR1), Math.Abs(TG1), Math.Abs(TB1));
}
}
}
