/// <summary>
/// 绘图。
/// </summary>
/// <param name="table"></param>
/// <returns></returns>
public Bitmap Draw(TwoNumeralKeyAndValueDictionary table, NumerialSegment valSpanForColor = null)
{
this.TableValue = table;
if (table == null || table.Count == 0)
{
return(null);
}
if (ChartSize.Width == 0 || ChartSize.Height == 0)
{
return(null);
}
this.InputToContentCoordConverter = new PlainCoordConverter(table.KeySize, this.ContentSize, table.LeftDown);
this.ColorBuilder = new ThreeStepColorBuilder(valSpanForColor ?? table.ValueSpan, Color.Blue, Color.Cyan, Color.Yellow, Color.Red);
Bitmap bmp = new Bitmap(ChartSize.Width, ChartSize.Height);;
Graphics g = Graphics.FromImage(bmp);
g.Clear(Color.White);
this.ChartGraphics = new Geo.Draw.UserChartGraphics(UserToScreenCoordConverter, g);
DrawColorTable(table);
DrawContentBoxBorder();
DrawYLabels();
DrawXLables();
DrawLegendColorBar();
return(bmp);
}
/// <summary>
/// 二维色彩绘图
/// </summary>
/// <param name="table"></param>
/// <param name="ValSpanForColor"></param>
public TwoDimColorChartForm(TwoNumeralKeyAndValueDictionary table, NumerialSegment ValSpanForColor = null)
{
InitializeComponent();
this.table = table;
Draw(table, ValSpanForColor);
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="Span"></param>
/// <param name="ColorFrom"></param>
/// <param name="ColorTo"></param>
public TwoStepColorBuilder(NumerialSegment Span, Color ColorFrom, Color ColorMiddle, Color ColorTo)
{
MidleValue = Span.Median;
var segA = new NumerialSegment(Span.Start, MidleValue);
var segB = new NumerialSegment(MidleValue, Span.End);
ColorBuilderA = new ColorBuilder(segA, ColorFrom, ColorMiddle);
ColorBuilderB = new ColorBuilder(segB, ColorMiddle, ColorTo);
}
internal void Draw(TwoNumeralKeyAndValueDictionary table, NumerialSegment ValSpanForColor = null)
{
this.TwoNumeralKeyAndValueDictionary = table;
this.ValSpanForColor = ValSpanForColor;
this.ColorChartDrawer.Init(this.pictureBox1.Size);
if (TwoNumeralKeyAndValueDictionary != null)
{
this.pictureBox1.Image = this.ColorChartDrawer.Draw(TwoNumeralKeyAndValueDictionary, ValSpanForColor);
}
}
/// <summary>
/// 获取格网遍历器
/// </summary>
/// <returns></returns>
public GeoGridLooper GetGridLooper()
{
NumerialSegment LonSpan = LonSpanControl.GetValue();
NumerialSegment LatSpan = LatSpanControl.GetValue();
double LonStep = this.LonStepControl.Value / 60.0;
double LatStep = this.LatStepControl.Value / 60.0;
bool isLonDesc = this.checkBox_lonOrder.Checked;
bool isLatDesc = this.checkBox_latOrder.Checked;
bool isLatFirst = this.checkBox_latFirst.Checked;
return(new GeoGridLooper(LonSpan, LonStep, LatSpan, LatStep, isLonDesc, isLatDesc, isLatFirst));
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="Span"></param>
/// <param name="ColorFrom"></param>
/// <param name="ColorTo"></param>
public ThreeStepColorBuilder(NumerialSegment Span, Color ColorFrom, Color ColorMiddle, Color ColorMiddleB, Color ColorTo)
{
var smallSpan = Span.Span / 3.0;
FistStep = Span.Start + smallSpan;
SecondStep = Span.Start + smallSpan * 2;
var segA = new NumerialSegment(Span.Start, Span.Start + smallSpan);
var segB = new NumerialSegment(Span.Start + smallSpan, Span.Start + smallSpan * 2);
var segC = new NumerialSegment(Span.Start + smallSpan * 2, Span.End);
ColorBuilderA = new ColorBuilder(segA, ColorFrom, ColorMiddle);
ColorBuilderB = new ColorBuilder(segB, ColorMiddle, ColorMiddleB);
ColorBuilderC = new ColorBuilder(segC, ColorMiddleB, ColorTo);
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="Span"></param>
/// <param name="ColorFrom"></param>
/// <param name="ColorTo"></param>
public ColorBuilder(NumerialSegment Span, Color ColorFrom, Color ColorTo)
{
this.ColorFrom = ColorFrom;
this.ColorTo = ColorTo;
int argbFrom = ColorFrom.ToArgb();
int argbTo = ColorTo.ToArgb();
this.Span = Span;
this.Alfa = 255;
this.RedFrom = argbFrom >> 16 & 0XFF;
this.GreenFrom = argbFrom >> 8 & 0XFF;
this.BlueFrom = argbFrom & 0XFF;
int redTo = argbTo >> 16 & 0XFF;
int greenTo = argbTo >> 8 & 0XFF;
int blueTo = argbTo & 0XFF;
RedIngredient = (redTo - RedFrom) / this.Span.Span;
BlueIngredient = (blueTo - BlueFrom) / this.Span.Span;
GreenIngredient = (greenTo - GreenFrom) / this.Span.Span;
}
/// <summary>
/// 设置值
/// </summary>
/// <param name="enabledVal"></param>
public void SetValue(NumerialSegment enabledVal)
{
this.textBox_from.Text = enabledVal.Start + "";
this.textBox_to.Text = enabledVal.End + "";
}
/// <summary>
/// 线性坐标转换器
/// </summary>
/// <param name="fromScale"></param>
/// <param name="toScale"></param>
public LineCoordConverter(NumerialSegment fromScale, double toScale)
{
this.OldStartValue = fromScale.Start;;
this.Factor = toScale / fromScale.Span;
}
/// <summary>
/// 绘图
/// </summary>
/// <param name="table"></param>
/// <param name="ValSpanForColor"></param>
public void Draw(TwoNumeralKeyAndValueDictionary table, NumerialSegment ValSpanForColor = null)
{
this.chartControl1.Draw(table, ValSpanForColor);
}
