/// <summary>
/// 绘制坐标轴
/// </summary>
/// <param name="m">margin</param>
/// <param name="w">宽度</param>
/// <param name="h">高度</param>
private void DrawAxis(double m, double w, double h)
{
// 绘制坐标轴和标签
CanvasDrawing.DrawLine(this.DrawCurveCanvas, m, m, w - m, m);
CanvasDrawing.DrawLine(this.DrawCurveCanvas, m, h - m, w - m, h - m);
CanvasDrawing.DrawLine(this.DrawCurveCanvas, m, m, m, h - m);
CanvasDrawing.DrawLine(this.DrawCurveCanvas, w - m, m, w - m, h - m);
// 绘制纵坐标和横向网格线
for (int i = 0; i < 11; i++)
{
CanvasDrawing.DrawText(this.DrawCurveCanvas, w - m + 3, (h - 2 * m) / 10 * i, (100 - i * 10).ToString(), 11, Brushes.Black, false, false, false);
CanvasDrawing.DrawText(this.DrawCurveCanvas, w - m + 3, (h - 2 * m) / 10 * i, (i * 10).ToString());
CanvasDrawing.DrawLine(this.DrawCurveCanvas, m, m + (h - 2 * m) / 10 * i, w - m, m + (h - 2 * m) / 10 * i);
}
// 绘制横坐标和纵向网格线
double uniteLen = (w - 2 * m) / 5;
double[] dScale = new double[9] {
0, 0.05, 0.1, 0.16, 0.22, 0.30, 0.4, 0.52, 0.7
};
double[] lenNumber = new double[14] {
100, 60, 40, 20, 10, 5, 2, 1, 0.5, 0.2, 0.1, 0.05, 0.01, 0.005
};
int k = 0;
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 9; j++)
{
double X = m + uniteLen * dScale[j] + uniteLen * i;
if (j != 9 && !(i == 0 && j == 0))
{
CanvasDrawing.DrawLine(this.DrawCurveCanvas, X, m, X, h - m);
}
if ((i == 0) && (j == 0 || j == 4 || j == 6 || j == 8))
{
CanvasDrawing.DrawText(this.DrawCurveCanvas, X - 5, h - m, lenNumber[k].ToString());
k++;
}
else if ((i == 1 || i == 2) && (j == 0 || j == 5 || j == 8))
{
CanvasDrawing.DrawText(this.DrawCurveCanvas, X - 5, h - m, lenNumber[k].ToString());
k++;
}
else if ((i == 3 || i == 4) && (j == 0 || j == 5))
{
CanvasDrawing.DrawText(this.DrawCurveCanvas, X - 5, h - m, lenNumber[k].ToString());
k++;
}
}
}
}
/// <summary>
/// 绘制曲线
/// </summary>
/// <param name="m">margin</param>
/// <param name="w">宽度</param>
/// <param name="h">高度</param>
private void DrawCurve(double m, double w, double h)
{
if (statisticList.Count == 0)
{
return;
}
double uniteLen = (w - 2 * m) / 5;
double[] dScale = new double[9] {
0, 0.05, 0.1, 0.16, 0.22, 0.30, 0.4, 0.52, 0.7
};
double x1 = m;
double x2 = m + uniteLen * dScale[8] + uniteLen * 0;
double x3 = m + uniteLen * dScale[8] + uniteLen * 1;
double x4 = m + uniteLen * dScale[5] + uniteLen * 2;
double x5 = m + (uniteLen * dScale[7] + uniteLen * dScale[8]) / 2 + uniteLen * 2;
double x6 = m + (uniteLen * dScale[1] + uniteLen * dScale[2]) / 2 + uniteLen * 3;
double x7 = w - m;
double uniteHei = (h - 2 * m) / 100;
double y1 = m;
double y2 = m + (100 - statisticList[0].GroupLessThan20) * uniteHei;
double y3 = m + (100 - statisticList[0].GroupLessThan2) * uniteHei;
double y4 = m + (100 - statisticList[0].GroupLessThan0_5) * uniteHei;
double y5 = m + (100 - statisticList[0].GroupLessThan0_25) * uniteHei;
double y6 = m + (100 - statisticList[0].GroupLessThan0_075) * uniteHei;
double y7 = h - m;
double[,] axis = new double[2, 7] {
{ x1, x2, x3, x4, x5, x6, x7 }, { y1, y2, y3, y4, y5, y6, y7 }
};
for (int i = 0; i < 7; i++)
{
CanvasDrawing.DrawCircle(this.DrawCurveCanvas, axis[0, i], axis[1, i], 2, true, 1, Brushes.DarkRed);
if (i != 6)
{
CanvasDrawing.DrawLine(this.DrawCurveCanvas, axis[0, i], axis[1, i], axis[0, i + 1], axis[1, i + 1], 1, Brushes.Red);
}
}
}