void drawTriangle(xGraphics g, stTrendLine t)
{
uint color = t.color;
g.setColor(color);
g.drawTriangleDot(t.x[0], t.y[0], t.x[1], t.y[1], t.x[2], t.y[2]);
}
void drawAndrewsPitchFork(xGraphics g, stTrendLine t)
{
//
// -----1
// 0---
// -----2
g.setColor(t.color);
g.drawTriangleDot(t.x[0], t.y[0], t.x[1], t.y[1], t.x[2], t.y[2]);
float cX = (t.x[1] + t.x[2]) / 2;
float cY = (t.y[1] + t.y[2]) / 2;
if (cX == t.x[0])
{
cX = t.x[0] + 1;
}
// PT for center line: y = ax + b
float a = (float)(cY - t.y[0]) / (cX - t.x[0]);
float b = t.y[0] - a * t.x[0];
// find the PT 0 - top line // center line
float b1 = t.y[1] - a * t.x[1];
// find the bottom line
float b2 = t.y[2] - a * t.x[2];
int l = (int)(getW() - cX); // do dai du kien
int xx = (int)(cX + l);
int[] yy = { 0, 0, 0 };
// center point: y0 = a*x0 + b
yy[0] = (int)(a * xx + b);
yy[1] = (int)(a * xx + b1);
yy[2] = (int)(a * xx + b2);
// now draw 3 // lines
g.drawLineDot(t.x[1], t.y[1], xx, yy[1], 1);
g.drawLineDot(t.x[0], t.y[0], xx, yy[0], 1);
g.drawLineDot(t.x[2], t.y[2], xx, yy[2], 1);
}
