void drawFiboFan(xGraphics g, stTrendLine t)
{
uint color = t.color; // blue
g.setColor(color);
float[] percent = { 23.6f, 38.2f, 50.0f, 61.8f };//, 100f};
String[] txt = { "23.6", "38.2", "50", "61.8", "100", "161.8" };
int y = 0;
int deltaY = t.y[0] - t.y[1];
int dx = t.x[1] - t.x[0];
int dy = t.y[1] - t.y[0];
for (int i = 0; i < percent.Length; i++)
{
y = t.y[0] - (int)(deltaY * percent[i] / 100);
int x2 = t.x[1] + 2 * dx;
int dx2 = x2 - t.x[0];
dy = y - t.y[0]; // => y = dy + t.y[0]
// dx/dx2 = dy/dy2
int dy2 = 0;
if (dx != 0)
{
dy2 = dx2 * dy / dx;
y = t.y[0] + dy2;
}
g.drawLineDotHorizontal(t.x[0], t.y[0], x2, y);
g.drawString(mFont, txt[i], x2 - 30, y);
}
}
void drawFiboTime(xGraphics g, stTrendLine t)
{
uint color = t.color; // blue
g.setColor(color);
float[] percent = { 0, 23.6f, 38.2f, 50.0f, 61.8f, 100f, 161.8f };
String[] txt = { "0", "23.6", "38.2", "50", "61.8", "100", "161.8" };
int toRight = 1;
if (t.x[0] > t.x[1])
{
toRight = -1;
}
int x0 = mX + t.x[0];
int deltaX = Utils.ABS_INT((t.x[1] - t.x[0]));
int maxX = mX + getW();
// int devidedNum = 1000;
// char sz[25];
for (int i = 0; i < 7; i++)
{
int x = (int)(x0 + toRight * (percent[i] * deltaX) / 100);
if (x > maxX || x < 0)
{
continue;
}
g.setColor(color);
if (i == 5)
{
g.drawLine(x, t.y[0], x, mY + getH() - TOP_Y_FIBO_TIME);
}
else
{
g.drawLineDotHorizontal(x, t.y[0], x, mY + getH() - TOP_Y_FIBO_TIME);
}
if (i == 0 || i == 3 || i == 5 || i == 6)
{
g.setColor(C.COLOR_WHITE);
g.drawString(mFont, txt[i], x, t.y[0], 0);//xGraphics::HCENTER|xGraphics::BOTTOM);
}
}
}
void test(xGraphics g)
{
g.setColor(C.COLOR_RED);
g.drawLineDotHorizontal(10, 10, 100, 100);
g.setColor(C.COLOR_MAGENTA);
g.fillRect(30, 40, 15, 15);
g.setColor(C.COLOR_GREEN);
g.drawString(mContext.getFontText(), "This is a realtime chart", 100, 10, 0);
short[] path = { 10, 20, 35, 20, 48, 30, 35, 35 };
g.setColor(C.COLOR_BLUE);
g.fillShapes(path, 4);
g.drawLines(path, 4);
}
protected void renderCursor(xGraphics g)
{
if (!mShouldDrawCursor)
{
return;
}
Share share = getShare();
if (share == null)
{
return;
}
int sel = share.getCursor();
int x = candleToX(sel);
g.setColor(C.COLOR_GRAY);
g.drawLine(x, 0, x, getH());
// mouse title
g.setColor(C.COLOR_FADE_YELLOW);
g.drawLineDotHorizontal(0, mLastY, getW());
if (mMouseTitle != null && mLastY != 0 & mLastY != 0)
{
int y = mLastY;
x = mLastX;
if (y < 12)
{
y = mLastY + 12;
x += 6; // stay away from the mouse
}
g.setColor(0xa0000000);
int sw = Utils.getStringW(mMouseTitle, mContext.getFontSmall());
g.fillRect(x, y - 12, sw, mContext.getFontSmall().Height);
g.setColor(C.COLOR_ORANGE);
g.drawString(mContext.getFontSmall(), mMouseTitle, x, y - 12);
}
if (mShouldDrawTitle)
{
renderTitles(g, 2, 0);
}
}
public void drawGrid(xGraphics g)
{
g.setColor(C.GREY_LINE_COLOR);
int h = getH();
int w = getW();
int gH = h / 10;
int gW = w / 10;
int i = 0;
int y = gH;
int x = gW;
for (i = 0; i < 9; i++)
{
g.drawLineDotHorizontal(0, y, getW() - 40);
g.drawVerticalLine(x, 0, h);
y += gH;
x += gW;
}
}
protected void renderCandle(xGraphics g, stCell c)
{
int x, y;
x = c.x;
y = 0;
uint color;
object o = getUserData();
String code;
if (o is String)
{
code = (String)o;
}
else
{
stGainloss gainloss = (stGainloss)o;
code = gainloss.code;
}
if (code == null)
{
return;
}
stPriceboardState ps = Context.getInstance().mPriceboard.getPriceboard(code);
if (ps == null)
{
return;
}
Context ctx = Context.getInstance();
float price = ps.getCurrentPrice();
float open = ctx.mPriceboard.getOpen(ps.getID());
if (open == 0)
{
open = price;
}
float hi = ps.getMax();
float lo = ps.getMin();
// check hi/lo valid
if ((hi == 0 || lo == 0))
{
TradeHistory trade = Context.getInstance().getTradeHistory(ps.getID());
float[] hl = new float[2];
if (trade != null && trade.getHiLo(hl))
{
if (hi == 0)
{
hi = hl[0];
}
if (lo == 0)
{
lo = hl[1];
}
}
}
if (hi == lo)
{
hi = price;
}
if (hi == 0)
{
hi = open > price ? open : price;
}
if (lo == 0)
{
lo = open < price ? open : price;
}
if (lo == 0)
{
lo = hi;
}
//---------------------------------------------
float priceLen = (float)(hi - lo);
int y0 = 0;
float min = ps.getRef() - (ps.getRef() / 13); // +-7% (7*13==100)
float max = ps.getRef() + (ps.getRef() / 13);
if (ps.getMarketID() == 1)
{
min = ps.getRef() - (ps.getRef() / 19); // +-5%
max = ps.getRef() + (ps.getRef() / 19);
}
if (min > lo && lo > 0)
{
min = (float)lo;
}
if (max < hi)
{
max = (float)hi;
}
float totalPrice = (max - min); //(10%);
if (totalPrice < priceLen)
{
totalPrice = priceLen;
}
if (totalPrice == 0)
{
return;
}
float ry = (float)(getH() - 2 * y0) / totalPrice;
int totalH = (int)(ry * totalPrice);
int bodyW = c.w / 2;
//================frame=============================
// line _ref
g.setColor(0x70ffff00);
y = (int)(y0 + totalH - (ps.getRef() - min) * ry);
g.drawLineDotHorizontal(c.x + 1, y, c.w - 2);
//===================================================
if (price == 0)
{
return; // khong co giao dich
}
color = price < open ? C.COLOR_RED : C.COLOR_GREEN;
if (price == open)
{
color = C.COLOR_WHITE;
}
// draw shadow
g.setColor(C.COLOR_WHITE);
x = c.x + c.w / 2;
if (lo > 0 && hi > 0)
{
int minY = (int)(y0 + totalH - (lo - min) * ry);
int maxY = (int)(y0 + totalH - (hi - min) * ry);
g.drawLine(x, maxY, x, minY);
}
int centerX = x + bodyW / 2;
// candle's body
int oY = (int)(y0 + totalH - (open - min) * ry);
int cY = (int)(y0 + totalH - (price - min) * ry);
y = oY < cY ? oY : cY;
int bodyH = Utils.ABS_INT(cY - oY);
if (bodyH < 2)
{
bodyH = 2;
}
g.setColor(color);
g.fillRect(x - bodyW / 2, y, bodyW, bodyH);
}
public override void render(xGraphics g)
{
int mH = getH();
int mW = getW();
if (isHiding())
{
return;
}
Share share = getShare(3);
if (share == null)
{
return;
}
if (detectShareCursorChanged())
{
int rsiPeriod = GlobalData.getData().getValueInt(GlobalData.kStochRSIPeriod1, 14);
int stochPeriod = GlobalData.getData().getValueInt(GlobalData.kStochRSIPeriodStock, 14);
int smoothK = GlobalData.getData().getValueInt(GlobalData.kStockRSISmoothK, 3);
int smoothD = GlobalData.getData().getValueInt(GlobalData.kStochRSISmoothD, 3);
share.calcStochRSI(rsiPeriod, stochPeriod, smoothK, smoothD, pStochRSI, pStochRSISMA);
mChartLineXY = allocMem(mChartLineXY, mChartLineLength * 2);
pricesToYs(pStochRSI, share.mBeginIdx, mChartLineXY, mChartLineLength, -10, 110);
float[] tmp = { 0, 20, 50, 80, 100 };
pricesToYs(tmp, 0, mPricelines, 5, -10, 110);
// SMA
mChartLineXY2 = allocMem(mChartLineXY2, mChartLineLength * 2);
pricesToYs(pStochRSISMA, share.mBeginIdx, mChartLineXY2, mChartLineLength, -10, 110);
}
if (mChartLineLength == 0)
{
return;
}
//========================
if (mShouldDrawGrid)
{
drawGrid(g);
}
//===============================================
String[] ss = { "0", "20", "50", "80", "100" };
for (int i = 0; i < 5; i++)
{
if (i == 0 || i == 4 || i == 2)
{
g.setColor(C.COLOR_GRAY_DARK);
g.drawLineDotHorizontal(0, mPricelines[2 * i + 1], getW() - 44, mPricelines[2 * i + 1]);
}
else
{
g.setColor(C.COLOR_FADE_YELLOW);
g.drawLine(0, mPricelines[2 * i + 1], getW() - 44, mPricelines[2 * i + 1]);
}
g.setColor(C.COLOR_FADE_YELLOW0);
g.drawString(mFont, ss[i], getW() - 8, mPricelines[2 * i + 1], xGraphics.VCENTER | xGraphics.RIGHT);
}
// stochRSI
g.setColor(0xffff8000);
g.drawLines(mChartLineXY, mChartLineLength, 1.5f);
g.setColor(0xffb000b0);
g.drawLines(mChartLineXY2, mChartLineLength, 1.5f);
renderDrawer(g);
renderCursor(g);
}
void drawCandle(xGraphics g, int x, int y0, int w, int h)
{
Share share = mShare;
int y = 0;
Font f = mContext.getFontSmall();
uint color;
stPriceboardState ps = mContext.mPriceboard.getPriceboard(share.getID());
if (ps == null)
{
return;
}
TradeHistory trade = mContext.getTradeHistory(share.getID());
float price = ps.getCurrentPrice();
float open = price;//ps.getRef(); // should be open - testing
if (trade != null && trade.getTransactionCount() > 0)
{
open = trade.getPrice(0);
}
else
{
open = mContext.mPriceboard.getOpen(mShare.mID);
}
if (open != 0 && mContext.mPriceboard.getOpen(mShare.mID) == 0 && !share.isIndex())
{
mContext.mPriceboard.setOpen(mShare.mID, (int)open);
}
float hi = ps.getMax();
float lo = ps.getMin();
float priceLen = hi - lo;
float reference = ps.getRef();
float min = ps.getFloor() - (float)reference / 30;
float max = ps.getCe() + (float)reference / 30;
if (share.isIndex())
{
price = trade.mClose / 10.0f;
open = trade.mOpen / 10.0f;
reference = trade.mPriceRef / 10.0f;
hi = trade.mHighest / 10.0f;
lo = trade.mLowest / 10.0f;
min = reference - reference / 40;
max = reference + reference / 40;
if (min > lo)
{
min = lo;
}
if (max < hi)
{
max = hi;
}
priceLen = (int)(hi - lo);
}
if (price == 0)
{
return;
}
//if (min > ps.getMin() && ps.getMin() > 0) min = ps.getMin();
//if (max < ps.getMax()) max = ps.getMax();
float totalPrice = (max - min); //(10%);
if (totalPrice < priceLen)
{
totalPrice = priceLen;
}
if (totalPrice == 0)
{
return;
}
float ry = (float)(h) / totalPrice;
int totalH = (int)(ry * totalPrice);
int bodyW = w / 3;
StringBuilder sb = Utils.getSB();
//================frame=============================
// line ref
g.setColor(0x30ffff00);
y = (int)(y0 + totalH - (reference - min) * ry);
g.drawLineDotHorizontal(1, y, getW() - 2, y);
g.setColor(0xa0ffff00);
/*
* if (mDrawRefLabel)
* {
* sb.AppendFormat("{0:F1}", (float)reference / 10);
* g.drawString(f, sb.ToString(), 1, y - f.Height / 2, 0);
* }
*/
// CE line
if (!share.isIndex())
{
g.setColor(0x30ff00ff);
y = (int)(y0 + totalH - (ps.getCe() - min) * ry);
g.drawLineDotHorizontal(1, y, getW() - 2, y);
g.setColor(0xa0ff00ff);
sb.Length = 0;
sb.AppendFormat("{0:F1}", (float)(ps.getCe() / 10));
if (mDrawRefLabel)
{
g.drawString(f, sb.ToString(), 1, y, 0);
}
// FLOOR line
g.setColor(0x3000FFFF);
y = (int)(y0 + totalH - (ps.getFloor() - min) * ry);
g.drawLineDotHorizontal(1, y, getW() - 2, y);
g.setColor(0xa000FFFF);
sb.Length = 0;
sb.AppendFormat("{0:F1}", (float)(ps.getFloor() / 10));
if (mDrawRefLabel)
{
g.drawString(f, sb.ToString(), 1, y - f.Height, 0);
}
}
//===================================================
color = price < open? C.COLOR_RED:C.COLOR_GREEN;
if (price == open)
{
color = C.COLOR_WHITE;
}
if (price == 0)
{
return;
}
// draw shadow
g.setColor(C.COLOR_WHITE);
x = getW() / 2;
if (share.isIndex() && hi > 0 && lo > 0)
{
int minY = (int)(y0 + totalH - (lo - min) * ry);
int maxY = (int)(y0 + totalH - (hi - min) * ry);
g.drawLine(x, maxY, x, minY);
}
int centerX = x + bodyW / 2;
// candle's body
int oY = (int)(y0 + totalH - (open - min) * ry);
int cY = (int)(y0 + totalH - (price - min) * ry);
y = oY < cY?oY:cY;
int bodyH = Utils.ABS_INT(cY - oY);
if (bodyH < 2)
{
bodyH = 2;
}
g.setColor(color);
g.fillRect(x - bodyW / 2, y, bodyW, bodyH);
/*
* if (lo > 0 && lo != open && lo != price)
* {
* y = (int)(y0 + totalH - (lo - min)*ry);
* g.setColor(C.COLOR_WHITE);
* sb.Length = 0;
* sb.AppendFormat("{0:F1}", (float)lo/10);
* g.drawString(f, sb.ToString(), centerX - 44, y + 1, 0);
* }
* if (hi > 0 && hi != open && hi != price)
* {
* y = (int)(y0 + totalH - (hi - min)*ry);
* g.setColor(C.COLOR_WHITE);
* sb.Length = 0;
* sb.AppendFormat("{0:F1}", (float)hi/10);
* g.drawString(f, sb.ToString(), centerX - 44, y - f.Height, 0);
* }
* // 2 lines
* g.setColor(C.COLOR_WHITE);
* sb.Length = 0;
* sb.AppendFormat("{0:F1}", (float)open/10);
*
* // open
* if (oY < cY)
* y = oY - f.Height;
* else
* y = oY + 1;
* if (y < 0) y = 0;
* if (y + f.Height > getH())
* y = getH() - f.Height;
* g.drawString(f, sb.ToString(), x + bodyW / 2, y, 0);
* // price
* sb.Length = 0;
* sb.AppendFormat("{0:F1}", (float)price/10);
* if (cY < oY)
* y = cY - f.Height;
* else
* y = cY + 1;
* if (y < 0) y = 0;
* if (y + f.Height > getH())
* y = getH() - f.Height;
* g.drawString(f, sb.ToString(), x + bodyW / 2, y, 0);
*/
}
void drawCandle(xGraphics g, int x, int y0, int w, int h)
{
Share share = mShare;
int y = 0;
Font f = mContext.getFontSmall();
uint color;
stPriceboardState ps = mContext.mPriceboard.getPriceboard(share.getID());
if (ps == null)
{
return;
}
TradeHistory trade = mContext.getTradeHistory(share.getID());
float price = ps.getCurrentPrice();
float open = mContext.mPriceboard.getOpen(ps.getID());
if (trade != null && trade.getTransactionCount() > 0)
{
open = trade.getPrice(0);
}
else
{
open = mContext.mPriceboard.getOpen(mShare.mID);
}
if (open != 0 && mContext.mPriceboard.getOpen(mShare.mID) == 0 && !share.isIndex())
{
mContext.mPriceboard.setOpen(mShare.mID, (int)open);
}
float hi = ps.getMax();
float lo = ps.getMin();
// check hi/lo valid
if ((hi == 0 || lo == 0))
{
float[] hl = new float[2];
if (trade.getHiLo(hl))
{
if (hi == 0)
{
hi = hl[0];
}
if (lo == 0)
{
lo = hl[1];
}
}
}
if (hi == 0)
{
hi = open > price ? open : price;
}
if (lo == 0)
{
lo = open < price ? open : price;
}
if (lo == 0)
{
lo = hi;
}
//---------------------------------------------
float priceLen = hi - lo;
float reference = ps.getRef();
float min, max;
if (share.isIndex())
{
stPriceboardStateIndex pi = mContext.mPriceboard.getPriceboardIndexOfMarket(mShare.getMarketID());
price = pi.current_point;
min = lo - price / 40;
max = hi + price / 40;
}
else
{
min = ps.getFloor() - reference / 30;
max = ps.getCe() + reference / 30;
}
if (price == 0)
{
return;
}
//if (min > ps.getMin() && ps.getMin() > 0) min = ps.getMin();
//if (max < ps.getMax()) max = ps.getMax();
float totalPrice = (max - min); //(10%);
if (totalPrice < priceLen)
{
totalPrice = priceLen;
}
if (totalPrice == 0)
{
return;
}
float ry = (float)(h) / totalPrice;
int totalH = (int)(ry * totalPrice);
int bodyW = w / 3;
StringBuilder sb = Utils.getSB();
//================frame=============================
// line ref
g.setColor(0x30ffff00);
y = (int)(y0 + totalH - (reference - min) * ry);
g.drawLineDotHorizontal(1, y, getW() - 2, y);
g.setColor(0xa0ffff00);
if (mDrawRefLabel)
{
sb.AppendFormat("{0:F2}", reference);
g.drawString(f, sb.ToString(), 1, y - f.Height / 2, 0);
}
// CE line
if (!share.isIndex())
{
g.setColor(0x30ff00ff);
y = (int)(y0 + totalH - (ps.getCe() - min) * ry);
g.drawLineDotHorizontal(1, y, getW() - 2, y);
g.setColor(0xa0ff00ff);
sb.Length = 0;
sb.AppendFormat("{0:F2}", ps.getCe());
if (mDrawRefLabel)
{
g.drawString(f, sb.ToString(), 1, y, 0);
}
// FLOOR line
g.setColor(0x3000FFFF);
y = (int)(y0 + totalH - (ps.getFloor() - min) * ry);
g.drawLineDotHorizontal(1, y, getW() - 2, y);
g.setColor(0xa000FFFF);
sb.Length = 0;
sb.AppendFormat("{0:F2}", ps.getFloor());
if (mDrawRefLabel)
{
g.drawString(f, sb.ToString(), 1, y - f.Height, 0);
}
}
//===================================================
color = price < open? C.COLOR_RED:C.COLOR_GREEN;
if (price == open)
{
color = C.COLOR_WHITE;
}
if (price == 0)
{
return;
}
// draw shadow
g.setColor(C.COLOR_WHITE);
x = getW() / 2;
if (hi > 0 && lo > 0)
{
int minY = (int)(y0 + totalH - (lo - min) * ry);
int maxY = (int)(y0 + totalH - (hi - min) * ry);
g.drawLine(x, maxY, x, minY);
}
int centerX = x;
// candle's body
int oY = (int)(y0 + totalH - (open - min) * ry);
int cY = (int)(y0 + totalH - (price - min) * ry);
y = oY < cY?oY:cY;
int bodyH = Utils.ABS_INT(cY - oY);
if (bodyH < 2)
{
bodyH = 2;
}
g.setColor(color);
g.fillRect(x - bodyW / 2, y, bodyW, bodyH);
if (lo > 0 && lo != open && lo != price)
{
y = (int)(y0 + totalH - (lo - min) * ry);
g.setColor(C.COLOR_YELLOW);
sb.Length = 0;
sb.AppendFormat("{0:F2}", lo);
g.drawString(f, sb.ToString(), centerX - 10, y + 1, 0);
}
if (hi > 0 && hi != open && hi != price)
{
y = (int)(y0 + totalH - (hi - min) * ry);
g.setColor(C.COLOR_YELLOW);
sb.Length = 0;
sb.AppendFormat("{0:F2}", hi);
g.drawString(f, sb.ToString(), centerX - 10, y - f.Height, 0);
}
// 2 lines
g.setColor(C.COLOR_WHITE);
sb.Length = 0;
sb.AppendFormat("{0:F2}", open);
// open
if (oY < cY)
{
y = oY - f.Height;
}
else
{
y = oY + 1;
}
if (y < 0)
{
y = 0;
}
if (y + f.Height > getH())
{
y = getH() - f.Height;
}
g.drawString(f, sb.ToString(), x + bodyW / 2, y, 0);
// price
sb.Length = 0;
sb.AppendFormat("{0:F2}", price);
if (cY < oY)
{
y = cY - f.Height;
}
else
{
y = cY + 1;
}
if (y < 0)
{
y = 0;
}
if (y + f.Height > getH())
{
y = getH() - f.Height;
}
g.drawString(f, sb.ToString(), x + bodyW / 2, y, 0);
}
public void drawFiboProjection(xGraphics g, stTrendLine t)
{
uint color = t.color;// Constants.COLOR_FIBO_DOT_LINE2; // blue
g.setColor(color);
float[] percent = { 0f, 23.6f, 38.2f, 50.0f, 61.8f, 100f, 161.8f };
String[] txt = { "0", "23.6", "38.2", "50.0", "61.8", "100", "161.8" };
int minX = t.x[0] < t.x[1] ? t.x[0] : t.x[1];
minX = minX < t.x[2] ? minX : t.x[2];
int maxX = t.x[0] > t.x[1] ? t.x[0] : t.x[1] + 30;
maxX = mX + getW() - 35;
int maxY = mY + getH() - 20;
int deltaY = t.y[1] - t.y[0];
if (deltaY < 0)
{
deltaY = -deltaY;
}
int up = 1;
int y0 = t.y[2];
if (t.x[0] < t.x[1] && t.y[0] < t.y[1])
{
up = 1;
}
if (t.x[0] < t.x[1] && t.y[0] > t.y[1])
{
up = -1;
}
if (t.x[0] > t.x[1] && t.y[0] > t.y[1])
{
up = 1;
}
if (t.x[0] > t.x[1] && t.y[0] < t.y[1])
{
up = -1;
}
String s;
for (int i = 0; i < 7; i++)
{
int y = (int)(y0 + up * (percent[i] * deltaY) / 100);
if (y > maxY || y < 0)
{
continue;
}
g.setColor(color);
if (i == 5)
{
g.drawLine(minX - 30, y, maxX + 30, y);
}
else
{
g.drawLineDotHorizontal(minX - 30, y, maxX + 30, y);
}
//=====================
if (i == 0 || i == 3 || i == 5)
{
s = Utils.formatDecimalNumber((int)mChart.yToPrice(y), 10, 1);
g.setColor(C.COLOR_WHITE);
g.drawString(mFont, s, maxX, y, xGraphics.VCENTER | xGraphics.TOP);
g.drawString(mFont, txt[i], minX - 30, y, xGraphics.VCENTER | xGraphics.TOP);
}
}
}
