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);
}
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);
}