7u83/OpenSeSim
1
1
Fork 0
Code Issues Pull Requests Releases 1 Wiki Activity

Initial commit of multiasset branch

Browse Source
This commit is contained in:
7u83
2018-11-30 12:27:41 +01:00
parent 45684a9d0e
commit bb18f7cf03
205 changed files with 8656 additions and 2750 deletions
Download Patch File Download Diff File Expand all files Collapse all files

239
src/opensesim/chart/painter/OHLCChartPainter.java Normal file
View File

@ -0,0 +1,239 @@
/*
* Copyright (c) 2017, 7u83 <7u83@mail.ru>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package opensesim.chart.painter;
import opensesim.old_sesim.ChartDef;
import opensesim.old_sesim.ChartPanel;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics2D;
import javax.swing.JPanel;
import javax.swing.JScrollBar;
import opensesim.old_sesim.MinMax;
import opensesim.old_sesim.OHLCData;
import opensesim.old_sesim.OHLCDataItem;
/**
*
* @author 7u83 <7u83@mail.ru>
*/
public abstract class OHLCChartPainter extends ChartPainter {
protected float iwidth;
abstract void drawItem(Graphics2D g, int prevx, int x, OHLCDataItem prev, OHLCDataItem i);
protected OHLCData data;
public void setOHLCData(OHLCData data) {
this.data = data;
}
protected OHLCData getData() {
return this.data;
/*if (dataProvider == null) {
return null;
}
return dataProvider.get();
*/
}
protected int getFirstBar(ChartPanel p) {
if (p.x_scrollbar != null) {
return p.x_scrollbar.getValue();
}
return 0;
}
protected long x2Time(ChartPanel p, ChartDef def, int x) {
// int first_bar = getFirstBar(p);
// OHLCDataItem d = data.get(first_bar);
long t = 0;
double xw = def.x_unit_width*em_size;
int fs = data.getFrameSize();
int xbar = (int)((float)x/(xw));
int xrest = (int)((float)x%(xw));
// System.out.printf("XBAR: %d %f\n",xbar,def.x_unit_width);
return xbar*fs + fs/(int)xw*xrest;
}
/**
* Get the number of bars needed to fill the ChartPanel object
* @param p ChartPanel object
* @param def ChartDef
* @return Number of bars
*/
protected int getBars(ChartPanel p, ChartDef def) {
Dimension dim = p.getSize();
return (int) (dim.width / (def.x_unit_width * em_size));
}
protected float y_scaling;
protected int y_height;
protected float y_min;
protected float y_max;
protected float getRoundNumber(float n){
int ldist = em_size*2;
int steps = y_height/ldist;
System.out.printf("Yheight: %d \n",y_height);
System.out.printf("Steps = %d, h: %d\n", steps, this.y_height);
float stepsize = (y_max - y_min) / steps;
// stepsize = 2;
// double minl10 = Math.log10(y_min);
// double maxl10 = Math.log10(y_max);
double lo = Math.ceil(Math.log10(stepsize));
double rss = Math.pow(10, lo);
double st1 = 1/rss;
double dr = Math.ceil(y_min*st1)/st1;
// double f = y_min
System.out.printf("Ste size %f %f %f %f %f\n",stepsize,lo, y_min, rss, dr);
return (float)0.0;
}
void initGetY(MinMax minmax, Dimension dim) {
y_height = dim.height;
y_scaling = dim.height / minmax.getDiff();
y_min = minmax.getMin();
y_max = minmax.getMax();
}
float getY(float y) {
//c_yscaling = ctx.rect.height / c_mm.getDiff();
// float ys = dim.height / mm.getDiff();
/* if (minmax.isLog()) {
// return rect.height + rect.y - ((float) Math.log(y) - c_mm.getMin()) * ys;
}
*/
// return (dim.height - ((y - minmax.getMin()) * y_scaling));
return (y_height - ((y - y_min) * y_scaling));
}
double getValAtY(float y) {
float val = 0;
/* if (c_mm.isLog()) {
float ys = rect.height / c_mm.getDiff();
return Math.exp((rect.height + rect.y) / ys + c_mm.getMin() - y / ys);
}
*/
return (-(y - y_height)) / y_scaling + y_min;
}
/* void initGetY(MinMax minmax, Dimension dim) {
y_height = dim.height;
y_scaling = dim.height / minmax.getDiff();
y_min = minmax.getMin();
}
*/
@Override
public void drawChart(Graphics2D g, ChartPanel p, ChartDef def) {
OHLCData data = getData();
if (data == null) {
return;
}
init(g);
iwidth = (float) ((def.x_unit_width * em_size) * 0.9f);
int first_bar = getFirstBar(p);
Dimension dim = p.getSize();
//int bars = (int) (dim.width / (def.x_unit_width * em_size));
int bars = this.getBars(p, def);
int last_bar = first_bar + bars + 1;
MinMax minmax = data.getMinMax(first_bar, last_bar);
this.initGetY(minmax, dim);
// y_scaling = dim.height / minmax.getDiff();
OHLCDataItem prevd = null;
int prevx;
if (data.size() > 0 && first_bar < data.size()) {
prevd = data.get(first_bar);
}
for (int b = first_bar, n = 0; b < last_bar && b < data.size(); b++, n++) {
OHLCDataItem d = data.get(b);
int x = (int) (n * em_size * def.x_unit_width); //em_width;
drawItem(g, (int) (x - em_size * def.x_unit_width), x, prevd, d);
prevd = d;
//this.drawCandleItem(g, (int)((n-1)*def.x_unit_width*em_size), (int)(n*def.x_unit_width*em_size), prevd, d);
}
}
}