internal virtual void paint(javax.microedition.lcdui.Graphics g)
{
int old = g.Color;
g.Color = color;
if (marker == ' ')
{
for (int i = 0; i < x.Length - 1; i++)
{
g.drawLine(outerInstance.getScreenX(x[i]), outerInstance.getScreenY(y[i]), outerInstance.getScreenX(x[i + 1]), outerInstance.getScreenY(y[i + 1]));
}
}
else
{
for (int i = 0; i < x.Length - 1; i++)
{
drawSymbol(g, outerInstance.getScreenX(x[i]), outerInstance.getScreenY(y[i]), marker);
}
}
if (eu != null)
{
for (int i = 0; i < x.Length - 1; i++)
{
g.drawLine(outerInstance.getScreenX(x[i]), outerInstance.getScreenY(y[i] - el[i]), outerInstance.getScreenX(x[i]), outerInstance.getScreenY(y[i] + eu[i]));
g.drawLine(outerInstance.getScreenX(x[i]) - 3, outerInstance.getScreenY(y[i] - el[i]), outerInstance.getScreenX(x[i]) + 3, outerInstance.getScreenY(y[i] - el[i]));
g.drawLine(outerInstance.getScreenX(x[i]) - 3, outerInstance.getScreenY(y[i] + eu[i]), outerInstance.getScreenX(x[i]) + 3, outerInstance.getScreenY(y[i] + eu[i]));
}
}
g.Color = old;
}
public virtual void drawCross(Point point, int color)
{
Image bufImage = Image.createImage(image.getWidth(), image.getHeight());
Graphics g = bufImage.getGraphics();
g.drawImage(image, 0, 0, 0);
g.setColor(color);
g.drawLine(point.getX() - 5, point.getY(), point.getX() + 5, point.getY());
g.drawLine(point.getX(), point.getY() - 5, point.getX(), point.getY() + 5);
image = bufImage;
repaint();
}
public virtual void drawPolygon(Point[] points, int color)
{
Image bufImage = Image.createImage(image.getWidth(), image.getHeight());
Graphics g = bufImage.getGraphics();
g.drawImage(image, 0, 0, 0);
g.setColor(color);
int i = 0;
for (; i < points.length - 1; i++)
{
g.drawLine(points[i].getX(), points[i].getY(), points[i + 1].getX(), points[i + 1].getY());
}
g.drawLine(points[i].getX(), points[i].getY(), points[0].getX(), points[0].getY());
image = bufImage;
repaint();
}
public virtual void drawLine(Line line, int color)
{
Image bufImage = Image.createImage(image.getWidth(), image.getHeight());
Graphics g = bufImage.getGraphics();
g.drawImage(image, 0, 0, 0);
g.setColor(color);
g.drawLine(line.getP1().getX(), line.getP1().getY(), line.getP2().getX(), line.getP2().getY());
image = bufImage;
repaint();
}
public virtual void drawLines(Line[] lines, int color)
{
Image bufImage = Image.createImage(image.getWidth(), image.getHeight());
Graphics g = bufImage.getGraphics();
g.drawImage(image, 0, 0, 0);
g.setColor(color);
for (int i = 0; i < lines.length - 1; i++)
{
g.drawLine(lines[i].getP1().getX(), lines[i].getP1().getY(), lines[i].getP2().getX(), lines[i].getP2().getY());
}
image = bufImage;
repaint();
}
public virtual void drawMatrix(bool[][] matrix)
{
Image bufImage = Image.createImage(image.getWidth(), image.getHeight());
Graphics g = bufImage.getGraphics();
g.setColor(0xCCCCCC);
for (int y = 0; y < matrix[0].Length; y++)
{
for (int x = 0; x < matrix.Length; x++)
{
if (matrix[x][y] == true)
{
g.drawLine(x, y, x + 1, y);
}
}
}
image = bufImage;
repaint();
}
internal virtual void drawAxis(javax.microedition.lcdui.Graphics g)
{
g.Color = BLACK;
int x2 = width - xright, y2 = height - ybottom;
g.drawLine(xleft, ytop, x2, ytop);
g.drawLine(xleft, ytop, xleft, y2);
g.drawLine(x2, ytop, x2, y2);
g.drawLine(xleft, y2, x2, y2);
if (minx < 0 && 0 < maxx)
{
g.StrokeStyle = g.DOTTED;
g.drawLine(getScreenX(0.0), getScreenY(miny), getScreenX(0.0), getScreenY(maxy));
g.StrokeStyle = g.SOLID;
}
if (miny < 0 && 0 < maxy)
{
g.StrokeStyle = g.DOTTED;
g.drawLine(getScreenX(minx), getScreenY(0.0), getScreenX(maxx), getScreenY(0.0));
g.StrokeStyle = g.SOLID;
}
drawOrnaments(g);
}
internal virtual void drawOrnaments(javax.microedition.lcdui.Graphics g)
{
int lenMajor = height / 40, i;
double x = 0, y = 0;
int axis_w = width - xleft - xright;
int axis_h = height - ytop - ybottom;
string label;
int lenlabel = g.Font.stringWidth(" 00.00 ");
int maxnumtics = axis_w / lenlabel;
double dX = (maxx - minx) / ntx;
double startx = minx;
while ((maxx - minx) / dX > maxnumtics)
{
dX *= 2;
startx = (int)(startx / dX + 0.5) * dX;
if ((maxx - minx) / dX > maxnumtics)
{
dX *= 2.5;
startx = (int)(startx / dX + 0.5) * dX;
}
}
if (plotmode == LOGLIN || plotmode == LOGLOG)
{
while (Math.Abs((startx / dX) - JMath.round(startx / dX)) > 0.01)
{
startx += dX;
}
if (dX < 1.0)
{
dX = 1.0;
}
else if (dX == 2.5)
{
dX = 2.0;
}
startx = dX * JMath.floor(startx / dX);
}
int exponent = Math.Max(decExp(maxx), decExp(minx)) - 1;
if (Math.Abs(exponent) < 2)
{
exponent = 0;
}
double scf = JMath.pow(10.0, (double)exponent);
for (i = 0, x = startx; x <= maxx; i++, x += dX)
{
int xworld = getScreenX(x);
if (xworld < xleft)
{
continue;
}
g.drawLine(xworld, ytop, xworld, ytop + lenMajor);
g.drawLine(xworld, height - ybottom - lenMajor, xworld, height - ybottom);
if ((plotmode == LOGLIN || plotmode == LOGLOG) && (dX < 1.5))
{
for (int k = 2; k <= 9; k++)
{
int xk = getScreenX(x + JMath.log((double)k) / JMath.log(10.0));
if (xk > xleft && xk < xleft + width)
{
g.drawLine(xk, ytop, xk, ytop + lenMajor / 2);
g.drawLine(xk, height - ybottom - lenMajor / 2, xk, height - ybottom);
}
}
}
if (plotmode == LOGLIN || plotmode == LOGLOG)
{
label = "10^";
}
else
{
label = "";
}
if (x + dX > maxx && exponent != 0)
{
label = "E" + exponent;
}
else
{
label += fmt.ToString(x / scf);
}
centerText(g, label, height - ybottom + 1.5 * g.Font.Height, xworld);
}
if (Xlabel_Renamed != null)
{
centerText(g, Xlabel_Renamed, height - ybottom + 3 * g.Font.Height, xleft + (width - xleft - xright) / 2);
}
if (Tlabel_Renamed != null)
{
centerText(g, Tlabel_Renamed, ytop - g.Font.Height / 2, xleft + (width - xleft - xright) / 2);
}
if (Ylabel_Renamed != null)
{
centerTextV(g, Ylabel_Renamed, g.Font.Height, ytop + (height - ytop - ybottom) / 2);
}
int hilabel = g.Font.Height;
maxnumtics = (int)((axis_h) / (1.5 * hilabel));
double dY = (maxy - miny) / nty;
double starty = miny;
while ((maxy - miny) / dY > maxnumtics)
{
dY *= 2;
starty = (int)(starty / dY + 0.5) * dY;
if ((maxy - miny) / dY > maxnumtics)
{
dY *= 2.5;
starty = (int)(starty / dY + 0.5) * dY;
}
}
if (plotmode == LINLOG || plotmode == LOGLOG)
{
if (dY < 1.0)
{
dY = 1.0;
}
else if (dY == 2.5)
{
dY = 2.0;
}
starty = dY * JMath.floor(starty / dY);
}
exponent = Math.Max(decExp(maxy), decExp(miny)) - 1;
if (Math.Abs(exponent) < 2)
{
exponent = 0;
}
scf = JMath.pow(10.0, (double)exponent);
for (i = 0, y = starty; y <= maxy; i++, y += dY)
{
int yworld = getScreenY(y);
if (yworld > height - ybottom)
{
continue;
}
g.drawLine(xleft, yworld, xleft + lenMajor, yworld);
g.drawLine(xleft + axis_w, yworld, xleft + axis_w - lenMajor, yworld);
if ((plotmode == LINLOG || plotmode == LOGLOG) && dY < 1.5)
{
for (int k = 2; k <= 9; k++)
{
int yk = getScreenY(y + JMath.log((double)k) / JMath.log(10.0));
if (yk > ytop && yk < ytop + height)
{
g.drawLine(xleft, yk, xleft + lenMajor / 2, yk);
g.drawLine(xleft + axis_w, yk, xleft + axis_w - lenMajor / 2, yk);
}
}
}
if (plotmode == LINLOG || plotmode == LOGLOG)
{
label = "10^";
}
else
{
label = "";
}
if (y + dY > maxy && exponent != 0)
{
label = "E" + exponent;
}
else
{
label += fmt.ToString(y / scf);
}
g.drawString(label, xleft - g.Font.stringWidth(label) - 3, yworld + hilabel / 2 - 3, g.BOTTOM | g.LEFT);
}
}
internal virtual void drawSymbol(javax.microedition.lcdui.Graphics g, int x, int y, char marker)
{
switch (marker)
{
case '+':
g.drawLine(x, y - 3, x, y + 3);
g.drawLine(x - 3, y, x + 3, y);
break;
case 'o':
g.drawLine(x - 1, y - 3, x + 1, y - 3);
g.drawLine(x + 1, y - 3, x + 3, y - 1);
g.drawLine(x + 3, y - 1, x + 3, y + 1);
g.drawLine(x + 3, y + 1, x + 1, y + 3);
g.drawLine(x + 1, y + 3, x - 1, y + 3);
g.drawLine(x - 1, y + 3, x - 3, y + 1);
g.drawLine(x - 3, y + 1, x - 3, y - 1);
g.drawLine(x - 3, y - 1, x - 1, y - 3);
break;
case 'x':
g.drawLine(x - 3, y - 3, x + 3, y + 3);
g.drawLine(x + 3, y - 3, x - 3, y + 3);
break;
case '*':
default:
g.drawLine(x, y - 3, x, y + 3);
g.drawLine(x - 3, y, x + 3, y);
g.drawLine(x - 2, y - 2, x + 2, y + 2);
g.drawLine(x + 2, y - 2, x - 2, y + 2);
break;
}
}
internal virtual void drawStraightLine(javax.microedition.lcdui.Graphics g)
{
double xl = minx;
double yl = a1 * xl + a0;
if (yl > maxy)
{
yl = maxy;
xl = (yl - a0) / a1;
}
else if (yl < miny)
{
yl = miny;
xl = (yl - a0) / a1;
}
double xr = maxx;
double yr = a1 * xr + a0;
if (yr > maxy)
{
yr = maxy;
xr = (yr - a0) / a1;
}
else if (yr < miny)
{
yr = miny;
xr = (yr - a0) / a1;
}
if (xp >= 0 && pointerMode == PMODE_LINE)
{
double xm = getXCoordinate(xp);
double ym = getYCoordinate(yp);
int Xr = getScreenX(xr), Yr = getScreenY(yr), Xl = getScreenX(xl), Yl = getScreenY(yl);
if ((xp - Xr) * (xp - Xr) + (yp - Yr) * (yp - Yr) < (xp - Xl) * (xp - Xl) + (yp - Yl) * (yp - Yl))
{
a1 = (ym - yl) / (xm - xl);
a0 = yl - a1 * xl;
xr = maxx;
yr = a1 * xr + a0;
if (yr > maxy)
{
yr = maxy;
xr = (yr - a0) / a1;
}
else if (yr < miny)
{
yr = miny;
xr = (yr - a0) / a1;
}
}
else
{
a1 = (yr - ym) / (xr - xm);
a0 = yr - a1 * xr;
xl = minx;
yl = a1 * xl + a0;
if (yl > maxy)
{
yl = maxy;
xl = (yl - a0) / a1;
}
else if (yl < miny)
{
yl = miny;
xl = (yl - a0) / a1;
}
}
}
g.Color = GREEN;
g.drawLine(getScreenX(xl), getScreenY(yl), getScreenX(xr), getScreenY(yr));
g.Color = BLACK;
if (pointerMode == PMODE_LINE)
{
drawMessage(g, xp, yp, new string[] { "a1=" + fmt.ToString(a1), "a0=" + fmt.ToString(a0) });
}
}