void draw_axes_tic2(RendererViewport r, PlotAxes a, int i,
int pow10, bool oor, double x)
{
const int N = 2;
Vector2 p = new Vector2(a.get_position().x(), a.get_position().y());
PlotAxes.Axis ax = a._axes[i];
Vector2 vtic = null;
Vector2Pair _window2d_fit = r.get_window2d_fit();
if (!oor && ax._axis)
{
vtic = p;
vtic = vtic.set(i, x + p.v(i));
r.draw_point(vtic, r.get_style_color(Renderer.Style.StyleForeground),
Renderer.PointStyle.PointStyleCross);
}
if (a._frame)
{
vtic = _window2d_fit.v1;
vtic = vtic.set(i, x + p.v(i));
r.draw_point(vtic, r.get_style_color(Renderer.Style.StyleForeground),
Renderer.PointStyle.PointStyleCross);
vtic = _window2d_fit.v0;
vtic = vtic.set(i, x + p.v(i));
r.draw_point(vtic, r.get_style_color(Renderer.Style.StyleForeground),
Renderer.PointStyle.PointStyleCross);
}
// draw tic value text
if (ax._values)
{
int align0 = (int)Renderer.TextAlignMask.TextAlignCenter | (int)Renderer.TextAlignMask.TextAlignTop;
int align1 = (int)Renderer.TextAlignMask.TextAlignRight | (int)Renderer.TextAlignMask.TextAlignMiddle;
int align2 = (int)Renderer.TextAlignMask.TextAlignTop | (int)Renderer.TextAlignMask.TextAlignCenter;
string s = String.Format("{0:G3}", (x + p.v(i) - a._origin.v(i)) / Math.Pow(10.0, pow10));
switch (N)
{
case 2:
int align = i == 0
? align0
: (i == 1 ? align1 : align2);
r.draw_text(vtic, Vector2.vector2_10, s, align, 12,
r.get_style_color(Renderer.Style.StyleForeground));
break;
}
}
}
public void draw_axes_2d(RendererViewport renderer, PlotAxes a)
{
int N = 2;
Vector2 p = new Vector2(a.get_position().x(), a.get_position().y());
int pow10;
int[] max = new int[N];
int[] min = new int[N];
double[] step = new double[N];
Vector2Pair _window2d = renderer.get_window2d();
Vector2Pair _window2d_fit = renderer.get_window2d_fit();
if (a._frame)
{
draw_frame_2d(renderer);
}
for (int i = 0; i < N; i++)
{
PlotAxes.Axis ax = a._axes[i];
Range r = new Range(_window2d_fit.v0.v(i), _window2d_fit.v1.v(i));
double s = step[i] = Math.Abs(a.get_tics_step(i, r));
min[i] = MathUtils.trunc((r.first - p.v(i)) / s);
max[i] = MathUtils.trunc((r.second - p.v(i)) / s);
pow10 = ax._pow10_scale ? (int)Math.Floor(Math.Log10(s)) : 0;
string si_unit = "";
if (ax._si_prefix)
{
int u = (24 + pow10 + ax._pow10) / 3;
if (u >= 0 && u < 17)
{
si_unit = sc[u] + ax._unit;
pow10 = (u - 8) * 3 - ax._pow10;
}
}
Vector2 lp = null;
Vector2 ld = null;
switch (i)
{
case 0:
lp = new Vector2(
(_window2d.v0.x() + _window2d.v1.x()) / 2.0,
(_window2d_fit.v0.y() * .50 + _window2d.v0.y() * 1.50) / 2.0);
ld = Vector2.vector2_10;
break;
case 1:
lp = new Vector2(
(_window2d_fit.v0.x() * .50 + _window2d.v0.x() * 1.50) / 2.0,
(_window2d.v0.y() + _window2d.v1.y()) / 2.0);
ld = Vector2.vector2_01;
break;
default:
throw new InvalidOperationException("Invalid axis " + i);
}
// axis label
{
string lx = ax._label;
bool useunit = ax._unit.Length > 0;
bool usep10 = pow10 != 0;
if (si_unit.Length > 0)
{
lx += " (" + si_unit + ")";
}
else if (useunit || usep10)
{
lx += " (";
if (usep10)
{
//lx += string.format("x10^%i", pow10);
lx += string.Format("x10^{0:D}", pow10);
}
if (useunit && usep10)
{
lx += " ";
}
if (useunit)
{
lx += ax._unit;
}
lx += ")";
}
renderer.draw_text(lp, ld, lx,
(int)Renderer.TextAlignMask.TextAlignCenter | (int)Renderer.TextAlignMask.TextAlignMiddle, 12,
renderer.get_style_color(Renderer.Style.StyleForeground));
}
// skip out of range axis
bool oor = false;
for (int j = 0; j < N; j++)
{
oor |= (j != i &&
((p.v(j) <= Math.Min(_window2d_fit.v0.v(j), _window2d_fit.v1.v(j))) ||
(p.v(j) >= Math.Max(_window2d_fit.v0.v(j), _window2d_fit.v1.v(j)))));
}
// draw axis
if (!oor && ax._axis)
{
Vector2Pair seg = new Vector2Pair(p.set(i, r.first), p.set(i, r.second));
renderer.draw_segment(seg, renderer.get_style_color(Renderer.Style.StyleForeground));
}
// draw tics on axis
if (ax._tics && (ax._axis || a._frame))
{
for (int j = min[i]; j <= max[i]; j++)
{
draw_axes_tic2(renderer, a, i, pow10, oor, j * s);
}
}
}
if (a._grid)
{
// draw grid
for (int x = min[0]; x <= max[0]; x++)
{
for (int y = min[1]; y <= max[1]; y++)
{
switch (N)
{
// case 3:
// for (int z = min[2]; z <= max[2]; z++)
// renderer.draw_point (new Vector3 (p[0] + x * step[0],
// p[1] + y * step[1],
// p[2] + z * step[2]),
// renderer.get_style_color (StyleForeground));
// break;
case 2:
renderer.draw_point(
new Vector2(p.v(0) + x * step[0], p.v(1) + y * step[1]),
renderer.get_style_color(Renderer.Style.StyleForeground),
Renderer.PointStyle.PointStyleDot);
break;
}
}
}
}
}