unsafe private void DrawElectrodes(float radius, float scale, Graphics g)
{
NodeStruct *node_ptr = this.mesher.GetFirstPlainNode();
SmoothingMode old_mode = g.SmoothingMode;
g.SmoothingMode = SmoothingMode.AntiAlias;
using (Pen p = new Pen(Color.Red, 3.0f))
for (int i = 0; i < this.mesher.GetNumberOfPlainElectrodes(); i++)
{
PlainElectrodeEdge *edges = this.mesher.GetFirstPlainElectrodeElement(i);
int count = this.mesher.GetNumberOfPlainElectrodeElements(i);
for (int j = 0; j < count; j++)
{
NodeStruct *n1 = &node_ptr[edges[j].node1];
NodeStruct *n2 = &node_ptr[edges[j].node2];
float x1 = (float)(n1->x * scale + 5);
float y1 = (float)((2 * radius - n1->y) * scale + 5);
float x2 = (float)(n2->x * scale + 5);
float y2 = (float)((2 * radius - n2->y) * scale + 5);
g.DrawLine(p, x1, y1, x2, y2);
}
}
g.SmoothingMode = old_mode;
}
unsafe private void DrawNodes(float radius, float scale, Bitmap bmp)
{
int node_count = this.mesher.GetNumberOfPlainNodes();
NodeStruct *node_ptr = this.mesher.GetFirstPlainNode();
Color c = this.cNodes.SelectedColor;
for (int i = 0; i < node_count; i++, node_ptr++)
{
float nx = (float)(node_ptr->x * scale + 5);
float ny = (float)((2 * radius - node_ptr->y) * scale + 5);
// g.FillRectangle(Brushes.DarkGreen, nx - 1, ny - 1, 3, 3);
bmp.SetPixel((int)Math.Round(nx), (int)Math.Round(ny), c);
}
}
unsafe private void DrawTriangles(float radius, float scale, Graphics g, bool draw_lines)
{
int node_count = this.mesher.GetNumberOfPlainNodes();
NodeStruct * node_ptr = this.mesher.GetFirstPlainNode();
int element_count = this.mesher.GetNumberOfPlainElements();
ElementStruct *element_ptr = this.mesher.GetFirstPlainElement();
using (Pen line_pen = new Pen(this.cLines.SelectedColor))
for (int i = 0; i < element_count; i++, element_ptr++)
{
NodeStruct *n1 = &node_ptr[element_ptr->node1];
NodeStruct *n2 = &node_ptr[element_ptr->node2];
NodeStruct *n3 = &node_ptr[element_ptr->node3];
float x1 = (float)(n1->x * scale + 5);
float y1 = (float)((2 * radius - n1->y) * scale + 5);
float x2 = (float)(n2->x * scale + 5);
float y2 = (float)((2 * radius - n2->y) * scale + 5);
float x3 = (float)(n3->x * scale + 5);
float y3 = (float)((2 * radius - n3->y) * scale + 5);
PointF[] points = new PointF[] { new PointF(x1, y1), new PointF(x2, y2), new PointF(x3, y3) };
if (draw_lines)
{
g.DrawLines(line_pen, points);
}
else
{
//Brush b = this.gray_brushes[(byte)(255 * this.mesher.NormalizeMaterial(element_ptr->material))];
double m = element_ptr->material / 80.0;
m = Math.Max(Math.Min(m, 1), 0); // normalizacja: 0=0, 80=1
Brush b = this.gray_brushes[(byte)(255 * m)];
g.FillPolygon(b, points);
}
}
}
