public static Point[] getArrowHead(PointF _st, PointF _ed, int size_circle)
{
Point st = Point.Round(_st);
Point ed = Point.Round(_ed);
scaleLine(ref st, ref ed, size_circle);
Point Vst_ed = ed - (Size)st; // 向量
int LengthV = Distance(new Point(0, 0), Vst_ed);
scale(ref Vst_ed, 5, 8);
if (LengthV * 5 > size_circle * 16)
{
scale(ref Vst_ed, size_circle * 16, LengthV * 5);
}
var nst = ed - (Size)Vst_ed; // new start
Point mid = ed - (Size)nst;
scale(ref mid, 5, 8);
mid = ed - (Size)mid;
scale(ref Vst_ed, 5, 8);
var perp = new Point(Vst_ed.Y, -Vst_ed.X);
scale(ref perp, 3, 8);
int LengthPerp = Geom.Distance(new Point(0, 0), perp);
LengthPerp = LengthPerp * 8 / 5;
if (LengthPerp * 8 < size_circle * 5 && LengthPerp * 5 > size_circle * 8)
{
Geom.scale(ref perp, size_circle, LengthPerp);
}
var top = mid + (Size)perp;
var button = mid - (Size)perp;
return(new Point[] { nst, top, ed, button });
}
private void drawSkill(PointF _center, Skill curr_skill, DrawStyle curr_style)
{
Point center = Point.Round(_center);
int r = size_circle;
int stx = center.X - r, sty = center.Y - r;
int d = r * 2;
Rectangle rect = new Rectangle(stx, sty, d, d);
if (curr_style.SkillEdge.IsEmpty == false)
{
Pen edgePen;
edgePen = new Pen(curr_style.SkillEdge);
edgePen.Width = lineW;
buffer.DrawEllipse(edgePen, rect);
}
if (curr_style.SkillFill.IsEmpty == false)
{
Brush fillBush = new SolidBrush(curr_style.SkillFill);
buffer.FillEllipse(fillBush, rect);
}
Brush fontbush;
fontbush = new SolidBrush(curr_style.Font);
Point fontSize = (Point)getNameSize(curr_skill.name);
Point DrawStringPoint = center;
Geom.scale(ref fontSize, 1, 2);
DrawStringPoint -= (Size)fontSize;
buffer.DrawString(curr_skill.name, font_name, fontbush, DrawStringPoint);
}
public static void scaleLine(ref Point st, ref Point ed, int size_circle)
{
Point vR = ed - (Size)st; // 从圆心到圆周的向量
int length = Geom.Distance(st, ed);
Geom.scale(ref vR, size_circle, length);
st += (Size)vR;
ed -= (Size)vR;
}
private void reName(int selectedId)
{
reNameBox.Font = font_name;
string oldName = skillList[selectedId].name;
Point sizeOfName = (Point)getNameSize(oldName);
reNameBox.Size = (Size)sizeOfName;
Geom.scale(ref sizeOfName, 1, 2);
reNameBox.Location = Point.Round(circleCenter[selectedId]) - (Size)sizeOfName;
reNameBox.Text = oldName;
reNameBox.Show();
reNameBox.Focus();
reNameBox.SelectAll();
selectedId_renameBox = selectedId;
}
private void scaleAllCenter(Point Anchor, Point before, Point after)
{
Point anc = Anchor;
int zo = Geom.Length(before - (Size)Anchor);
int zi = Geom.Length(after - (Size)Anchor);
scaleOther(zi, zo);
for (int i = 0; i < circleCenter.Count; i++)
{
circleCenter[i] = Geom.scale(circleCenter[i], zi, zo);
}
anc = Geom.scale(anc, zi, zo);
anc -= (Size)Anchor;
panAllCircle(anc);
}