//高亮节点绘制函数
public void DrawHighLightNode(int iNum, ref Graphics GraCam)
{
Image img;
PaintParameter curNodePara;
Point potStart;
dNode curNode = curNetwork.Network[iNum];
//计算网络绘制参数
curNodePara = new PaintParameter(iNum, curNode.Degree, curNetwork.MaxDeg, curNetwork.MinDeg);
//获取绘制完成的图片
img = this.DrawNode(curNodePara, true);
//在图元对应位置绘制图片
GraCam.DrawImage(img, new Point(curNode.Location.X - img.Width / 2, curNode.Location.Y - img.Height / 2));
//计算编号绘制起点
potStart = new Point(curNode.Location.X - curNode.Offset.X, curNode.Location.Y - curNode.Offset.Y);
//绘制节点编号
this.DrawString(iNum.ToString(), potStart, ref GraCam, true);
}
//刷新网络图片列表
void IfPaintStrategy.UpdateImage()
{
PaintParameter curNodePara;
Image IRet;
int index;
//计算每个节点的绘制参数
foreach (dNode curNode in curNetwork.Network)
{
curNodePara = new PaintParameter(curNode.Number, curNode.ComCount, curNetwork.MaxDeg, curNetwork.MinDeg);
curNode.Offset = new Point(curNodePara.x, curNodePara.y);
}
//绘制每个通信度所属的图片
foreach (KeyValuePair<int, int> img in curNetwork.DegreeList)
{
curNodePara = new PaintParameter(img.Key, img.Key, curNetwork.MaxDeg, curNetwork.MinDeg);
IRet = this.DrawNode(curNodePara, false);
index = img.Key;
curNetwork.SharedImages.Remove(index);
curNetwork.SharedImages.Add(index, IRet);
}
}
//刷新网络图片列表
void IfPaintStrategy.UpdateImage()
{
PaintParameter curNodePara;
Image IRet;
int index;
//计算每个节点的绘制参数
foreach (dNode curNode in curNetwork.Network)
{
curNodePara = new PaintParameter(curNode.Number, curNode.Degree, curNetwork.MaxDeg, curNetwork.MinDeg);
curNode.Offset = new Point(curNodePara.x, curNodePara.y);
}
//绘制每个度所属的图片
foreach (KeyValuePair <int, int> img in curNetwork.DegreeList)
{
curNodePara = new PaintParameter(img.Key, img.Key, curNetwork.MaxDeg, curNetwork.MinDeg);
IRet = this.DrawNode(curNodePara, false);
index = img.Key;
curNetwork.SharedImages.Remove(index);
curNetwork.SharedImages.Add(index, IRet);
}
}
//绘制网络节点，输入绘制参数和是否高亮
Image DrawNode(PaintParameter curNodePara, Boolean isHL)
{
Pen frame; //显示变量 边框画笔
Image img; //返回Image
Graphics gGraphic; //绘制目标图元
GraphicsPath path; //路径图形
PathGradientBrush pthGrBrush; //路径画笔
int intRand; //半径
intRand = curNodePara.intRand;
//新建位图，存放节点图像
img = new Bitmap(intRand * 2 + 1, intRand * 2 + 1);
gGraphic = Graphics.FromImage(img);
gGraphic.SmoothingMode = NetStyle.SmoothMode;//平滑处理
//立体效果绘制
path = new GraphicsPath();
path.AddEllipse(0, 0, intRand * 2, intRand * 2);
pthGrBrush = new PathGradientBrush(path);
pthGrBrush.CenterColor = Color.FromArgb(255, 255, 255, 255);
pthGrBrush.CenterPoint = new Point(Convert.ToInt32(2 * intRand * 0.618), Convert.ToInt32(intRand * 0.618));
if (isHL == true)
{//高亮节点使用高亮背景色和边框
frame = new Pen(NetStyle.HLFrameColor);
pthGrBrush.SurroundColors = new Color[] { NetStyle.HLBackColor };
}
else
{//普通节点使用普通背景色和边框
frame = new Pen(NetStyle.FrameColor);
pthGrBrush.SurroundColors = new Color[] { NetStyle.BackColor };
}
//填充圆形
gGraphic.FillEllipse(pthGrBrush, 0, 0, intRand * 2, intRand * 2);
//外围边框绘制
gGraphic.DrawEllipse(frame, 0, 0, 2 * intRand, 2 * intRand);
return img;
}
//绘制网络节点，输入绘制参数和是否高亮
Image DrawNode(PaintParameter curNodePara, Boolean isHL)
{
Pen frame; //显示变量 边框画笔
Image img; //返回Image
Graphics gGraphic; //绘制目标图元
GraphicsPath path; //路径图形
PathGradientBrush pthGrBrush; //路径画笔
int intRand; //半径
intRand = curNodePara.intRand;
//新建位图，存放节点图像
img = new Bitmap(intRand * 2 + 1, intRand * 2 + 1);
gGraphic = Graphics.FromImage(img);
gGraphic.SmoothingMode = NetStyle.SmoothMode;//平滑处理
//立体效果绘制
path = new GraphicsPath();
path.AddEllipse(0, 0, intRand * 2, intRand * 2);
pthGrBrush = new PathGradientBrush(path);
pthGrBrush.CenterColor = Color.FromArgb(255, 255, 255, 255);
pthGrBrush.CenterPoint = new Point(Convert.ToInt32(2 * intRand * 0.618), Convert.ToInt32(intRand * 0.618));
if (isHL == true)
{//高亮节点使用高亮背景色和边框
frame = new Pen(NetStyle.HLFrameColor);
pthGrBrush.SurroundColors = new Color[] { NetStyle.HLBackColor };
}
else
{//普通节点使用普通背景色和边框
frame = new Pen(NetStyle.FrameColor);
pthGrBrush.SurroundColors = new Color[] { NetStyle.BackColor };
}
//填充圆形
gGraphic.FillEllipse(pthGrBrush, 0, 0, intRand * 2, intRand * 2);
//外围边框绘制
gGraphic.DrawEllipse(frame, 0, 0, 2 * intRand, 2 * intRand);
return(img);
}
//高亮节点绘制函数
public void DrawHighLightNode(int iNum, ref Graphics GraCam)
{
Image img;
PaintParameter curNodePara;
Point potStart;
dNode curNode = curNetwork.Network[iNum];
//计算网络绘制参数
curNodePara = new PaintParameter(iNum, curNode.ComCount, curNetwork.MaxDeg, curNetwork.MinDeg);
//获取绘制完成的图片
img = this.DrawNode(curNodePara, true);
//在图元对应位置绘制图片
GraCam.DrawImage(img, new Point(curNode.Location.X - img.Width / 2, curNode.Location.Y - img.Height / 2));
//计算编号绘制起点
potStart = new Point(curNode.Location.X - curNode.Offset.X, curNode.Location.Y - curNode.Offset.Y);
//绘制节点编号
this.DrawString(iNum.ToString(), potStart, ref GraCam, true);
}