private void DrawHoles(ImageGraphics ig)
{
if (holes == null)
{
return;
}
var ptDisp1 = new Point(0, 0);
var ptDisp2 = (Point)pbxDraw.ClientSize;
var ptImg1 = pbxDraw.DispToImg(ptDisp1);
var ptImg2 = pbxDraw.DispToImg(ptDisp2);
float imgX1 = (float)Math.Floor(ptImg1.X);
float imgY1 = (float)Math.Floor(ptImg1.Y);
float imgX2 = (float)Math.Floor(ptImg2.X);
float imgY2 = (float)Math.Floor(ptImg2.Y);
double zoomFactor = pbxDraw.GetZoomFactor();
skipDrawHoleInfo = zoomFactor < 0.5;
Pen linePen = Pens.Red;
Brush infoBrush = Brushes.Yellow;
Font infoFont = SystemFonts.DefaultFont;
float holePitch = 32.0f;
bool holeDrawCircle = zoomFactor > (4.0 / holePitch);
HoleInfoItemType infoItemType = HoleInfoItemType.None;
if (rdoHoleInfoIndexX.Checked)
{
infoItemType = HoleInfoItemType.IndexX;
}
else if (rdoHoleInfoIndexY.Checked)
{
infoItemType = HoleInfoItemType.IndexY;
}
else if (rdoHoleInfoFWD.Checked)
{
infoItemType = HoleInfoItemType.Fwd;
}
// 쿼드트리 사용하여 비저블 역역에 포함되는 노드만 그림
DrawNodeHole(tree.root, imgX1, imgY1, imgX2, imgY2, ig, zoomFactor, holeDrawCircle, linePen, infoItemType, infoFont, infoBrush);
if (chkDrawCursorHole.Checked && cursorHole != null)
{
DrawHole(ig, cursorHole, holeDrawCircle, Pens.Lime, infoItemType, infoFont, infoBrush);
}
}
// 홀그리기
private void DrawHole(ImageGraphics ig, Hole hole, bool holeDrawCircle, Pen linePen, HoleInfoItemType infoItemType, Font infoFont, Brush infoBrush)
{
if (holeDrawCircle)
{
DrawHoleCircle(ig, hole, linePen);
}
else
{
DrawHolePoint(ig, hole, linePen);
}
if (infoItemType == HoleInfoItemType.None || skipDrawHoleInfo)
{
return;
}
string infoText;
if (infoItemType == HoleInfoItemType.IndexX)
{
infoText = hole.idxX.ToString();
}
else if (infoItemType == HoleInfoItemType.IndexY)
{
infoText = hole.idxY.ToString();
}
else
{
infoText = hole.fwd.ToString();
}
DrawHoleInfo(ig, hole, infoText, infoFont, infoBrush);
}
// 노드 홀 그리기
private void DrawNodeHole(QuadTreeNode node, float imgX1, float imgY1, float imgX2, float imgY2, ImageGraphics ig, double zoomFactor, bool holeDrawCircle, Pen linePen, HoleInfoItemType infoItemType, Font infoFont, Brush infoBrush)
{
// 뷰 영역에 벗어난 노드는 리턴
if (node.x1 > imgX2 || node.y1 > imgY2 || node.x2 < imgX1 || node.y2 < imgY1)
{
return;
}
// 현재 레벨에서 드로우
if ((node.x2 - node.x1) * zoomFactor <= 8.0)
{
DrawHole(ig, node.holeFront, holeDrawCircle, linePen, infoItemType, infoFont, infoBrush);
return;
}
// 노드가 리프 노드 이면 노드에 포함된 홀 그리고 리턴
if (node.holes != null)
{
foreach (Hole hole in node.holes)
{
DrawHole(ig, hole, holeDrawCircle, linePen, infoItemType, infoFont, infoBrush);
}
return;
}
// 하위 노드로 내려감
if (node.childLT != null)
{
DrawNodeHole(node.childLT, imgX1, imgY1, imgX2, imgY2, ig, zoomFactor, holeDrawCircle, linePen, infoItemType, infoFont, infoBrush);
}
if (node.childRT != null)
{
DrawNodeHole(node.childRT, imgX1, imgY1, imgX2, imgY2, ig, zoomFactor, holeDrawCircle, linePen, infoItemType, infoFont, infoBrush);
}
if (node.childLB != null)
{
DrawNodeHole(node.childLB, imgX1, imgY1, imgX2, imgY2, ig, zoomFactor, holeDrawCircle, linePen, infoItemType, infoFont, infoBrush);
}
if (node.childRB != null)
{
DrawNodeHole(node.childRB, imgX1, imgY1, imgX2, imgY2, ig, zoomFactor, holeDrawCircle, linePen, infoItemType, infoFont, infoBrush);
}
}
