protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
int offset = 50;
float twip = 20f;
float q2c = 2 / 3f;
e.Graphics.SmoothingMode = SmoothingMode.None;
if (bmpNormal != null)
{
e.Graphics.DrawImage(bmpNormal, offset, offset);
e.Graphics.DrawImage(bmpLarge, offset + bmpNormal.Width + 50, offset);
}
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
if (edges != null)
{
Pen p2 = new Pen(Color.FromArgb(0xFF, 0, 0x66, 0x66), 2);
Pen p = new Pen(Color.FromArgb(0xFF, 0, 0, 0x66), 2);
foreach (Edge edge in edges)
{
if (edge is CurvedEdge)
{
CurvedEdge ce = (CurvedEdge)edge;
e.Graphics.DrawBezier(p2,
ce.startX / twip + offset,
ce.startY / twip + offset,
((ce.curveX - ce.startX) * q2c + ce.startX) / twip + offset,
((ce.curveY - ce.startY) * q2c + ce.startY) / twip + offset,
(ce.endX - (ce.endX - ce.curveX) * q2c) / twip + offset,
(ce.endY - (ce.endY - ce.curveY) * q2c) / twip + offset,
ce.endX / twip + offset,
ce.endY / twip + offset);
}
else
{
e.Graphics.DrawLine(p,
edge.startX / twip + offset, edge.startY / twip + offset,
edge.endX / twip + offset, edge.endY / twip + offset);
}
}
}
}
public static Edge[] SplitAtPeak(
int p0x, int p0y, int p1x, int p1y, int p2x, int p2y, byte fill0, byte fill1, byte line)
{
Edge[] result = new Edge[2];
// find the place where the y's are the same, that is the peak
// first height divided by total height
float h0 = (float)(p0y - p1y);
float h1 = (float)(p2y - p1y);
float t = h0 / (h0 + h1);
float u = 1f - t;
float mx = u * u * p0x + 2f * u * t * p1x + t * t * p2x;
float my = u * u * p0y + 2f * u * t * p1y + t * t * p2y;
float m0x = (p0x - p1x) * u + p1x;
float m1x = (p2x - p1x) * t + p1x;
//float mx = (m1x - m0x) * t + m0x;
//float m0y = (p1y - p0y) * t + p0y;
//float m1y = (p1y - p2y) * u + p2y;
//float my = (m1y - m0y) * t + m0y;
result[0] = new CurvedEdge(p0x, p0y, (int)m0x, (int)my, (int)mx, (int)my, fill0, fill1, line);
result[1] = new CurvedEdge((int)mx, (int)my, (int)m1x, (int)my, p2x, p2y, fill0, fill1, line);
if (result[0].startY > (int)my || result[0].endY < (int)my)
{
Console.WriteLine(my);
}
if (result[1].startY > (int)my || result[1].endY < (int)my)
{
Console.WriteLine(my);
}
return(result);
}
public static Edge[] SplitAtPeak(
int p0x, int p0y, int p1x, int p1y, int p2x, int p2y, byte fill0, byte fill1, byte line)
{
Edge[] result = new Edge[2];
// find the place where the y's are the same, that is the peak
// first height divided by total height
float h0 = (float)(p0y - p1y);
float h1 = (float)(p2y - p1y);
float t = h0 / (h0 + h1);
float u = 1f - t;
float mx = u * u * p0x + 2f * u * t * p1x + t * t * p2x;
float my = u * u * p0y + 2f * u * t * p1y + t * t * p2y;
float m0x = (p0x - p1x) * u + p1x;
float m1x = (p2x - p1x) * t + p1x;
//float mx = (m1x - m0x) * t + m0x;
//float m0y = (p1y - p0y) * t + p0y;
//float m1y = (p1y - p2y) * u + p2y;
//float my = (m1y - m0y) * t + m0y;
result[0] = new CurvedEdge(p0x, p0y, (int)m0x, (int)my, (int)mx, (int)my, fill0, fill1, line);
result[1] = new CurvedEdge((int)mx, (int)my, (int)m1x, (int)my, p2x, p2y, fill0, fill1, line);
if (result[0].startY > (int)my || result[0].endY < (int)my)
{
Console.WriteLine(my);
}
if (result[1].startY > (int)my || result[1].endY < (int)my)
{
Console.WriteLine(my);
}
return result;
}
Edge[] ParseEdges(ShapeWithStyle s, Rect bounds)
{
List <Edge> edges = new List <Edge>();
uint f0 = 0;
uint f1 = 0;
uint ln = 0;
int curX = -bounds.XMin; // always 0,0
int curY = -bounds.YMin;
FillStyleArray curFills = s.FillStyles;
LineStyleArray curLines = s.LineStyles;
int fillOffset = 0;
int lineOffset = 0;
foreach (IShapeRecord rec in s.ShapeRecords)
{
if (rec is StyleChangedRecord)
{
StyleChangedRecord r = (StyleChangedRecord)rec;
if (r.HasNewStyles) // todo: this also sets 'grouped' elements (and therefore layers)
{
fillOffset = curFills.FillStyles.Count;
lineOffset = curLines.LineStyles.Count;
curFills.FillStyles.AddRange(r.FillStyles.FillStyles);
curLines.LineStyles.AddRange(r.LineStyles.LineStyles);
}
if (r.HasFillStyle0)
{
f0 = r.FillStyle0 == 0 ? 0 : (uint)(r.FillStyle0 + fillOffset);
}
if (r.HasFillStyle1)
{
f1 = r.FillStyle1 == 0 ? 0 : (uint)(r.FillStyle1 + fillOffset);
}
if (r.HasLineStyle)
{
ln = r.LineStyle == 0 ? 0 : (uint)(r.LineStyle + lineOffset);
}
if (r.HasMove)
{
curX = r.MoveDeltaX; // this is based on the initial location, which is now 0,0
curY = r.MoveDeltaY;
}
}
else if (rec is StraightEdgeRecord)
{
StraightEdgeRecord r = (StraightEdgeRecord)rec;
Edge e = new Edge(curX, curY, curX + r.DeltaX, curY + r.DeltaY, (byte)f0, (byte)f1, (byte)ln);
curX += r.DeltaX;
curY += r.DeltaY;
edges.Add(e);
}
else if (rec is CurvedEdgeRecord)
{
CurvedEdgeRecord r = (CurvedEdgeRecord)rec;
int curveX = curX + r.ControlX;
int curveY = curY + r.ControlY;
int destX = curveX + r.AnchorX;
int destY = curveY + r.AnchorY;
// split nodes if curve is outside start/end Y
if (curveY >= curY && curveY <= destY)
{
Edge e = new CurvedEdge(curX, curY, curveX, curveY, destX, destY, (byte)f0, (byte)f1, (byte)ln);
edges.Add(e);
}
else
{
Edge[] split = CurvedEdge.SplitAtPeak(curX, curY, curveX, curveY, destX, destY, (byte)f0, (byte)f1, (byte)ln);
edges.Add(split[0]);
edges.Add(split[1]);
}
curX = destX;
curY = destY;
}
}
edges.Sort(Edge.MaxYComparer);
return(edges.ToArray());
}
Edge[] ParseEdges(ShapeWithStyle s, Rect bounds)
{
List<Edge> edges = new List<Edge>();
uint f0 = 0;
uint f1 = 0;
uint ln = 0;
int curX = -bounds.XMin; // always 0,0
int curY = -bounds.YMin;
FillStyleArray curFills = s.FillStyles;
LineStyleArray curLines = s.LineStyles;
int fillOffset = 0;
int lineOffset = 0;
foreach (IShapeRecord rec in s.ShapeRecords)
{
if (rec is StyleChangedRecord)
{
StyleChangedRecord r = (StyleChangedRecord)rec;
if (r.HasNewStyles) // todo: this also sets 'grouped' elements (and therefore layers)
{
fillOffset = curFills.FillStyles.Count;
lineOffset = curLines.LineStyles.Count;
curFills.FillStyles.AddRange(r.FillStyles.FillStyles);
curLines.LineStyles.AddRange(r.LineStyles.LineStyles);
}
if (r.HasFillStyle0)
{
f0 = r.FillStyle0 == 0 ? 0 : (uint)(r.FillStyle0 + fillOffset);
}
if (r.HasFillStyle1)
{
f1 = r.FillStyle1 == 0 ? 0 : (uint)(r.FillStyle1 + fillOffset);
}
if (r.HasLineStyle)
{
ln = r.LineStyle == 0 ? 0 : (uint)(r.LineStyle + lineOffset);
}
if(r.HasMove)
{
curX = r.MoveDeltaX; // this is based on the initial location, which is now 0,0
curY = r.MoveDeltaY;
}
}
else if (rec is StraightEdgeRecord)
{
StraightEdgeRecord r = (StraightEdgeRecord)rec;
Edge e = new Edge(curX, curY, curX + r.DeltaX, curY + r.DeltaY, (byte)f0, (byte)f1, (byte)ln);
curX += r.DeltaX;
curY += r.DeltaY;
edges.Add(e);
}
else if (rec is CurvedEdgeRecord)
{
CurvedEdgeRecord r = (CurvedEdgeRecord)rec;
int curveX = curX + r.ControlX;
int curveY = curY + r.ControlY;
int destX = curveX + r.AnchorX;
int destY = curveY + r.AnchorY;
// split nodes if curve is outside start/end Y
if(curveY >= curY && curveY <= destY)
{
Edge e = new CurvedEdge(curX, curY, curveX, curveY, destX, destY, (byte)f0, (byte)f1, (byte)ln);
edges.Add(e);
}
else
{
Edge[] split = CurvedEdge.SplitAtPeak(curX, curY, curveX, curveY, destX, destY, (byte)f0, (byte)f1, (byte)ln);
edges.Add(split[0]);
edges.Add(split[1]);
}
curX = destX;
curY = destY;
}
}
edges.Sort(Edge.MaxYComparer);
return edges.ToArray();
}
