private void CurveEnd(PointFP control1, PointFP control2, PointFP curveEnd)
{
drawingCurve = false;
if (needDrawStartCap)
{
startCapP1 = new PointFP(curveBegin);
startCapP2 = new PointFP(control1);
//AddLineCap(control1, curveBegin, startLineCap);
needDrawStartCap = false;
}
LineFP head = new LineFP();
LineFP tail = new LineFP();
CalcHeadTail(curveBegin, control1, head, new LineFP());
outline.AddMoveTo(head.P1);
outline.AddPath(curvePath1);
CalcHeadTail(control2, curveEnd, new LineFP(), tail);
outline.AddLineTo(tail.P1);
outline.AddLineTo(tail.P2);
outline.ExtendIfNeeded(curvePath1.cmdsSize, curvePath1.pntsSize);
int j = curvePath2.pntsSize - 1;
for (int i = curvePath2.cmdsSize - 1; i >= 0; i--)
{
outline.AddLineTo(curvePath2.pnts[j--]);
}
outline.AddLineTo(head.P2);
outline.AddClose();
curvePath1 = null;
curvePath2 = null;
lastCurveTail = null;
lastPoint = new PointFP(control2);
drawingCurve = false;
}
public static GraphicsPathFP CreateOval(int ff_xmin, int ff_ymin, int ff_xmax, int ff_ymax)
{
GraphicsPathFP path = GraphicsPathFP.CreateArc(ff_xmin, ff_ymin, ff_xmax, ff_ymax, 0, MathFP.PI * 2, false);
path.AddClose();
return(path);
}
public void FillOval(int ff_xmin, int ff_ymin, int ff_xmax, int ff_ymax)
{
GraphicsPathFP path = GraphicsPathFP.CreateOval(ff_xmin, ff_ymin, ff_xmax, ff_ymax);
path.AddClose();
FillPath(path);
}
public virtual GraphicsPathFP CalcOutline(PenFP lineStyle)
{
GraphicsPathFP outline = new GraphicsPathFP();
GraphicsPathSketch outlineGenerator = new GraphicsPathOutline(this, outline, lineStyle);
Visit(outlineGenerator);
return(outline);
}
public static GraphicsPathFP CreateLine(int ff_x1, int ff_y1, int ff_x2, int ff_y2)
{
GraphicsPathFP path = new GraphicsPathFP();
path.AddMoveTo(new PointFP(ff_x1, ff_y1));
path.AddLineTo(new PointFP(ff_x2, ff_y2));
return(path);
}
private void CurveBegin(PointFP control)
{
AddLineJoin(lastPoint, currPoint, control);
drawingCurve = true;
curvePath1 = new GraphicsPathFP();
curvePath2 = new GraphicsPathFP();
curveBegin = new PointFP(currPoint);
}
public void ScanPath(GraphicsPathFP path, MatrixFP matrix, int mode)
{
scanIndex = 0;
drawMode = mode;
transformMatrix = matrix;
path.Visit(this);
transformMatrix = null;
RadixSort(scanbuf, scanbuf_tmp, scanIndex);
}
public static GraphicsPathFP CreatePolygon(PointFP[] points)
{
GraphicsPathFP path = CreatePolyline(points);
if (points.Length > 0)
{
path.AddClose();
}
return(path);
}
public GraphicsPathOutline(GraphicsPathFP pathFP, GraphicsPathFP outline, PenFP lineStyle) : base()
{
this.path = pathFP;
this.outline = outline;
this.lineStyle = lineStyle;
ff_rad = lineStyle.Width / 2;
startLineCap = lineStyle.StartCap;
endLineCap = lineStyle.EndCap;
lineJoin = lineStyle.LineJoin;
}
public static GraphicsPathFP CreatePolyline(PointFP[] points)
{
GraphicsPathFP path = new GraphicsPathFP();
if (points.Length > 0)
{
path.AddMoveTo(points[0]);
for (int i = 1; i < points.Length; i++)
{
path.AddLineTo(points[i]);
}
}
return(path);
}
public void AddPath(GraphicsPathFP path)
{
if (path.cmdsSize > 0)
{
ExtendIfNeeded(path.cmdsSize, path.pntsSize);
Array.Copy(path.cmds, 0, cmds, cmdsSize, path.cmdsSize);
for (int i = 0; i < path.pntsSize; i++)
{
pnts[i + pntsSize] = new PointFP(path.pnts[i]);
}
cmdsSize += path.cmdsSize;
pntsSize += path.pntsSize;
}
}
public void DrawPath(GraphicsPathFP path, BrushFP style, int mode)
{
scanIndex = 0;
drawMode = mode;
path.Visit(this);
RadixSort(scanbuf, scanbuf_tmp, scanIndex);
fillStyle = style;
//fillStyle.SetBounds(ff_xmin, ff_ymin, ff_xmax, ff_ymax);
if (transformMatrix != null)
{
fillStyle.GraphicsMatrix = transformMatrix;
}
DrawBuffer();
fillStyle = null;
}
public GraphicsPathFP(GraphicsPathFP from)
{
cmdsSize = from.cmdsSize;
pntsSize = from.pntsSize;
if (cmdsSize > 0)
{
cmds = new sbyte[cmdsSize];
pnts = new PointFP[pntsSize];
Array.Copy(from.cmds, 0, cmds, 0, cmdsSize);
for (int i = 0; i < pntsSize; i++)
{
pnts[i] = new PointFP(from.pnts[i]);
}
}
}
public static GraphicsPathFP CreateSmoothCurves(PointFP[] points, int offset, int numberOfSegments, int ff_factor, bool closed)
{
int len = points.Length;
GraphicsPathFP path = new GraphicsPathFP();
if (numberOfSegments < 1 ||
numberOfSegments > points.Length - 1 ||
offset < 0 ||
offset + numberOfSegments > len - 1)
{
return(path);
}
PointFP[] PC1s = new PointFP[points.Length];
PointFP[] PC2s = new PointFP[points.Length];
if (!closed)
{
PC1s[0] = points[0];
PC2s[len - 1] = points[len - 1];
}
else
{
PC1s[0] = CalcControlPoint(points[len - 1], points[0], points[1], ff_factor);
PC2s[0] = CalcControlPoint(points[1], points[0], points[len - 1], ff_factor);
PC1s[len - 1] = CalcControlPoint(points[len - 2], points[len - 1], points[0], ff_factor);
PC2s[len - 1] = CalcControlPoint(points[0], points[len - 1], points[len - 2], ff_factor);
}
for (int i = 1; i < len - 1; i++)
{
PC1s[i] = CalcControlPoint(points[i - 1], points[i], points[i + 1], ff_factor);
PC2s[i] = CalcControlPoint(points[i + 1], points[i], points[i - 1], ff_factor);
}
path.AddMoveTo(points[offset]);
for (int i = 0; i < numberOfSegments; i++)
{
path.AddCurveTo(PC1s[offset + i], PC2s[offset + i + 1], points[offset + i + 1]);
}
if (closed)
{
path.AddCurveTo(PC1s[len - 1], PC2s[0], points[0]);
path.AddClose();
}
return(path);
}
public static GraphicsPathFP CreateRoundRect(int ff_xmin, int ff_ymin, int ff_xmax, int ff_ymax, int ff_rx, int ff_ry)
{
int ff_rmax;
int FF_PI = MathFP.PI;
GraphicsPathFP path = new GraphicsPathFP();
path.AddMoveTo(new PointFP(ff_xmin + ff_rx, ff_ymin));
path.AddLineTo(new PointFP(ff_xmax - ff_rx, ff_ymin));
ff_rmax = MathFP.Min(ff_xmax - ff_xmin, ff_ymax - ff_ymin) / 2;
if (ff_rx > ff_rmax)
{
ff_rx = ff_rmax;
}
if (ff_ry > ff_rmax)
{
ff_ry = ff_rmax;
}
if (ff_rx != 0 && ff_ry != 0)
{
path.AddPath(GraphicsPathFP.CreateArc(ff_xmax - ff_rx * 2, ff_ymin, ff_xmax, ff_ymin + ff_ry * 2, (-FF_PI) / 2, 0, false, false));
}
path.AddLineTo(new PointFP(ff_xmax, ff_ymin + ff_ry));
path.AddLineTo(new PointFP(ff_xmax, ff_ymax - ff_ry));
if (ff_rx != 0 && ff_ry != 0)
{
path.AddPath(GraphicsPathFP.CreateArc(ff_xmax - ff_rx * 2, ff_ymax - ff_ry * 2, ff_xmax, ff_ymax, 0, FF_PI / 2, false, false));
}
path.AddLineTo(new PointFP(ff_xmax - ff_rx, ff_ymax));
path.AddLineTo(new PointFP(ff_xmin + ff_rx, ff_ymax));
if (ff_rx != 0 && ff_ry != 0)
{
path.AddPath(GraphicsPathFP.CreateArc(ff_xmin, ff_ymax - ff_ry * 2, ff_xmin + ff_rx * 2, ff_ymax, FF_PI / 2, FF_PI, false, false));
}
path.AddLineTo(new PointFP(ff_xmin, ff_ymax - ff_ry));
path.AddLineTo(new PointFP(ff_xmin, ff_ymin + ff_ry));
if (ff_rx != 0 && ff_ry != 0)
{
path.AddPath(GraphicsPathFP.CreateArc(ff_xmin, ff_ymin, ff_xmin + ff_rx * 2, ff_ymin + ff_ry * 2, -FF_PI, (-FF_PI) / 2, false, false));
}
path.AddClose();
return(path);
}
public void DrawLine(int ff_x1, int ff_y1, int ff_x2, int ff_y2)
{
DrawPath(GraphicsPathFP.CreateLine(ff_x1, ff_y1, ff_x2, ff_y2));
}
public void FillPie(int ff_xmin, int ff_ymin, int ff_xmax, int ff_ymax, int ff_startangle, int ff_sweepangle)
{
FillPath(GraphicsPathFP.CreateArc(ff_xmin, ff_ymin, ff_xmax, ff_ymax, ff_startangle, ff_sweepangle, true));
}
public void DrawCurves(PointFP[] points, int offset, int numberOfSegments, int ff_factor)
{
DrawPath(GraphicsPathFP.CreateSmoothCurves(points, offset, numberOfSegments, ff_factor, false));
}
public void DrawPolygon(PointFP[] points)
{
DrawPath(GraphicsPathFP.CreatePolygon(points));
}
public void DrawRoundRect(int ff_xmin, int ff_ymin, int ff_xmax, int ff_ymax, int ff_rx, int ff_ry)
{
DrawPath(GraphicsPathFP.CreateRoundRect(ff_xmin, ff_ymin, ff_xmax, ff_ymax, ff_rx, ff_ry));
}
public static GraphicsPathFP CreateArc(int ff_xmin, int ff_ymin, int ff_xmax, int ff_ymax, int ff_startangle, int ff_sweepangle, bool closed, bool standalone)
{
if (ff_sweepangle < 0)
{
ff_startangle += ff_sweepangle;
ff_sweepangle = -ff_sweepangle;
}
int segments = MathFP.Round(MathFP.Div(4 * MathFP.Abs(ff_sweepangle), MathFP.PI)) >> SingleFP.DecimalBits;
if (segments == 0)
{
segments = 1;
}
GraphicsPathFP path = new GraphicsPathFP();
int ff_darg = ff_sweepangle / segments;
int ff_arg = ff_startangle;
int ff_lastcos = MathFP.Cos(ff_startangle);
int ff_lastsin = MathFP.Sin(ff_startangle);
int ff_xc = (ff_xmin + ff_xmax) / 2;
int ff_yc = (ff_ymin + ff_ymax) / 2;
int ff_rx = (ff_xmax - ff_xmin) / 2;
int ff_ry = (ff_ymax - ff_ymin) / 2;
int ff_RXBETA = MathFP.Mul(17381, ff_rx);
int ff_RYBETA = MathFP.Mul(17381, ff_ry);
int ff_currcos, ff_currsin, ff_x1, ff_y1, ff_x2, ff_y2;
if (closed)
{
path.AddMoveTo(new PointFP(ff_xc, ff_yc));
}
for (int i = 1; i <= segments; i++)
{
ff_arg = i == segments?ff_startangle + ff_sweepangle:ff_arg + ff_darg;
ff_currcos = MathFP.Cos(ff_arg);
ff_currsin = MathFP.Sin(ff_arg);
ff_x1 = ff_xc + MathFP.Mul(ff_rx, ff_lastcos);
ff_y1 = ff_yc + MathFP.Mul(ff_ry, ff_lastsin);
ff_x2 = ff_xc + MathFP.Mul(ff_rx, ff_currcos);
ff_y2 = ff_yc + MathFP.Mul(ff_ry, ff_currsin);
if (i == 1)
{
if (closed)
{
path.AddLineTo(new PointFP(ff_x1, ff_y1));
}
else
if (standalone)
{
path.AddMoveTo(new PointFP(ff_x1, ff_y1));
}
}
path.AddCurveTo(
new PointFP(ff_x1 - MathFP.Mul(ff_RXBETA, ff_lastsin), ff_y1 + MathFP.Mul(ff_RYBETA, ff_lastcos)),
new PointFP(ff_x2 + MathFP.Mul(ff_RXBETA, ff_currsin), ff_y2 - MathFP.Mul(ff_RYBETA, ff_currcos)),
new PointFP(ff_x2, ff_y2));
ff_lastcos = ff_currcos;
ff_lastsin = ff_currsin;
}
if (closed)
{
path.AddClose();
}
return(path);
}
public void DrawOval(int ff_xmin, int ff_ymin, int ff_xmax, int ff_ymax)
{
DrawPath(GraphicsPathFP.CreateOval(ff_xmin, ff_ymin, ff_xmax, ff_ymax));
}
public void DrawRect(int ff_xmin, int ff_ymin, int ff_xmax, int ff_ymax)
{
DrawPath(GraphicsPathFP.CreateRect(ff_xmin, ff_ymin, ff_xmax, ff_ymax));
}
public void DrawPath(GraphicsPathFP path)
{
bufferedImage = null;
renderer.DrawPath(path.CalcOutline(lineStyle), matrix, lineStyle.Brush, GraphicsPathRenderer.MODE_ZERO);
}
public void DrawArc(int ff_xmin, int ff_ymin, int ff_xmax, int ff_ymax, int ff_startangle, int ff_sweepangle)
{
DrawPath(GraphicsPathFP.CreateArc(ff_xmin, ff_ymin, ff_xmax, ff_ymax, ff_startangle, ff_sweepangle, false));
}
public void DrawPath(GraphicsPathFP path, MatrixFP matrix, BrushFP fillStyle, int mode)
{
transformMatrix = matrix;
DrawPath(path, fillStyle, mode);
transformMatrix = null;
}
public void FillClosedCurves(PointFP[] points, int offset, int numberOfSegments, int ff_factor)
{
FillPath(GraphicsPathFP.CreateSmoothCurves(points, offset, numberOfSegments, ff_factor, true));
}
public void FillPolygon(PointFP[] points)
{
FillPath(GraphicsPathFP.CreatePolygon(points));
}
public void FillPath(GraphicsPathFP path)
{
bufferedImage = null;
renderer.DrawPath(path, matrix, fillStyle, paintMode);
}
public void FillRoundRect(int ff_xmin, int ff_ymin, int ff_xmax, int ff_ymax, int ff_rx, int ff_ry)
{
FillPath(GraphicsPathFP.CreateRoundRect(ff_xmin, ff_ymin, ff_xmax, ff_ymax, ff_rx, ff_ry));
}
