static Affine BuildImageBoundsPath(int srcW, int srcH,
VertexStore drawImageRectPath, AffinePlan[] affPlans)
{
drawImageRectPath.Clear();
drawImageRectPath.AddMoveTo(0, 0);
drawImageRectPath.AddLineTo(srcW, 0);
drawImageRectPath.AddLineTo(srcW, srcH);
drawImageRectPath.AddLineTo(0, srcH);
drawImageRectPath.AddCloseFigure();
return(Affine.NewMatix(affPlans));
}
static Affine BuildImageBoundsPath(int srcW, int srcH,
AffinePlan[] affPlans,
VertexStore outputDestImgRect)
{
outputDestImgRect.Clear();
outputDestImgRect.AddMoveTo(0, 0);
outputDestImgRect.AddLineTo(srcW, 0);
outputDestImgRect.AddLineTo(srcW, srcH);
outputDestImgRect.AddLineTo(0, srcH);
outputDestImgRect.AddCloseFigure();
return(Affine.NewMatix(affPlans));
}
Affine BuildImageBoundsPath(IImageReaderWriter sourceImage,
VertexStore drawImageRectPath, AffinePlan[] affPlans)
{
int srcW = sourceImage.Width;
int srcH = sourceImage.Height;
drawImageRectPath.Clear();
drawImageRectPath.AddMoveTo(0, 0);
drawImageRectPath.AddLineTo(srcW, 0);
drawImageRectPath.AddLineTo(srcW, srcH);
drawImageRectPath.AddLineTo(0, srcH);
drawImageRectPath.AddCloseFigure();
return(Affine.NewMatix(affPlans));
}
Affine BuildImageBoundsPath(IImageReaderWriter sourceImage,
VertexStore drawImageRectPath,
double destX, double destY,
double hotspotOffsetX, double hotSpotOffsetY,
double scaleX, double scaleY,
double angleRad)
{
AffinePlan[] plan = new AffinePlan[4];
int i = 0;
if (hotspotOffsetX != 0.0f || hotSpotOffsetY != 0.0f)
{
plan[i] = AffinePlan.Translate(-hotspotOffsetX, -hotSpotOffsetY);
i++;
}
if (scaleX != 1 || scaleY != 1)
{
plan[i] = AffinePlan.Scale(scaleX, scaleY);
i++;
}
if (angleRad != 0)
{
plan[i] = AffinePlan.Rotate(angleRad);
i++;
}
if (destX != 0 || destY != 0)
{
plan[i] = AffinePlan.Translate(destX, destY);
i++;
}
int srcW = sourceImage.Width;
int srcH = sourceImage.Height;
drawImageRectPath.Clear();
drawImageRectPath.AddMoveTo(0, 0);
drawImageRectPath.AddLineTo(srcW, 0);
drawImageRectPath.AddLineTo(srcW, srcH);
drawImageRectPath.AddLineTo(0, srcH);
drawImageRectPath.AddCloseFigure();
return(Affine.NewMatix(plan));
}
static Affine BuildImageBoundsPath(
int srcW, int srcH,
double destX, double destY, VertexStore outputDestImgRect)
{
AffinePlan plan = new AffinePlan();
if (destX != 0 || destY != 0)
{
plan = AffinePlan.Translate(destX, destY);
}
outputDestImgRect.Clear();
outputDestImgRect.AddMoveTo(0, 0);
outputDestImgRect.AddLineTo(srcW, 0);
outputDestImgRect.AddLineTo(srcW, srcH);
outputDestImgRect.AddLineTo(0, srcH);
outputDestImgRect.AddCloseFigure();
return(Affine.NewMatix(plan));
}
static Affine BuildImageBoundsPath(
int srcW, int srcH,
double destX, double destY,
double hotspotOffsetX, double hotSpotOffsetY,
double scaleX, double scaleY,
double angleRad,
VertexStore outputDestImgRect)
{
AffinePlan[] plans = new AffinePlan[4];
int i = 0;
if (hotspotOffsetX != 0.0f || hotSpotOffsetY != 0.0f)
{
plans[i] = AffinePlan.Translate(-hotspotOffsetX, -hotSpotOffsetY);
i++;
}
if (scaleX != 1 || scaleY != 1)
{
plans[i] = AffinePlan.Scale(scaleX, scaleY);
i++;
}
if (angleRad != 0)
{
plans[i] = AffinePlan.Rotate(angleRad);
i++;
}
if (destX != 0 || destY != 0)
{
plans[i] = AffinePlan.Translate(destX, destY);
i++;
}
outputDestImgRect.Clear();
outputDestImgRect.AddMoveTo(0, 0);
outputDestImgRect.AddLineTo(srcW, 0);
outputDestImgRect.AddLineTo(srcW, srcH);
outputDestImgRect.AddLineTo(0, srcH);
outputDestImgRect.AddCloseFigure();
return(Affine.NewMatix(plans));
}
Affine BuildImageBoundsPath(
int srcW, int srcH,
VertexStore drawImageRectPath,
double destX, double destY,
double hotspotOffsetX, double hotSpotOffsetY,
double scaleX, double scaleY,
double angleRad)
{
AffinePlan[] plan = new AffinePlan[4];
int i = 0;
if (hotspotOffsetX != 0.0f || hotSpotOffsetY != 0.0f)
{
plan[i] = AffinePlan.Translate(-hotspotOffsetX, -hotSpotOffsetY);
i++;
}
if (scaleX != 1 || scaleY != 1)
{
plan[i] = AffinePlan.Scale(scaleX, scaleY);
i++;
}
if (angleRad != 0)
{
plan[i] = AffinePlan.Rotate(angleRad);
i++;
}
if (destX != 0 || destY != 0)
{
plan[i] = AffinePlan.Translate(destX, destY);
i++;
}
drawImageRectPath.Clear();
drawImageRectPath.AddMoveTo(0, 0);
drawImageRectPath.AddLineTo(srcW, 0);
drawImageRectPath.AddLineTo(srcW, srcH);
drawImageRectPath.AddLineTo(0, srcH);
drawImageRectPath.AddCloseFigure();
return Affine.NewMatix(plan);
}
Affine BuildImageBoundsPath(
int srcW, int srcH,
VertexStore drawImageRectPath,
double destX, double destY)
{
AffinePlan plan = new AffinePlan();
if (destX != 0 || destY != 0)
{
plan = AffinePlan.Translate(destX, destY);
}
drawImageRectPath.Clear();
drawImageRectPath.AddMoveTo(0, 0);
drawImageRectPath.AddLineTo(srcW, 0);
drawImageRectPath.AddLineTo(srcW, srcH);
drawImageRectPath.AddLineTo(0, srcH);
drawImageRectPath.AddCloseFigure();
return(Affine.NewMatix(plan));
}
Affine BuildImageBoundsPath(IImageReaderWriter sourceImage,
VertexStore drawImageRectPath,
double destX, double destY)
{
AffinePlan plan = new AffinePlan();
if (destX != 0 || destY != 0)
{
plan = AffinePlan.Translate(destX, destY);
}
int srcW = sourceImage.Width;
int srcH = sourceImage.Height;
drawImageRectPath.Clear();
drawImageRectPath.AddMoveTo(0, 0);
drawImageRectPath.AddLineTo(srcW, 0);
drawImageRectPath.AddLineTo(srcW, srcH);
drawImageRectPath.AddLineTo(0, srcH);
drawImageRectPath.AddCloseFigure();
return(Affine.NewMatix(plan));
}
void WriteOutput(VertexStore outputVxs, bool close)
{
//write output to
if (close)
{
int positive_edgeCount = positiveSideVectors.Count;
int negative_edgeCount = negativeSideVectors.Count;
int n = positive_edgeCount - 1;
Vector v = positiveSideVectors[n];
outputVxs.AddMoveTo(v.X, v.Y);
for (; n >= 0; --n)
{
v = positiveSideVectors[n];
outputVxs.AddLineTo(v.X, v.Y);
}
outputVxs.AddCloseFigure();
//end ... create join to negative side
//------------------------------------------
//create line join from positive to negative side
v = negativeSideVectors[0];
outputVxs.AddMoveTo(v.X, v.Y);
n = 1;
for (; n < negative_edgeCount; ++n)
{
v = negativeSideVectors[n];
outputVxs.AddLineTo(v.X, v.Y);
}
//------------------------------------------
//close
outputVxs.AddCloseFigure();
}
else
{
int positive_edgeCount = positiveSideVectors.Count;
int negative_edgeCount = negativeSideVectors.Count;
//no a close shape stroke
//create line cap for this
//
//positive
Vector v = positiveSideVectors[0];
//-----------
//1. moveto
//2.
CreateStartLineCap(outputVxs,
v,
negativeSideVectors[0], this.HalfStrokeWidth);
//-----------
int n = 1;
for (; n < positive_edgeCount; ++n)
{
//increment n
v = positiveSideVectors[n];
outputVxs.AddLineTo(v.X, v.Y);
}
//negative
//----------------------------------
CreateEndLineCap(outputVxs,
positiveSideVectors[positive_edgeCount - 1],
negativeSideVectors[negative_edgeCount - 1],
this.HalfStrokeWidth);
//----------------------------------
for (n = negative_edgeCount - 2; n >= 0; --n)
{
//decrement n
v = negativeSideVectors[n];
outputVxs.AddLineTo(v.X, v.Y);
}
outputVxs.AddCloseFigure();
}
//reset
positiveSideVectors.Clear();
negativeSideVectors.Clear();
}
public static void ConvertToVxs(System.Drawing.Drawing2D.PathData pathdata, VertexStore outputVxs)
{
byte[] pointTypes = pathdata.Types;
PointF[] points = pathdata.Points;
int pointCount = points.Length;
//from MSDN document
//0 = start of figure (MoveTo)
//1 = one of the two endpoints of a line (LineTo)
//3 = an endpoint or control point of a cubic Bezier spline (4 points spline)
//masks..
//0x7 = 111b (binary) => for masking lower 3 bits
//0x20 = (1<<6) specific that point is a marker
//0x80 = (1<<7) specific that point is the last point of a closed subpath( figure)
//----------------------------------
//convert to Agg's VertexStorage
int curvePointCount = 0;
for (int i = 0; i < pointCount; ++i)
{
byte pointType = pointTypes[i];
PointF p = points[i];
switch (0x7 & pointType)
{
case 0:
//move to
outputVxs.AddMoveTo(p.X, p.Y);
curvePointCount = 0;
break;
case 1:
//line to
outputVxs.AddLineTo(p.X, p.Y);
curvePointCount = 0;
break;
case 3:
//end point of control point of cubic Bezier spline
{
switch (curvePointCount)
{
case 0:
{
outputVxs.AddP2c(p.X, p.Y);
curvePointCount++;
} break;
case 1:
{
outputVxs.AddP3c(p.X, p.Y);
curvePointCount++;
} break;
case 2:
{
outputVxs.AddLineTo(p.X, p.Y);
curvePointCount = 0; //reset
} break;
default:
{
throw new NotSupportedException();
}
}
} break;
default:
{
} break;
}
if ((pointType >> 7) == 1)
{
//close figure to
outputVxs.AddCloseFigure();
}
if ((pointType >> 6) == 1)
{
}
}
}
static Affine BuildImageBoundsPath(int srcW, int srcH,
VertexStore drawImageRectPath, AffinePlan[] affPlans)
{
drawImageRectPath.Clear();
drawImageRectPath.AddMoveTo(0, 0);
drawImageRectPath.AddLineTo(srcW, 0);
drawImageRectPath.AddLineTo(srcW, srcH);
drawImageRectPath.AddLineTo(0, srcH);
drawImageRectPath.AddCloseFigure();
return Affine.NewMatix(affPlans);
}
Affine BuildImageBoundsPath(
int srcW, int srcH,
VertexStore drawImageRectPath,
double destX, double destY)
{
AffinePlan plan = new AffinePlan();
if (destX != 0 || destY != 0)
{
plan = AffinePlan.Translate(destX, destY);
}
drawImageRectPath.Clear();
drawImageRectPath.AddMoveTo(0, 0);
drawImageRectPath.AddLineTo(srcW, 0);
drawImageRectPath.AddLineTo(srcW, srcH);
drawImageRectPath.AddLineTo(0, srcH);
drawImageRectPath.AddCloseFigure();
return Affine.NewMatix(plan);
}