public void SetDashPattern(float solid0, float blank0, float solid1, float blank1)
{
_dashGenLineWalker = new LineWalker();
_dashGenLineWalker.AddMark(solid0, LineWalkDashStyle.Solid);
_dashGenLineWalker.AddMark(blank0, LineWalkDashStyle.Blank);
//
_dashGenLineWalker.AddMark(solid1, LineWalkDashStyle.Solid);
_dashGenLineWalker.AddMark(blank1, LineWalkDashStyle.Blank);
}
void DrawB(Painter p)
{
p.Clear(PixelFarm.Drawing.Color.White);
//--------------------------
p.StrokeColor = PixelFarm.Drawing.Color.Black;
p.StrokeWidth = 2.0f;
using (VxsTemp.Borrow(out var v1, out var v2))
using (VectorToolBox.Borrow(v1, out PathWriter writer))
{
writer.MoveTo(20, 10);
writer.LineTo(60, 10);
writer.LineTo(20, 200);
writer.CloseFigure();
//aggPainter.LineJoin = this.LineJoin;
//aggPainter.LineCap = this.LineCap;
//
//----------------------------------------------------
//create a dash line
_dashGenLineWalker.ClearMarks(); //clear previous markers
//***
//you can customize what happend with the line segment
_dashGenLineWalker.AddMark(10, (outputVxs, cmd, x, y) =>
{
//solid
switch (cmd)
{
case VertexCmd.MoveTo:
outputVxs.AddMoveTo(x, y);
break;
case VertexCmd.LineTo:
outputVxs.AddLineTo(x, y);
break;
}
});
_dashGenLineWalker.AddMark(10, (outputVxs, cmd, x, y) =>
{
//whitespace, do nothing
});
//then generate dash by walking along v1
_dashGenLineWalker.Walk(v1, v2);
//aggPainter.Draw(vxs);
//test drawline
int n = v2.Count;
double px = 0, py = 0;
for (int i = 0; i < n; ++i)
{
double x, y;
VertexCmd cmd = v2.GetVertex(i, out x, out y);
switch (cmd)
{
case VertexCmd.MoveTo:
px = x;
py = y;
break;
case VertexCmd.LineTo:
p.DrawLine(px, py, x, y);
break;
}
px = x;
py = y;
}
}
//aggPainter.Draw(newvxs);
}
void DrawB(PixelFarm.Agg.AggPainter aggPainter)
{
aggPainter.Clear(PixelFarm.Drawing.Color.White);
//--------------------------
aggPainter.StrokeColor = PixelFarm.Drawing.Color.Black;
aggPainter.StrokeWidth = 2.0f;
//
VertexStore vxs = new VertexStore();
PathWriter writer = new PathWriter(vxs);
writer.MoveTo(20, 10);
writer.LineTo(60, 10);
writer.LineTo(20, 200);
writer.CloseFigure();
//writer.MoveTo(100, 100);
//writer.LineTo(20, 200);
//aggPainter.LineJoin = this.LineJoin;
//aggPainter.LineCap = this.LineCap;
//
//----------------------------------------------------
//create a dash line
VertexStore newvxs = new VertexStore();
LineWalker dashGenLineWalker = new LineWalker();
//***
//you can customize what happend with the line segment
dashGenLineWalker.AddMark(10, (outputVxs, cmd, x, y) =>
{
//solid
switch (cmd)
{
case VertexCmd.MoveTo:
outputVxs.AddMoveTo(x, y);
break;
case VertexCmd.LineTo:
outputVxs.AddLineTo(x, y);
break;
}
});
dashGenLineWalker.AddMark(10, (outputVxs, cmd, x, y) =>
{
//whitespace, do nothing
});
dashGenLineWalker.Walk(vxs, newvxs);
//aggPainter.Draw(vxs);
//test drawline
int n = newvxs.Count;
double px = 0, py = 0;
for (int i = 0; i < n; ++i)
{
double x, y;
VertexCmd cmd = newvxs.GetVertex(i, out x, out y);
switch (cmd)
{
case VertexCmd.MoveTo:
px = x;
py = y;
break;
case VertexCmd.LineTo:
aggPainter.DrawLine(px, py, x, y);
break;
}
px = x;
py = y;
}
//aggPainter.Draw(newvxs);
}
void DrawB(Painter p)
{
p.Clear(PixelFarm.Drawing.Color.White);
//--------------------------
p.StrokeColor = PixelFarm.Drawing.Color.Black;
p.StrokeWidth = 2.0f;
using (Tools.BorrowVxs(out var v1, out var v2))
using (Tools.BorrowPathWriter(v1, out var writer))
{
writer.MoveTo(20, 10);
writer.LineTo(60, 10);
writer.LineTo(20, 200);
writer.CloseFigure();
//aggPainter.LineJoin = this.LineJoin;
//aggPainter.LineCap = this.LineCap;
//
//----------------------------------------------------
//create a dash line
_dashGenLineWalker.Reset(); //clear previous markers
//***
//you can customize what happend with the line segment
_dashGenLineWalker.AddMark(10, (output, marker, cmd, x, y) =>
{
//solid
switch (cmd)
{
case VertexCmd.MoveTo:
output.AddMoveTo(marker, x, y);
break;
case VertexCmd.LineTo:
output.AddLineTo(marker, x, y);
break;
}
});
_dashGenLineWalker.AddMark(10, (output, marker, cmd, x, y) =>
{
//whitespace, do nothing
});
//-------------------------------------------
//then generate dash by walking along v1
ExampleVxsLineDashSegmentWalkerOutput walkerOutput = new ExampleVxsLineDashSegmentWalkerOutput();
walkerOutput.SetOutput(v2);
_dashGenLineWalker.Walk(v1, walkerOutput);
//test drawline
int n = v2.Count;
double px = 0, py = 0;
for (int i = 0; i < n; ++i)
{
VertexCmd cmd = v2.GetVertex(i, out double x, out double y);
switch (cmd)
{
case VertexCmd.MoveTo:
break;
case VertexCmd.LineTo:
p.DrawLine(px, py, x, y);
break;
}
px = x;
py = y;
}
//-------------------------------------------
}
}