void IView.Draw(System.Drawing.Graphics g)
{
Pen p = new Pen(color, width);
GraphicsPath gp = new GraphicsPath();
gp.AddLines(new Point[] { new Point(-2, -5), new Point(0, 0), new Point(2, -5) });
CustomLineCap clp = new System.Drawing.Drawing2D.CustomLineCap(null, gp);
clp.SetStrokeCaps(LineCap.Square, LineCap.Square);
clp.WidthScale = 1;
p.CustomStartCap = clp;
Point T = new Point(point1.X, point1.Y);
if (point1 != point2)
{
double ab = Math.Sqrt((point1.X - point2.X) * (point1.X - point2.X) + (point1.Y - point2.Y) * (point1.Y - point2.Y));
double r = ab / Math.Sqrt(2);
double b = Math.PI / 4 - Math.Atan2(point2.X - Point1.X, point2.Y - Point1.Y);
Point O = new Point((int)(point1.X + r * Math.Cos(b) - r), (int)(point1.Y + r * Math.Sin(b) - r));
int sa = (int)(180 + b * 180 / Math.PI);
int a = 90 - (int)((Math.Acos((2 * r * r - radius * radius) / (2 * r * r)) * 180 / Math.PI) * 1.3);
if ((int)r * 2 > 0)
{
g.DrawArc(p, O.X, O.Y, (int)r * 2, (int)r * 2, sa - a, a);
}
T.X += (int)(r * 0.7 * Math.Cos(b + 70 * Math.PI / 180));
T.Y += (int)(r * 0.7 * Math.Sin(b + 70 * Math.PI / 180)) - 15;
}
else
{
g.DrawArc(p, point1.X - 60, point1.Y - 30, 60, 60, 40, 280);
T.X -= 40;
}
SolidBrush Sel = new SolidBrush(Color.Silver);
if (isOver)
{
Sel.Color = Color.DarkTurquoise;
}
g.DrawString(Val, new Font("Roboto Condensed", 18, FontStyle.Bold), Sel, T.X, T.Y, VertexView.stringFormat);
valR.Size = g.MeasureString(Val, new Font("Roboto Condensed", 18, FontStyle.Bold));
valR.Location = new Point(T.X - (int)valR.Size.Width / 2, T.Y - (int)valR.Size.Height / 2);
}
private CustomLineCap GetClone(Pen pen, float size)
{
float endPoint;
endPoint = pen.Width == 0 ? 1 : size / pen.Width;
GraphicsPath hPath = new GraphicsPath();
// Create the outline for our custom end cap.
hPath.AddLine(new PointF(-endPoint / 2, 0), new PointF(endPoint / 2, 0));
CustomLineCap clone = new CustomLineCap(null, hPath); // we set the stroke path only
clone.SetStrokeCaps(LineCap.Flat, LineCap.Flat);
return clone;
}
private CustomLineCap GetClone(Pen pen, float size)
{
float endPoint;
endPoint = pen.Width == 0 ? 1 : size / (pen.Width * 2) - 0.5f;
if (endPoint <= 0)
endPoint = 1e-3f;
GraphicsPath hPath = new GraphicsPath();
// Create the outline for our custom end cap.
hPath.AddEllipse(-endPoint, -endPoint, 2 * endPoint, 2 * endPoint);
CustomLineCap clone = new CustomLineCap(null, hPath, LineCap.Flat, endPoint); // we set the stroke path only
clone.SetStrokeCaps(LineCap.Flat, LineCap.Flat);
return clone;
}
protected CustomLineCap GetClone(Pen pen, float size, bool startCap)
{
float endPoint;
endPoint = pen.Width == 0 ? 1 : size / pen.Width;
if (startCap)
endPoint = -endPoint;
GraphicsPath hPath = new GraphicsPath();
// Create the outline for our custom end cap.
hPath.AddLine(new PointF(endPoint < 0 ? 0.5f : -0.5f, 0), new PointF(endPoint / 2, 0));
CustomLineCap clone = new CustomLineCap(null, hPath); // we set the stroke path only
clone.SetStrokeCaps(LineCap.Flat, LineCap.Flat);
return clone;
}
public override void Draw_line(Panel panel)
{
Pen myPen = new Pen(Color.Black, 2);
GraphicsPath hPath = new GraphicsPath(); // 畫箭頭的
hPath.AddLine(new Point(5, 0), new Point(-5, 0));
hPath.AddLine(new Point(5, 0), new Point(0, 10));
hPath.AddLine(new Point(-5, 0), new Point(0, 10));
CustomLineCap myNewArrow = new CustomLineCap(null, hPath);
myNewArrow.SetStrokeCaps(LineCap.Round, LineCap.Round);
myPen.StartCap = LineCap.Flat;
myPen.CustomEndCap = myNewArrow;
panel.CreateGraphics().DrawLine(myPen, Start, End);
myPen.Dispose();
}
private CustomLineCap GetClone(Pen pen, float size)
{
float endPoint;
endPoint = pen.Width == 0 ? 1 : size / (pen.Width * 2) - 0.70710678118654752440084436210485f;
if (endPoint < 0)
endPoint = 1e-3f * pen.Width;
GraphicsPath hPath = new GraphicsPath();
// Create the outline for our custom end cap.
hPath.AddPolygon(new PointF[]{
new PointF(0,-endPoint),
new PointF(endPoint,0),
new PointF(0, endPoint),
new PointF(-endPoint,0),
});
CustomLineCap clone = new CustomLineCap(null, hPath, LineCap.Flat, endPoint); // we set the stroke path only
clone.SetStrokeCaps(LineCap.Flat, LineCap.Flat);
return clone;
}
private CustomLineCap GetClone(Pen pen, float size)
{
float endPoint;
endPoint = pen.Width == 0 ? 1 : size / (pen.Width);
if (endPoint <= 0)
endPoint = 1e-3f;
float c = 0.8660254f; // 0.5 / Math.Tan(30°);
float r = 1; // 0.5/Math.Sin(30°);
GraphicsPath hPath = new GraphicsPath();
// Create the outline for our custom end cap.
hPath.AddPolygon(new PointF[]{
new PointF(0,-endPoint*0.866f+r),
new PointF(endPoint/2 -c,-0.5f),
new PointF(-endPoint/2 + c, -0.5f),
});
CustomLineCap clone = new CustomLineCap(null, hPath, LineCap.Flat, endPoint * 0.866f - r); // we set the stroke path only
clone.SetStrokeCaps(LineCap.Flat, LineCap.Flat);
return clone;
}
/// <summary>
/// Serialization constructor
/// </summary>
/// <param name="info"></param>
/// <param name="context"></param>
public CustomLineCapRef(SerializationInfo info, StreamingContext context)
{
var baseCap = (LineCap) info.GetInt32("BaseCap");
var baseInset = info.GetSingle("BaseInset");
var fillPath = (GraphicsPath) info.GetValue("FillPath", (typeof (GraphicsPath)));
var strokePath = (GraphicsPath)info.GetValue("StrokePath", (typeof(GraphicsPath)));
var startCap = (LineCap)info.GetInt32("StartCap");
var endCap = (LineCap)info.GetInt32("StartCap");
_clp = new CustomLineCap(fillPath, strokePath, baseCap, baseInset);
_clp.StrokeJoin = (LineJoin) info.GetInt32("StrokeJoin");
_clp.WidthScale = info.GetSingle("WidthScale");
_clp.SetStrokeCaps(startCap, endCap);
}
private void Render(IGraphics ig)
{
string s = cbWhat.Text;
if (string.IsNullOrEmpty(s))
{
}
else if (s == "Clipping")
{
Pen pn = new Pen(Color.LightGray, 5.6f);
Pen pn2 = new Pen(Color.Yellow, 1.2f);
ig.Clear(Color.Black);
GraphicsContainer cnt = ig.BeginContainer();
ig.SmoothingMode = SmoothingMode.HighQuality;
ig.SetClip(new Rectangle(35, 35, 120, 120));
ig.DrawRectangle(pn, 5, 5, 45, 70);
ig.DrawRectangle(pn, 15, 25, 90, 120);
ig.DrawRectangle(pn, 50, 30, 100, 170);
ig.DrawRectangle(pn, 5, 80, 180, 30);
ig.DrawRectangle(pn, 75, 10, 40, 160);
ig.EndContainer(cnt);
ig.DrawRectangle(pn2, 5, 5, 45, 70);
ig.DrawRectangle(pn2, 15, 25, 90, 120);
ig.DrawRectangle(pn2, 50, 30, 100, 170);
ig.DrawRectangle(pn2, 5, 80, 180, 30);
ig.DrawRectangle(pn2, 75, 10, 40, 160);
}
else if (s == "Transforms")
{
ig.Clear(Color.Black);
ig.RotateTransform(15);
ig.DrawRectangle(new Pen(Color.Red, 2.7f), 260, 80, 50, 40);
ig.ResetTransform();
ig.DrawRectangle(new Pen(Color.Red, 2.7f), 260, 80, 50, 40);
ig.TranslateTransform(15, -5);
GraphicsContainer cnt = ig.BeginContainer();
ig.SmoothingMode = SmoothingMode.HighQuality;
ig.RotateTransform(5);
ig.FillEllipse(new SolidBrush(Color.Orange), 100, 100, 80, 40);
ig.DrawRectangle(new Pen(Color.Orange, 2), 60, 80, 40, 40);
GraphicsContainer cnt2 = ig.BeginContainer();
ig.SmoothingMode = SmoothingMode.None;
ig.RotateTransform(5);
ig.ScaleTransform(1.1f, 1.2f);
ig.FillEllipse(new SolidBrush(Color.YellowGreen), 130, 180, 80, 40);
ig.DrawRectangle(new Pen(Color.YellowGreen, 2.7f), 62, 80, 40, 40);
GraphicsContainer cnt3 = ig.BeginContainer();
ig.SmoothingMode = SmoothingMode.HighQuality;
Matrix mm = new Matrix();
mm.Shear(0.3f, 0f);
ig.Transform = mm;
ig.FillEllipse(new SolidBrush(Color.Green), 180, 120, 80, 40);
ig.DrawRectangle(new Pen(Color.Green, 2), 62, 84, 40, 40);
ig.EndContainer(cnt3);
ig.EndContainer(cnt2);
ig.FillEllipse(new SolidBrush(Color.Blue), 120, 150, 80, 40);
ig.DrawRectangle(new Pen(Color.Blue, 2), 64, 80, 40, 40);
ig.EndContainer(cnt);
ig.FillEllipse(new SolidBrush(Color.Indigo), 80, 210, 80, 40);
ig.DrawRectangle(new Pen(Color.Indigo, 2), 66, 80, 40, 40);
ig.DrawRectangle(new Pen(Color.White, 2), 270, 30, 50, 40);
ig.ResetTransform();
ig.DrawRectangle(new Pen(Color.White, 2), 270, 30, 50, 40);
}
else if (s == "Lines")
{
ig.SmoothingMode = SmoothingMode.AntiAlias;
Pen ow = new Pen(Color.Purple, 12.6f);
ow.EndCap = LineCap.Round;
ow.StartCap = LineCap.Round;
ow.MiterLimit = 6f;
ow.LineJoin = LineJoin.Miter;
ig.SmoothingMode = SmoothingMode.None;
Pen tp = new Pen(Color.Red, 2.7f);
tp.DashStyle = DashStyle.DashDot;
ig.DrawLine(tp, 70, 20, 190, 20);
tp.DashStyle = DashStyle.Dash;
ig.DrawLine(tp, 70, 30, 190, 30);
tp.DashStyle = DashStyle.Custom;
tp.DashPattern = new float[] { 1, 8, 2, 2 };
ig.DrawLine(tp, 70, 40, 190, 40);
ig.SmoothingMode = SmoothingMode.AntiAlias;
PointF[] pts = new PointF[4];
pts[0] = new PointF(20, 50);
pts[1] = new PointF(30, 90);
pts[2] = new PointF(65, 60);
pts[3] = new PointF(50, 40);
ig.DrawLines(ow, pts);
Point[] polly = new Point[]
{
new Point(200, 40),
new Point(220, 140),
new Point(240, 100),
new Point(290, 70),
new Point(230, 10)
};
ig.DrawPolygon(tp, polly);
//arrows
Pen arr = new Pen(Color.DarkGoldenrod, 5.7f);
{
arr.Width = 2;
arr.StartCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;
const float arrowWidth = 11.0f; // TUNE:
const float arrowHeight = 14f; // TUNE:
var arrowOutline = new System.Drawing.Drawing2D.GraphicsPath();
arrowOutline.AddLines(new PointF[] {
new PointF(-(arrowWidth / 2), -arrowHeight),
new PointF(0, 0),
new PointF((arrowWidth / 2), -arrowHeight),
new PointF(-(arrowWidth / 2), -arrowHeight)
});
var generalizationArrow = new System.Drawing.Drawing2D.CustomLineCap(null, arrowOutline);
generalizationArrow.SetStrokeCaps(System.Drawing.Drawing2D.LineCap.Round, System.Drawing.Drawing2D.LineCap.Round);
generalizationArrow.BaseInset = arrowHeight;
arr.CustomEndCap = generalizationArrow;
ig.DrawLine(arr, 0, 120, 100, 200);
}
arr.Width = 5;
AdjustableArrowCap aac = new AdjustableArrowCap(5, 3, false);
arr.EndCap = LineCap.Custom;
arr.CustomEndCap = aac;
arr.StartCap = LineCap.ArrowAnchor;
ig.DrawLine(arr, 50, 120, 150, 200);
arr.Width = 7f;
arr.EndCap = LineCap.RoundAnchor;
arr.StartCap = LineCap.SquareAnchor;
ig.DrawLine(arr, 100, 120, 200, 200);
arr.Width = 9;
arr.EndCap = LineCap.DiamondAnchor;
arr.StartCap = LineCap.ArrowAnchor;
ig.DrawLine(arr, 150, 120, 250, 200);
Point[] al = new Point[]
{
new Point(200, 100),
new Point(300, 200),
new Point(300, 150)
};
arr.Width = 9;
arr.EndCap = LineCap.DiamondAnchor;
arr.StartCap = LineCap.DiamondAnchor;
ig.DrawLines(arr, al);
}
else if (s == "Curves")
{
PointF[] bezzie = new PointF[]
{
new PointF(20, 150),
new PointF(110, 190),
new PointF(120, 200),
new PointF(50, 220),
new PointF(60, 200),
new PointF(140, 180),
new PointF(100, 160),
new PointF(180, 260),
new PointF(200, 210),
new PointF(190, 210)
};
Pen bpn = new Pen(Color.MediumSeaGreen, 2.3f);
bpn.DashStyle = DashStyle.Custom;
bpn.DashPattern = new float[] { 6, 1, 5, 2, 4, 3, 3, 4, 2, 5, 6, 1 };
ig.DrawBeziers(bpn, bezzie);
PointF[] curvy = new PointF[]
{
new PointF(130, 40),
new PointF(70, 70),
new PointF(50, 20),
new PointF(120, 120),
new PointF(150, 80),
new PointF(80, 150),
new PointF(80, 110)
};
ig.DrawCurve(new Pen(Color.Blue, 5.7f), curvy);
ig.DrawCurve(new Pen(Color.Red, 2.7f), curvy, 2, 3);
ig.DrawCurve(new Pen(Color.Yellow, 1.7f), curvy, 1f);
Point[] ccurvy = new Point[]
{
new Point(280, 30),
new Point(260, 60),
new Point(200, 20),
new Point(290, 120),
new Point(290, 80),
new Point(230, 150),
new Point(150, 50)
};
ig.DrawClosedCurve(new Pen(Color.Green, 3.7f), ccurvy, 1f, FillMode.Alternate);
ig.DrawClosedCurve(new Pen(Color.Purple, 1.7f), ccurvy, 0f, FillMode.Alternate);
Point[] fcc = new Point[]
{
new Point(160, 350),
new Point(190, 370),
new Point(130, 390),
new Point(190, 400),
new Point(195, 410),
new Point(100, 430),
new Point(160, 450)
};
ig.FillClosedCurve(new SolidBrush(Color.Red), fcc, FillMode.Winding, 1f);
ig.FillClosedCurve(new SolidBrush(Color.Aquamarine), fcc, FillMode.Alternate, .2f);
}
else if (s == "Transparency")
{
Point[] fillpoly = new Point[]
{
new Point(20, 130),
new Point(60, 90),
new Point(30, 20),
new Point(80, 20),
new Point(15, 90),
new Point(100, 50),
new Point(0, 50)
};
Color col = Color.FromArgb(96, 255, 0, 0);
ig.FillEllipse(new SolidBrush(Color.Ivory), 60, 140, 60, 30);
ig.FillPolygon(new SolidBrush(Color.Ivory), fillpoly, FillMode.Winding);
ig.TranslateTransform(10, 10);
ig.FillEllipse(new SolidBrush(col), 60, 140, 60, 30);
ig.FillPolygon(new SolidBrush(col), fillpoly, FillMode.Alternate);
ig.ResetTransform();
ig.FillPie(new SolidBrush(Color.FromArgb(100, 255, 0, 0)), 10, 200, 200, 80, 315, 90);
ig.FillPie(new SolidBrush(Color.FromArgb(100, 128, 128, 0)), 10, 200, 200, 80, 250, -90);
ig.FillPie(new SolidBrush(Color.FromArgb(100, 128, 0, 128)), 15, 205, 190, 70, 180, 270);
ig.FillPie(new SolidBrush(Color.FromArgb(100, 200, 60, 60)), 20, 210, 180, 60, 45, -270);
}
else if (s == "Fills")
{
LinearGradientBrush gbr1 = new LinearGradientBrush(new Point(0, 0), new Point(30, 20), Color.Blue, Color.Plum);
ColorBlend blend = new ColorBlend(3);
blend.Colors = new Color[] { Color.Red, Color.Yellow, Color.MediumSlateBlue };
blend.Positions = new float[] { 0, .3f, 1f };
gbr1.InterpolationColors = blend;
Point[] sp = new Point[]
{
new Point(145, 145),
new Point(305, 250),
new Point(220, 250),
new Point(180, 250)
};
ig.FillPolygon(gbr1, sp);
LinearGradientBrush gbr2 = new LinearGradientBrush(new Point(0, 0), new Point(10, 20), Color.WhiteSmoke, Color.CornflowerBlue);
gbr2.WrapMode = WrapMode.TileFlipXY;
Point[] sp2 = new Point[]
{
new Point(25, 205),
new Point(75, 150),
new Point(110, 110),
new Point(40, 80)
};
ig.FillPolygon(gbr2, sp2);
ig.FillRectangle(new HatchBrush(HatchStyle.DiagonalBrick, Color.Khaki, Color.Peru), 000, 5, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Vertical, Color.Bisque, Color.Peru), 020, 5, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.DarkVertical, Color.Tan, Color.Peru), 040, 5, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.DiagonalCross, Color.Chocolate, Color.Peru), 060, 5, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.WideDownwardDiagonal, Color.BurlyWood, Color.Peru), 080, 5, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.LargeConfetti, Color.Wheat, Color.Peru), 100, 5, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.ZigZag, Color.SaddleBrown, Color.Peru), 120, 5, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.HorizontalBrick, Color.Linen, Color.Peru), 140, 5, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.LightHorizontal, Color.Maroon, Color.Peru), 160, 5, 20, 20);
ig.FillRectangle(gbr1, 200, 5, 20, 20);
ig.FillRectangle(gbr2, 220, 5, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent05, Color.CornflowerBlue, Color.LemonChiffon), 000, 30, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent10, Color.CornflowerBlue, Color.LemonChiffon), 020, 30, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent20, Color.CornflowerBlue, Color.LemonChiffon), 040, 30, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent25, Color.CornflowerBlue, Color.LemonChiffon), 060, 30, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent30, Color.CornflowerBlue, Color.LemonChiffon), 080, 30, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent40, Color.CornflowerBlue, Color.LemonChiffon), 100, 30, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent50, Color.CornflowerBlue, Color.LemonChiffon), 120, 30, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent60, Color.CornflowerBlue, Color.LemonChiffon), 140, 30, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent70, Color.CornflowerBlue, Color.LemonChiffon), 160, 30, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent75, Color.CornflowerBlue, Color.LemonChiffon), 180, 30, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent80, Color.CornflowerBlue, Color.LemonChiffon), 200, 30, 20, 20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent90, Color.CornflowerBlue, Color.LemonChiffon), 220, 30, 20, 20);
}
else if (s == "Arcs/Pies")
{
//GDI does not seem to draw arcs correctly except when the ellipse is a circle.
//These arcs demonstrate the problem. SVGGraphics calculates arcs correctly.
ig.DrawArc(new Pen(Color.Black, 2.7f), 120 + 5 * 3, 120, 110 * 3, 110, 0, 240);
ig.DrawArc(new Pen(Color.Black, 2.7f), 120 + 10 * 3, 125, 100 * 3, 100, 0, 210);
ig.DrawArc(new Pen(Color.Black, 2.7f), 120 + 15 * 3, 130, 90 * 3, 90, 0, 180);
ig.DrawArc(new Pen(Color.Black, 2.7f), 120 + 20 * 3, 135, 80 * 3, 80, 0, 150);
ig.DrawArc(new Pen(Color.Black, 2.7f), 120 + 25 * 3, 140, 70 * 3, 70, 0, 120);
ig.DrawArc(new Pen(Color.Black, 2.7f), 120 + 30 * 3, 145, 60 * 3, 60, 0, 90);
ig.DrawArc(new Pen(Color.Black, 2.7f), 120 + 35 * 3, 150, 50 * 3, 50, 0, 60);
ig.DrawArc(new Pen(Color.Black, 2.7f), 120 + 40 * 3, 155, 40 * 3, 40, 0, 270);
ig.DrawPie(new Pen(Color.Pink, 2.7f), 110, 50, 100, 100, 315, 90);
ig.DrawPie(new Pen(Color.Purple, 2.7f), 110, 50, 100, 100, 250, -90);
ig.DrawPie(new Pen(Color.DarkRed, 2.7f), 115, 55, 90, 90, 180, 270);
ig.DrawPie(new Pen(Color.Red, 2.7f), 120, 60, 80, 80, 45, -270);
}
else if (s == "Text")
{
Font fnt1 = new Font("Helvetica", 12, FontStyle.Italic | FontStyle.Bold);
Font fnt2 = new Font(FontFamily.GenericMonospace, 16, FontStyle.Bold);
Font fnt3 = new Font("", 40, FontStyle.Underline);
Rectangle rc1 = new Rectangle(30, 30, 220, 20);
StringFormat fmt1 = new StringFormat();
fmt1.Alignment = StringAlignment.Near;
ig.DrawRectangle(new Pen(Color.Blue), rc1);
ig.DrawString("Text...1", fnt1, new SolidBrush(Color.DarkGreen), rc1, fmt1);
Rectangle rc2 = new Rectangle(0, 0, 120, 20);
StringFormat fmt2 = new StringFormat();
fmt2.Alignment = StringAlignment.Center;
ig.TranslateTransform(30, 160);
ig.RotateTransform(90);
ig.DrawRectangle(new Pen(Color.Blue), rc2);
ig.DrawString("Text...2", fnt2, new SolidBrush(Color.DarkGreen), rc2, fmt2);
ig.ResetTransform();
Rectangle rc3 = new Rectangle(30, 90, 300, 30);
StringFormat fmt3 = new StringFormat();
fmt3.Alignment = StringAlignment.Far;
ig.DrawRectangle(new Pen(Color.Blue), rc3);
ig.DrawString("Text...3", fnt3, new SolidBrush(Color.DarkGreen), rc3, fmt3);
//measurestring
const string mme = "MeasureString Is Impossible To Emulate";
SizeF siz = ig.MeasureString(mme, fnt1);
ig.DrawRectangle(new Pen(Color.Red), 20, 200, siz.Width, siz.Height);
siz = ig.MeasureString(mme, fnt1, 150);
ig.DrawRectangle(new Pen(Color.Orange), 20, 230, siz.Width, siz.Height);
siz = ig.MeasureString(mme, fnt1, new SizeF(150, 150), new StringFormat(StringFormatFlags.DirectionVertical));
ig.DrawRectangle(new Pen(Color.Yellow), 20, 200, siz.Width, siz.Height);
}
else if (s == "Rect-aligned Text")
{
ig.Clear(Color.White);
ig.ScaleTransform(
(float)panel1.ClientSize.Width / RectAlignedTextTest.CanvasSize,
(float)panel1.ClientSize.Height / RectAlignedTextTest.CanvasSize);
RectAlignedTextTest.DrawTest(ig);
}
else if (s == "Images")
{
Icon ike = new Icon(GetType(), "App.ico");
ig.DrawIcon(ike, 10, 10);
//ig.DrawIcon(ike, new Rectangle(270, 400, 30, 40));
Bitmap bmp = new Bitmap(GetType(), "test.bmp");
ig.DrawImage(bmp, 100f, 150f);
GraphicsContainer cnt = ig.BeginContainer();
ig.RotateTransform(5);
ig.DrawImage(bmp, 160f, 50f, 120f, 70f);
ig.EndContainer(cnt);
//ig.DrawImageUnscaled(bmp, 270, 450, 20, 20);
}
else if (s == "Path")
{
/* The following example GraphicsPath code comes from the MSDN docs on the GraphicsPathIterator class
* https://msdn.microsoft.com/en-us/library/79k451ts.aspx
*
*/
// Create a graphics path.
GraphicsPath myPath = new GraphicsPath();
// Set up primitives to add to myPath.
Point[] myPoints = { new Point(20, 20), new Point(120, 120), new Point(20, 120), new Point(20, 20) };
Rectangle myRect = new Rectangle(120, 120, 100, 100);
// Add 3 lines, a rectangle, an ellipse, and 2 markers.
myPath.AddLines(myPoints);
myPath.SetMarkers();
myPath.AddRectangle(myRect);
myPath.SetMarkers();
myPath.AddEllipse(220, 220, 100, 100);
ig.DrawPath(new Pen(Color.Black, 1.7f), myPath);
LinearGradientBrush gbr2 = new LinearGradientBrush(new Point(0, 0), new Point(10, 20), Color.WhiteSmoke, Color.CornflowerBlue);
gbr2.WrapMode = WrapMode.TileFlipXY;
ig.FillPath(gbr2, myPath);
GraphicsPath myPath2 = new GraphicsPath();
myPath2.AddLine(100, 100, 130, 120);
myPath2.AddEllipse(120, 120, 120, 140);
myPath2.AddBezier(130, 160, 170, 160, 150, 130, 200, 110);
ig.DrawPath(new Pen(Color.Blue, 1.7f), myPath2);
}
else if (s == "Path 2 (Slow)")
{
SolidBrush mySolidBrush = new SolidBrush(Color.Aqua);
GraphicsPath myGraphicsPath = new GraphicsPath();
Point[] myPointArray =
{
new Point(15, 20),
new Point(20, 40),
new Point(50, 30)
};
FontFamily myFontFamily = new FontFamily("Times New Roman");
PointF myPointF = new PointF(50, 20);
StringFormat myStringFormat = new StringFormat();
myGraphicsPath.AddArc(0, 0, 30, 20, -90, 180);
myGraphicsPath.AddCurve(myPointArray);
myGraphicsPath.AddString("a string in a path filled", myFontFamily,
0, 24, myPointF, myStringFormat);
myGraphicsPath.AddPie(230, 10, 40, 40, 40, 110);
ig.FillPath(mySolidBrush, myGraphicsPath);
ig.DrawPath(new Pen(Color.Green, 1.7f), myGraphicsPath);
}
else
{
throw new NotImplementedException();
}
}
private static void RenderLines(IGraphics ig)
{
ig.SmoothingMode = SmoothingMode.AntiAlias;
var ow = new Pen(Color.Purple, 12.6f)
{
EndCap = LineCap.Round,
StartCap = LineCap.Round,
MiterLimit = 6f,
LineJoin = LineJoin.Miter
};
ig.SmoothingMode = SmoothingMode.None;
var tp = new Pen(Color.Red, 2.7f)
{
DashStyle = DashStyle.DashDot
};
ig.DrawLine(tp, 70, 20, 190, 20);
tp.DashStyle = DashStyle.Dash;
ig.DrawLine(tp, 70, 30, 190, 30);
tp.DashStyle = DashStyle.Custom;
tp.DashPattern = new float[] { 1, 8, 2, 2 };
ig.DrawLine(tp, 70, 40, 190, 40);
ig.SmoothingMode = SmoothingMode.AntiAlias;
var pts = new PointF[4];
pts[0] = new PointF(20, 50);
pts[1] = new PointF(30, 90);
pts[2] = new PointF(65, 60);
pts[3] = new PointF(50, 40);
ig.DrawLines(ow, pts);
var polly = new Point[]
{
new Point(200, 40),
new Point(220, 140),
new Point(240, 100),
new Point(290, 70),
new Point(230, 10)
};
ig.DrawPolygon(tp, polly);
//arrows
var arr = new Pen(Color.DarkGoldenrod, 5.7f);
{
arr.Width = 2;
arr.StartCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;
const float arrowWidth = 11.0f; // TUNE:
const float arrowHeight = 14f; // TUNE:
var arrowOutline = new System.Drawing.Drawing2D.GraphicsPath();
arrowOutline.AddLines(new PointF[] {
new PointF(-(arrowWidth / 2), -arrowHeight),
new PointF(0, 0),
new PointF(arrowWidth / 2, -arrowHeight),
new PointF(-(arrowWidth / 2), -arrowHeight)
});
var generalizationArrow = new System.Drawing.Drawing2D.CustomLineCap(null, arrowOutline);
generalizationArrow.SetStrokeCaps(System.Drawing.Drawing2D.LineCap.Round, System.Drawing.Drawing2D.LineCap.Round);
generalizationArrow.BaseInset = arrowHeight;
arr.CustomEndCap = generalizationArrow;
ig.DrawLine(arr, 0, 120, 100, 200);
}
arr.Width = 5;
var aac = new AdjustableArrowCap(5, 3, false);
arr.EndCap = LineCap.Custom;
arr.CustomEndCap = aac;
arr.StartCap = LineCap.ArrowAnchor;
ig.DrawLine(arr, 50, 120, 150, 200);
arr.Width = 7f;
arr.EndCap = LineCap.RoundAnchor;
arr.StartCap = LineCap.SquareAnchor;
ig.DrawLine(arr, 100, 120, 200, 200);
arr.Width = 9;
arr.EndCap = LineCap.DiamondAnchor;
arr.StartCap = LineCap.ArrowAnchor;
ig.DrawLine(arr, 150, 120, 250, 200);
var al = new Point[]
{
new Point(200, 100),
new Point(300, 200),
new Point(300, 150)
};
arr.Width = 9;
arr.EndCap = LineCap.DiamondAnchor;
arr.StartCap = LineCap.DiamondAnchor;
ig.DrawLines(arr, al);
}
private void Render(IGraphics ig)
{
string s = cbWhat.Text;
if (String.IsNullOrEmpty(s))
{
}
else if (s == "Clipping")
{
Pen pn = new Pen(Color.LightGray, 5);
Pen pn2 = new Pen(Color.Yellow);
ig.Clear(Color.Black);
GraphicsContainer cnt = ig.BeginContainer();
ig.SmoothingMode = SmoothingMode.HighQuality;
ig.SetClip(new Rectangle(35,35,120,120));
ig.DrawRectangle(pn, 5,5,45,70);
ig.DrawRectangle(pn, 15,25,90,120);
ig.DrawRectangle(pn, 50,30,100,170);
ig.DrawRectangle(pn, 5,80,180,30);
ig.DrawRectangle(pn, 75,10,40,160);
ig.EndContainer(cnt);
ig.DrawRectangle(pn2, 5,5,45,70);
ig.DrawRectangle(pn2, 15,25,90,120);
ig.DrawRectangle(pn2, 50,30,100,170);
ig.DrawRectangle(pn2, 5,80,180,30);
ig.DrawRectangle(pn2, 75,10,40,160);
}
else if (s == "Transforms")
{
ig.Clear(Color.Black);
ig.RotateTransform(15);
ig.DrawRectangle(new Pen(Color.Red,2), 260,80,50,40);
ig.ResetTransform();
ig.DrawRectangle(new Pen(Color.Red,2), 260,80,50,40);
ig.TranslateTransform(15,-5);
GraphicsContainer cnt = ig.BeginContainer();
ig.SmoothingMode = SmoothingMode.HighQuality;
ig.RotateTransform(5);
ig.FillEllipse(new SolidBrush(Color.Orange), 100,100,80,40);
ig.DrawRectangle(new Pen(Color.Orange,2), 60,80,40,40);
GraphicsContainer cnt2 = ig.BeginContainer();
ig.SmoothingMode = SmoothingMode.None;
ig.RotateTransform(5);
ig.ScaleTransform(1.1f, 1.2f);
ig.FillEllipse(new SolidBrush(Color.YellowGreen), 130,180,80,40);
ig.DrawRectangle(new Pen(Color.YellowGreen,2), 62,80,40,40);
GraphicsContainer cnt3 = ig.BeginContainer();
ig.SmoothingMode = SmoothingMode.HighQuality;
Matrix mm = new Matrix();
mm.Shear(0.3f, 0f);
ig.Transform = mm;
ig.FillEllipse(new SolidBrush(Color.Green), 180,120,80,40);
ig.DrawRectangle(new Pen(Color.Green,2), 62,84,40,40);
ig.EndContainer(cnt3);
ig.EndContainer(cnt2);
ig.FillEllipse(new SolidBrush(Color.Blue), 120,150,80,40);
ig.DrawRectangle(new Pen(Color.Blue,2), 64,80,40,40);
ig.EndContainer(cnt);
ig.FillEllipse(new SolidBrush(Color.Indigo), 80,210,80,40);
ig.DrawRectangle(new Pen(Color.Indigo,2), 66,80,40,40);
ig.DrawRectangle(new Pen(Color.White,2), 270,30,50,40);
ig.ResetTransform();
ig.DrawRectangle(new Pen(Color.White,2), 270,30,50,40);
}
else if (s == "Lines")
{
ig.SmoothingMode = SmoothingMode.AntiAlias;
Pen ow = new Pen(Color.Purple, 12);
ow.EndCap = LineCap.Round;
ow.StartCap = LineCap.Round;
ow.MiterLimit = 6f;
ow.LineJoin = LineJoin.Miter;
ig.SmoothingMode = SmoothingMode.None;
Pen tp = new Pen(Color.Red, 2);
tp.DashStyle = DashStyle.DashDot;
ig.DrawLine(tp, 70,20,190,20);
tp.DashStyle = DashStyle.Dash;
ig.DrawLine(tp, 70,30,190,30);
tp.DashStyle = DashStyle.Custom;
tp.DashPattern = new float[] {1,8,2,2};
ig.DrawLine(tp, 70,40,190,40);
ig.SmoothingMode = SmoothingMode.AntiAlias;
PointF[] pts = new PointF[4];
pts[0] = new PointF(20,50);
pts[1] = new PointF(30,90);
pts[2] = new PointF(65,60);
pts[3] = new PointF(50,40);
ig.DrawLines(ow, pts);
Point[] polly = new Point[]
{
new Point(200, 40),
new Point(220, 140),
new Point(240, 100),
new Point(290, 70),
new Point(230, 10)
};
ig.DrawPolygon(tp, polly);
//arrows
Pen arr = new Pen(Color.DarkGoldenrod, 5);
{
arr.Width = 2;
arr.StartCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;
var arrowWidth = 11.0f; // TUNE:
var arrowHeight = 14f; // TUNE:
var arrowOutline = new System.Drawing.Drawing2D.GraphicsPath();
arrowOutline.AddLines(new PointF[] {
new PointF(-(arrowWidth / 2), -arrowHeight),
new PointF(0, 0),
new PointF((arrowWidth / 2), -arrowHeight),
new PointF(-(arrowWidth / 2), -arrowHeight)
});
var generalizationArrow = new System.Drawing.Drawing2D.CustomLineCap(null, arrowOutline);
generalizationArrow.SetStrokeCaps(System.Drawing.Drawing2D.LineCap.Round, System.Drawing.Drawing2D.LineCap.Round);
generalizationArrow.BaseInset = arrowHeight;
arr.CustomEndCap = generalizationArrow;
ig.DrawLine(arr, 0, 120, 100, 200);
}
arr.Width = 5;
AdjustableArrowCap aac = new AdjustableArrowCap(5,3, false);
arr.EndCap = LineCap.Custom;
arr.CustomEndCap = aac;
arr.StartCap = LineCap.ArrowAnchor;
ig.DrawLine(arr, 50,120, 150,200);
arr.Width = 7f;
arr.EndCap = LineCap.RoundAnchor;
arr.StartCap = LineCap.SquareAnchor;
ig.DrawLine(arr, 100,120, 200,200);
arr.Width = 9;
arr.EndCap = LineCap.DiamondAnchor;
arr.StartCap = LineCap.ArrowAnchor;
ig.DrawLine(arr, 150,120, 250,200);
Point[] al = new Point[]
{
new Point(200, 100),
new Point(300, 200),
new Point(300, 150)
};
arr.Width = 9;
arr.EndCap = LineCap.DiamondAnchor;
arr.StartCap = LineCap.DiamondAnchor;
ig.DrawLines(arr, al);
}
else if (s == "Curves")
{
PointF[] bezzie = new PointF[]
{
new PointF(20, 150),
new PointF(110, 190),
new PointF(120, 200),
new PointF(50, 220),
new PointF(60, 200),
new PointF(140, 180),
new PointF(100, 160),
new PointF(180, 260),
new PointF(200, 210),
new PointF(190, 210)
};
Pen bpn = new Pen(Color.MediumSeaGreen, 2);
bpn.DashStyle = DashStyle.Custom;
bpn.DashPattern = new float[]{6,1,5,2,4,3,3,4,2,5,6,1};
ig.DrawBeziers(bpn, bezzie);
PointF[] curvy = new PointF[]
{
new PointF(130, 40),
new PointF(70, 70),
new PointF(50, 20),
new PointF(120, 120),
new PointF(150, 80),
new PointF(80, 150),
new PointF(80, 110)
};
ig.DrawCurve(new Pen(Color.Blue, 5), curvy);
ig.DrawCurve(new Pen(Color.Red, 2), curvy, 2, 3);
ig.DrawCurve(new Pen(Color.Yellow, 1), curvy, 1f);
Point[] ccurvy = new Point[]
{
new Point(280, 30),
new Point(260, 60),
new Point(200, 20),
new Point(290, 120),
new Point(290, 80),
new Point(230, 150),
new Point(150, 50)
};
ig.DrawClosedCurve(new Pen(Color.Green, 3), ccurvy, 1f, FillMode.Alternate);
ig.DrawClosedCurve(new Pen(Color.Purple, 1), ccurvy, 0f, FillMode.Alternate);
Point[] fcc = new Point[]
{
new Point(160, 350),
new Point(190, 370),
new Point(130, 390),
new Point(190, 400),
new Point(195, 410),
new Point(100, 430),
new Point(160, 450)
};
ig.FillClosedCurve(new SolidBrush(Color.Red), fcc, FillMode.Winding, 1f);
ig.FillClosedCurve(new SolidBrush(Color.Aquamarine), fcc, FillMode.Alternate, .2f);
}
else if (s == "Transparency")
{
Point[] fillpoly = new Point[]
{
new Point(20, 130),
new Point(60, 90),
new Point(30, 20),
new Point(80, 20),
new Point(15, 90),
new Point(100, 50),
new Point(0, 50)
};
Color col = Color.FromArgb(96,255,0,0);
ig.FillEllipse(new SolidBrush(Color.Ivory), 60, 140, 60, 30);
ig.FillPolygon(new SolidBrush(Color.Ivory), fillpoly, FillMode.Winding);
ig.TranslateTransform(10,10);
ig.FillEllipse(new SolidBrush(col), 60, 140, 60, 30);
ig.FillPolygon(new SolidBrush(col), fillpoly, FillMode.Alternate);
ig.ResetTransform();
ig.FillPie(new SolidBrush(Color.FromArgb(100,255,0,0)), 10, 200, 200, 80, 315, 90);
ig.FillPie(new SolidBrush(Color.FromArgb(100,128,128,0)), 10, 200, 200, 80, 250, -90);
ig.FillPie(new SolidBrush(Color.FromArgb(100,128,0,128)), 15, 205, 190, 70, 180, 270);
ig.FillPie(new SolidBrush(Color.FromArgb(100,200,60,60)), 20, 210, 180, 60, 45, -270);
}
else if (s == "Fills")
{
LinearGradientBrush gbr1 = new LinearGradientBrush(new Point(0,0), new Point(30,20), Color.Blue, Color.Plum);
ColorBlend blend = new ColorBlend(3);
blend.Colors = new Color[] {Color.Red, Color.Yellow, Color.MediumSlateBlue};
blend.Positions = new float[] {0, .3f, 1f};
gbr1.InterpolationColors = blend;
Point[] sp = new Point[]
{
new Point(145, 145),
new Point(305, 250),
new Point(220, 250),
new Point(180, 250)
};
ig.FillPolygon(gbr1, sp);
LinearGradientBrush gbr2 = new LinearGradientBrush(new Point(0,0), new Point(10,20), Color.WhiteSmoke, Color.CornflowerBlue);
gbr2.WrapMode = WrapMode.TileFlipXY;
Point[] sp2 = new Point[]
{
new Point(25, 205),
new Point(75, 150),
new Point(110, 110),
new Point(40, 80)
};
ig.FillPolygon(gbr2, sp2);
ig.FillRectangle(new HatchBrush(HatchStyle.DiagonalBrick, Color.Khaki, Color.Peru), 000,5,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Vertical, Color.Bisque, Color.Peru), 020,5,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.DarkVertical, Color.Tan, Color.Peru), 040,5,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.DiagonalCross, Color.Chocolate, Color.Peru), 060,5,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.WideDownwardDiagonal, Color.BurlyWood, Color.Peru), 080,5,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.LargeConfetti, Color.Wheat, Color.Peru), 100,5,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.ZigZag, Color.SaddleBrown, Color.Peru), 120,5,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.HorizontalBrick, Color.Linen, Color.Peru), 140,5,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.LightHorizontal, Color.Maroon, Color.Peru), 160,5,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent05, Color.CornflowerBlue, Color.LemonChiffon), 000,30,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent10, Color.CornflowerBlue, Color.LemonChiffon), 020,30,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent20, Color.CornflowerBlue, Color.LemonChiffon), 040,30,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent25, Color.CornflowerBlue, Color.LemonChiffon), 060,30,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent30, Color.CornflowerBlue, Color.LemonChiffon), 080,30,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent40, Color.CornflowerBlue, Color.LemonChiffon), 100,30,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent50, Color.CornflowerBlue, Color.LemonChiffon), 120,30,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent60, Color.CornflowerBlue, Color.LemonChiffon), 140,30,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent70, Color.CornflowerBlue, Color.LemonChiffon), 160,30,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent75, Color.CornflowerBlue, Color.LemonChiffon), 180,30,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent80, Color.CornflowerBlue, Color.LemonChiffon), 200,30,20,20);
ig.FillRectangle(new HatchBrush(HatchStyle.Percent90, Color.CornflowerBlue, Color.LemonChiffon), 220,30,20,20);
}
else if (s == "Arcs/Pies")
{
//GDI does not seem to draw arcs correctly except when the ellipse is a circle.
//These arcs demonstrate the problem. SVGGraphics calculates arcs correctly.
ig.DrawArc(new Pen(Color.Black, 2), 120+5*3, 120, 110*3, 110, 0, 240);
ig.DrawArc(new Pen(Color.Black, 2), 120+10*3, 125, 100*3, 100, 0, 210);
ig.DrawArc(new Pen(Color.Black, 2), 120+15*3, 130, 90*3, 90, 0, 180);
ig.DrawArc(new Pen(Color.Black, 2), 120+20*3, 135, 80*3, 80, 0, 150);
ig.DrawArc(new Pen(Color.Black, 2), 120+25*3, 140, 70*3, 70, 0, 120);
ig.DrawArc(new Pen(Color.Black, 2), 120+30*3, 145, 60*3, 60, 0, 90);
ig.DrawArc(new Pen(Color.Black, 2), 120+35*3, 150, 50*3, 50, 0, 60);
ig.DrawArc(new Pen(Color.Black, 2), 120+40*3, 155, 40*3, 40, 0, 270);
ig.DrawPie(new Pen(Color.Pink, 2), 110, 50, 100, 100, 315, 90);
ig.DrawPie(new Pen(Color.Purple, 2), 110, 50, 100, 100, 250, -90);
ig.DrawPie(new Pen(Color.DarkRed, 2), 115, 55, 90, 90, 180, 270);
ig.DrawPie(new Pen(Color.Red, 2), 120, 60, 80, 80, 45, -270);
}
else if (s == "Text")
{
Font fnt1 = new Font("Helvetica", 12, FontStyle.Italic | FontStyle.Bold);
Font fnt2 = new Font(FontFamily.GenericMonospace, 16, FontStyle.Bold);
Font fnt3 = new Font("", 40, FontStyle.Underline);
Rectangle rc1 = new Rectangle(30, 30, 220,20);
StringFormat fmt1= new StringFormat();
fmt1.Alignment = StringAlignment.Near;
ig.DrawRectangle(new Pen(Color.Blue), rc1);
ig.DrawString("Text...1", fnt1, new SolidBrush(Color.DarkGreen), rc1, fmt1);
Rectangle rc2 = new Rectangle(0,0, 120,20);
StringFormat fmt2= new StringFormat();
fmt2.Alignment = StringAlignment.Center;
ig.TranslateTransform(30,160);
ig.RotateTransform(90);
ig.DrawRectangle(new Pen(Color.Blue), rc2);
ig.DrawString("Text...2", fnt2, new SolidBrush(Color.DarkGreen), rc2, fmt2);
ig.ResetTransform();
Rectangle rc3 = new Rectangle(30, 90, 300,30);
StringFormat fmt3= new StringFormat();
fmt3.Alignment = StringAlignment.Far;
ig.DrawRectangle(new Pen(Color.Blue), rc3);
ig.DrawString("Text...3", fnt3, new SolidBrush(Color.DarkGreen), rc3, fmt3);
//measurestring
string mme = "MeasureString Is Impossible To Emulate";
SizeF siz = ig.MeasureString(mme, fnt1);
ig.DrawRectangle(new Pen(Color.Red), 20, 200, siz.Width, siz.Height);
siz = ig.MeasureString(mme, fnt1, 150);
ig.DrawRectangle(new Pen(Color.Orange), 20, 230, siz.Width, siz.Height);
siz = ig.MeasureString(mme, fnt1, new SizeF(150, 150), new StringFormat(StringFormatFlags.DirectionVertical));
ig.DrawRectangle(new Pen(Color.Yellow), 20, 200, siz.Width, siz.Height);
}
else if (s == "Rect-aligned Text")
{
ig.Clear(Color.White);
ig.ScaleTransform(
(float)this.panel1.ClientSize.Width / RectAlignedTextTest.CanvasSize,
(float)this.panel1.ClientSize.Height / RectAlignedTextTest.CanvasSize);
RectAlignedTextTest.DrawTest(ig);
}
else if (s == "Images")
{
Icon ike = new Icon(GetType(), "App.ico");
ig.DrawIcon(ike, 10,10);
//ig.DrawIcon(ike, new Rectangle(270, 400, 30, 40));
Bitmap bmp = new Bitmap(GetType(), "test.bmp");
ig.DrawImage(bmp, 100f, 150f);
GraphicsContainer cnt = ig.BeginContainer();
ig.RotateTransform(5);
ig.DrawImage(bmp, 160f, 50f, 120f, 70f);
ig.EndContainer(cnt);
//ig.DrawImageUnscaled(bmp, 270, 450, 20, 20);
}
else
{
throw new NotImplementedException();
}
}
private CustomLineCap GetClone(Pen pen, float size)
{
float endPoint;
endPoint = pen.Width == 0 ? 1 : size / pen.Width;
endPoint /= 2;
if (endPoint <= 0)
endPoint = 1e-3f;
GraphicsPath hPath = new GraphicsPath();
var r = endPoint / (2 * Math.Sin(_designAngle * (Math.PI / 180)));
var b = r - r * Math.Cos(_designAngle * (Math.PI / 180));
var h = endPoint / 2;
// Create the outline for our custom end cap.
hPath.AddArc(
(float)(-r - h), (float)(-b),
(float)(2 * r), (float)(2 * r),
(float)(-90 - _designAngle), (float)(2 * _designAngle));
hPath.AddArc(
(float)(h - r), (float)(b - 1.999999 * r),
(float)(2 * r), (float)(2 * r),
(float)(90 + _designAngle), (float)(-2 * _designAngle));
CustomLineCap clone = new CustomLineCap(null, hPath); // we set the stroke path only
clone.SetStrokeCaps(LineCap.Flat, LineCap.Flat);
return clone;
}
private static bool drawCirclePicture(bool isVertical, string picturePath,
double azimuth, double azimuth_step, double sa_rbw,
Dictionary<ChannelSetting, WatsEmiData> channelSamples,
LimitSetting limitSetting)
{
try
{
Bitmap bmp = new Bitmap(300, 260);
Graphics gs = Graphics.FromImage(bmp);
Metafile mf = new Metafile(picturePath, gs.GetHdc());
Graphics g = Graphics.FromImage(mf);
using (Brush backgroundBrush = new SolidBrush(Color.White))
{
g.FillRectangle(backgroundBrush, 0, 0, 300, 260);
}
using (Pen circlePen = new Pen(Color.Blue, 3.0f))
{
g.DrawEllipse(circlePen, 45, 25, 210, 210);
}
ChannelPower power;
ChannelPowerSpectrum spectrum;
List<ChannelPowerSpectrum> spectrums = new List<ChannelPowerSpectrum>();
foreach (KeyValuePair<ChannelSetting, WatsEmiData> pair in channelSamples)
{
power = new ChannelPower(sa_rbw, pair.Key, limitSetting, pair.Value);
spectrum = new ChannelPowerSpectrum();
spectrum.startFreq = pair.Key.StartFreq;
spectrum.endFreq = pair.Key.EndFreq;
spectrum.isValidPower = (isVertical ? power.IsValidVPower : power.IsValidHPower);
spectrums.Add(spectrum);
power = new ChannelPower(sa_rbw, pair.Key.Pair, limitSetting, pair.Value);
spectrum = new ChannelPowerSpectrum();
spectrum.startFreq = pair.Key.Pair.StartFreq;
spectrum.endFreq = pair.Key.Pair.EndFreq;
spectrum.isValidPower = (isVertical ? power.IsValidVPairPower : power.IsValidHPairPower);
spectrums.Add(spectrum);
}
spectrums.Sort(SortSpectrumByStartFreq);
float freqSpan = (float)(spectrums[0].endFreq - spectrums[spectrums.Count - 1].startFreq);
int length;
Rectangle rect;
Color color;
float drawAzimuth;
for (int i = 0; i < spectrums.Count; i++)
{
if (azimuth >= 0 && azimuth <= 90)
drawAzimuth = (float)azimuth - 90;
else if (azimuth >= 90 && azimuth <= 180)
drawAzimuth = (float)azimuth - 90;
else if (azimuth >= 180 && azimuth <= 270)
drawAzimuth = (float)azimuth - 90;
else
drawAzimuth = (float)azimuth - 450;
Debug.WriteLine(spectrums[i].startFreq + " - " + spectrums[i].endFreq);
color = spectrums[i].isValidPower ? Color.Green : Color.Red;
using (Brush brush = new SolidBrush(color))
{
length = 2 * (int)(100 * (spectrums[i].endFreq - spectrums[spectrums.Count - 1].startFreq) / freqSpan);
rect = new Rectangle((300 - length) / 2, (260 - length) /2, length, length);
g.FillPie(brush, rect, (float)(drawAzimuth - azimuth_step / 2), (float)azimuth_step);
}
if (i != spectrums.Count - 1)
{
using (Brush whiteBrush = new SolidBrush(Color.White))
{
length = 2 * (int)(100 * (spectrums[i].startFreq - spectrums[spectrums.Count - 1].startFreq) / freqSpan);
rect = new Rectangle((300 - length) / 2, (260 - length) / 2, length, length);
g.FillPie(whiteBrush, rect, (float)(drawAzimuth - azimuth_step / 2), (float)azimuth_step);
}
using (Pen seperateCirclePen = new Pen(Color.White, 1.0f))
{
length = 2 * (int)(100 * (spectrums[i].endFreq - spectrums[spectrums.Count - 1].startFreq) / freqSpan);
rect = new Rectangle((300 - length) / 2, (260 - length) / 2, length, length);
g.DrawArc(seperateCirclePen, rect, (float)(drawAzimuth - azimuth_step / 2), (float)azimuth_step);
}
}
}
using (Pen directionPen = new Pen(Color.Blue, 2.0f))
{
Point[] pt = new Point[]{new Point(50, 50), new Point(50, -50)};
GraphicsPath strokePath = new GraphicsPath();
strokePath.AddLine(new Point(0, 0), new Point(0, 5));
strokePath.AddLine(new Point(0, 5), new Point(3, 0));
strokePath.AddLine(new Point(0, 5), new Point(-3, 0));
CustomLineCap customLineCap = new CustomLineCap(null, strokePath);
customLineCap.SetStrokeCaps(LineCap.Round, LineCap.Round);
directionPen.CustomEndCap = customLineCap;
Point center = new Point(150, 130);
int endX, endY;
int deltX = (int)(Math.Abs(Math.Sin(azimuth * Math.PI / 180)) * 120);
int deltY = (int)(Math.Abs(Math.Cos(azimuth * Math.PI / 180)) * 120);
if (azimuth >= 0 && azimuth <= 90)
{
endX = 150 + deltX;
endY = 130 - deltY;
}
else if (azimuth >= 90 && azimuth <= 180)
{
endX = 150 + deltX;
endY = 130 + deltY;
}
else if (azimuth >= 180 && azimuth <= 270)
{
endX = 150 - deltX;
endY = 130 + deltY;
}
else
{
endX = 150 - deltX;
endY = 130 - deltY;
}
Point end = new Point(endX, endY);
g.DrawLine(directionPen, center, end);
using (Font font = new Font("Times New Roman", 10.0f))
{
string text = azimuth.ToString() + "\x00B0";
SizeF sizef = g.MeasureString(text, font, Int32.MaxValue);
float textX, textY;
if (azimuth >= 0 && azimuth <= 90)
{
textX = end.X - 1;
textY = end.Y - sizef.Height - 10;
}
else if (azimuth >= 90 && azimuth <= 180)
{
textX = end.X - 1;
textY = end.Y + sizef.Height;
}
else if (azimuth >= 180 && azimuth <= 270)
{
textX = end.X - sizef.Width / 2;
textY = end.Y + sizef.Height;
}
else
{
textX = end.X - sizef.Width / 2;
textY = end.Y - sizef.Height - 10;
}
RectangleF rf = new RectangleF(textX, textY, sizef.Width, sizef.Height);
g.DrawString(text, font, Brushes.Blue, rf);
}
}
g.Save();
g.Dispose();
}
catch (System.Exception e)
{
File.Delete("c:\\watsLog.txt");
FileStream fs = new FileStream("c:\\watsLog.txt", FileMode.CreateNew);
StreamWriter sw = new StreamWriter(fs);
sw.WriteLine(e.Message);
sw.WriteLine(e.StackTrace);
sw.Flush();
sw.Close();
fs.Close();
return false;
}
return true;
}
