private void StrokePaths(Vex.StrokeStyle stroke, List <GraphicsPath> paths)
{
Pen p = null;
foreach (GraphicsPath path in paths)
{
if (penOverride != null)
{
g.DrawPath(penOverride, path);
}
else
{
if (stroke is Vex.SolidStroke)
{
Vex.SolidStroke ss = (Vex.SolidStroke)stroke;
p = new Pen(ss.Color.SysColor(), ss.LineWidth);
}
else
{
p = new Pen(Color.Black, 1);
}
p.StartCap = LineCap.Round;
p.EndCap = LineCap.Round;
p.LineJoin = LineJoin.Round;
g.DrawPath(p, path);
p.Dispose();
}
}
}
protected void RenderPath(FillStyle fs, StrokeStyle ss, List<IShapeData> sh, bool silverlight)
{
// <Path Fill="#FFFF0000"
// StrokeThickness="0.00491913" StrokeLineJoin="Round" Stroke="#FF014393"
// Data="M 196.667,4L 388.667,100L 388.667,292L 196.667,388L 4.66669,292L 4.66669,100L 196.667,4 Z "/>
if (sh.Count == 0)
{
return;
}
xw.WriteStartElement("Path");
bool isGradient = false;
bool isTiledBitmap = false;
if (fs != null)
{
if (fs.FillType == FillType.Solid)
{
Color c = ((SolidFill)fs).Color;
xw.WriteStartAttribute("Fill");
xw.WriteColor(c);
xw.WriteEndAttribute();
// try to clean up faint edges
if (ss == null && c != new Color(0xFF,0xFF,0xFF) && c.A != 0)
{
ss = new SolidStroke(0.3F, c);
}
}
else if(
fs.FillType == FillType.Linear ||
fs.FillType == FillType.Radial ||
fs.FillType == FillType.Focal)
{
isGradient = true;
}
else if (fs.FillType == FillType.Image)
{
// Fill="{StaticResource vb_1}"
ImageFill img = (ImageFill)fs;
if (img.IsTiled || silverlight)
{
isTiledBitmap = true;// this causes bitmap to be written inline
}
else
{
string brushName = imageBrushes[img.ImagePath];
xw.WriteStartAttribute("Fill");
xw.WriteValue("{StaticResource " + brushName + "}");
xw.WriteEndAttribute();
}
}
}
if (ss != null)
{
if (ss is SolidStroke)
{
// StrokeThickness="3" StrokeLineJoin="Round" Stroke="#FF014393"
// StrokeStartLineCap="Round"
// StrokeEndLineCap="Round"
SolidStroke st = (SolidStroke)ss;
xw.WriteStartAttribute("StrokeThickness");
xw.WriteFloat(st.LineWidth);
xw.WriteEndAttribute();
xw.WriteStartAttribute("StrokeLineJoin");
xw.WriteString("Round");
xw.WriteEndAttribute();
xw.WriteStartAttribute("StrokeStartLineCap");
xw.WriteString("Round");
xw.WriteEndAttribute();
xw.WriteStartAttribute("StrokeEndLineCap");
xw.WriteString("Round");
xw.WriteEndAttribute();
xw.WriteStartAttribute("Stroke");
xw.WriteColor(st.Color);
xw.WriteEndAttribute();
}
}
float minX = float.PositiveInfinity;
float minY = float.PositiveInfinity;
float maxX = float.NegativeInfinity;
float maxY = float.NegativeInfinity;
xw.WriteStartAttribute("Data");
xw.WriteMoveTo(sh[0].StartPoint);
Point lastPoint = sh[0].StartPoint;
for (int i = 0; i < sh.Count; i++)
{
IShapeData sd = sh[i];
if (lastPoint != sd.StartPoint)
{
xw.WriteMoveTo(sd.StartPoint);
}
switch (sd.SegmentType)
{
case SegmentType.Line:
xw.WriteLineTo(sd.EndPoint);
lastPoint = sd.EndPoint;
break;
case SegmentType.CubicBezier:
CubicBezier cb = (CubicBezier)sd;
xw.WriteCubicCurveTo(cb.Control0, cb.Control1, cb.Anchor1);
lastPoint = cb.EndPoint;
minX = Math.Min(minX, cb.Control0.X);
maxX = Math.Max(maxX, cb.Control0.X);
minY = Math.Min(minY, cb.Control0.Y);
maxY = Math.Max(maxY, cb.Control0.Y);
minX = Math.Min(minX, cb.Control1.X);
maxX = Math.Max(maxX, cb.Control1.X);
minY = Math.Min(minY, cb.Control1.Y);
maxY = Math.Max(maxY, cb.Control1.Y);
break;
case SegmentType.QuadraticBezier:
QuadBezier qb = (QuadBezier)sd;
xw.WriteQuadraticCurveTo(qb.Control, qb.Anchor1);
lastPoint = qb.EndPoint;
minX = Math.Min(minX, qb.Control.X);
maxX = Math.Max(maxX, qb.Control.X);
minY = Math.Min(minY, qb.Control.Y);
maxY = Math.Max(maxY, qb.Control.Y);
break;
}
// need bounds for gradient :(
if (isGradient)
{
minX = Math.Min(minX, sd.StartPoint.X);
maxX = Math.Max(maxX, sd.StartPoint.X);
minY = Math.Min(minY, sd.StartPoint.Y);
maxY = Math.Max(maxY, sd.StartPoint.Y);
minX = Math.Min(minX, sd.EndPoint.X);
maxX = Math.Max(maxX, sd.EndPoint.X);
minY = Math.Min(minY, sd.EndPoint.Y);
maxY = Math.Max(maxY, sd.EndPoint.Y);
}
}
xw.WriteEndAttribute();
if (isGradient)
{
GradientFill gf = (GradientFill)fs;
// need a gradient def here
if (fs.FillType == FillType.Linear)
{
//<Path.Fill>
// <LinearGradientBrush StartPoint="0.14706,0.532137" EndPoint="1.14962,0.55353">
// <LinearGradientBrush.GradientStops>
// <GradientStop Color="#FF4A4A4A" Offset="0"/>
// <GradientStop Color="#FFB0B0B0" Offset="0.412067"/>
// <GradientStop Color="#FFBBBBBB" Offset="0.638141"/>
// <GradientStop Color="#FF545454" Offset="1"/>
// </LinearGradientBrush.GradientStops>
// </LinearGradientBrush>
//</Path.Fill>
xw.WriteStartElement("Path.Fill");
xw.WriteStartElement("LinearGradientBrush");
Matrix m = gf.Transform;
Rectangle r = gf.Rectangle;
ms2.Matrix m2 = new ms2.Matrix(m.ScaleX, m.Rotate0, m.Rotate1, m.ScaleY, m.TranslateX, m.TranslateY);
float midY = r.Point.Y + (r.Size.Height / 2);
ms.PointF pt0 = new ms.PointF(r.Point.X, midY);
ms.PointF pt1 = new ms.PointF(r.Point.X + r.Size.Width, midY);
ms.PointF[] pts = new ms.PointF[]{pt0, pt1};
m2.TransformPoints(pts);
float ratX = 1 / (maxX - minX);
float ratY = 1 / (maxY - minY);
float d0x = (pts[0].X - minX) * ratX;
float d0y = (pts[0].Y - minY) * ratY;
float d1x = (pts[1].X - minX) * ratX;
float d1y = (pts[1].Y - minY) * ratY;
xw.WriteStartAttribute("StartPoint");
xw.WritePoint(new Point(d0x, d0y));
xw.WriteEndAttribute();
xw.WriteStartAttribute("EndPoint");
xw.WritePoint(new Point(d1x, d1y));
xw.WriteEndAttribute();
xw.WriteStartAttribute("SpreadMethod");
xw.WriteValue("Pad");
xw.WriteEndAttribute();
xw.WriteStartElement("LinearGradientBrush.GradientStops");
for (int i = 0; i < gf.Stops.Count; i++)
{
xw.WriteStartElement("GradientStop");
xw.WriteStartAttribute("Color");
xw.WriteColor(gf.Fills[i]);
xw.WriteEndAttribute();
xw.WriteStartAttribute("Offset");
xw.WriteFloat(gf.Stops[i]);
xw.WriteEndAttribute();
xw.WriteEndElement(); // GradientStop
}
xw.WriteEndElement(); // LinearGradientBrush.GradientStops
xw.WriteEndElement(); // LinearGradientBrush
xw.WriteEndElement(); // Path.Fill
}
else if (fs.FillType == FillType.Radial)
{
//<Ellipse.Fill>
// <RadialGradientBrush RadiusX="0.622359" RadiusY="0.604589" Center="0.5,0.5" GradientOrigin="0.5,0.5">
// <RadialGradientBrush.RelativeTransform>
// <TransformGroup/>
// </RadialGradientBrush.RelativeTransform>
// <GradientStop Color="#95000000" Offset="0.347222"/>
// <GradientStop Color="#007877A7" Offset="0.773148"/>
// </RadialGradientBrush>
//</Ellipse.Fill>
xw.WriteStartElement("Path.Fill");
xw.WriteStartElement("RadialGradientBrush");
Matrix m = gf.Transform;
Rectangle r = gf.Rectangle;
ms2.Matrix m2 = new ms2.Matrix(m.ScaleX, m.Rotate0, m.Rotate1, m.ScaleY, m.TranslateX, m.TranslateY);
float midX = r.Point.X + (r.Size.Width / 2);
float midY = r.Point.Y + (r.Size.Height / 2);
ms.PointF pt0 = new ms.PointF(midX, midY); // center
ms.PointF pt1 = new ms.PointF(r.Point.X + r.Size.Width, midY); // radius vector
ms.PointF[] pts = new ms.PointF[] { pt0, pt1 };
m2.TransformPoints(pts);
float ratX = 1 / (maxX - minX);
float ratY = 1 / (maxY - minY);
float d0x = (pts[0].X - minX) * ratX;
float d0y = (pts[0].Y - minY) * ratY;
float d1x = (pts[1].X - pts[0].X);
//float d1y = (pts[1].Y - pts[0].Y) * ratY;
float rad = (float)Math.Sqrt(d1x*d1x);
xw.WriteStartAttribute("RadiusX");
xw.WriteFloat(rad * ratX);
xw.WriteEndAttribute();
xw.WriteStartAttribute("RadiusY");
xw.WriteFloat(rad * ratY);
xw.WriteEndAttribute();
xw.WriteStartAttribute("Center");
xw.WritePoint(new Point(d0x, d0y));
xw.WriteEndAttribute();
xw.WriteStartAttribute("GradientOrigin");
xw.WritePoint(new Point(d0x, d0y));
xw.WriteEndAttribute();
xw.WriteStartAttribute("SpreadMethod");
xw.WriteValue("Pad");
xw.WriteEndAttribute();
//xw.WriteStartElement("RadialGradientBrush.GradientStops");
for (int i = 0; i < gf.Stops.Count; i++)
{
xw.WriteStartElement("GradientStop");
xw.WriteStartAttribute("Color");
xw.WriteColor(gf.Fills[i]);
xw.WriteEndAttribute();
xw.WriteStartAttribute("Offset");
xw.WriteFloat(1 - gf.Stops[i]); // xaml fill is reversed from gdi
xw.WriteEndAttribute();
xw.WriteEndElement(); // GradientStop
}
//xw.WriteEndElement(); // LinearGradientBrush.GradientStops
xw.WriteEndElement(); // LinearGradientBrush
xw.WriteEndElement(); // Path.Fill
}
}
else if(isTiledBitmap)
{
//<Path.Fill>
// <ImageBrush ImageSource="Resources\bmp_1.jpg" TileMode="Tile" RelativeTransform=".2,0,0,.2,0,0"/>
//</Path.Fill>
ImageFill img = (ImageFill)fs;
xw.WriteStartElement("Path.Fill");
xw.WriteStartElement("ImageBrush");
xw.WriteStartAttribute("ImageSource");
xw.WriteValue(img.ImagePath);
xw.WriteEndAttribute();
if (!silverlight)
{
xw.WriteStartAttribute("TileMode");
xw.WriteValue("Tile");
xw.WriteEndAttribute();
}
//xw.WriteStartAttribute("ViewportUnits");
//xw.WriteValue("Absolute");
//xw.WriteEndAttribute();
Matrix pMatrix = ApplyMatrixToShape(sh, img.Matrix, images[img.ImagePath].StrokeBounds);
//Matrix pMatrix = ApplyMatrixToImage(img.Matrix, images[img.ImagePath].Bounds);
xw.WriteStartAttribute("RelativeTransform");
xw.WriteMatrix(pMatrix);
//xw.WriteMatrix(img.Matrix);
xw.WriteEndAttribute();
xw.WriteEndElement(); // Path.Fill
xw.WriteEndElement(); // ImageBrush
}
xw.WriteEndElement(); // Path
}
private void StrokePaths(StrokeStyle stroke, List<GraphicsPath> paths)
{
Pen p = null;
foreach (GraphicsPath path in paths)
{
path.Transform(translateMatrix);
if (stroke is SolidStroke)
{
SolidStroke ss = (SolidStroke)stroke;
p = new Pen(GetColor(ss.Color), ss.LineWidth);
}
else
{
p = new Pen(Ms.Color.Black, 1);
}
p.StartCap = LineCap.Round;
p.EndCap = LineCap.Round;
p.LineJoin = LineJoin.Round;
g.DrawPath(p, path);
p.Dispose();
}
}
public StrokePath(StrokeStyle strokeStyle, IShapeData segment)
{
this.StrokeStyle = strokeStyle;
this.Segment = segment;
}