public void EditPoint(int x, int y, Cairo.PointD offset)
{
int realX = x;
int realY = y;
if (!ConvertPointToCanvasPoint(offset, ref realX, ref realY))
{
return;
}
if (listPoint == null)
{
listPoint = new List <BarierPoint>();
}
BarierPoint bp = new BarierPoint(realX, realY);
BarierPoint nearstBP = BarierPoint.ClosestPoint(bp, listPoint);
double distance = 999;
if (nearstBP != null)
{
distance = BarierPoint.Distance(bp, nearstBP);
}
if (distance < 5.5)
{
StartMovingPoint(x, y, offset);
}
else
{
AddPoint(x, y, offset);
}
}
public static double Distance(BarierPoint p1, BarierPoint p2)
{
double xDist = p1.X - p2.X;
double yDist = p1.Y - p2.Y;
return(Math.Sqrt(xDist * xDist + yDist * yDist));
}
public static int ClosestLine(BarierPoint p, IList <BarierPoint> points)
{
double shortestDistance = Double.PositiveInfinity;
int indexOfPoint = -1;
//foreach (var point in points) {
for (int i = 0; i < points.Count; i++)
{
BarierPoint firstPoint = points[i];
BarierPoint secondPoint;
if (i == points.Count - 1)
{
secondPoint = points[0];
}
else
{
secondPoint = points[i + 1];
}
double distance = FindDistanceToSegment(p, firstPoint, secondPoint);
if (distance < shortestDistance)
{
shortestDistance = distance;
//a = firstPoint;
//b = secondPoint;
indexOfPoint = i + 1;
}
}
return(indexOfPoint);
}
public void AddPoint(int x, int y, Cairo.PointD offset)
{
if (!ConvertPointToCanvasPoint(offset, ref x, ref y))
{
return;
}
if (listPoint == null)
{
listPoint = new List <BarierPoint>();
}
BarierPoint bp = new BarierPoint(x, y);
int indx = BarierPoint.ClosestLine(bp, listPoint);
if (listPoint.Count > 8)
{
}
if ((indx > listPoint.Count - 1) || (indx < 0))
{
listPoint.Add(bp);
}
else
{
listPoint.Insert(indx, bp);
}
GdkWindow.InvalidateRect(new Gdk.Rectangle(drawOffsetX, drawOffsetY, width, height), false);
}
public static BarierPoint ClosestPoint(BarierPoint p, IList<BarierPoint> points)
{
double shortestDistance = Double.PositiveInfinity;
BarierPoint closestPoint = null;
foreach (var point in points) {
double distance = Distance(p, point);
if (distance < shortestDistance) {
shortestDistance = distance;
closestPoint = point;
}
}
return closestPoint;
}
public static BarierPoint ClosestPoint(BarierPoint p, IList <BarierPoint> points)
{
double shortestDistance = Double.PositiveInfinity;
BarierPoint closestPoint = null;
foreach (var point in points)
{
double distance = Distance(p, point);
if (distance < shortestDistance)
{
shortestDistance = distance;
closestPoint = point;
}
}
return(closestPoint);
}
public override object Deserialize( IDictionary<string, object> dictionary,Type type,JavaScriptSerializer serializer )
{
if( type == typeof( BarierPoint ) )
{
var obj = new BarierPoint();
if( dictionary.ContainsKey( "x" ) )
obj.X = serializer.ConvertToType<int>(
dictionary["x"] );
if( dictionary.ContainsKey( "y" ) )
obj.Y = serializer.ConvertToType<int>(
dictionary["y"] );
return obj;
}
return null;
}
public static BarierPoint LastPoint(IList <BarierPoint> points)
{
if (points == null || points.Count < 1)
{
return(null);
}
BarierPoint lastPoint = points[0];
foreach (var point in points)
{
if (lastPoint.Z < point.Z)
{
lastPoint = point;
}
}
return(lastPoint);
}
private static double FindDistanceToSegment(BarierPoint pt, BarierPoint p1, BarierPoint p2) //, out PointF closest)
{
BarierPoint closest = new BarierPoint();
float dx = p2.X - p1.X;
float dy = p2.Y - p1.Y;
if ((dx == 0) && (dy == 0))
{
// It's a point not a line segment.
closest = p1;
dx = pt.X - p1.X;
dy = pt.Y - p1.Y;
return(Math.Sqrt(dx * dx + dy * dy));
}
// Calculate the t that minimizes the distance.
float t = ((pt.X - p1.X) * dx + (pt.Y - p1.Y) * dy) / (dx * dx + dy * dy);
// See if this represents one of the segment's
// end points or a point in the middle.
if (t < 0)
{
closest = new BarierPoint(p1.X, p1.Y);
dx = pt.X - p1.X;
dy = pt.Y - p1.Y;
}
else if (t > 1)
{
closest = new BarierPoint(p2.X, p2.Y);
dx = pt.X - p2.X;
dy = pt.Y - p2.Y;
}
else
{
closest = new BarierPoint((int)(p1.X + t * dx), (int)(p1.Y + t * dy));
dx = pt.X - closest.X;
dy = pt.Y - closest.Y;
}
return(Math.Sqrt(dx * dx + dy * dy));
}
public override object Deserialize(IDictionary <string, object> dictionary, Type type, JavaScriptSerializer serializer)
{
if (type == typeof(BarierPoint))
{
var obj = new BarierPoint();
if (dictionary.ContainsKey("x"))
{
obj.X = serializer.ConvertToType <int>(
dictionary["x"]);
}
if (dictionary.ContainsKey("y"))
{
obj.Y = serializer.ConvertToType <int>(
dictionary["y"]);
}
return(obj);
}
return(null);
}
public void StartMovingPoint(int x, int y, Cairo.PointD offset)
{
if (!ConvertPointToCanvasPoint(offset, ref x, ref y))
{
return;
}
if (listPoint == null)
{
listPoint = new List <BarierPoint>();
}
BarierPoint bp = new BarierPoint(x, y);
BarierPoint nearstBP = BarierPoint.ClosestPoint(bp, listPoint);
if (nearstBP != null)
{
movingPoint = nearstBP;
//GdkWindow.InvalidateRect(new Gdk.Rectangle(drawOffsetX, drawOffsetY, width, height), false);
}
}
public void EndMovingPoint(int x, int y, Cairo.PointD offset)
{
if (movingPoint == null)
{
return;
}
if (!ConvertPointToCanvasPoint(offset, ref x, ref y))
{
movingPoint = null;
return;
}
if (listPoint == null)
{
listPoint = new List <BarierPoint>();
}
movingPoint.X = x;
movingPoint.Y = y;
movingPoint = null;
GdkWindow.InvalidateRect(new Gdk.Rectangle(drawOffsetX, drawOffsetY, width, height), false);
}
public static int ClosestLine(BarierPoint p, IList<BarierPoint> points )
{
double shortestDistance = Double.PositiveInfinity;
int indexOfPoint = -1;
//foreach (var point in points) {
for (int i = 0; i < points.Count; i++) {
BarierPoint firstPoint = points[i];
BarierPoint secondPoint ;
if(i== points.Count-1)
secondPoint =points[0];
else secondPoint = points[i+1];
double distance =FindDistanceToSegment(p,firstPoint,secondPoint);
if (distance < shortestDistance) {
shortestDistance = distance;
//a = firstPoint;
//b = secondPoint;
indexOfPoint = i+1;
}
}
return indexOfPoint;
}
//, out PointF closest)
private static double FindDistanceToSegment(BarierPoint pt, BarierPoint p1, BarierPoint p2)
{
BarierPoint closest = new BarierPoint();
float dx = p2.X - p1.X;
float dy = p2.Y - p1.Y;
if ((dx == 0) && (dy == 0))
{
// It's a point not a line segment.
closest = p1;
dx = pt.X - p1.X;
dy = pt.Y - p1.Y;
return Math.Sqrt(dx * dx + dy * dy);
}
// Calculate the t that minimizes the distance.
float t = ((pt.X - p1.X) * dx + (pt.Y - p1.Y) * dy) / (dx * dx + dy * dy);
// See if this represents one of the segment's
// end points or a point in the middle.
if (t < 0)
{
closest = new BarierPoint(p1.X, p1.Y);
dx = pt.X - p1.X;
dy = pt.Y - p1.Y;
}
else if (t > 1)
{
closest = new BarierPoint(p2.X, p2.Y);
dx = pt.X - p2.X;
dy = pt.Y - p2.Y;
}
else
{
closest = new BarierPoint((int)(p1.X + t * dx), (int)(p1.Y + t * dy));
dx = pt.X - closest.X;
dy = pt.Y - closest.Y;
}
return Math.Sqrt(dx * dx + dy * dy);
}
public static double Distance(BarierPoint p1, BarierPoint p2)
{
double xDist = p1.X - p2.X;
double yDist = p1.Y - p2.Y;
return Math.Sqrt(xDist * xDist + yDist * yDist);
}
protected override bool OnExposeEvent(Gdk.EventExpose e)
{
Gdk.Pixbuf bg;
try{
//if(fileName.ToLower().EndsWith (".svg")){
//bg = Rsvg.Pixbuf.FromFile(fileName);
// bg = Rsvg.Tool.PixbufFromFileAtSize(fileName,800,600);
//} else{
using (var fs = new System.IO.FileStream(fileName, System.IO.FileMode.Open))
bg = new Gdk.Pixbuf(fs);
//}
}catch (Exception ex) {
Tool.Logger.Error(ex.Message, null);
return(true);
}
bg = bg.ApplyEmbeddedOrientation();
this.HeightImage = bg.Height;
this.WidthImage = bg.Width;
if (this.listPoint == null)
{
this.listPoint = new List <BarierPoint>();
if (this.shapeListPoint != null)
{
foreach (BarierPoint bp in this.shapeListPoint)
{
BarierPoint updateBp = new BarierPoint();
updateBp.X = bp.X + (1 / HeightImage);
updateBp.Y = -bp.Y + (1 / WidthImage);
listPoint.Add(updateBp);
}
}
}
//Size imagesize = new Size (bg.Width, bg.Height);
width = (int)(bg.Width * scaling);
height = (int)(bg.Height * scaling);
int x, y, w, h, d = 0;
this.ParentWindow.GetGeometry(out x, out y, out w, out h, out d);
drawOffsetX = (w - width) / 2;
if (drawOffsetX < 0)
{
drawOffsetX = 0;
}
drawOffsetY = (h - height) / 2;
if (drawOffsetY < 0)
{
drawOffsetY = 0;
}
using (Context cr = Gdk.CairoHelper.Create(e.Window)) {
if (!MainClass.Platform.IsMac)
{
FillChecks(cr, 0, 0, w, h); //w, h);
cr.Save();
cr.DrawRectangle(new Cairo.Rectangle(drawOffsetX - 1, drawOffsetY - 1, width + 1, height + 1), new Cairo.Color(0, 0, 0), 1);
cr.Rectangle(new Cairo.Rectangle(drawOffsetX - 1, drawOffsetY - 1, width, height));
cr.Clip();
}
cr.Scale(scaling, scaling);
CairoHelper.SetSourcePixbuf(cr, bg, drawOffsetX / scaling, drawOffsetY / scaling);
cr.Paint();
this.WidthRequest = width + 1;
this.HeightRequest = height + 1;
if (showBarierLayer)
{
Draw(cr, width, height);
}
cr.Scale(scaling, scaling);
}
return(true);
/*using (Context cr = Gdk.CairoHelper.Create (e.Window)) {
* int w, h;
* e.Window.GetSize (out w, out h);
* Draw (cr, w, h);
* }
* return true;*/
}
protected override bool OnExposeEvent(Gdk.EventExpose e)
{
Gdk.Pixbuf bg;
try{
//if(fileName.ToLower().EndsWith (".svg")){
//bg = Rsvg.Pixbuf.FromFile(fileName);
// bg = Rsvg.Tool.PixbufFromFileAtSize(fileName,800,600);
//} else{
using (var fs = new System.IO.FileStream(fileName, System.IO.FileMode.Open))
bg = new Gdk.Pixbuf(fs);
//}
}catch(Exception ex){
Tool.Logger.Error(ex.Message,null);
return true;
}
bg = bg.ApplyEmbeddedOrientation();
this.HeightImage = bg.Height;
this.WidthImage= bg.Width;
if ( this.listPoint == null ){
this.listPoint = new List<BarierPoint>();
if( this.shapeListPoint != null ){
foreach(BarierPoint bp in this.shapeListPoint){
BarierPoint updateBp = new BarierPoint();
updateBp.X = bp.X +(1/HeightImage);
updateBp.Y = -bp.Y +(1/WidthImage);
listPoint.Add(updateBp);
}
}
}
//Size imagesize = new Size (bg.Width, bg.Height);
width = (int)(bg.Width * scaling);
height = (int)(bg.Height * scaling);
int x, y, w, h, d = 0;
this.ParentWindow.GetGeometry(out x, out y, out w, out h, out d);
drawOffsetX = (w - width) / 2;
if (drawOffsetX < 0)
drawOffsetX = 0;
drawOffsetY = (h - height) / 2;
if (drawOffsetY < 0)
drawOffsetY = 0;
using (Context cr = Gdk.CairoHelper.Create(e.Window)) {
if(!MainClass.Platform.IsMac){
FillChecks (cr, 0, 0,w,h);//w, h);
cr.Save ();
cr.DrawRectangle(new Cairo.Rectangle(drawOffsetX - 1, drawOffsetY - 1, width + 1, height + 1), new Cairo.Color(0, 0, 0), 1);
cr.Rectangle(new Cairo.Rectangle(drawOffsetX - 1, drawOffsetY - 1, width, height));
cr.Clip();
}
cr.Scale(scaling, scaling);
CairoHelper.SetSourcePixbuf(cr, bg, drawOffsetX / scaling, drawOffsetY / scaling);
cr.Paint();
this.WidthRequest = width + 1;
this.HeightRequest = height + 1;
if (showBarierLayer) {
Draw(cr, width, height);
}
cr.Scale(scaling, scaling);
}
return true;
/*using (Context cr = Gdk.CairoHelper.Create (e.Window)) {
int w, h;
e.Window.GetSize (out w, out h);
Draw (cr, w, h);
}
return true;*/
}
public void StartMovingPoint(int x, int y, Cairo.PointD offset)
{
if (!ConvertPointToCanvasPoint(offset, ref x, ref y))
return;
if (listPoint == null)
listPoint = new List<BarierPoint>();
BarierPoint bp = new BarierPoint(x, y);
BarierPoint nearstBP = BarierPoint.ClosestPoint(bp, listPoint);
if (nearstBP != null) {
movingPoint = nearstBP;
//GdkWindow.InvalidateRect(new Gdk.Rectangle(drawOffsetX, drawOffsetY, width, height), false);
}
}
public void EndMovingPoint(int x, int y, Cairo.PointD offset)
{
if (movingPoint == null)
return;
if (!ConvertPointToCanvasPoint(offset, ref x, ref y)) {
movingPoint = null;
return;
}
if (listPoint == null)
listPoint = new List<BarierPoint>();
movingPoint.X = x;
movingPoint.Y = y;
movingPoint = null;
GdkWindow.InvalidateRect(new Gdk.Rectangle(drawOffsetX, drawOffsetY, width, height), false);
}
public void EditPoint(int x, int y, Cairo.PointD offset)
{
int realX = x;
int realY = y;
if (!ConvertPointToCanvasPoint(offset, ref realX, ref realY))
return;
if (listPoint == null)
listPoint = new List<BarierPoint>();
BarierPoint bp = new BarierPoint(realX, realY);
BarierPoint nearstBP = BarierPoint.ClosestPoint(bp, listPoint);
double distance = 999;
if(nearstBP != null){
distance = BarierPoint.Distance(bp,nearstBP);
}
if(distance <5.5 ){
StartMovingPoint(x,y,offset);
} else {
AddPoint(x,y,offset);
}
}
public void AddPoint(int x, int y, Cairo.PointD offset)
{
if (!ConvertPointToCanvasPoint(offset, ref x, ref y))
return;
if (listPoint == null)
listPoint = new List<BarierPoint>();
BarierPoint bp = new BarierPoint(x, y);
int indx = BarierPoint.ClosestLine(bp,listPoint);
if(listPoint.Count >8){
}
if((indx >listPoint.Count-1) || (indx<0)){
listPoint.Add(bp);
} else {
listPoint.Insert(indx,bp);
}
GdkWindow.InvalidateRect(new Gdk.Rectangle(drawOffsetX, drawOffsetY, width, height), false);
}
