X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdrawingview.cpp;h=9e1b56c784e02698733c85cd205c1bc913db372f;hb=84fc4387b9a6051819da5c9ed688de1ec372c7f7;hp=16280d6e9802e1d5132d931164e908d76b6a517a;hpb=3c2db966e79e6437db75eebcff0bfc427f37c71b;p=architektonas

diff --git a/src/drawingview.cpp b/src/drawingview.cpp
index 16280d6..9e1b56c 100644
--- a/src/drawingview.cpp
+++ b/src/drawingview.cpp
@@ -571,6 +571,8 @@ void DrawingView::ToolHandler(int mode, Point p)
 		LineHandler(mode, p);
 	else if (Global::tool == TTCircle)
 		CircleHandler(mode, p);
+	else if (Global::tool == TTArc)
+		ArcHandler(mode, p);
 	else if (Global::tool == TTRotate)
 		RotateHandler(mode, p);
 }
@@ -621,6 +623,50 @@ void DrawingView::ToolDraw(Painter * painter)
 			informativeText = text.arg(length);//.arg(absAngle);
 		}
 	}
+	else if (Global::tool == TTArc)
+	{
+		if (Global::toolState == TSNone)
+		{
+			painter->DrawHandle(toolPoint[0]);
+		}
+		else if (Global::toolState == TSPoint2)
+		{
+			double length = Vector::Magnitude(toolPoint[0], toolPoint[1]);
+			painter->SetBrush(QBrush(Qt::NoBrush));
+			painter->DrawEllipse(toolPoint[0], length, length);
+			painter->DrawLine(toolPoint[0], toolPoint[1]);
+			painter->DrawHandle(toolPoint[1]);
+			QString text = tr("Radius: %1 in.");
+			informativeText = text.arg(length);
+		}
+		else if (Global::toolState == TSPoint3)
+		{
+			double angle = Vector::Angle(toolPoint[0], toolPoint[2]);
+			painter->DrawLine(toolPoint[0], toolPoint[2]);
+			painter->SetBrush(QBrush(Qt::NoBrush));
+			painter->DrawEllipse(toolPoint[0], toolPoint[1].x, toolPoint[1].x);
+			painter->DrawHandle(toolPoint[0] + (Vector(cos(angle), sin(angle)) * toolPoint[1].x));
+			QString text = tr("Angle start: %1") + QChar(0x00B0);
+			informativeText = text.arg(RADIANS_TO_DEGREES * angle);
+		}
+		else
+		{
+			double angle = Vector::Angle(toolPoint[0], toolPoint[3]);
+			double span = angle - toolPoint[2].x;
+
+			if (span < 0)
+				span += PI_TIMES_2;
+
+			painter->DrawLine(toolPoint[0], toolPoint[3]);
+			painter->SetBrush(QBrush(Qt::NoBrush));
+			painter->DrawEllipse(toolPoint[0], toolPoint[1].x, toolPoint[1].x);
+			painter->SetPen(0xFF00FF, 2.0, LSSolid);
+			painter->DrawArc(toolPoint[0], toolPoint[1].x, toolPoint[2].x, span);
+			painter->DrawHandle(toolPoint[0] + (Vector(cos(angle), sin(angle)) * toolPoint[1].x));
+			QString text = tr("Arc span: %1") + QChar(0x00B0);
+			informativeText = text.arg(RADIANS_TO_DEGREES * span);
+		}
+	}
 	else if (Global::tool == TTRotate)
 	{
 		if ((Global::toolState == TSNone) || (Global::toolState == TSPoint1))
@@ -743,6 +789,75 @@ void DrawingView::CircleHandler(int mode, Point p)
 }
 
 
+void DrawingView::ArcHandler(int mode, Point p)
+{
+	switch (mode)
+	{
+	case ToolMouseDown:
+		if (Global::toolState == TSNone)
+			toolPoint[0] = p;
+		else if (Global::toolState == TSPoint2)
+			toolPoint[1] = p;
+		else if (Global::toolState == TSPoint3)
+			toolPoint[2] = p;
+		else
+			toolPoint[3] = p;
+
+		break;
+	case ToolMouseMove:
+		if (Global::toolState == TSNone)
+			toolPoint[0] = p;
+		else if (Global::toolState == TSPoint2)
+			toolPoint[1] = p;
+		else if (Global::toolState == TSPoint3)
+			toolPoint[2] = p;
+		else
+			toolPoint[3] = p;
+
+		break;
+	case ToolMouseUp:
+		if (Global::toolState == TSNone)
+		{
+			// Prevent spurious line from drawing...
+			toolPoint[1] = toolPoint[0];
+			Global::toolState = TSPoint2;
+		}
+		else if (Global::toolState == TSPoint2)
+		{
+			if (shiftDown)
+			{
+				// Key override is telling us to start circle at new center, not
+				// continue the current one.
+				toolPoint[0] = toolPoint[1];
+				return;
+			}
+
+			// Set the radius in toolPoint[1].x
+			toolPoint[1].x = Vector::Magnitude(toolPoint[0], toolPoint[1]);
+			Global::toolState = TSPoint3;
+		}
+		else if (Global::toolState == TSPoint3)
+		{
+			// Set the angle in toolPoint[2].x
+			toolPoint[2].x = Vector::Angle(toolPoint[0], toolPoint[2]);
+			Global::toolState = TSPoint4;
+		}
+		else
+		{
+			double endAngle = Vector::Angle(toolPoint[0], toolPoint[3]);
+			double span = endAngle - toolPoint[2].x;
+
+			if (span < 0)
+				span += PI_TIMES_2;
+
+			Arc * arc = new Arc(toolPoint[0], toolPoint[1].x, toolPoint[2].x, span);
+			document.objects.push_back(arc);
+			Global::toolState = TSNone;
+		}
+	}
+}
+
+
 void DrawingView::RotateHandler(int mode, Point p)
 {
 	switch (mode)
@@ -1274,6 +1389,34 @@ bool DrawingView::HitTestObjects(Point point)
 
 			break;
 		}
+		case OTArc:
+		{
+			bool oldHP = obj->hitPoint[0], oldHO = obj->hitObject;
+			obj->hitPoint[0] = obj->hitObject = false;
+			double length = Vector::Magnitude(obj->p[0], point);
+			double angle = Vector::Angle(obj->p[0], point);
+
+			// Make sure we get the angle in the correct spot
+			if (angle < obj->angle[0])
+				angle += PI_TIMES_2;
+
+			// Get the span that we're pointing at...
+			double span = angle - obj->angle[0];
+
+			// N.B.: Still need to hit test the arc start & arc span handles...
+
+			if ((length * Global::zoom) < 8.0)
+				obj->hitPoint[0] = true;
+			else if (((fabs(length - obj->radius[0]) * Global::zoom) < 2.0) && (span < obj->angle[1]))
+				obj->hitObject = true;
+
+			obj->hovered = (obj->hitPoint[0] || obj->hitObject ? true : false);
+
+			if ((oldHP != obj->hitPoint[0]) || (oldHO != obj->hitObject))
+				needUpdate = true;
+
+			break;
+		}
 		default:
 			break;
 		}