Added rotation tool.

[architektonas] / src / arc.cpp

diff --git a/src/arc.cpp b/src/arc.cpp
index ad08a572979dc651c6a13592a8126a3001b06d9b..e4a6b6f4788de7b89f1196fa75a8018217fad421 100644 (file)
--- a/src/arc.cpp
+++ b/src/arc.cpp
@@ -16,6 +16,7 @@
 #include "arc.h"
 
 #include <QtGui>
+#include "geometry.h"
 #include "mathconstants.h"
 #include "painter.h"
 
@@ -71,7 +72,8 @@ Arc::~Arc()
                        Vector oldLine = (p3 * (radius * 1.25)) + position;
                        pen = QPen(QColor(0x80, 0x80, 0x80), 1.0, Qt::DashLine);
                        painter->SetPen(pen);
-                       painter->DrawLine((int)position.x, (int)position.y, (int)oldLine.x, (int)oldLine.y);
+//                     painter->DrawLine((int)position.x, (int)position.y, (int)oldLine.x, (int)oldLine.y);
+                       painter->DrawLine(position, oldLine);
                }
 
                // In rotating and setting the span, we draw a line showing where
@@ -109,6 +111,7 @@ Arc::~Arc()
                        text = text.arg(radius, 0, 'd', 4).arg(radius / oldRadius * 100.0, 0, 'd', 0);
                }
 
+#if 0
                pen = QPen(QColor(0x00, 0xFF, 0x00), 1.0, Qt::SolidLine);
                painter->SetPen(pen);
                painter->SetBrush(QBrush(QColor(0x40, 0xFF, 0x40, 0x9F)));
@@ -120,6 +123,9 @@ Arc::~Arc()
                pen = QPen(QColor(0x00, 0x5F, 0xDF));
                painter->SetPen(pen);
                painter->DrawText(textRect, Qt::AlignVCenter, text);
+#else
+               painter->DrawInformativeText(text);
+#endif
        }
 }
 
@@ -146,53 +152,21 @@ Also: should put the snap logic into the Object base class (as a static method).
 
 /*virtual*/ bool Arc::Collided(Vector point)
 {
-       objectWasDragged = false;
-//     Vector v1 = point - position;                   // Head minus tail (vector points at "point")
+       // Someone told us to fuck off, so we'll fuck off. :-)
+       if (ignoreClicks)
+               return false;
 
-#if 1
+       objectWasDragged = false;
        bool hitSomething = HitTest(point);
        draggingCenter = hitCenter;
        draggingEdge   = hitArc;
        draggingRotate = hitRotate;
        draggingSpan   = hitSpan;
-#else
-       // Check for collision with various things...
-       hitHandle1 = false;     // Moving
-       hitHandle2 = false;     // Rotation
-       hitHandle3 = false;     // Setting span of the arc
-       hitHandle4 = false;     // Resizing
-/*
-What we have:
-the center of the arc
-the starting angle
-the span of the arc
-The point on a unit circle given an angle a is x = cos(a), y = sin(a)
-This vector is already unitized, so all we need to do to get our point is to multiply it by
-radius (to get the length correct) and add it to the center point (to get the correct position).
-*/
-       Vector v1 = point - position;                   // Head minus tail (vector points at "point")
-       Point p1(cos(startAngle), sin(startAngle));
-       Point p2(cos(startAngle + angleSpan), sin(startAngle + angleSpan));
-       Vector handle2 = (p1 * radius) + position;
-       Vector handle3 = (p2 * radius) + position;
-       double pointerAngle = v1.Angle();
 
-#if 1
-       // Center handle
-       if (v1.Magnitude() < 10.0)
-               hitHandle1 = true;
-       // Span handle
-       else if (Vector(handle3 - point).Magnitude() < 10.0)
-               hitHandle3 = true;
-       // Rotate handle
-       else if (Vector(handle2 - point).Magnitude() < 10.0)
-               hitHandle2 = true;
-       // Resize handle (the arc itself)
-       else if ((v1.Magnitude() < radius + 3.0) && (v1.Magnitude() > radius - 3.0)
-               && AngleInArcSpan(pointerAngle))
-               hitHandle4 = true;
-#endif
-#endif
+       // Now that we've done our hit testing on the non-snapped point, snap it if
+       // necessary...
+       if (snapToGrid)
+               point = SnapPointToGrid(point);
 
 /*
 State Management:
@@ -226,7 +200,6 @@ Selected|  |  |  |
 
 so let's do like this:
 */
-//     if (hitCenter || hitArc || hitRotate || hitSpan)
        if (hitSomething)
        {
                oldState = state;
@@ -463,7 +436,7 @@ bool Arc::HitStateChanged(void)
 
 /*virtual*/ void Arc::Enumerate(FILE * file)
 {
-       fprintf(file, "ARC (%lf,%lf) %lf, %lf, %lf\n", position.x, position.y, radius, startAngle, angleSpan);
+       fprintf(file, "ARC %i (%lf,%lf) %lf, %lf, %lf\n", layer, position.x, position.y, radius, startAngle, angleSpan);
 }
 
 
@@ -482,3 +455,45 @@ same reference number.
        return new Arc(position, radius, startAngle, angleSpan, parent);
 }
 
+
+/*virtual*/ void Arc::Rotate(Point point, double angle)
+{
+       Point c1 = Geometry::RotatePointAroundPoint(position, point, angle);
+       Point ap1(cos(startAngle), sin(startAngle));
+       Point angleStartPoint = (ap1 * radius) + position;
+       Point c2 = Geometry::RotatePointAroundPoint(angleStartPoint, point, angle);
+
+       position = c1;
+       startAngle = Vector(c2, c1).Angle();
+}
+
+
+/*virtual*/ void Arc::Mirror(Point p1, Point p2)
+{
+       Point c1 = Geometry::MirrorPointAroundLine(position, p1, p2);
+       Point ap1(cos(startAngle + angleSpan), sin(startAngle + angleSpan));
+       Point angleEndPoint = (ap1 * radius) + position;
+       Point c2 = Geometry::MirrorPointAroundLine(angleEndPoint, p1, p2);
+
+       position = c1;
+       startAngle = Vector(c2, c1).Angle();
+}
+
+
+/*virtual*/ void Arc::Save(void)
+{
+       Object::Save();
+       oldRadius2 = radius;
+       oldStartAngle = startAngle;
+       oldAngleSpan = angleSpan;
+}
+
+
+/*virtual*/ void Arc::Restore(void)
+{
+       Object::Restore();
+       radius = oldRadius2;
+       startAngle = oldStartAngle;
+       angleSpan = oldAngleSpan;
+}
+