Added ability to edit grid unit in base units, work on Dimension.

[architektonas] / src / dimension.cpp

diff --git a/src/dimension.cpp b/src/dimension.cpp
index 8b930f05230af7b112af9a4a3e0143f8ab4860b6..203e26ffead1dddb6400d67672fd4d29855f3395 100644 (file)
--- a/src/dimension.cpp
+++ b/src/dimension.cpp
@@ -56,7 +56,10 @@ Dimension::~Dimension()
        if (state == OSSelected)
                painter->SetPen(QPen(Qt::red, 2.0, Qt::DotLine));
        else
-               painter->SetPen(QPen(Qt::blue, 1.0, Qt::SolidLine));
+//             painter->SetPen(QPen(Qt::blue, 1.0, Qt::SolidLine));
+               painter->SetPen(QPen(Qt::blue, 1.0 * Painter::zoom * size, Qt::SolidLine));
+
+       painter->SetBrush(QBrush(QColor(Qt::blue)));
 
        // Draw an aligned dimension line
        double angle = Vector(endpoint - position).Angle();
@@ -64,21 +67,11 @@ Dimension::~Dimension()
        Vector orthogonal = Vector(cos(orthoAngle), sin(orthoAngle));
        Vector unit = Vector(endpoint - position).Unit();
 
-#if 0
-//NOTE: SCREEN_ZOOM is our kludge factor... We need to figure out a better
-//      way of doing this...
-       // Get our line parallel to our points
-       Point p1 = position + (orthogonal * 10.0 * SCREEN_ZOOM);
-       Point p2 = endpoint + (orthogonal * 10.0 * SCREEN_ZOOM);
-
-       // Draw main dimension line
-       painter->DrawLine(p1, p2);
+// Arrowhead:
+//     Point p1 = head - (unit * 9.0 * size);
+//     Point p2 = p1 + (orthogonal * 3.0 * size);
+//     Point p3 = p1 - (orthogonal * 3.0 * size);
 
-       Point p3 = position + (orthogonal * 16.0 * SCREEN_ZOOM);
-       Point p4 = endpoint + (orthogonal * 16.0 * SCREEN_ZOOM);
-       Point p5 = position + (orthogonal * 4.0 * SCREEN_ZOOM);
-       Point p6 = endpoint + (orthogonal * 4.0 * SCREEN_ZOOM);
-#else
 /*
 The numbers hardcoded into here, what are they?
 I believe they are pixels.
@@ -88,32 +81,42 @@ I believe they are pixels.
        Point p1 = position + (orthogonal * 10.0 * size);
        Point p2 = endpoint + (orthogonal * 10.0 * size);
 
-       // Draw main dimension line
-       painter->DrawLine(p1, p2);
-
        Point p3 = position + (orthogonal * 16.0 * size);
        Point p4 = endpoint + (orthogonal * 16.0 * size);
        Point p5 = position + (orthogonal * 4.0 * size);
        Point p6 = endpoint + (orthogonal * 4.0 * size);
-#endif
 
        // Draw extension lines
        painter->DrawLine(p3, p5);
        painter->DrawLine(p4, p6);
 
-       painter->SetBrush(QBrush(QColor(Qt::blue)));
-//     painter->DrawArrowhead(p1, p2);
-//     painter->DrawArrowhead(p2, p1);
-       painter->DrawArrowhead(p1, p2, size);
-       painter->DrawArrowhead(p2, p1, size);
+       // Calculate whether or not the arrowheads are too crowded to put inside
+       // the extension lines. 9.0 is the length of the arrowhead.
+       double t = Vector::Parameter(position, endpoint, endpoint - (unit * 9.0 * size));
+//printf("Dimension::Draw(): t = %lf\n", t);
+
+       if (t > 0.5)
+       {
+               // Draw main dimension line + arrowheads
+               painter->DrawLine(p1, p2);
+               painter->DrawArrowhead(p1, p2, size);
+               painter->DrawArrowhead(p2, p1, size);
+       }
+       else
+       {
+               Point p7 = p1 - (unit * 9.0 * size);
+               Point p8 = p2 + (unit * 9.0 * size);
+               painter->DrawArrowhead(p1, p7, size);
+               painter->DrawArrowhead(p2, p8, size);
+               painter->DrawLine(p1, p1 - (unit * 14.0 * size));
+               painter->DrawLine(p2, p2 + (unit * 14.0 * size));
+       }
 
        // Draw length of dimension line...
-//     painter->SetFont(QFont("Arial", 10.0 * Painter::zoom * SCREEN_ZOOM));
        painter->SetFont(QFont("Arial", 10.0 * Painter::zoom * size));
        Vector v1((p1.x - p2.x) / 2.0, (p1.y - p2.y) / 2.0);
        Point ctr = p2 + v1;
        QString dimText = QString("%1\"").arg(Vector(endpoint - position).Magnitude());
-//     painter->DrawAngledText(ctr, angle, dimText);
        painter->DrawAngledText(ctr, angle, dimText, size);
 }