Added more visual feedback to Dimension type changing buttons.

[architektonas] / src / painter.cpp

diff --git a/src/painter.cpp b/src/painter.cpp
index 046dd2a7d92fa0c608c1370a57c4d3d1a4700392..4213261315b7aacb66a4e9420a98061cd6f350e1 100644 (file)
--- a/src/painter.cpp
+++ b/src/painter.cpp
@@ -203,6 +203,27 @@ void Painter::DrawArrowHandle(Vector center, double angle)
 }
 
 
+// This function is for drawing object handles without regard for zoom level;
+// we don't want our object handle size to depend on the zoom level!
+void Painter::DrawArrowToLineHandle(Vector center, double angle)
+{
+       DrawArrowHandle(center, angle);
+       center = CartesianToQtCoords(center);
+
+       // Since we're drawing directly on the screen, the Y is inverted. So we use
+       // the mirror of the angle.
+       double orthoAngle = -angle + (PI / 2.0);
+       Vector orthogonal = Vector(cos(orthoAngle), sin(orthoAngle));
+       Vector unit = Vector(cos(-angle), sin(-angle));
+
+       Point p1 = center + (unit * 21.0);
+       Point p2 = p1 + (orthogonal * 7.0);
+       Point p3 = p1 - (orthogonal * 7.0);
+
+       painter->drawLine(p2.x, p2.y, p3.x, p3.y);
+}
+
+
 void Painter::DrawLine(int x1, int y1, int x2, int y2)
 {
        if (!painter)