X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fpainter.cpp;h=4213261315b7aacb66a4e9420a98061cd6f350e1;hb=e04e3a62d9f98d0cee6a4cf1e23a3019af8a37a7;hp=046dd2a7d92fa0c608c1370a57c4d3d1a4700392;hpb=57056be35f9295400dd873a17d8468b3287ebc0c;p=architektonas diff --git a/src/painter.cpp b/src/painter.cpp index 046dd2a..4213261 100644 --- 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)