X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fpainter.cpp;h=a649306c74ecd96be81cbba047c8cba253be5d99;hb=e8987f4028a1f9c0eeb33a45bd11b2e409b9c2c5;hp=6cfd91f8ef62641d6584158631c6a3834866532a;hpb=11802354d1ddc5bc571d83d8fc9b600618cb4372;p=architektonas

diff --git a/src/painter.cpp b/src/painter.cpp
index 6cfd91f..a649306 100644
--- a/src/painter.cpp
+++ b/src/painter.cpp
@@ -208,6 +208,7 @@ void Painter::DrawPoint(int x, int y)
 }
 
 
+// The rect passed in is in Qt coordinates...
 void Painter::DrawRoundedRect(QRectF rect, double radiusX, double radiusY)
 {
 	if (!painter)
@@ -217,6 +218,21 @@ void Painter::DrawRoundedRect(QRectF rect, double radiusX, double radiusY)
 }
 
 
+// The rect passed in is in Cartesian but we want to pad it by a set number of
+// pixels (currently set at 8), so the pad looks the same regardless of zoom.
+void Painter::DrawPaddedRect(QRectF rect)
+{
+	if (!painter)
+		return;
+
+	Vector v1 = CartesianToQtCoords(Vector(rect.x(), rect.y()));
+	Vector v2 = CartesianToQtCoords(Vector(rect.right(), rect.bottom()));
+	QRectF screenRect(QPointF(v1.x, v1.y), QPointF(v2.x, v2.y));
+	screenRect.adjust(-8, 8, 8, -8);	// Left/top, right/bottom
+	painter->drawRect(screenRect);
+}
+
+
 void Painter::DrawRect(QRectF rect)
 {
 	if (!painter)
@@ -240,6 +256,9 @@ void Painter::DrawText(QRectF rect, int type, QString text)
 
 void Painter::DrawArrowhead(Vector head, Vector tail, double size)
 {
+	if (!painter)
+		return;
+
 	QPolygonF arrow;
 
 	// We draw the arrowhead aligned along the line from tail to head
@@ -261,3 +280,15 @@ void Painter::DrawArrowhead(Vector head, Vector tail, double size)
 	painter->drawPolygon(arrow);
 }
 
+
+// Point is given in Cartesian coordinates
+void Painter::DrawCrosshair(Vector point)
+{
+	if (!painter)
+		return;
+
+	Vector screenPoint = CartesianToQtCoords(point);
+	painter->drawLine(0, screenPoint.y, screenSize.x, screenPoint.y);
+	painter->drawLine(screenPoint.x, 0, screenPoint.x, screenSize.y);
+}
+