X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fpainter.cpp;h=6145638c8a022080a30aab44122498ff0fcd9eb1;hb=428876081ee41d40e32f5b4f2bfcfdb7a835e6e1;hp=308cab6b7bd87ed587cb884ae52113f1173abaad;hpb=bb8d0671717bac2c5350e34024273381be1d8175;p=architektonas

diff --git a/src/painter.cpp b/src/painter.cpp
index 308cab6..6145638 100644
--- a/src/painter.cpp
+++ b/src/painter.cpp
@@ -15,6 +15,7 @@
 #include "painter.h"
 
 #include "mathconstants.h"
+#include "object.h"
 
 
 // Set class variable defaults
@@ -208,7 +209,7 @@ void Painter::DrawPoint(int x, int y)
 }
 
 
-// This is drawn in Qt coordinates...
+// The rect passed in is in Qt coordinates...
 void Painter::DrawRoundedRect(QRectF rect, double radiusX, double radiusY)
 {
 	if (!painter)
@@ -218,9 +219,8 @@ void Painter::DrawRoundedRect(QRectF rect, double radiusX, double radiusY)
 }
 
 
-// This is drawn partially in Cartesian coordinates, and partially in Qt
-// coordinates. The rect itself is in Cartesian but we want to pad it by a set
-// number of pixels.
+// 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)
@@ -257,6 +257,9 @@ 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
@@ -278,3 +281,34 @@ 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);
+}
+
+
+void Painter::DrawInformativeText(QString text)
+{
+	painter->setFont(*Object::font);
+	QRectF bounds = painter->boundingRect(QRectF(), Qt::AlignVCenter, text);
+	bounds.moveTo(17.0, 17.0);
+	QRectF textRect = bounds;
+	textRect.adjust(-7.0, -7.0, 7.0, 7.0);
+
+	QPen pen = QPen(QColor(0x00, 0xFF, 0x00), 1.0, Qt::SolidLine);
+	painter->setPen(pen);
+	painter->setBrush(QBrush(QColor(0x40, 0xFF, 0x40, 0x9F)));
+	painter->drawRoundedRect(textRect, 7.0, 7.0);
+
+	pen = QPen(QColor(0x00, 0x5F, 0xDF));
+	painter->setPen(pen);
+	painter->drawText(bounds, Qt::AlignVCenter, text);
+}
+