#include "painter.h"
#include "mathconstants.h"
+#include "object.h"
// Set class variable defaults
}
+// The rect passed in is in Qt coordinates...
void Painter::DrawRoundedRect(QRectF rect, double radiusX, double radiusY)
{
if (!painter)
}
+// 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)
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
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);
+}
+