Added gratuitous About screen.

[architektonas] / src / dimension.cpp

diff --git a/src/dimension.cpp b/src/dimension.cpp
index d049fc32da0316336c4ba0414bce1cd2e8de5e9a..b9fc97620d8708afa2cbdd08b1fc1fd38d98dc81 100644 (file)
--- a/src/dimension.cpp
+++ b/src/dimension.cpp
@@ -19,7 +19,14 @@
 
 Dimension::Dimension(Vector p1, Vector p2, Object * p/*= NULL*/): Object(p1, p), endpoint(p2),
        dragging(false), draggingHandle1(false), draggingHandle2(false),
-       length(p2.Magnitude())
+       length(p2.Magnitude()), point1(NULL), point2(NULL)
+{
+}
+
+// This is bad, p1 & p2 could be NULL, causing much consternation...
+Dimension::Dimension(Vector * p1, Vector * p2, Object * p/*= NULL*/): Object(*p1, p), endpoint(*p2),
+       dragging(false), draggingHandle1(false), draggingHandle2(false),
+       length(p2->Magnitude()), point1(p1), point2(p2)
 {
 }
 
@@ -29,39 +36,19 @@ Dimension::~Dimension()
 
 /*virtual*/ void Dimension::Draw(QPainter * painter)
 {
+       // If there are valid Vector pointers in here, use them to update the internal
+       // positions. Otherwise, we just use the internal positions by default.
+       if (point1)
+               position = *point1;
+
+       if (point2)
+               endpoint = *point2;
+
        if (state == OSSelected)
                painter->setPen(QPen(Qt::red, 2.0, Qt::DotLine));
        else
                painter->setPen(QPen(Qt::blue, 1.0, Qt::SolidLine));
 
-#if 0
-//     if (draggingHandle1)
-       if (state == OSSelected)
-               painter->drawEllipse(QPointF(position.x, position.y), 4.0, 4.0);
-
-//     if (draggingHandle2)
-       if (state == OSSelected)
-               painter->drawEllipse(QPointF(endpoint.x, endpoint.y), 4.0, 4.0);
-
-       if (Object::fixedLength && (draggingHandle1 || draggingHandle2))
-       {
-               Vector point1 = (draggingHandle1 ? endpoint : position);
-               Vector point2 = (draggingHandle1 ? position : endpoint);
-
-               Vector current(point2 - point1);
-               Vector v = current.Unit() * length;
-               Vector v2 = point1 + v;
-               painter->drawLine((int)point1.x, (int)point1.y, (int)v2.x, (int)v2.y);
-
-               if (current.Magnitude() > length)
-               {
-                       painter->setPen(QPen(QColor(128, 0, 0), 1.0, Qt::DashLine));
-                       painter->drawLine((int)v2.x, (int)v2.y, (int)point2.x, (int)point2.y);
-               }
-       }
-       else
-               painter->drawLine((int)position.x, (int)position.y, (int)endpoint.x, (int)endpoint.y);
-#endif
        // Draw an aligned dimension line
        double angle = Vector(endpoint - position).Angle();
        double orthoAngle = angle + (PI / 2.0);
@@ -90,21 +77,40 @@ Dimension::~Dimension()
        Point ctr = p2 + v1;
        QString dimText = QString("%1\"").arg(Vector(endpoint - position).Magnitude());
        int textWidth = QFontMetrics(painter->font()).width(dimText);
+       int textHeight = QFontMetrics(painter->font()).height();
 //We have to do transformation voodoo to make the text come out readable and in correct orientation...
 //Some things to note here: if angle > 90 degrees, then we need to take the negative of the angle
 //for our text.
 painter->save();
 painter->translate(ctr.x, ctr.y);
+int yOffset = -8;
+//16 : printf("textHeight: %d\n", textHeight);
+
+//Fix text so it isn't upside down...
+if ((angle > PI * 0.5) && (angle < PI * 1.5))
+{
+       angle += PI;
+       yOffset = 18;
+}
+
 painter->rotate(angle * RADIANS_TO_DEGREES);
 painter->scale(1.0, -1.0);
 //painter->translate(-textWidth / 2, -24);
 //     painter->drawText(0, 0, textWidth, 20, Qt::AlignCenter, dimText);
        // This version draws the y-coord from the baseline of the font
-       painter->drawText(-textWidth / 2, -8, dimText);
+       painter->drawText(-textWidth / 2, yOffset, dimText);
 //painter->setPen(QPen(QColor(0xFF, 0x20, 0x20), 1.0, Qt::SolidLine));
 //painter->drawLine(20, 0, -20, 0);
 //painter->drawLine(0, 20, 0, -20);
 painter->restore();
+
+/*
+All of the preceeding makes me think that rather than try to compensate for Qt's unbelieveably
+AWFUL decision to go with a wrong-handed graphics subsystem, it may be better to just stuff
+all of that crap into some kind of subclass that handles all the nastiness behind the scenes.
+I mean, really, all this crap just to get some proplerly rendered text on the screen? How
+retarded is that? :-/
+*/
 }
 
 /*virtual*/ Vector Dimension::Center(void)
@@ -295,3 +301,29 @@ about keeping track of old states...
        if (objectWasDragged)
                state = oldState;
 }
+
+void Dimension::SetPoint1(Vector * v)
+{
+       point1 = v;
+       needUpdate = true;
+}
+
+void Dimension::SetPoint2(Vector * v)
+{
+       point2 = v;
+       needUpdate = true;
+}
+
+void Dimension::FlipSides(void)
+{
+#if 0
+       Vector tmp = position;
+       position = endpoint;
+       endpoint = tmp;
+#else
+       Vector * tmp = point1;
+       point1 = point2;
+       point2 = tmp;
+#endif
+       needUpdate = true;
+}