// (C) 2011 Underground Software
// See the README and GPLv3 files for licensing and warranty information
//
-// JLH = James L. Hammons <jlhamm@acm.org>
+// JLH = James Hammons <jlhamm@acm.org>
//
// WHO WHEN WHAT
// --- ---------- ------------------------------------------------------------
// JLH 04/04/2011 Created this file, basic rendering
+// JLH 03/14/2013 Updated to new connection system
//
#include "dimension.h"
#include <QtGui>
#include "mathconstants.h"
+#include "painter.h"
-Dimension::Dimension(Vector p1, Vector p2, Object * p/*= NULL*/): Object(p1, p), endpoint(p2),
+Dimension::Dimension(Vector p1, Vector p2, DimensionType dt/*= DTLinear*/ ,Object * p/*= NULL*/):
+ Object(p1, p), endpoint(p2),
dragging(false), draggingHandle1(false), draggingHandle2(false),
- length(p2.Magnitude()), point1(NULL), point2(NULL)
+ length(p2.Magnitude()), dimensionType(dt), size(0.25), point1(NULL), point2(NULL)
{
+ // We set the size to 1/4 base unit. Could be anything.
+ type = OTDimension;
}
+
// 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),
+Dimension::Dimension(Connection p1, Connection p2, DimensionType dt/*= DTLinear*/ , Object * p/*= NULL*/):
dragging(false), draggingHandle1(false), draggingHandle2(false),
- length(p2->Magnitude()), point1(p1), point2(p2)
+ length(0), dimensionType(dt), size(0.25), point1(p1), point2(p2)
{
+ type = OTDimension;
}
+
Dimension::~Dimension()
{
}
-/*virtual*/ void Dimension::Draw(QPainter * painter)
+
+/*virtual*/ void Dimension::Draw(Painter * 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 (point1.object)
+ position = point1.object->GetPointAtParameter(point1.t);
- if (point2)
- endpoint = *point2;
+ if (point2.object)
+ endpoint = point2.object->GetPointAtParameter(point2.t);
if (state == OSSelected)
- painter->setPen(QPen(Qt::red, 2.0, Qt::DotLine));
+ painter->SetPen(QPen(Qt::red, 2.0, Qt::DotLine));
else
- painter->setPen(QPen(Qt::blue, 1.0, Qt::SolidLine));
+// painter->SetPen(QPen(Qt::blue, 1.0, Qt::SolidLine));
+ painter->SetPen(QPen(Qt::blue, 1.0 * Painter::zoom * size, Qt::SolidLine));
+
+ painter->SetBrush(QBrush(QColor(Qt::blue)));
// Draw an aligned dimension line
double angle = Vector(endpoint - position).Angle();
Vector orthogonal = Vector(cos(orthoAngle), sin(orthoAngle));
Vector unit = Vector(endpoint - position).Unit();
- // Get our line parallel to our points
- Point p1 = position + (orthogonal * 10.0);
- Point p2 = endpoint + (orthogonal * 10.0);
+// Arrowhead:
+// Point p1 = head - (unit * 9.0 * size);
+// Point p2 = p1 + (orthogonal * 3.0 * size);
+// Point p3 = p1 - (orthogonal * 3.0 * size);
- // Draw main dimension line
- painter->drawLine(QPointF(p1.x, p1.y), QPointF(p2.x, p2.y));
+/*
+The numbers hardcoded into here, what are they?
+I believe they are pixels.
+*/
+
+ // Get our line parallel to our points
+ Point p1 = position + (orthogonal * 10.0 * size);
+ Point p2 = endpoint + (orthogonal * 10.0 * size);
- Point p3 = position + (orthogonal * 16.0);
- Point p4 = endpoint + (orthogonal * 16.0);
- Point p5 = position + (orthogonal * 4.0);
- Point p6 = endpoint + (orthogonal * 4.0);
+ Point p3 = position + (orthogonal * 16.0 * size);
+ Point p4 = endpoint + (orthogonal * 16.0 * size);
+ Point p5 = position + (orthogonal * 4.0 * size);
+ Point p6 = endpoint + (orthogonal * 4.0 * size);
// Draw extension lines
- painter->drawLine(QPointF(p3.x, p3.y), QPointF(p5.x, p5.y));
- painter->drawLine(QPointF(p4.x, p4.y), QPointF(p6.x, p6.y));
+ painter->DrawLine(p3, p5);
+ painter->DrawLine(p4, p6);
+
+ // Calculate whether or not the arrowheads are too crowded to put inside
+ // the extension lines. 9.0 is the length of the arrowhead.
+ double t = Vector::Parameter(position, endpoint, endpoint - (unit * 9.0 * size));
+//printf("Dimension::Draw(): t = %lf\n", t);
+
+ if (t > 0.5)
+ {
+ // Draw main dimension line + arrowheads
+ painter->DrawLine(p1, p2);
+ painter->DrawArrowhead(p1, p2, size);
+ painter->DrawArrowhead(p2, p1, size);
+ }
+ else
+ {
+ Point p7 = p1 - (unit * 9.0 * size);
+ Point p8 = p2 + (unit * 9.0 * size);
+ painter->DrawArrowhead(p1, p7, size);
+ painter->DrawArrowhead(p2, p8, size);
+ painter->DrawLine(p1, p1 - (unit * 14.0 * size));
+ painter->DrawLine(p2, p2 + (unit * 14.0 * size));
+ }
// Draw length of dimension line...
- painter->setFont(QFont("Arial", 10));
+ painter->SetFont(QFont("Arial", 10.0 * Painter::zoom * size));
Vector v1((p1.x - p2.x) / 2.0, (p1.y - p2.y) / 2.0);
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->DrawAngledText(ctr, angle, dimText, size);
}
-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, 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)
{
return endpoint + v;
}
+
/*virtual*/ bool Dimension::Collided(Vector /*point*/)
{
#if 0
return false;
}
+
/*virtual*/ void Dimension::PointerMoved(Vector point)
{
// We know this is true because mouse move messages don't come here unless
needUpdate = false;
}
+
/*virtual*/ void Dimension::PointerReleased(void)
{
if (draggingHandle1 || draggingHandle2)
state = oldState;
}
-void Dimension::SetPoint1(Vector * v)
+
+/*virtual*/ void Dimension::Enumerate(FILE * file)
{
- point1 = v;
- needUpdate = true;
+ fprintf(file, "DIMENSION (%lf,%lf) (%lf,%lf) %i\n", position.x, position.y, endpoint.x, endpoint.y, type);
+}
+
+
+// Dimensions are special: they contain exactly *two* points. Here, we check
+// only for zero/non-zero in returning the correct points.
+/*virtual*/ Vector Dimension::GetPointAtParameter(double parameter)
+{
+ if (parameter == 0)
+ return position;
+
+ return endpoint;
}
-void Dimension::SetPoint2(Vector * v)
+
+/*virtual*/ void Dimension::Connect(Object * obj, double param)
{
- point2 = v;
- needUpdate = true;
+ // There are four possibilities here...
+ // The param is only looking for 0 or 1 here.
+ if (point1.object == NULL && point2.object == NULL)
+ {
+ point1.object = obj;
+ point1.t = param;
+ }
+ else if (point1.object == NULL && point2.object != NULL)
+ {
+ if (point2.t == param)
+ point2.object = obj;
+ else
+ {
+ point1.object = obj;
+ point1.t = param;
+ }
+ }
+ else if (point1.object != NULL && point2.object == NULL)
+ {
+ if (point1.t == param)
+ point1.object = obj;
+ else
+ {
+ point2.object = obj;
+ point2.t = param;
+ }
+ }
+ else if (point1.object != NULL && point2.object != NULL)
+ {
+ if (point1.t == param)
+ point1.object = obj;
+ else
+ point2.object = obj;
+ }
+}
+
+
+/*virtual*/ void Dimension::Disconnect(Object * obj, double param)
+{
+ if (point1.object == obj && point1.t == param)
+ point1.object = NULL;
+ else if (point2.object == obj && point2.t == param)
+ point2.object = NULL;
+}
+
+
+/*virtual*/ void Dimension::DisconnectAll(Object * obj)
+{
+ if (point1.object == obj)
+ point1.object = NULL;
+
+ if (point2.object == obj)
+ point2.object = NULL;
+}
+
+
+/*virtual*/ QRectF Dimension::Extents(void)
+{
+ Point p1 = position;
+ Point p2 = endpoint;
+
+ if (point1.object)
+ p1 = point1.object->GetPointAtParameter(point1.t);
+
+ if (point2.object)
+ p2 = point2.object->GetPointAtParameter(point2.t);
+
+ return QRectF(QPointF(p1.x, p1.y), QPointF(p2.x, p2.y));
}
+
+#if 0
+/*virtual*/ ObjectType Dimension::Type(void)
+{
+ return OTDimension;
+}
+#endif
+
+
void Dimension::FlipSides(void)
{
#if 0
position = endpoint;
endpoint = tmp;
#else
- Vector * tmp = point1;
+ Connection tmp = point1;
point1 = point2;
point2 = tmp;
+// double tmp = point1.t;
+// point1.t = point2.t;
+// point2.t = tmp;
+// Object * tmp = point1.object;
+// point1.object = point2.object;
+// point2.object = tmp;
#endif
needUpdate = true;
}
+