// (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
// --- ---------- ------------------------------------------------------------
#include <QtGui>
#include "mathconstants.h"
+#include "painter.h"
-Arc::Arc(Vector p1, double r, double a1, double a2, Object * p/*= NULL*/): Object(p1, p),
- radius(r), startAngle(a1), angleSpan(a2)
+Arc::Arc(Vector p1, double r, double a1, double a2, Object * p/*= NULL*/):
+ Object(p1, p), /*type(OTArc),*/ radius(r), startAngle(a1), angleSpan(a2)
{
+ // This is in the base class, why can't we use the contructor to fill it???
+ type = OTArc;
}
+
Arc::~Arc()
{
}
-/*virtual*/ void Arc::Draw(QPainter * painter)
+
+/*virtual*/ void Arc::Draw(Painter * painter)
{
+ QPen pen;
+
if (state == OSSelected)
{
Point p1(cos(startAngle), sin(startAngle));
// moving it from.
Point p3(cos(oldAngle), sin(oldAngle));
Vector oldLine = (p3 * (radius * 1.25)) + position;
- painter->setPen(QPen(QColor(0x80, 0x80, 0x80), 1.0, Qt::DashLine));
- painter->drawLine((int)position.x, (int)position.y, (int)oldLine.x, (int)oldLine.y);
+ pen = QPen(QColor(0x80, 0x80, 0x80), 1.0, Qt::DashLine);
+ painter->SetPen(pen);
+ painter->DrawLine((int)position.x, (int)position.y, (int)oldLine.x, (int)oldLine.y);
}
// In rotating and setting the span, we draw a line showing where
// we angle/span is that we're setting.
- painter->setPen(QPen(QColor(0x00, 0xC0, 0x80), 1.0, Qt::DashLine));
- painter->drawLine((int)position.x, (int)position.y, (int)oldPoint.x, (int)oldPoint.y);
+ pen = QPen(QColor(0x00, 0xC0, 0x80), 1.0, Qt::DashLine);
+ painter->SetPen(pen);
+ painter->DrawLine((int)position.x, (int)position.y, (int)oldPoint.x, (int)oldPoint.y);
}
// Draw the center point of the arc
- painter->setPen(QPen(Qt::red, 2.0, Qt::DotLine));
- painter->drawEllipse(QPointF(position.x, position.y), 4.0, 4.0);
+ painter->SetPen(QPen(Qt::red, 2.0, Qt::DotLine));
+ painter->DrawHandle(position);
// Draw the rotation & span setting handles
- painter->drawEllipse(QPointF(handle2.x, handle2.y), 4.0, 4.0);
- painter->drawEllipse(QPointF(handle3.x, handle3.y), 4.0, 4.0);
+ painter->DrawHandle(handle2);
+ painter->DrawHandle(handle3);
// If we're rotating or setting the span, draw an information panel
// showing both absolute and relative angles being set.
double relAngle = (startAngle >= oldAngle ? startAngle - oldAngle :
startAngle - oldAngle + (2.0 * PI)) * RADIANS_TO_DEGREES;
- painter->save();
-//close, but no cigar. we need to "invert" our transformation to make this work properly
-// return QPoint(-offsetX + x, (size().height() - (-offsetY + y)) * +1.0);
-// painter->translate(0, viewportHeight);
-// painter->scale(1.0, -1.0);
-// Give up for now; just paint the info panel in the upper left corner of the screen
- painter->resetTransform();
QString text;
if (hitHandle2)
text = text.arg(radius, 0, 'd', 4).arg(radius / oldRadius * 100.0, 0, 'd', 0);
}
- painter->setPen(QPen(QColor(0x00, 0xFF, 0x00), 1.0, Qt::SolidLine));
- painter->setBrush(QBrush(QColor(0x40, 0xFF, 0x40, 0x9F)));
- QRectF textRect(10.0, 10.0, 220.0, 60.0); // x, y, w, h
- painter->drawRoundedRect(textRect, 7.0, 7.0);
+ pen = QPen(QColor(0x00, 0xFF, 0x00), 1.0, Qt::SolidLine);
+ painter->SetPen(pen);
+ painter->SetBrush(QBrush(QColor(0x40, 0xFF, 0x40, 0x9F)));
+ QRectF textRect(10.0, 10.0, 270.0, 70.0); // x, y, w, h
+ painter->DrawRoundedRect(textRect, 7.0, 7.0);
textRect.setLeft(textRect.left() + 14);
- painter->setFont(*Object::font);
- painter->setPen(QPen(QColor(0xDF, 0x5F, 0x00), 1.0, Qt::SolidLine));
- painter->drawText(textRect, Qt::AlignVCenter, text);
- painter->restore();
+ painter->SetFont(*Object::font);
+// pen = QPen(QColor(0xDF, 0x5F, 0x00), 1.0, Qt::SolidLine);
+ pen = QPen(QColor(0x00, 0x5F, 0xDF));
+ painter->SetPen(pen);
+ painter->DrawText(textRect, Qt::AlignVCenter, text);
+ painter->SetPen(QPen(QColor(0xDF, 0x5F, 0x00)));
}
-
-// painter->setPen(QPen(Qt::red, 2.0, Qt::DotLine));
}
else
- painter->setPen(QPen(Qt::black, 1.0, Qt::SolidLine));
+ {
+ pen = QPen(Qt::black, 1.0, Qt::SolidLine);
+ painter->SetPen(pen);
+ }
- QRectF rectangle(QPointF(position.x - radius, position.y - radius),
- QPointF(position.x + radius, position.y + radius));
- int angle1 = (int)(startAngle * RADIANS_TO_DEGREES * 16.0);
- int angle2 = (int)(angleSpan * RADIANS_TO_DEGREES * 16.0);
- painter->drawArc(rectangle, -angle1, -angle2);
+ painter->DrawArc(position, radius, startAngle, angleSpan);
+// painter->DrawRect(Extents());
}
+
/*virtual*/ Vector Arc::Center(void)
{
return position;
}
+
/*
We need at least *four* handles for this object:
- one for moving
return false;
}
+
/*virtual*/ void Arc::PointerMoved(Vector point)
{
+ if (selectionInProgress)
+ {
+ // Check for whether or not the rect contains this circle
+ if (selection.normalized().contains(Extents()))
+ state = OSSelected;
+ else
+ state = OSInactive;
+
+ return;
+ }
+
// The TLC will send these messages if the object is selected but not clicked on.
// So we have to be careful with our assumptions here.
// This is actually untrue in that case, we need to come up with something better
needUpdate = true;
}
+
/*virtual*/ void Arc::PointerReleased(void)
{
hitHandle1 = hitHandle2 = hitHandle3 = hitHandle4 = false;
// Here we check for just a click: If object was clicked and dragged, then
// revert to the old state (OSInactive). Otherwise, keep the new state that
// we set.
-/*Maybe it would be better to just check for "object was dragged" state and not have to worry
-about keeping track of old states...
-Well, we can't know if it was dragged from Inactive or not, that's the problem. We could make
-a variable called "needToRevertToInactive" instead
+/*
+Maybe it would be better to just check for "object was dragged" state and not
+have to worry about keeping track of old states...
+Well, we can't know if it was dragged from Inactive or not, that's the problem.
+We could make a variable called "needToRevertToInactive" instead
I mean, we could write like:
if (objectWasDragged && oldState == OSInactive)
state = oldState;
}
+
+/*virtual*/ QRectF Arc::Extents(void)
+{
+ double start = startAngle;
+ double end = start + angleSpan;
+ QPointF p1(cos(start), sin(start));
+ QPointF p2(cos(end), sin(end));
+ QRectF bounds(p1, p2);
+
+ // Swap X/Y coordinates if they're backwards...
+ if (bounds.left() > bounds.right())
+ {
+ double temp = bounds.left();
+ bounds.setLeft(bounds.right());
+ bounds.setRight(temp);
+ }
+
+ if (bounds.bottom() > bounds.top())
+ {
+ double temp = bounds.bottom();
+ bounds.setBottom(bounds.top());
+ bounds.setTop(temp);
+ }
+
+ // If the end of the arc is before the beginning, add 360 degrees to it
+ if (end < start)
+ end += 2.0 * PI;
+
+ // Adjust the bounds depending on which axes are crossed
+ if ((start < PI_OVER_2) && (end > PI_OVER_2))
+ bounds.setTop(1.0);
+
+ if ((start < PI) && (end > PI))
+ bounds.setLeft(-1.0);
+
+ if ((start < (PI + PI_OVER_2)) && (end > (PI + PI_OVER_2)))
+ bounds.setBottom(-1.0);
+
+ if ((start < (2.0 * PI)) && (end > (2.0 * PI)))
+ bounds.setRight(1.0);
+
+ if ((start < ((2.0 * PI) + PI_OVER_2)) && (end > ((2.0 * PI) + PI_OVER_2)))
+ bounds.setTop(1.0);
+
+ if ((start < (3.0 * PI)) && (end > (3.0 * PI)))
+ bounds.setLeft(-1.0);
+
+ if ((start < ((3.0 * PI) + PI_OVER_2)) && (end > ((3.0 * PI) + PI_OVER_2)))
+ bounds.setBottom(-1.0);
+
+ bounds.setTopLeft(QPointF(bounds.left() * radius, bounds.top() * radius));
+ bounds.setBottomRight(QPointF(bounds.right() * radius, bounds.bottom() * radius));
+ bounds.translate(position.x, position.y);
+ return bounds;
+}
+
+
#if 0
/*virtual*/ bool Arc::NeedsUpdate(void)
{
}
#endif
+
/*
start = 350, span = 20, end = 10, angle = 5
angle < start, so angle = 365
return (passedInSpan <= angleSpan ? true : false);
}
+
+
+/*virtual*/ void Arc::Enumerate(FILE * file)
+{
+ fprintf(file, "ARC (%lf,%lf) %lf, %lf, %lf\n", position.x, position.y, radius, startAngle, angleSpan);
+}
+
+
+/*virtual*/ Object * Arc::Copy(void)
+{
+#warning "!!! This doesn't take care of attached Dimensions !!!"
+/*
+This is a real problem. While having a pointer in the Dimension to this line's points
+is fast & easy, it creates a huge problem when trying to replicate an object like this.
+
+Maybe a way to fix that then, is to have reference numbers instead of pointers. That
+way, if you copy them, ... you might still have problems. Because you can't be sure if
+a copy will be persistant or not, you then *definitely* do not want them to have the
+same reference number.
+*/
+ return new Arc(position, radius, startAngle, angleSpan, parent);
+}
+
projects / architektonas / blobdiff