]> Shamusworld >> Repos - architektonas/blobdiff - src/drawingview.cpp
Lines respond to mouse movement, added Text rendering.
[architektonas] / src / drawingview.cpp
index e93161a5a7235c544f93f0ae64b85d37e56c8c5f..58e0979495b3794d2df175ced51453ac6b6a912b 100644 (file)
@@ -30,6 +30,7 @@
 #include "drawingview.h"
 
 #include <stdint.h>
+#include "geometry.h"
 #include "global.h"
 #include "mathconstants.h"
 #include "painter.h"
@@ -78,7 +79,9 @@ DrawingView::DrawingView(QWidget * parent/*= NULL*/): QWidget(parent),
        line->p1 = Vector(5, 5);
        line->p2 = Vector(50, 40);
        line->type = OTLine;
-       line->thickness = 1.0;
+       line->thickness = 2.0;
+       line->style = LSDash;
+       line->color = 0xFF7F00;
        document.objects.push_back(line);
        document.objects.push_back(new Line(Vector(50, 40), Vector(10, 83)));
        document.objects.push_back(new Line(Vector(10, 83), Vector(17, 2)));
@@ -86,6 +89,8 @@ DrawingView::DrawingView(QWidget * parent/*= NULL*/): QWidget(parent),
        document.objects.push_back(new Circle(Vector(50, 150), 49));
        document.objects.push_back(new Arc(Vector(300, 300), 32, PI / 4.0, PI * 1.3)),
        document.objects.push_back(new Arc(Vector(200, 200), 60, PI / 2.0, PI * 1.5));
+       document.objects.push_back(new Dimension(Vector(50, 40), Vector(5, 5)));
+       document.objects.push_back(new Text(Vector(10, 83), "Tyegxt!"));
 #endif
 
 /*
@@ -341,33 +346,175 @@ void DrawingView::paintEvent(QPaintEvent * /*event*/)
 }
 
 
-void DrawingView::RenderObjects(Painter * p, Container * c)
+void DrawingView::RenderObjects(Painter * painter, Container * c)
 {
        std::vector<void *>::iterator i;
 
        for(i=c->objects.begin(); i!=c->objects.end(); i++)
        {
                Object * obj = (Object *)(*i);
-               p->SetPen(QPen(Qt::black, 1.0 * Global::zoom * obj->thickness, Qt::SolidLine));
+               float scaledThickness = Global::scale * obj->thickness;
+               painter->SetPen(obj->color, Global::zoom * scaledThickness, obj->style);
+               painter->SetBrush(obj->color);
+
+               if (obj->selected || obj->hovered)
+                       painter->SetPen(0xFF0000, Global::zoom * scaledThickness, LSDash);
 
                switch (obj->type)
                {
                case OTLine:
                {
                        Line * l = (Line *)obj;
-                       p->DrawLine(l->p1, l->p2);
+                       painter->DrawLine(l->p1, l->p2);
                        break;
                }
                case OTCircle:
                {
                        Circle * ci = (Circle *)obj;
-                       p->DrawEllipse(ci->p1, ci->radius, ci->radius);
+                       painter->SetBrush(QBrush(Qt::NoBrush));
+                       painter->DrawEllipse(ci->p1, ci->radius, ci->radius);
                        break;
                }
                case OTArc:
                {
                        Arc * a = (Arc *)obj;
-                       p->DrawArc(a->p1, a->radius, a->angle1, a->angle2);
+                       painter->DrawArc(a->p1, a->radius, a->angle1, a->angle2);
+                       break;
+               }
+               case OTDimension:
+               {
+                       Dimension * d = (Dimension *)obj;
+
+                       Vector v(d->p1, d->p2);
+                       double angle = v.Angle();
+                       Vector unit = v.Unit();
+                       Vector linePt1 = d->p1, linePt2 = d->p2;
+                       Vector ortho;
+                       double x1, y1, length;
+
+                       if (d->subtype == DTLinearVert)
+                       {
+                               if ((angle < 0) || (angle > PI))
+                               {
+                                       x1 = (d->p1.x > d->p2.x ? d->p1.x : d->p2.x);
+                                       y1 = (d->p1.y > d->p2.y ? d->p1.y : d->p2.y);
+                                       ortho = Vector(1.0, 0);
+                                       angle = PI3_OVER_2;
+                               }
+                               else
+                               {
+                                       x1 = (d->p1.x > d->p2.x ? d->p2.x : d->p1.x);
+                                       y1 = (d->p1.y > d->p2.y ? d->p2.y : d->p1.y);
+                                       ortho = Vector(-1.0, 0);
+                                       angle = PI_OVER_2;
+                               }
+
+                               linePt1.x = linePt2.x = x1;
+                               length = fabs(d->p1.y - d->p2.y);
+                       }
+                       else if (d->subtype == DTLinearHorz)
+                       {
+                               if ((angle < PI_OVER_2) || (angle > PI3_OVER_2))
+                               {
+                                       x1 = (d->p1.x > d->p2.x ? d->p1.x : d->p2.x);
+                                       y1 = (d->p1.y > d->p2.y ? d->p1.y : d->p2.y);
+                                       ortho = Vector(0, 1.0);
+                                       angle = 0;
+                               }
+                               else
+                               {
+                                       x1 = (d->p1.x > d->p2.x ? d->p2.x : d->p1.x);
+                                       y1 = (d->p1.y > d->p2.y ? d->p2.y : d->p1.y);
+                                       ortho = Vector(0, -1.0);
+                                       angle = PI;
+                               }
+
+                               linePt1.y = linePt2.y = y1;
+                               length = fabs(d->p1.x - d->p2.x);
+                       }
+                       else if (d->subtype == DTLinear)
+                       {
+                               angle = Vector(linePt1, linePt2).Angle();
+                               ortho = Vector::Normal(linePt1, linePt2);
+                               length = v.Magnitude();
+                       }
+
+                       unit = Vector(linePt1, linePt2).Unit();
+
+                       Point p1 = linePt1 + (ortho * 10.0 * scaledThickness);
+                       Point p2 = linePt2 + (ortho * 10.0 * scaledThickness);
+                       Point p3 = linePt1 + (ortho * 16.0 * scaledThickness);
+                       Point p4 = linePt2 + (ortho * 16.0 * scaledThickness);
+                       Point p5 = d->p1 + (ortho * 4.0 * scaledThickness);
+                       Point p6 = d->p2 + (ortho * 4.0 * scaledThickness);
+
+               /*
+               The numbers hardcoded into here, what are they?
+               I believe they are pixels.
+               */
+                       // Draw extension lines (if certain type)
+                       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 = Geometry::ParameterOfLineAndPoint(linePt1, linePt2, linePt2 - (unit * 9.0 * scaledThickness));
+               //printf("Dimension::Draw(): t = %lf\n", t);
+
+               // On the screen, it's acting like this is actually 58%...
+               // This is correct, we want it to happen at > 50%
+                       if (t > 0.58)
+                       {
+                               // Draw main dimension line + arrowheads
+                               painter->DrawLine(p1, p2);
+                               painter->DrawArrowhead(p1, p2, scaledThickness);
+                               painter->DrawArrowhead(p2, p1, scaledThickness);
+                       }
+                       else
+                       {
+                               // Draw outside arrowheads
+                               Point p7 = p1 - (unit * 9.0 * scaledThickness);
+                               Point p8 = p2 + (unit * 9.0 * scaledThickness);
+                               painter->DrawArrowhead(p1, p7, scaledThickness);
+                               painter->DrawArrowhead(p2, p8, scaledThickness);
+                               painter->DrawLine(p1, p1 - (unit * 14.0 * scaledThickness));
+                               painter->DrawLine(p2, p2 + (unit * 14.0 * scaledThickness));
+                       }
+
+                       // Draw length of dimension line...
+                       painter->SetFont(QFont("Arial", 8.0 * Global::zoom * scaledThickness));
+                       Point ctr = p2 + (Vector(p2, p1) / 2.0);
+
+               #if 0
+                       QString dimText = QString("%1\"").arg(Vector(endpoint - position).Magnitude());
+               #else
+                       QString dimText;
+
+                       if (length < 12.0)
+                               dimText = QString("%1\"").arg(length);
+                       else
+                       {
+                               double feet = (double)((int)length / 12);
+                               double inches = length - (feet * 12.0);
+
+                               if (inches == 0)
+                                       dimText = QString("%1'").arg(feet);
+                               else
+                                       dimText = QString("%1' %2\"").arg(feet).arg(inches);
+                       }
+               #endif
+
+                       painter->DrawAngledText(ctr, angle, dimText, scaledThickness);
+
+                       break;
+               }
+               case OTText:
+               {
+                       Text * t = (Text *)obj;
+
+                       for(float angle=0; angle<(PI*3.0/2.0); angle+=PI/8.0)
+                               painter->DrawTextObject(t->p1, t->s.c_str(), scaledThickness, angle);
+
                        break;
                }
                default:
@@ -473,6 +620,109 @@ void DrawingView::mouseMoveEvent(QMouseEvent * event)
        }
 #endif
 
+       // Do checking here to see if object can be selected or not
+       if (Global::selectionInProgress)
+       {
+               std::vector<void *>::iterator i;
+//             QRectF bounds;
+
+               for(i=document.objects.begin(); i!=document.objects.end(); i++)
+               {
+                       Object * obj = (Object *)(*i);
+                       obj->selected = false;
+//                     QRectF extents;
+
+                       switch (obj->type)
+                       {
+                       case OTLine:
+                       {
+                               Line * l = (Line *)obj;
+
+                               if (Global::selection.contains(l->p1.x, l->p1.y) && Global::selection.contains(l->p2.x, l->p2.y))
+                                       l->selected = true;
+
+                               break;
+                       }
+                       case OTCircle:
+                       {
+                               Circle * c = (Circle *)obj;
+
+                               if (Global::selection.contains(c->p1.x - c->radius, c->p1.y - c->radius) && Global::selection.contains(c->p1.x + c->radius, c->p1.y + c->radius))
+                                       c->selected = true;
+
+                               break;
+                       }
+                       case OTArc:
+                       {
+                               Arc * a = (Arc *)obj;
+
+       double start = a->angle1;
+       double end = start + a->angle2;
+       QPointF p1(cos(start), sin(start));
+       QPointF p2(cos(end), sin(end));
+       QRectF bounds(p1, p2);
+
+#if 1
+       // 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);
+       }
+#else
+       // Doesn't work as advertised! For shame!
+       bounds = bounds.normalized();
+#endif
+
+       // 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() * a->radius, bounds.top() * a->radius));
+       bounds.setBottomRight(QPointF(bounds.right() * a->radius, bounds.bottom() * a->radius));
+       bounds.translate(a->p1.x, a->p1.y);
+
+                               if (Global::selection.contains(bounds))
+                                       a->selected = true;
+
+                               break;
+                       }
+                       default:
+                               break;
+                       }
+               }
+       }
+
 //     oldPoint = point;
 //we should keep track of the last point here and only pass this down *if* the point
 //changed...
@@ -551,14 +801,86 @@ selected object last and thus fucks up the algorithm. Need to fix this...
                toolAction->MouseMoved(point);
        }
 #endif
+       bool needUpdate = false;
+
+       // Don't do this kind of checking unless we're not doing a selection rectangle!
+       // Hmm, lines don't stay selected if globally selected... !!! FIX !!!
+       // it's because there were extra state variables, the hit* vars...
+       if (!Global::selectionInProgress)
+       {
+       std::vector<void *>::iterator i;
+       int numHovered = 0;
+
+       for(i=document.objects.begin(); i!=document.objects.end(); i++)
+       {
+               Object * obj = (Object *)(*i);
+//             obj->selected = false;
+
+               switch (obj->type)
+               {
+               case OTLine:
+               {
+                       Line * l = (Line *)obj;
+
+//     bool hitPoint1, hitPoint2, hitLine;
+       l->hitPoint[0] = l->hitPoint[1] = l->hitObject = false;
+       Vector lineSegment = l->p2 - l->p1;
+       Vector v1 = point - l->p1;
+       Vector v2 = point - l->p2;
+       double t = Geometry::ParameterOfLineAndPoint(l->p1, l->p2, point);
+       double distance;
+
+       if (t < 0.0)
+               distance = v1.Magnitude();
+       else if (t > 1.0)
+               distance = v2.Magnitude();
+       else
+               // distance = ?Det?(ls, v1) / |ls|
+               distance = fabs((lineSegment.x * v1.y - v1.x * lineSegment.y)
+                       / lineSegment.Magnitude());
+
+       if ((v1.Magnitude() * Global::zoom) < 8.0)
+       {
+               l->hitPoint[0] = true;
+//             snapPoint = l->p1;
+//             snapPointIsValid = true;
+       }
+       else if ((v2.Magnitude() * Global::zoom) < 8.0)
+       {
+               l->hitPoint[1] = true;
+//             snapPoint = l->p2;
+//             snapPointIsValid = true;
+       }
+       else if ((distance * Global::zoom) < 5.0)
+               l->hitObject = true;
+
+       bool oldHovered = l->hovered;
+       l->hovered = (l->hitPoint[0] || l->hitPoint[1] || l->hitObject ? true : false);
+
+       if (oldHovered != l->hovered)
+               needUpdate = true;
+
+                       break;
+               }
+               case OTCircle:
+               {
+                       Circle * c = (Circle *)obj;
+
+
+                       break;
+               }
+               default:
+                       break;
+               }
+       }
+       }
 
        // This is used to draw the tool crosshair...
        oldPoint = point;
 
-#if 1
-       if (/*document.NeedsUpdate() ||*/ Global::selectionInProgress /*|| toolAction*/)
+//     if (/*document.NeedsUpdate() ||*/ Global::selectionInProgress /*|| toolAction*/)
+       if (needUpdate || Global::selectionInProgress)
                update();
-#endif
 }