#include "drawingview.h"
#include <stdint.h>
-#include "mathconstants.h"
-
-//#include "arc.h"
-//#include "circle.h"
-//#include "dimension.h"
-//#include "geometry.h"
-//#include "line.h"
+#include "geometry.h"
#include "global.h"
+#include "mathconstants.h"
#include "painter.h"
+#include "structs.h"
#define BACKGROUND_MAX_SIZE 512
// Alternate way to do the above...
line->SetDimensionOnLine();
#endif
+#else
+ Line * line = new Line;//(Vector(5, 5), Vector(50, 40), &document);
+ line->p1 = Vector(5, 5);
+ line->p2 = Vector(50, 40);
+ line->type = OTLine;
+ 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)));
+ document.objects.push_back(new Circle(Vector(100, 100), 36));
+ 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
/*
The drawing enforces the grid spacing through the drawing->gridSpacing variable.
- drawing->gridSpacing = 12.0 / Painter::zoom;
+ drawing->gridSpacing = 12.0 / Global::zoom;
-Painter::zoom is the zoom factor for the drawing, and all mouse clicks are
-translated to Cartesian coordinates through this. (Initially, Painter::zoom is
+Global::zoom is the zoom factor for the drawing, and all mouse clicks are
+translated to Cartesian coordinates through this. (Initially, Global::zoom is
set to 1.0. SCREEN_ZOOM is set to 1.0/4.0.)
Really, the 100% zoom level can be set at *any* zoom level, it's more of a
this. Maybe this is the case for having a base unit and basing point sizes off
of that.
-Here's what's been figured out. Painter::zoom is simply the ratio of pixels to
+Here's what's been figured out. Global::zoom is simply the ratio of pixels to
base units. What that means is that if you have a 12px grid with a 6" grid size
-(& base unit of "inches"), Painter::zoom becomes 12px / 6" = 2.0 px/in.
+(& base unit of "inches"), Global::zoom becomes 12px / 6" = 2.0 px/in.
Dimensions now have a "size" parameter to set their absolute size in relation
to the base unit. ATM, the arrows are drawn in pixels, but also scaled by
-Painter::zoom *and* size. Same with the dimension text; it's drawn at 10pt and
+Global::zoom *and* size. Same with the dimension text; it's drawn at 10pt and
scaled the same way as the arrowheads.
Need a way to scale line widths as well. :-/ Shouldn't be too difficult, just
// Set up new BG brush & zoom level (pixels per base unit)
// Painter::zoom = gridPixels / gridSpacing;
- Painter::zoom = gridPixels / Global::gridSpacing;
+ Global::zoom = gridPixels / Global::gridSpacing;
UpdateGridBackground();
}
// The top level document takes care of rendering for us...
// document.Draw(&painter);
+ // Not any more it doesn't...
+ RenderObjects(&painter, &document);
#if 0
if (toolAction)
}
+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);
+ 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;
+ painter->DrawLine(l->p1, l->p2);
+ break;
+ }
+ case OTCircle:
+ {
+ Circle * ci = (Circle *)obj;
+ painter->SetBrush(QBrush(Qt::NoBrush));
+ painter->DrawEllipse(ci->p1, ci->radius, ci->radius);
+ break;
+ }
+ case OTArc:
+ {
+ Arc * a = (Arc *)obj;
+ 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:
+ break;
+ }
+ }
+}
+
+
void DrawingView::resizeEvent(QResizeEvent * /*event*/)
{
- Painter::screenSize = Vector(size().width(), size().height());
+ Global::screenSize = Vector(size().width(), size().height());
UpdateGridBackground();
}
// Since we're using Qt coords for scrolling, we have to adjust them here to
// conform to Cartesian coords, since the origin is using Cartesian. :-)
Vector delta(oldPoint, point);
- delta /= Painter::zoom;
+ delta /= Global::zoom;
delta.y = -delta.y;
- Painter::origin -= delta;
+ Global::origin -= delta;
UpdateGridBackground();
update();
}
#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...
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
}
// This is not centering for some reason. Need to figure out why. :-/
if (event->delta() > 0)
{
- Vector newOrigin = center - ((center - Painter::origin) / zoomFactor);
- Painter::origin = newOrigin;
- Painter::zoom *= zoomFactor;
+ Vector newOrigin = center - ((center - Global::origin) / zoomFactor);
+ Global::origin = newOrigin;
+ Global::zoom *= zoomFactor;
}
else
{
- Vector newOrigin = center + ((-center + Painter::origin) * zoomFactor);
- Painter::origin = newOrigin;
- Painter::zoom /= zoomFactor;
+ Vector newOrigin = center + ((-center + Global::origin) * zoomFactor);
+ Global::origin = newOrigin;
+ Global::zoom /= zoomFactor;
}
#if 1
// Global::gridSpacing = gridPixels / Painter::zoom;
// UpdateGridBackground();
- SetGridSize(Global::gridSpacing * Painter::zoom);
+ SetGridSize(Global::gridSpacing * Global::zoom);
update();
// zoomIndicator->setText(QString("Grid: %1\", BU: Inch").arg(Global::gridSpacing));
#endif
projects / architektonas / blobdiff