- }
-}
-
-
-#if 0
-QSize DrawingView::minimumSizeHint() const
-{
- return QSize(50, 50);
-}
-
-QSize DrawingView::sizeHint() const
-{
- return QSize(400, 400);
-}
-
-void DrawingView::CreateCursors(void)
-{
- int hotx[8] = { 1, 1, 11, 15, 1, 1, 1, 1 };
- int hoty[8] = { 1, 1, 11, 13, 1, 1, 1, 1 };
-
- for(int i=0; i<8; i++)
- {
- QString s;
- s.sprintf(":/res/cursor%u.png", i+1);
- QPixmap pmTmp(s);
- cur[i] = QCursor(pmTmp, hotx[i], hoty[i]);
- }
-}
-
-/*
-TODO:
- o Different colors for polys on selected points
- o Different colors for handles on non-selected polys
- o Line of sight (dashed, dotted) for off-curve points
- o Repaints for press/release of CTRL/SHIFT during point creation
-*/
-void DrawingView::paintEvent(QPaintEvent * /*event*/)
-{
- QPainter p(this);
-//hm, causes lockup
-// p.setRenderHint(QPainter::Antialiasing);
-//Doesn't do crap!
-//dc.SetBackground(*wxWHITE_BRUSH);
-
-// Due to the screwiness of wxWidgets coord system, the origin is ALWAYS
-// the upper left corner--regardless of axis orientation, etc...
-// int width, height;
-// dc.GetSize(&width, &height);
- QSize winSize = size();
-
-// dc.SetDeviceOrigin(-offsetX, height - (-offsetY));
-// dc.SetAxisOrientation(true, true);
- p.translate(QPoint(-offsetX, winSize.height() - (-offsetY)));
- p.scale(1.0, -1.0);
-
-// Scrolling can be done by using OffsetViewportOrgEx
-// Scaling can be done by adjusting SetWindowExtEx (it's denominator of txform)
-// you'd use: % = ViewportExt / WindowExt
-// But it makes the window look like crap: fuggetuboutit.
-// Instead, we have to scale EVERYTHING by hand. Crap!
-// It's not *that* bad, but not as convenient either...
-
-// dc.SetPen(*(wxThePenList->FindOrCreatePen(wxColour(0x00, 0x00, 0xFF), 1, wxDOT)));
-//// dc.DrawLine(0, 0, 10, 10);
- p.setPen(QPen(Qt::blue, 1.0, Qt::DotLine));
-
- // Draw coordinate axes
-
-// dc.CrossHair(0, 0);
- p.drawLine(0, -16384, 0, 16384);
- p.drawLine(-16384, 0, 16384, 0);
-
- // Draw points
-
- for(int i=0; i<pts.GetNumPoints(); i++)
- {
- if (i == ptHighlight)
- {
-// dc.SetPen(*(wxThePenList->FindOrCreatePen(wxColour(0xFF, 0x00, 0x00), 1, wxSOLID)));
-//// SelectObject(hdc, hRedPen1);
- p.setPen(QPen(Qt::red, 1.0, Qt::SolidLine));
-
- if (pts.GetOnCurve(i))
- {
- DrawSquareDotN(p, pts.GetX(i), pts.GetY(i), 7);
- DrawSquareDotN(p, pts.GetX(i), pts.GetY(i), 9);
- }
- else
- {
- DrawRoundDotN(p, pts.GetX(i), pts.GetY(i), 7);
- DrawRoundDotN(p, pts.GetX(i), pts.GetY(i), 9);
- }
- }
- else if ((i == ptHighlight || i == ptNextHighlight) && tool == TOOLAddPt)
- {
-// dc.SetPen(*(wxThePenList->FindOrCreatePen(wxColour(0x00, 0xAF, 0x00), 1, wxSOLID)));
-//// SelectObject(hdc, hGreenPen1);
- p.setPen(QPen(Qt::green, 1.0, Qt::SolidLine));
-
- if (pts.GetOnCurve(i))
- {
- DrawSquareDotN(p, pts.GetX(i), pts.GetY(i), 7);
- DrawSquareDotN(p, pts.GetX(i), pts.GetY(i), 9);
- }
- else
- {
- DrawRoundDotN(p, pts.GetX(i), pts.GetY(i), 7);
- DrawRoundDotN(p, pts.GetX(i), pts.GetY(i), 9);
- }
- }
- else
- {
-// dc.SetPen(*(wxThePenList->FindOrCreatePen(wxColour(0x00, 0x00, 0x00), 1, wxSOLID)));
-//// SelectObject(hdc, hBlackPen1);
- p.setPen(QPen(Qt::black, 1.0, Qt::SolidLine));
-
- if (pts.GetOnCurve(i))
- DrawSquareDot(p, pts.GetX(i), pts.GetY(i));
- else
- DrawRoundDot(p, pts.GetX(i), pts.GetY(i));
- }
-
- if (tool == TOOLDelPt && i == ptHighlight)
- {
-#if 0
- dc.SetPen(*(wxThePenList->FindOrCreatePen(wxColour(0xFF, 0x00, 0x00), 1, wxSOLID)));
-// SelectObject(hdc, hRedPen1);
-// MoveToEx(hdc, pts.GetX(i) - 5, pts.GetY(i) - 5, NULL);
-// LineTo(hdc, pts.GetX(i) + 5, pts.GetY(i) + 5);
-// LineTo(hdc, pts.GetX(i) - 5, pts.GetY(i) - 5);//Lameness!
-// MoveToEx(hdc, pts.GetX(i) - 5, pts.GetY(i) + 5, NULL);
-// LineTo(hdc, pts.GetX(i) + 5, pts.GetY(i) - 5);
-// LineTo(hdc, pts.GetX(i) - 5, pts.GetY(i) + 5);//More lameness!!
-#endif
- p.setPen(QPen(Qt::red, 1.0, Qt::SolidLine));
- p.drawLine(pts.GetX(i) - 5, pts.GetY(i) - 5, pts.GetX(i) + 5, pts.GetY(i) + 5);
- p.drawLine(pts.GetX(i) + 5, pts.GetY(i) - 5, pts.GetX(i) - 5, pts.GetY(i) + 5);
- }
- }
-
-//// SelectObject(hdc, hBlackPen1);
-// dc.SetPen(*(wxThePenList->FindOrCreatePen(wxColour(0x00, 0x00, 0x00), 1, wxSOLID)));
- p.setPen(QPen(Qt::black, 1.0, Qt::SolidLine));
-
- // Draw curve formed by points
-
- for(int poly=0; poly<pts.GetNumPolys(); poly++)
- {
- if (pts.GetNumPoints(poly) > 2)
- {
- // Initial move...
- // If it's not on curve, then move to it, otherwise move to last point...
-
- int x, y;
-
- if (pts.GetOnCurve(poly, pts.GetNumPoints(poly) - 1))
- x = (int)pts.GetX(poly, pts.GetNumPoints(poly) - 1), y = (int)pts.GetY(poly, pts.GetNumPoints(poly) - 1);
- else
- x = (int)pts.GetX(poly, 0), y = (int)pts.GetY(poly, 0);
-
- for(int i=0; i<pts.GetNumPoints(poly); i++)
- {
- if (pts.GetOnCurve(poly, i))
-// LineTo(hdc, pts.GetX(poly, i), pts.GetY(poly, i));
- {
- p.drawLine(x, y, pts.GetX(poly, i), pts.GetY(poly, i));
- x = (int)pts.GetX(poly, i), y = (int)pts.GetY(poly, i);
- }
- else
- {
- uint32 prev = pts.GetPrev(poly, i), next = pts.GetNext(poly, i);
- float px = pts.GetX(poly, prev), py = pts.GetY(poly, prev),
- nx = pts.GetX(poly, next), ny = pts.GetY(poly, next);
-
- if (!pts.GetOnCurve(poly, prev))
- px = (px + pts.GetX(poly, i)) / 2.0f,
- py = (py + pts.GetY(poly, i)) / 2.0f;
-
- if (!pts.GetOnCurve(poly, next))
- nx = (nx + pts.GetX(poly, i)) / 2.0f,
- ny = (ny + pts.GetY(poly, i)) / 2.0f;
-
- Bezier(p, point(px, py), point(pts.GetX(poly, i), pts.GetY(poly, i)), point(nx, ny));
- x = (int)nx, y = (int)ny;
-
- if (pts.GetOnCurve(poly, next))
- i++; // Following point is on curve, so move past it
- }
- }
- }
- }
-}
-
-void DrawingView::mousePressEvent(QMouseEvent * event)
-{
- if (event->button() == Qt::RightButton)
- {
- toolPalette->move(event->globalPos());
- toolPalette->setVisible(true);
- setCursor(cur[TOOLSelect]);
- toolPalette->prevTool = TOOLSelect;
- }
- else if (event->button() == Qt::MidButton)
- {
- setCursor(cur[2]); // Scrolling cursor
- }
- else if (event->button() == Qt::LeftButton)
- {
- if (tool == TOOLScroll || tool == TOOLZoom)
-;//meh CaptureMouse(); // Make sure we capture the mouse when in scroll/zoom mode
- else if (tool == TOOLAddPt) // "Add Point" tool
- {
- if (pts.GetNumPoints() > 0)
- {
- QPoint pt = GetAdjustedMousePosition(event);
- pts.InsertPoint(pts.GetNext(ptHighlight), pt.x(), pt.y(), ((event->modifiers() == Qt::ShiftModifier || event->modifiers() == Qt::ControlModifier) ? false : true));
- ptHighlight = ptNextHighlight;
- update();
- }
- }
- else if (tool == TOOLAddPoly) // "Add Poly" tool
- {
-#ifdef DEBUGFOO
-WriteLogMsg("Adding point... # polys: %u, # points: %u", pts.GetNumPolys(), pts.GetNumPoints());
-#endif
- if (polyFirstPoint)
- {
- polyFirstPoint = false;
- pts.AddNewPolyAtEnd();
- }
-
- QPoint pt = GetAdjustedMousePosition(event);
-//printf("GetAdjustedMousePosition = %i, %i\n", pt.x(), pt.y());
- // Append a point to the end of the structure
- pts += IPoint(pt.x(), pt.y(), ((event->modifiers() == Qt::ShiftModifier || event->modifiers() == Qt::ControlModifier) ? false : true));
- ptHighlight = pts.GetNumPoints() - 1;
- update();
-#ifdef DEBUGFOO
-WriteLogMsg(" --> [# polys: %u, # points: %u]\n", pts.GetNumPolys(), pts.GetNumPoints());
-#endif
- }
- else if (tool == TOOLSelect || tool == TOOLPolySelect)
- {
- if (pts.GetNumPoints() > 0)
- {
- pt = GetAdjustedClientPosition(pts.GetX(ptHighlight), pts.GetY(ptHighlight));
-//printf("GetAdjustedClientPosition = %i, %i\n", pt.x(), pt.y());
-// WarpPointer(pt.x, pt.y);
- QCursor::setPos(mapToGlobal(pt));
-
- if (event->modifiers() == Qt::ShiftModifier || event->modifiers() == Qt::ControlModifier)
- {
- pts.SetOnCurve(ptHighlight, !pts.GetOnCurve(ptHighlight));
- update();
- }
- }
- }
- else if (tool == TOOLDelPt)
- {
- if (pts.GetNumPoints() > 0)
-//Or could use:
-// if (ptHighlight != -1)
- {
-//This assumes that WM_MOUSEMOVE happens before this!
-//The above commented out line should take care of this contingency... !!! FIX !!!
- pts.DeletePoint(ptHighlight);
- update();
- }
- }
- }
-
- event->accept();
-}
-
-void DrawingView::mouseMoveEvent(QMouseEvent * event)
-{
- if (event->buttons() == Qt::RightButton)
- {
- ToolType newTool = toolPalette->FindSelectedTool();
-
- if (newTool != toolPalette->prevTool)
- {
- toolPalette->prevTool = newTool;
- toolPalette->repaint();
- }
- }
- else if (event->buttons() == Qt::MidButton)
- {
- // Calc offset from previous point
- pt = event->pos();
- ptOffset = QPoint(pt.x() - ptPrevious.x(), pt.y() - ptPrevious.y());
-
-// Then multiply it by the scaling factor. Whee!
- // This looks wacky because we're using screen coords for the offset...
- // Otherwise, we would subtract both offsets!
- offsetX -= ptOffset.x(), offsetY += ptOffset.y();
- update();
- ptPrevious = pt;
- }
- else if (event->buttons() == Qt::LeftButton)
- {
-#if 0
- if (tool == TOOLScroll)
- {
- // Extract current point from lParam/calc offset from previous point
-
- pt = e.GetPosition();
- ptOffset.x = pt.x - ptPrevious.x,
- ptOffset.y = pt.y - ptPrevious.y;
-
- // NOTE: OffsetViewportOrg operates in DEVICE UNITS...
-
-//Seems there's no equivalent for this in wxWidgets...!
-//!!! FIX !!!
-// hdc = GetDC(hWnd);
-// OffsetViewportOrgEx(hdc, ptOffset.x, ptOffset.y, NULL);
-// ReleaseDC(hWnd, hdc);
-
-// this shows that it works, so the logic above must be faulty...
-// And it is. It should convert the coords first, then do the subtraction to figure the offset...
-// Above: DONE
-// Then multiply it by the scaling factor. Whee!
- // This looks wacky because we're using screen coords for the offset...
- // Otherwise, we would subtract both offsets!
- offsetX -= ptOffset.x, offsetY += ptOffset.y;
- Refresh();
- }
- else
-#endif
- if (tool == TOOLAddPt || tool == TOOLAddPoly || tool == TOOLSelect)
- {
- if (tool != TOOLAddPt || pts.GetNumPoints() > 0)//yecch.
- {
-//temporary, for testing. BTW, Select drag bug is here...!
-#if 1
- QPoint pt2 = GetAdjustedMousePosition(event);
- pts.SetXY(ptHighlight, pt2.x(), pt2.y());
- update();
-#endif
- }
- }
- else if (tool == TOOLPolySelect)
- {
- if (pts.GetNumPoints() > 0)
- {
- QPoint pt2 = GetAdjustedMousePosition(event);
- // Should also set onCurve here as well, depending on keystate
-//Or should we?
- pts.OffsetPoly(pts.GetPoly(ptHighlight), pt2.x() - pts.GetX(ptHighlight), pt2.y() - pts.GetY(ptHighlight));
- update();
- }
- }
- }
- else if (event->buttons() == Qt::NoButton)
- {
- // Moving, not dragging...
- if (tool == TOOLSelect || tool == TOOLDelPt || tool == TOOLAddPt
- || tool == TOOLPolySelect)// || tool == TOOLAddPoly)
- {
- QPoint pt2 = GetAdjustedMousePosition(event);
- double closest = 1.0e+99;
-
- for(int i=0; i<pts.GetNumPoints(); i++)
- {
- double dist = ((pt2.x() - pts.GetX(i)) * (pt2.x() - pts.GetX(i)))
- + ((pt2.y() - pts.GetY(i)) * (pt2.y() - pts.GetY(i)));
-
- if (dist < closest)
- closest = dist, ptHighlight = i;
- }
-
- if (ptHighlight != oldPtHighlight)
- {
- oldPtHighlight = ptHighlight;
- update();
- }
-
- // What follows here looks like voodoo, but is really simple. What we do is
- // check to see if the mouse point has a perpendicular intersection with any of
- // the line segments. If it does, calculate the length of the perpendicular
- // and choose the smallest length. If there is no perpendicular, then choose the
- // length of line connecting the closer of either the first endpoint or the
- // second and choose the smallest of those.
-
- // There is one bit of math that looks like voodoo to me ATM--will explain once
- // I understand it better (the calculation of the length of the perpendicular).
-
- if (pts.GetNumPoints() > 1 && tool == TOOLAddPt)
- {
- double smallest = 1.0e+99;
-
- for(int i=0; i<pts.GetNumPoints(); i++)
- {
- int32 p1x = pts.GetX(i), p1y = pts.GetY(i),
- p2x = pts.GetX(pts.GetNext(i)), p2y = pts.GetY(pts.GetNext(i));
-
- vector ls(p2x, p2y, 0, p1x, p1y, 0), v1(pt2.x(), pt2.y(), 0, p1x, p1y, 0),
- v2(pt2.x(), pt2.y(), 0, p2x, p2y, 0);
- double pp = ls.dot(v1) / ls.length(), dist;
-// Geometric interpretation:
-// pp is the paremeterized point on the vector ls where the perpendicular intersects ls.
-// If pp < 0, then the perpendicular lies beyond the 1st endpoint. If pp > length of ls,
-// then the perpendicular lies beyond the 2nd endpoint.
-
- if (pp < 0.0)
- dist = v1.length();
- else if (pp > ls.length())
- dist = v2.length();
- else // distance = ?Det?(ls, v1) / |ls|
- dist = fabs((ls.x * v1.y - v1.x * ls.y) / ls.length());
-
-//The answer to the above looks like it might be found here:
-//
-//If the segment endpoints are s and e, and the point is p, then the test for the perpendicular
-//intercepting the segment is equivalent to insisting that the two dot products {s-e}.{s-p} and
-//{e-s}.{e-p} are both non-negative. Perpendicular distance from the point to the segment is
-//computed by first computing the area of the triangle the three points form, then dividing by the
-//length of the segment. Distances are done just by the Pythagorean theorem. Twice the area of the
-//triangle formed by three points is the determinant of the following matrix:
-//
-//sx sy 1
-//ex ey 1
-//px py 1
-//
-//By translating the start point to the origin, this can be rewritten as:
-//By subtracting row 1 from all rows, you get the following:
-//[because sx = sy = 0. you could leave out the -sx/y terms below. because we subtracted
-// row 1 from all rows (including row 1) row 1 turns out to be zero. duh!]
-//
-//0 0 0
-//(ex - sx) (ey - sy) 0
-//(px - sx) (py - sy) 0
-//
-//which greatly simplifies the calculation of the determinant.
-
- if (dist < smallest)
- smallest = dist, ptNextHighlight = pts.GetNext(i), ptHighlight = i;
- }