Manipulator* LineView::CreateManipulator (
Viewer* v, Event& e, Transformer* rel, Tool* tool
) {
Coord x0, y0, x1, y1;
Rubberband* rub = nil;
Manipulator* m = nil;
if (tool->IsA(GRAPHIC_COMP_TOOL)) {
v->Constrain(e.x, e.y);
rub = new RubberLine(nil, nil, e.x, e.y, e.x, e.y);
m = new DragManip(
v, rub, rel, tool, DragConstraint(HorizOrVert | Gravity)
);
} else if (tool->IsA(MOVE_TOOL)) {
v->Constrain(e.x, e.y);
GetEndpoints(x0, y0, x1, y1);
rub = new SlidingLine(nil, nil, x0, y0, x1, y1, e.x, e.y);
m = new DragManip(
v, rub, rel, tool, DragConstraint(HorizOrVert | Gravity)
);
} else if (tool->IsA(SCALE_TOOL)) {
v->Constrain(e.x, e.y);
GetEndpoints(x0, y0, x1, y1);
rub = new ScalingLine(nil, nil, x0, y0, x1, y1, (x0+x1)/2, (y0+y1)/2);
m = new DragManip(v, rub, rel, tool, Gravity);
} else if (tool->IsA(ROTATE_TOOL)) {
v->Constrain(e.x, e.y);
GetEndpoints(x0, y0, x1, y1);
rub = new RotatingLine(
nil, nil, x0, y0, x1, y1, (x0+x1)/2, (y0+y1)/2, e.x, e.y
);
m = new DragManip(v, rub, rel, tool, Gravity);
} else if (tool->IsA(RESHAPE_TOOL)) {
v->Constrain(e.x, e.y);
GetEndpoints(x0, y0, x1, y1);
PointObj p1(x0, y0), p2(x1, y1), cp(e.x, e.y);
if (p1.Distance(cp) < p2.Distance(cp)) {
rub = new RubberLine(nil, nil, x1, y1, e.x, e.y);
} else {
rub = new RubberLine(nil, nil, x0, y0, e.x, e.y);
}
m = new DragManip(
v, rub, rel, tool, DragConstraint(HorizOrVert | Gravity)
);
} else {
m = GraphicView::CreateManipulator(v, e, rel, tool);
}
return m;
}
Manipulator* PadView::CreateGraphicCompManip (
Viewer* v, Event& e, Transformer* rel, Tool* tool
) {
v->Constrain(e.x, e.y);
Rubberband* rub = new RubberRect(nil, nil, e.x, e.y, e.x, e.y);
return new DragManip(v, rub, rel, tool, DragConstraint(XYEqual | Gravity));
}
Manipulator* MultiLineView::CreateManipulator (
Viewer* v, Event& e, Transformer* rel, Tool* tool
) {
Manipulator* m = nil;
if (tool->IsA(GRAPHIC_COMP_TOOL)) {
v->Constrain(e.x, e.y);
Coord x[1], y[1];
x[0] = e.x;
y[0] = e.y;
GrowingVertices* rub = new GrowingMultiLine(
nil, nil, x, y, 1, -1, HANDLE_SIZE
);
m = new VertexManip(
v, rub, rel, tool, DragConstraint(HorizOrVert | Gravity)
);
} else if (tool->IsA(RESHAPE_TOOL)) {
Coord* x, *y;
int n;
v->Constrain(e.x, e.y);
GetVertices(x, y, n);
GrowingMultiLine* rub = new GrowingMultiLine(
nil, nil, x, y, n, ClosestPoint(x, y, n, e.x, e.y), HANDLE_SIZE
);
delete x;
delete y;
m = new VertexManip(
v, rub, rel, tool, DragConstraint(HorizOrVert | Gravity)
);
} else {
m = VerticesView::CreateManipulator(v, e, rel, tool);
}
return m;
}
Manipulator* EllipseView::CreateManipulator (
Viewer* v, Event& e, Transformer* rel, Tool* tool
) {
Rubberband* rub = nil;
Manipulator* m = nil;
if (tool->IsA(GRAPHIC_COMP_TOOL)) {
v->Constrain(e.x, e.y);
rub = new RubberEllipse(nil, nil, e.x, e.y, e.x, e.y);
m = new DragManip(
v, rub, rel, tool, DragConstraint(XYEqual | Gravity)
);
} else {
m = GraphicView::CreateManipulator(v, e, rel, tool);
}
return m;
}
Manipulator* StrBrowserView::CreateManipulator (
Viewer* v, Event& e, Transformer* rel, Tool* tool
) {
Rubberband* rub = nil;
Manipulator* m = nil;
Coord l, b, r, t;
int ixcon, iycon;
l = 0, b = 0, r = 1, t = 1;
rel->TransformRect(l, b, r, t);
ixcon = r-l, iycon = t-b;
if (tool->IsA(IBGRAPHIC_COMP_TOOL)) {
m = InteractorView::CreateManipulator(v, e, rel, tool);
} else if (tool->IsA(GRAPHIC_COMP_TOOL)) {
rub = new ConstrainRect(
nil, nil, e.x, e.y, e.x, e.y, 0, 0, ixcon, iycon
);
m = new DragManip(v, rub, rel, tool, XYEqual);
} else if (tool->IsA(STRETCH_TOOL)) {
m = MessageView::CreateManipulator(v, e, rel, tool);
DragManip* dm = (DragManip*) m;
DragConstraint dc = dm->GetConstraint();
RubberRect* rr = (RubberRect*) dm->GetRubberband();
rr->GetOriginal(l, b, r, t);
delete dm;
rub = new ConstrainRect(
nil, nil, l, b, r, t, 0, 0, ixcon, iycon
);
m = new DragManip(
v, rub, rel, tool, DragConstraint(dc | Gravity), r, t
);
} else if (!tool->IsA(RESHAPE_TOOL)){
m = MessageView::CreateManipulator(v, e, rel, tool);
}
return m;
}
Manipulator* RectView::CreateManipulator (
Viewer* v, Event& e, Transformer* rel, Tool* tool
) {
Coord x[5], y[5];
Rubberband* rub = nil;
Manipulator* m = nil;
if (tool->IsA(GRAPHIC_COMP_TOOL)) {
v->Constrain(e.x, e.y);
rub = new RubberRect(nil, nil, e.x, e.y, e.x, e.y);
m = new DragManip(
v, rub, rel, tool, DragConstraint(XYEqual | Gravity)
);
} else if (tool->IsA(RESHAPE_TOOL)) {
RubberGroup* rub = new RubberGroup(nil, nil);
Coord x[4], y[4];
v->Constrain(e.x, e.y);
GetCorners(x, y);
_reshapeCorner = ClosestPoint(x, y, 4, e.x, e.y);
if (_reshapeCorner > 0) {
rub->Append(
new RubberLine(
nil, nil, x[_reshapeCorner-1], y[_reshapeCorner-1], e.x,e.y
)
);
} else {
rub->Append(new RubberLine(nil,nil,x[3],y[3],e.x,e.y));
}
if (_reshapeCorner < 3) {
rub->Append(
new RubberLine(
nil, nil, x[_reshapeCorner+1], y[_reshapeCorner+1], e.x,e.y
)
);
} else {
rub->Append(new RubberLine(nil, nil, x[0], y[0], e.x, e.y));
}
m = new DragManip(
v, rub, rel, tool, DragConstraint(HorizOrVert | Gravity)
);
} else if (tool->IsA(MOVE_TOOL)) {
v->Constrain(e.x, e.y);
GetCorners(x, y);
x[4] = x[0]; y[4] = y[0];
rub = new SlidingLineList(nil, nil, x, y, 5, e.x, e.y);
m = new DragManip(
v, rub, rel, tool, DragConstraint(HorizOrVert | Gravity)
);
} else if (tool->IsA(SCALE_TOOL)) {
v->Constrain(e.x, e.y);
GetCorners(x, y);
x[4] = x[0]; y[4] = y[0];
rub = new ScalingLineList(nil,nil,x,y,5, (x[0]+x[2])/2, (y[0]+y[2])/2);
m = new DragManip(v, rub, rel, tool, Gravity);
} else if (tool->IsA(ROTATE_TOOL)) {
v->Constrain(e.x, e.y);
GetCorners(x, y);
x[4] = x[0]; y[4] = y[0];
rub = new RotatingLineList(
nil, nil, x, y, 5, (x[0]+x[2])/2, (y[0]+y[2])/2, e.x, e.y
);
m = new DragManip(v, rub, rel, tool, Gravity);
} else {
m = GraphicView::CreateManipulator(v, e, rel, tool);
}
return m;
}
