C++ Transformer::Invert方法代码示例

Command* PadView::InterpGraphicCompManip (Manipulator* m) {
    Command* cmd = nil;
    DragManip* dm = (DragManip*) m;
    SlidingRect* sr = (SlidingRect*) dm->GetRubberband();
    Coord l, b, r, t;
    sr->GetCurrent(l, b, r, t);

    if (l != r || b != t) {
        DragManip* dm = (DragManip*) m;
        Editor* ed = dm->GetViewer()->GetEditor();
        BrushVar* brVar = (BrushVar*) ed->GetState("Brush");
        Transformer* rel = dm->GetTransformer();

        if (rel != nil) {
            rel = new Transformer(rel);
            rel->Invert();
        }

        Graphic* pg = GetGraphicComp()->GetGraphic();
        PadGraphic* padGraphic = new PadGraphic(l, b, r, t, pg);

        if (brVar != nil) padGraphic->SetBrush(brVar->GetBrush());

        padGraphic->SetTransformer(rel);
        Unref(rel);
        cmd = new PasteCmd(ed, new Clipboard(NewSubject(padGraphic)));
    }
    return cmd;
}

void AlignToGridCmd::Align (GraphicView* gv, float refx, float refy) {
    MoveData* md = (MoveData*) Recall(gv->GetGraphicComp());

    if (md == nil) {
        Viewer* v = gv->GetViewer();
        Grid* grid = (v == nil) ? nil : v->GetGrid();

        if (grid == nil) {
            return;
        }

        Graphic* g = gv->GetGraphic();
        Transformer t;
        g->Parent()->TotalTransformation(t);
        t.Invert();

        Coord cx = iv26_round(refx);
        Coord cy = iv26_round(refy);

        grid->Constrain(cx, cy);

        float dx, dy, trefx, trefy;

        t.Transform(float(cx), float(cy), dx, dy);
        t.Transform(refx, refy, trefx, trefy);

        dx -= trefx;
        dy -= trefy;
        Store(gv->GetGraphicComp(), new MoveData(dx, dy));

    }
    Move(gv->GetGraphicComp());
}

Transformer* CreateGraphicFunc::get_transformer(AttributeList* al) {
  static int transform_symid = symbol_add("transform");

  AttributeValue* transformv = nil;
  Transformer* rel = nil;
  AttributeValueList* avl = nil;
  if (al && 
      (transformv=al->find(transform_symid)) && 
      transformv->is_array() && 
      (avl=transformv->array_val()) &&
      avl->Number()==6) {
    float a00, a01, a10, a11, a20, a21;
    Iterator it;
    avl->First(it); a00=avl->GetAttrVal(it)->float_val();
    avl->Next(it); a01=avl->GetAttrVal(it)->float_val();
    avl->Next(it); a10=avl->GetAttrVal(it)->float_val();
    avl->Next(it); a11=avl->GetAttrVal(it)->float_val();
    avl->Next(it); a20=avl->GetAttrVal(it)->float_val();
    avl->Next(it); a21=avl->GetAttrVal(it)->float_val();
    rel = new Transformer(a00, a01, a10, a11, a20, a21);
  } else {
    rel = ((OverlayViewer*)_ed->GetViewer())->GetRel();
    if (rel != nil) {
      rel = new Transformer(rel);
      rel->Invert();
    }
  }
  return rel;
  
}

Command* EllipseView::InterpretManipulator (Manipulator* m) {
    DragManip* dm = (DragManip*) m;
    Editor* ed = dm->GetViewer()->GetEditor();
    Tool* tool = dm->GetTool();
    Transformer* rel = dm->GetTransformer();
    Command* cmd = nil;

    if (tool->IsA(GRAPHIC_COMP_TOOL)) {
        RubberEllipse* re = (RubberEllipse*) dm->GetRubberband();
        Coord x, y, dummy1, dummy2;
        re->GetCurrent(x, y, dummy1, dummy2);

        if (dummy1 != x || dummy2 != y) {
            BrushVar* brVar = (BrushVar*) ed->GetState("BrushVar");
            PatternVar* patVar = (PatternVar*) ed->GetState("PatternVar");
            ColorVar* colVar = (ColorVar*) ed->GetState("ColorVar");
            Coord xr, yr;
            re->CurrentRadii(xr, yr);

            if (rel != nil) {
                rel = new Transformer(rel);
                rel->Invert();
            }

            Graphic* pg = GetGraphicComp()->GetGraphic();
            SF_Ellipse* ellipse = new SF_Ellipse(x, y, xr, yr, pg);

            if (brVar != nil) ellipse->SetBrush(brVar->GetBrush());
            if (patVar != nil) ellipse->SetPattern(patVar->GetPattern());

            if (colVar != nil) {
                ellipse->SetColors(colVar->GetFgColor(), colVar->GetBgColor());
            }
            ellipse->SetTransformer(rel);
            Unref(rel);
            cmd = new PasteCmd(ed, new Clipboard(new EllipseComp(ellipse)));
        }

    } else {
        cmd = GraphicView::InterpretManipulator(m);
    }
    return cmd;
}

Command* LinkView::InterpLinkCompManip (Manipulator* m) {
    Viewer* v = m->GetViewer();
    Editor* ed = v->GetEditor();
    GraphicView* views = v->GetGraphicView();
    BrushVar* brVar = (BrushVar*) ed->GetState("BrushVar");
    ConnectManip* cm = (ConnectManip*) m;
    Transformer* rel = cm->GetTransformer();
    RubberGroup* rg = (RubberGroup*) cm->GetRubberband();
    RubberLine* rl = (RubberLine*) rg->First();
    Coord x0, y0, x1, y1;
    Connector* c1, *c2;
    ConnectorView* target1, *target2;
    MacroCmd* macro = new MacroCmd(ed);
    
    rl->GetCurrent(x0, y0, x1, y1);
    if (rel != nil) {
        rel = new Transformer(rel);
        rel->Invert();
    }

    Graphic* pg = GetGraphicComp()->GetGraphic();
    Line* line = new Line(x0, y0, x1, y1, pg);

    if (brVar != nil) line->SetBrush(brVar->GetBrush());
    line->SetTransformer(rel);
    Unref(rel);
    LinkComp* linkComp = NewSubject(line);
    linkComp->GetConnectors(c1, c2);

    macro->Append(new PasteCmd(ed, new Clipboard(linkComp)));
    target1 = views->ConnectorIntersecting(x0-SLOP, y0-SLOP, x0+SLOP, y0+SLOP);
    target2 = views->ConnectorIntersecting(x1-SLOP, y1-SLOP, x1+SLOP, y1+SLOP);

    if (target1 != nil) {
        macro->Append(new ConnectCmd(ed, c1, target1->GetConnector()));
    }
    if (target2 != nil) {
        macro->Append(new ConnectCmd(ed, c2, target2->GetConnector()));
    }
    return macro;
}

void Graphic::Align (Alignment falign, Graphic* moved, Alignment malign) {
    float fx0, fy0, fx1, fy1, mx0, my0, mx1, my1, dx = 0, dy = 0;

    GetBounds(fx0, fy0, fx1, fy1);
    moved->GetBounds(mx0, my0, mx1, my1);

    switch (falign) {
    case BottomLeft:
    case CenterLeft:
    case TopLeft:
    case Left:
        dx = fx0;
        break;
    case BottomCenter:
    case Center:
    case TopCenter:
    case HorizCenter:
        dx = (fx0 + fx1 + 1)/2;
        break;
    case BottomRight:
    case CenterRight:
    case TopRight:
    case Right:
        dx = fx1 + 1;
        break;
    }
    switch (falign) {
    case BottomLeft:
    case BottomCenter:
    case BottomRight:
    case Bottom:
        dy = fy0;
        break;
    case CenterLeft:
    case Center:
    case CenterRight:
    case VertCenter:
        dy = (fy0 + fy1 + 1)/2;
        break;
    case TopLeft:
    case TopCenter:
    case TopRight:
    case Top:
        dy = fy1 + 1;
        break;
    }

    switch (malign) {
    case BottomLeft:
    case CenterLeft:
    case TopLeft:
    case Left:
        dx -= mx0;
        break;
    case BottomCenter:
    case Center:
    case TopCenter:
    case HorizCenter:
        dx -= (mx0 + mx1 + 1)/2;
        break;
    case BottomRight:
    case CenterRight:
    case TopRight:
    case Right:
        dx -= (mx1 + 1);
        break;
    }
    switch (malign) {
    case BottomLeft:
    case BottomCenter:
    case BottomRight:
    case Bottom:
        dy -= my0;
        break;
    case CenterLeft:
    case Center:
    case CenterRight:
    case VertCenter:
        dy -= (my0 + my1 + 1)/2;
        break;
    case TopLeft:
    case TopCenter:
    case TopRight:
    case Top:
        dy -= (my1 + 1);
        break;
    }
    if (dx != 0 || dy != 0) {
        Transformer parents;
        moved->parentXform(parents);

        parents.Invert();
        parents.Transform(0.0, 0.0, fx0, fy0);
        parents.Transform(dx, dy, mx0, my0);

        moved->Translate(mx0-fx0, my0-fy0);
    }
}

Command* MultiLineView::InterpretManipulator (Manipulator* m) {
    DragManip* dm = (DragManip*) m;
    Editor* ed = dm->GetViewer()->GetEditor();
    Tool* tool = dm->GetTool();
    Transformer* rel = dm->GetTransformer();
    Command* cmd = nil;

    if (tool->IsA(GRAPHIC_COMP_TOOL)) {
        GrowingVertices* gv = (GrowingVertices*) dm->GetRubberband();
        Coord* x, *y;
        int n, pt;
        gv->GetCurrent(x, y, n, pt);

        if (n > 2 || x[0] != x[1] || y[0] != y[1]) {
            BrushVar* brVar = (BrushVar*) ed->GetState("BrushVar");
            PatternVar* patVar = (PatternVar*) ed->GetState("PatternVar");
            ColorVar* colVar = (ColorVar*) ed->GetState("ColorVar");

            if (rel != nil) {
                rel = new Transformer(rel);
                rel->Invert();
            }

            Graphic* pg = GetGraphicComp()->GetGraphic();
            SF_MultiLine* polygon = new SF_MultiLine(x, y, n, pg);

            if (brVar != nil) polygon->SetBrush(brVar->GetBrush());
            if (patVar != nil) polygon->SetPattern(patVar->GetPattern());

            if (colVar != nil) {
                polygon->SetColors(colVar->GetFgColor(), colVar->GetBgColor());
            }
            polygon->SetTransformer(rel);
            Unref(rel);
            cmd = new PasteCmd(ed, new Clipboard(new MultiLineComp(polygon)));
        }
        delete x;
        delete y;

    } else if (tool->IsA(RESHAPE_TOOL)) {
        GrowingVertices* gv = (GrowingVertices*) dm->GetRubberband();
        Coord* x, *y;
        int n, pt;
        gv->RemoveVertex();
        gv->GetCurrent(x, y, n, pt);

	if (rel != nil) {
            rel = new Transformer(rel);
            rel->Invert();
        }

        SF_MultiLine* polygon = new SF_MultiLine(x, y, n, GetGraphic());
	delete x;
	delete y;
        polygon->SetTransformer(rel);
        Unref(rel);
	cmd = new ReplaceCmd(ed, new MultiLineComp(polygon));

    } else {
        cmd = VerticesView::InterpretManipulator(m);
    }
    return cmd;
}

Command* RectView::InterpretManipulator (Manipulator* m) {
    DragManip* dm = (DragManip*) m;
    Editor* ed = dm->GetViewer()->GetEditor();
    Tool* tool = dm->GetTool();
    Transformer* rel = dm->GetTransformer();
    Command* cmd = nil;

    if (tool->IsA(GRAPHIC_COMP_TOOL)) {
        RubberRect* rr = (RubberRect*) dm->GetRubberband();
        Coord x0, y0, x1, y1;
        rr->GetCurrent(x0, y0, x1, y1);

        if (x0 != x1 || y0 != y1) {
            BrushVar* brVar = (BrushVar*) ed->GetState("BrushVar");
            PatternVar* patVar = (PatternVar*) ed->GetState("PatternVar");
            ColorVar* colVar = (ColorVar*) ed->GetState("ColorVar");

            if (rel != nil) {
                rel = new Transformer(rel);
                rel->Invert();
            }

            Graphic* pg = GetGraphicComp()->GetGraphic();
            SF_Rect* rect = new SF_Rect(x0, y0, x1, y1, pg);

            if (brVar != nil) rect->SetBrush(brVar->GetBrush());
            if (patVar != nil) rect->SetPattern(patVar->GetPattern());

            if (colVar != nil) {
                rect->SetColors(colVar->GetFgColor(), colVar->GetBgColor());
            }
            rect->SetTransformer(rel);
            Unref(rel);
            cmd = new PasteCmd(ed, new Clipboard(new RectComp(rect)));
        }

    } else if (tool->IsA(RESHAPE_TOOL)) {
        RubberGroup* rubberGroup = (RubberGroup*) dm->GetRubberband();
	RubberLine* rubberLine = (RubberLine*) rubberGroup->First();
        SF_Polygon* polygon;
        Coord x[4], y[4];
	Coord x0, y0;
        
	GetCorners(x, y);
	rubberLine->GetCurrent(x0, y0, x[_reshapeCorner], y[_reshapeCorner]);

        if (rel != nil) {
            rel = new Transformer(rel);
            rel->Invert();
        }
        polygon = new SF_Polygon(x, y, 4, GetGraphic());
        polygon->SetTransformer(rel);
        Unref(rel);
        cmd = new ReplaceCmd(ed, new PolygonComp(polygon));

    } else if (tool->IsA(MOVE_TOOL)) {
        SlidingLineList* sll;
        Transformer* rel = dm->GetTransformer();
        Coord* ox, *oy, *cx, *cy;
        float fx0, fy0, fx1, fy1;
        int n;

        sll = (SlidingLineList*) dm->GetRubberband();
        sll->GetOriginal(ox, oy, n);
        sll->GetCurrent(cx, cy, n);
        if (rel != nil) {
            rel->InvTransform(float(ox[0]), float(oy[0]), fx0, fy0);
            rel->InvTransform(float(cx[0]), float(cy[0]), fx1, fy1);
        }
        delete ox; delete oy; delete cx; delete cy;
        cmd = new MoveCmd(ed, fx1 - fx0, fy1 - fy0);

    } else if (tool->IsA(SCALE_TOOL)) {
        ScalingLineList* sll = (ScalingLineList*) dm->GetRubberband();
        float sxy = sll->CurrentScaling();

        cmd = new ScaleCmd(ed, sxy, sxy);

    } else if (tool->IsA(ROTATE_TOOL)) {
        RotatingLineList* rll = (RotatingLineList*) dm->GetRubberband();
        float angle = rll->CurrentAngle() - rll->OriginalAngle();

        cmd = new RotateCmd(ed, angle);

    } else {
        cmd = GraphicView::InterpretManipulator(m);
    }
    return cmd;
}

Command* ArrowSplineView::InterpretManipulator (Manipulator* m) {
    DragManip* dm = (DragManip*) m;
    Editor* ed = dm->GetViewer()->GetEditor();
    Tool* tool = dm->GetTool();
    Transformer* rel = dm->GetTransformer();
    Command* cmd = nil;
    ArrowVar* aVar = (ArrowVar*) ed->GetState("ArrowVar");

    if (tool->IsA(GRAPHIC_COMP_TOOL)) {
        GrowingVertices* gv = (GrowingVertices*) dm->GetRubberband();
        Coord* x, *y;
        int n;
        gv->GetCurrent(x, y, n);

        if (n > 2 || x[0] != x[1] || y[0] != y[1]) {
            BrushVar* brVar = (BrushVar*) ed->GetState("BrushVar");
            PatternVar* patVar = (PatternVar*) ed->GetState("PatternVar");
            ColorVar* colVar = (ColorVar*) ed->GetState("ColorVar");

            if (rel != nil) {
                rel = new Transformer(rel);
                rel->Invert();
            }
            ArrowOpenBSpline* aml = new ArrowOpenBSpline(
                x, y, n, aVar->Head(), aVar->Tail(), 
                dm->GetViewer()->GetMagnification(), stdgraphic
            );

            if (brVar != nil) aml->SetBrush(brVar->GetBrush());
            if (patVar != nil) aml->SetPattern(patVar->GetPattern());

            if (colVar != nil) {
                aml->SetColors(colVar->GetFgColor(), colVar->GetBgColor());
            }
            aml->SetTransformer(rel);
            Unref(rel);
            cmd = new PasteCmd(ed, new Clipboard(new ArrowSplineComp(aml)));
        }
        delete x;
        delete y;

    } else if (tool->IsA(RESHAPE_TOOL)) {
        GrowingVertices* gv = (GrowingVertices*) dm->GetRubberband();
        Coord* x, *y;
        int n, pt;
        gv->RemoveVertex();
        gv->GetCurrent(x, y, n, pt);

        if (rel != nil) {
            rel = new Transformer(rel);
            rel->Invert();
        }

        ArrowOpenBSpline* orig = GetArrowSplineComp()->GetArrowOpenBSpline();
        ArrowOpenBSpline* aml = new ArrowOpenBSpline(
            x, y, n, orig->Head(), orig->Tail(), 
            dm->GetViewer()->GetMagnification(), GetGraphic()
        );
        delete x;
        delete y;
        aml->SetTransformer(rel);
        Unref(rel);
        cmd = new ReplaceCmd(ed, new ArrowSplineComp(aml));

    } else {
        cmd = SplineView::InterpretManipulator(m);
    }
    return cmd;
}