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1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
3 | * * |
4 | * Author: The ALICE Off-line Project. * |
5 | * Contributors are mentioned in the code where appropriate. * |
6 | * * |
7 | * Permission to use, copy, modify and distribute this software and its * |
8 | * documentation strictly for non-commercial purposes is hereby granted * |
9 | * without fee, provided that the above copyright notice appears in all * |
10 | * copies and that both the copyright notice and this permission notice * |
11 | * appear in the supporting documentation. The authors make no claims * |
12 | * about the suitability of this software for any purpose. It is * |
13 | * provided "as is" without express or implied warranty. * |
14 | **************************************************************************/ |
15 | |
16 | // $Id$ |
17 | |
18 | /// \class AliMUONContourPainter |
19 | /// |
20 | /// Class to draw AliMUONContour objects (2D) |
21 | /// |
22 | /// \author Laurent Aphecetche, Subatech |
23 | |
24 | #include "AliMUONContourPainter.h" |
25 | |
26 | #include "TVirtualX.h" |
27 | #include "AliMUONPolygon.h" |
28 | #include "AliMUONContour.h" |
29 | #include "TObjArray.h" |
30 | #include "TVirtualPad.h" |
31 | |
32 | ///\cond CLASSIMP |
33 | ClassImp(AliMUONContourPainter) |
34 | ///\endcond |
35 | |
36 | //_____________________________________________________________________________ |
37 | AliMUONContourPainter::AliMUONContourPainter() |
38 | { |
39 | /// Ctor |
40 | } |
41 | |
42 | //_____________________________________________________________________________ |
43 | AliMUONContourPainter::~AliMUONContourPainter() |
44 | { |
45 | /// dtor |
46 | } |
47 | |
48 | //_____________________________________________________________________________ |
49 | void |
50 | AliMUONContourPainter::Paint(const AliMUONContour& contour, |
51 | Int_t lineColor, Int_t lineWidth, |
52 | Int_t fillColor, Int_t fillStyle) |
53 | { |
54 | /// Paint the given contour. |
55 | /// If lineColor > 0 the outline is drawn |
56 | /// If fillColor > 0 the contour is filled. |
57 | |
58 | Bool_t outline(lineColor>0); |
59 | Bool_t fill(fillColor>0); |
60 | |
61 | Int_t fc = gVirtualX->GetFillColor(); |
62 | Int_t fs = gVirtualX->GetFillStyle(); |
63 | Int_t lc = gVirtualX->GetLineColor(); |
64 | Int_t lw = gVirtualX->GetLineWidth(); |
65 | |
66 | if ( lineColor > 0 ) gVirtualX->SetLineColor(lineColor); |
67 | if ( lineWidth > 0 ) gVirtualX->SetLineWidth(lineWidth); |
68 | if ( fillColor > 0 ) gVirtualX->SetFillColor(fillColor); |
69 | if ( fillStyle > 0 ) gVirtualX->SetFillStyle(fillStyle); |
70 | |
71 | TIter next(contour.Polygons()); |
72 | AliMUONPolygon* pol; |
73 | while ( ( pol = static_cast<AliMUONPolygon*>(next()) ) ) |
74 | { |
75 | Int_t n = pol->NumberOfVertices(); |
76 | Double_t* x = new Double_t[n]; |
77 | Double_t* y = new Double_t[n]; |
78 | for ( Int_t i = 0; i < n; ++i ) |
79 | { |
80 | x[i] = gPad->GetLogx() ? gPad->XtoPad(pol->X(i)) : pol->X(i); |
81 | y[i] = gPad->GetLogy() ? gPad->YtoPad(pol->Y(i)) : pol->Y(i); |
82 | } |
83 | if ( fill ) |
84 | { |
85 | gPad->PaintFillArea(n,x,y); |
86 | } |
87 | if (outline) |
88 | { |
89 | gPad->PaintPolyLine(n,x,y); |
90 | } |
91 | |
92 | delete[] x; |
93 | delete[] y; |
94 | } |
95 | |
96 | gVirtualX->SetFillColor(fc); |
97 | gVirtualX->SetFillStyle(fs); |
98 | gVirtualX->SetLineColor(lc); |
99 | gVirtualX->SetLineWidth(lw); |
100 | |
101 | } |