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0b936dc0 | 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 | } |