qt4/Go4GUI/TGo4ASImage.cpp
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00001 // $Id: TGo4ASImage.cpp 579 2010-02-17 09:57:34Z linev $ 00002 //----------------------------------------------------------------------- 00003 // The GSI Online Offline Object Oriented (Go4) Project 00004 // Experiment Data Processing at EE department, GSI 00005 //----------------------------------------------------------------------- 00006 // Copyright (C) 2000- GSI Helmholtzzentrum für Schwerionenforschung GmbH 00007 // Planckstr. 1, 64291 Darmstadt, Germany 00008 // Contact: http://go4.gsi.de 00009 //----------------------------------------------------------------------- 00010 // This software can be used under the license agreements as stated 00011 // in Go4License.txt file which is part of the distribution. 00012 //----------------------------------------------------------------------- 00013 00014 #include "TGo4ASImage.h" 00015 00016 #ifndef __NOGO4ASI__ 00017 00018 #include "TH2.h" 00019 #include "TGo4Log.h" 00020 #include "TGo4ViewPanel.h" 00021 00022 TGo4ASImage::TGo4ASImage() : 00023 TASImage(), 00024 fxPanel(0), 00025 fxPad(0), 00026 fxMinX(0), 00027 fxMaxX(1), 00028 fxMinY(0), 00029 fxMaxY(1), 00030 fdWidth(0), 00031 fdHeight(0) 00032 { 00033 SetConstRatio(kFALSE); 00034 } 00035 00036 TGo4ASImage::~TGo4ASImage() 00037 { 00038 ClosePaletteEditor(); 00039 } 00040 00041 void TGo4ASImage::SetHistogramContent(TH2* histo) 00042 { 00043 if (histo==0) return; 00044 00045 Int_t numx = histo->GetNbinsX(); 00046 Int_t numy = histo->GetNbinsY(); 00047 00048 TArrayD arr(numx*numy); 00049 for (int x=1; x<=numx; x++) 00050 for (int y=1; y<=numy; y++) 00051 arr[(y-1)*numx + (x-1)] = histo->GetBinContent(x, y); 00052 00053 SetImage(arr, numx); 00054 SetName(histo->GetName()); 00055 00056 fdWidth = numx; 00057 fdHeight = numy; 00058 } 00059 00060 void TGo4ASImage::SetDrawData(TH2* histo, TGo4ViewPanel* panel, TPad* pad) 00061 { 00062 fxPanel = panel; 00063 fxPad = pad; 00064 00065 if (histo==0) return; 00066 00067 fxMinX = histo->GetXaxis()->GetXmin(); 00068 fxMaxX = histo->GetXaxis()->GetXmax(); 00069 fxMinY = histo->GetYaxis()->GetXmin(); 00070 fxMaxY = histo->GetYaxis()->GetXmax(); 00071 } 00072 00073 void TGo4ASImage::SetSelectedRange(double rxmin, double rxmax, double rymin, double rymax) 00074 { 00075 if ((rxmin>=rxmax) && (rymin>=rymax)) { 00076 TASImage::UnZoom(); 00077 return; 00078 } 00079 00080 UInt_t offX = 0; 00081 UInt_t offY = 0; 00082 UInt_t width = UInt_t(fdWidth); 00083 UInt_t height = UInt_t(fdHeight); 00084 00085 if ((rxmin<rxmax) && (fxMinX<fxMaxX)) { 00086 if (rxmin>=fxMinX) 00087 offX = UInt_t((rxmin-fxMinX)/(fxMaxX-fxMinX)*fdWidth); 00088 if (rxmax<=fxMaxX) 00089 width = UInt_t((rxmax-fxMinX)/(fxMaxX-fxMinX)*fdWidth) - offX; 00090 } 00091 00092 if ((rymin<rymax) && (fxMinY<fxMaxY)) { 00093 if (rymin>=fxMinY) 00094 offY = UInt_t((rymin-fxMinY)/(fxMaxY-fxMinY)*fdHeight); 00095 if (rymax<=fxMaxY) 00096 height = UInt_t((rymax-fxMinY)/(fxMaxY-fxMinY)*fdHeight) - offY; 00097 } 00098 00099 TASImage::Zoom(offX, offY, width, height); 00100 } 00101 00102 void TGo4ASImage::Zoom(UInt_t offX, UInt_t offY, UInt_t width, UInt_t height) 00103 { 00104 TASImage::Zoom(offX, offY, width, height); 00105 00106 double rxmin = fZoomOffX/fdWidth*(fxMaxX-fxMinX)+fxMinX; 00107 double rxmax = (fZoomOffX+fZoomWidth)/fdWidth*(fxMaxX-fxMinX)+fxMinX; 00108 double rymin = fZoomOffY/fdHeight*(fxMaxY-fxMinY)+fxMinY; 00109 double rymax = (fZoomOffY+fZoomHeight)/fdHeight*(fxMaxY-fxMinY)+fxMinY; 00110 00111 if (fxPanel!=0) 00112 fxPanel->PadRangeAxisChanged(fxPad, rxmin, rxmax, rymin, rymax); 00113 } 00114 00115 void TGo4ASImage::UnZoom() 00116 { 00117 TASImage::UnZoom(); 00118 if (fxPanel!=0) 00119 fxPanel->PadRangeAxisChanged(fxPad,0.,0.,0.,0.); 00120 } 00121 00122 void TGo4ASImage::ClosePaletteEditor() 00123 { 00124 if(fPaletteEditor!=0) { 00125 fPaletteEditor->CloseWindow(); 00126 fPaletteEditor=0; 00127 } 00128 } 00129 00130 #endif // asimage disable switch
