1 #ifndef __JROOT__JLEGEND__
2 #define __JROOT__JLEGEND__
16 namespace JPP {
using namespace JROOT; }
31 const std::string option,
32 const Double_t factor = 1.0)
38 const Double_t X1 = 0.0 + gPad->GetLeftMargin();
39 const Double_t X2 = 1.0 - gPad->GetRightMargin();
40 const Double_t Y1 = 0.0 + gPad->GetBottomMargin();
41 const Double_t Y2 = 1.0 - gPad->GetTopMargin();
42 const Double_t
w = gPad->XtoPixel(gPad->GetX2()) * (X2 - X1) / 1.0;
43 const Double_t h = gPad->YtoPixel(gPad->GetY1()) * (Y2 - Y1) / 1.0;
44 const Double_t ch = gStyle->GetStatFontSize() * (
w < h ?
w : h);
46 const Double_t fx = 1.00 * factor * ch/
w;
47 const Double_t fy = 1.00 * factor * ch/h;
48 const Double_t eps = 0.005;
57 Double_t W = (wd) * fx;
58 Double_t
H = (height) * fy;
62 if (fc * W > X2 - X1 - 2*eps) {
63 fc *= (X2 - X1 - 2*eps) / W;
66 if (fc *
H > Y2 - Y1 - 2*eps) {
67 fc *= (Y2 - Y1 - 2*eps) /
H;
75 Double_t x1 = X2 - W - eps;
76 Double_t y1 = Y2 -
H - eps;
77 Double_t x2 = X2 - eps;
78 Double_t y2 = Y2 - eps;
83 if (option.find(
'T') != string::npos && option.find(
'B') == string::npos) {
91 if (option.find(
'B') != string::npos && option.find(
'T') == string::npos) {
99 if (option.find(
'R') != string::npos && option.find(
'L') == string::npos) {
107 if (option.find(
'L') != string::npos && option.find(
'R') == string::npos) {
115 TLegend* lg =
new TLegend(x1, y1, x2, y2);
118 lg->SetFillColor(kWhite);
119 lg->SetBorderSize(0);
120 lg->SetTextAlign(halign*10 + valign);
121 lg->SetTextFont(gStyle->GetStatFont());
122 lg->SetTextSize(gStyle->GetStatFontSize() * factor);
123 lg->SetMargin((Double_t) nc / (Double_t) (wd + nc));
static const double H
Planck constant [eV s].
TLegend * getLegend(const Int_t width, const Int_t height, const std::string option, const Double_t factor=1.0)
Get legend.