// This macro draws all the high definition palettes available in ROOT.
// It generates a png file for each palette and one pdf file, with a table of
// content, containing all the palettes
//Author: Olivier Couet

TCanvas *c;

void draw_palette(int p, TString n){
   delete c;
   c  = new TCanvas("c","Contours",0,0,800,600);
   //TF2 *f2 = new TF2("f2","0.1+(1-(x-2)*(x-2))*(1-(y-2)*(y-2))",0.999,3.002,0.999,3.002);
   TF2 *f2 = new TF2("f2","TMath::Exp(-x*x/(2.0*(1)*(1)))*TMath::Exp(-y*y/(2.0*(1)*(1)))",-3,3,-3,3);
   gStyle->SetPalette(p);
   //f2->SetContour(255);
   f2->SetContour(99);
   f2->SetNpx(200);
   f2->SetNpy(200);
   f2->SetLineWidth(1);
   f2->SetLineColor(kBlack);
   f2->Draw("colz");
   //f2->Draw("surf1z");

   // Title
   TPaveText *pt = new TPaveText(10,11,10,11,"blNDC");
   pt->SetName("title");
   pt->Draw();

   c->Update();

   TString num = n;
   num.ReplaceAll(" ","");
   TLatex l;
   l.SetTextFont(43);
   l.SetTextSize(18);
   l.DrawLatexNDC(0.12,0.92,Form("Palette #%d: %s #scale[0.7]{(#font[82]{k%s})}",p,n.Data(),num.Data()));
   c->Print(Form("palettes/palette_%d.png",p));
   
   if (p==51) {
     c->Print("palettes.pdf(", Form("Title:%s",n.Data()));
     return;
   } else if (p==112) {
     c->Print("palettes.pdf)", Form("Title:%s",n.Data()));
     return;
   } else 
     c->Print("palettes.pdf", Form("Title:%s",n.Data()));
}

void palettes() {
   gROOT->SetBatch(1);
   c  = new TCanvas("c","Contours",0,0,500,500);
   draw_palette(kDeepSea, "Deap Sea");
   // draw_palette(kGreyScale, "Grey Scale");
   // draw_palette(kDarkBodyRadiator, "Dark Body Radiator");
   // draw_palette(kBlueYellow, "Blue Yellow");
   // draw_palette(kRainBow, "Rain Bow");
   // draw_palette(kInvertedDarkBodyRadiator, "Inverted Dark Body Radiator");
   // draw_palette(kBird, "Bird");
   // draw_palette(kCubehelix, "Cube helix");
   // draw_palette(kGreenRedViolet, "Green Red Violet");
   // draw_palette(kBlueRedYellow, "Blue Red Yellow");
   // draw_palette(kOcean, "Ocean");
   // draw_palette(kColorPrintableOnGrey, "Color Printable On Grey");
   // draw_palette(kAlpine, "Alpine");
   // draw_palette(kAquamarine, "Aquamarine");
   // draw_palette(kArmy, "Army");
   // draw_palette(kAtlantic, "Atlantic");
   // draw_palette(kAurora, "Aurora");
   // draw_palette(kAvocado, "Avocado");
   // draw_palette(kBeach, "Beach");
   // draw_palette(kBlackBody, "Black Body");
   // draw_palette(kBlueGreenYellow, "Blue Green Yellow");
   // draw_palette(kBrownCyan, "Brown Cyan");
   draw_palette(kCMYK, "CMYK");
   // draw_palette(kCandy, "Candy");
   // draw_palette(kCherry, "Cherry");
   // draw_palette(kCoffee, "Coffee");
   // draw_palette(kDarkRainBow, "Dark Rain Bow");
   // draw_palette(kDarkTerrain, "Dark Terrain");
   // draw_palette(kFall, "Fall");
   // draw_palette(kFruitPunch, "Fruit Punch");
   // draw_palette(kFuchsia, "Fuchsia");
   // draw_palette(kGreyYellow, "Grey Yellow");
   // draw_palette(kGreenBrownTerrain, "Green Brown Terrain");
   // draw_palette(kGreenPink, "Green Pink");
   // draw_palette(kIsland, "Island");
   // draw_palette(kLake, "Lake");
   // draw_palette(kLightTemperature, "Light Temperature");
   // draw_palette(kLightTerrain, "Light Terrain");
   // draw_palette(kMint, "Mint");
   // draw_palette(kNeon, "Neon");
   // draw_palette(kPastel, "Pastel");
   // draw_palette(kPearl, "Pearl");
   // draw_palette(kPigeon, "Pigeon");
   // draw_palette(kPlum, "Plum");
   // draw_palette(kRedBlue, "Red Blue");
   // draw_palette(kRose, "Rose");
   // draw_palette(kRust, "Rust");
   // draw_palette(kSandyTerrain, "Sandy Terrain");
   // draw_palette(kSienna, "Sienna");
   // draw_palette(kSolar, "Solar");
   // draw_palette(kSouthWest, "South West");
   // draw_palette(kStarryNight, "Starry Night");
   // draw_palette(kSunset, "Sunset");
   // draw_palette(kTemperatureMap, "Temperature Map");
   // draw_palette(kThermometer, "Thermometer");
   // draw_palette(kValentine, "Valentine");
   // draw_palette(kVisibleSpectrum, "Visible Spectrum");
   // draw_palette(kWaterMelon, "Water Melon");
   // draw_palette(kCool, "Cool");
   // draw_palette(kCopper, "Copper");
   // draw_palette(kGistEarth, "Gist Earth");
   draw_palette(kViridis, "Viridis");

}