win32gl/test/shader/ShaderFieldPrec.cpp

   1 #include <iostream>\r
   2 #include <psychlops.h>
   3 using namespace Psychlops;
   4
   5 void psychlops_main() {
   6         Canvas cnvs(1024,700,Canvas::window);
   7 //      cnvs.watchFPS();
   8 //      cnvs.showFPS();
   9         Mouse::show();
  10
  11
  12
  13         Color::setGammaValue(1.0,1.0,1.0);
  14
  15
  16         Image buf[10], reference[10], difference[10], difference2[10];
  17
  18         Figures::ShaderGrating grat;\r
  19         Figures::ShaderExponentialDot dot;\r
  20         Figures::ShaderGabor gabor;\r
  21         //std::ofstream f("shader_prec_test.txt");\r
  22
  23
  24         double c=1, w=48, o=-40, p=0;
  25         Widgets::Dial dial[4];
  26         dial[0].link(c, 2);
  27         dial[1].link(w, 36);
  28         dial[2].link(o, 360);
  29         dial[3].link(p, 960);
  30 \r
  31         //for(double o=0; o<PI; o+=PI/8) {\r
  32         //for(double w=4; w<128; w*=2) {\r
  33         //for(double c=0.25; c<=1.0; c+=0.25) {
  34         REDRAW:\r
  35
  36                 gabor.setSigma(30);
  37                 gabor.contrast = c;
  38                 gabor.wavelength = w;
  39                 gabor.phase = p/360.0*2*PI;
  40                 gabor.orientation = o/360.0*2*PI;
  41                 gabor.to(buf[0]);
  42
  43                 grat.set(240,240);
  44                 grat.contrast = c;
  45                 grat.wavelength = w;
  46                 grat.phase = p/360.0*2*PI;
  47                 grat.orientation = o/360.0*2*PI;
  48                 grat.to(buf[1]);
  49
  50                 dot.setSigma(30);
  51                 dot.factor = 1;
  52 //              dot.to(buf[2]);
  53
  54
  55                 Figures::drawGaborToImage(reference[0], 30, 1.0/w, c, o/360.0*2*PI, p/360.0*2*PI);
  56                 Figures::drawGratingToImage(reference[1], 240,240 , 1.0/w, c, o/360.0*2*PI, p/360.0*2*PI);
  57 //              Figures::drawExponentialToImage(reference[2], 30, 1);
  58
  59                 cnvs.clear(Color(0.25));
  60                 cnvs.msg(L"シェーダ　　　　　　　　　-　　　　　　　　　CPU　　　　　　　　　=　　　　　　　　　誤差（赤：誤差2以上）", 100, 40, Color::white);
  61                 for(int i=0; i<2; i++) {\r
  62                         //f << c << "\t" << w << "\t" << o/2.0/PI*360.0 << "\t";
  63                         //f <<
  64                                 Figures::substructImages(difference[i], buf[i], reference[i], 255.0)
  65                         //<< "\t"
  66                         ;
  67                         buf[i].centering(170,170+i*300).draw();
  68                         reference[i].centering(470,170+i*300).draw();
  69                         difference[i].centering(770,170+i*300).draw();
  70                 }\r
  71                 //f << std::endl;
  72 \r
  73         /*
  74                 const int DIFF = 2, SLINE = 120;
  75                 difference2[DIFF].set(480,512);
  76                 int y1, y2;
  77                 for(int y=0; y<240; y++) {
  78                         y1 = (int)(512-reference[DIFF].getPix(SLINE,y).getR()*512);
  79                         y2 = (int)(512-buf[DIFF].getPix(SLINE,y).getR()*512);
  80                         difference2[DIFF].rect(Psychlops::Rectangle(y*2, y1, y*2+1, 511), Color(0.4));
  81                         if(y1>y2) difference2[DIFF].rect(Psychlops::Rectangle(y*2, y2, y*2+1, y1), Color::green);
  82                         if(y1<y2) difference2[DIFF].rect(Psychlops::Rectangle(y*2, y1, y*2+1, y2), Color::red);
  83                 }
  84                 difference2[DIFF].centering().draw();
  85         */\r
  86
  87         //      cnvs.flip();
  88         //      if(Keyboard::esc.pushed()) { exit(0); }\r
  89         //}\r
  90         //}\r
  91         //}
  92 \r
  93 \r
  94         while(!Keyboard::esc.pushed()) {
  95                 cnvs.clear(Color(0.25));
  96                 cnvs.msg(L"シェーダ　　　　　　　　　-　　　　　　　　　CPU　　　　　　　　　=　　　　　　　　　誤差（赤：誤差2以上）", 200, 40, Color::white);
  97                 for(int i=0; i<2; i++) {
  98                         buf[i].centering(270,170+i*300).draw();
  99                         reference[i].centering(570,170+i*300).draw();
 100                         difference[i].centering(870,170+i*300).draw();
 101                 }
 102                 for(int i=0; i<4; i++) dial[i].set(50).centering(50,100+i*50).draw();
 103                 if(dial[0].changed() || dial[1].changed() || dial[2].changed() || dial[3].changed()) goto REDRAW;
 104                 cnvs.msg(L"ピクセルの位相に鋭敏　コントラストに不変　→　π（無理数）の有効桁数の問題", 200, 640, Color::white);
 105                 cnvs.msg(L"コントラストに鋭敏　→　8 bit変換時の丸めがISO丸めか四捨五入か", 200, 680, Color::white);
 106                 cnvs.flip();
 107         }
 108 }
 109