567 lines
16 KiB
C++
567 lines
16 KiB
C++
#include "global.h"
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//To compile : g++ AD.cxx -o {Input Executable Name} -lX11
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// VERSION : 1.0
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// Created with thanks to Daniel Folds Holt - University of Cambridge Cavendish Lab
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using namespace std;
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class HistoGUI{
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public:
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HistoGUI(){}
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Display * disp;
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Window wind;
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XEvent evt;
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int screen;
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XColor xcolour;
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XColor xcolour_red;
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XColor xcolour_veryred;
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Colormap cmap;
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std::vector<double> x;
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std::vector<double> y;
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std::vector<double> y_errors;
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double max_x;
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double min_x;
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double max_y;
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double min_y;
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double pos_x;
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double pos_y;
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double new_pos_x;
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double new_pos_y;
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unsigned int width;
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unsigned int height;
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double window_width;
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double window_height;
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double width_scale;
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double x_offset;
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double height_scale;
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double y_offset;
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double A0;
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double A2E;
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double A4E;
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int SetFit(double a, double b, double c){
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A0 = a;
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A2E = b;
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A4E = c;
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fit_exists = true;
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return 1;
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}
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double old_xl, old_xh, old_yl, old_yh;
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double old_mouse_x, old_mouse_y;
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int Init();
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int SetData(std::vector<double> a, std::vector<double>b);
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int SetErrors(std::vector<double> a);
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int Loop();
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void Close(){ printf("Closing now!\n"); XCloseDisplay(disp); }
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int DrawData(double x_low_win, double y_low_win, double x_hi_win, double y_hi_win);
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int Draw_Fit(double x_low_win, double y_low_win, double x_hi_win, double y_hi_win);
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int DrawCrosshairs(int mouse_x, int mouse_y);
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int Zoom(int mouse_x, int mouse_y);
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double legval(double theta);
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bool fit_exists = false;
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// int Legendre_fit(std::vector<double> d1, std::vector<double> d2, double
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};
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int HistoGUI::SetData(std::vector<double> a, std::vector<double>b){
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for(int i=0; i < a.size(); i++){
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x.push_back(a[i]);
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y.push_back(b[i]);
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}
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return a.size();
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}
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int HistoGUI::SetErrors(std::vector<double> a){
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for(int i=0; i < a.size(); i++){
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y_errors.push_back(a[i]);
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}
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return a.size();
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}
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int HistoGUI::Init(){
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disp = XOpenDisplay(NULL);
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if (disp == NULL) {
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fprintf(stderr, "Cannot open display\n");
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exit(1);
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}
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//fit_exists = false;
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screen = DefaultScreen(disp);
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wind = XCreateSimpleWindow(disp, RootWindow(disp, screen), 10, 10, 600, 400, 1,
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BlackPixel(disp, screen), WhitePixel(disp, screen));
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XGrabPointer(disp, wind, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask, GrabModeAsync,
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GrabModeAsync, None, None, CurrentTime);
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XSelectInput(disp, wind, ExposureMask | KeyPressMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask);
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XMapWindow(disp, wind);
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// colours
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cmap = DefaultColormap(disp, screen);
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xcolour.red = 32000;
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xcolour.green = 32000;
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xcolour.blue = 42000;
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xcolour.flags = DoRed | DoGreen | DoBlue;
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XAllocColor(disp, cmap, &xcolour);
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xcolour_red.red = 42000;
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xcolour_red.green = 32000;
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xcolour_red.blue = 32000;
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xcolour_red.flags = DoRed | DoGreen | DoBlue;
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XAllocColor(disp, cmap, &xcolour_red);
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xcolour_veryred.red = 65000;
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xcolour_veryred.green = 32000;
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xcolour_veryred.blue = 32000;
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xcolour_veryred.flags = DoRed | DoGreen | DoBlue;
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XAllocColor(disp, cmap, &xcolour_veryred);
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return 1;
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}
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int HistoGUI::DrawCrosshairs(int mouse_x, int mouse_y){
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int j1, j2;
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unsigned int j3, j4;
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Window root_return;
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XGetGeometry(disp, wind, &root_return, &j1, &j2, &width, &height, &j3, &j4);
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XSetForeground(disp, DefaultGC(disp, screen), xcolour_red.pixel);
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XDrawLine(disp, wind, DefaultGC(disp, screen), mouse_x, 0.0, mouse_x, height);
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XDrawLine(disp, wind, DefaultGC(disp, screen), 0.0, mouse_y, width, mouse_y);
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pos_y = mouse_y * height_scale - y_offset;
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pos_x = mouse_x * width_scale - x_offset;
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char coord[32];
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sprintf(coord, "(%.2f, %.2f)", pos_x, pos_y);
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XDrawString(disp, wind, DefaultGC(disp, screen), mouse_x + 5, mouse_y + 12, coord, strlen(coord));
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return 1;
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}
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int HistoGUI::Zoom(int mouse_x, int mouse_y){
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new_pos_x = mouse_x * width_scale - x_offset;
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new_pos_y = mouse_y * height_scale - y_offset;
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pos_x = old_mouse_x * width_scale - x_offset;
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pos_y = old_mouse_y * height_scale - y_offset;
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if(std::abs(mouse_x - old_mouse_x) < 20 or std::abs(mouse_y - old_mouse_y) < 20) return 1;
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//printf("Zooming: %f - %f, %f - %f\n", mouse_x, old_mouse_x,mouse_y,old_mouse_y);
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double x_low_win, y_low_win, x_hi_win, y_hi_win;
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if(new_pos_x < pos_x){
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x_low_win = new_pos_x;
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x_hi_win = pos_x;
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//printf("new low; [%f, %f]\n",x_low_win, x_hi_win);
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} else {
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x_low_win = pos_x;
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x_hi_win = new_pos_x;
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//printf("new high; [%f, %f]\n",x_low_win, x_hi_win);
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}
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if(new_pos_y > pos_y){
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y_low_win = new_pos_y;
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y_hi_win = pos_y;
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} else {
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y_low_win = pos_y;
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y_hi_win = new_pos_y;
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}
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//printf("[(%f,%f) (%f,%f)]\n",x_low_win, y_low_win, x_hi_win, y_hi_win);
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XClearWindow(disp, wind);
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DrawData(x_low_win, y_low_win, x_hi_win, y_hi_win);
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//double x_low_win, double y_low_win, double x_hi_win, double y_hi_win
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return 1;
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}
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double HistoGUI::legval(double theta){
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double lg;
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double aaa = A0;
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double aab = A2E*(1.5 * pow(theta,2) - .5);
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double aac = A4E*(35./8. * pow(theta,4) - 30./8. * pow(theta,2) + 3./8. );
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lg = aaa + aab + aac;
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return lg;
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}
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int HistoGUI::Draw_Fit(double x_low_win, double y_low_win, double x_hi_win, double y_hi_win){
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int j1, j2;
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unsigned int j3, j4;
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Window root_return;
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XGetGeometry(disp, wind, &root_return, &j1, &j2, &width, &height, &j3, &j4);
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//printf("Width = %u, Height = %u, x = %i, y = %i\n", width, height, j1, j2);
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//printf("[(%f,%f) (%f,%f)]\n",x_low_win, y_low_win, x_hi_win, y_hi_win);
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double x_step;// = (width * 0.8) / x.size();
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double y_step;// = (height * 0.8) / x.size();
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if(x_low_win == -1 and y_low_win == -1 and x_hi_win == -1 and y_hi_win == -1){
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// Audomatically decide data postition
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max_x = x[0];
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max_y = y[0];
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min_x = x[0];
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min_y = y[0];
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for(int i=0; i<x.size(); i++){
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if(x[i] > max_x) max_x = x[i];
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if(x[i] < min_x) min_x = x[i];
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if(y[i] > max_y) max_y = y[i];
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if(y[i] < min_y) min_y = y[i];
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}
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width_scale = (max_x - min_x) / (0.8 * width);
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x_offset = 0.5 * ((max_x - min_x) / 0.8) - 0.5 * (min_x + max_x);
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height_scale = -1. * (max_y - min_y) / (0.8 * height);
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y_offset = -0.5 * ((max_y - min_y) / 0.8) + -0.5 * (min_y + max_y);
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XSetForeground(disp, DefaultGC(disp,screen), xcolour_red.pixel);
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double x_wid ;
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double y_wid ;
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for(int i=0; i < (int) width; i += 2){
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double x_val = i * width_scale - x_offset;
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double y_val = legval(x_val);
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y_wid = (y_val + y_offset) / height_scale;
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XFillRectangle(disp, wind, DefaultGC(disp, screen), i -2, y_wid -2, 4, 4);
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}
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// XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid2 -2, y_wid2 -2, 4, 4);
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} else {
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//double x_low_win, double y_low_win, double x_hi_win, double y_hi_win
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width_scale = (x_hi_win - x_low_win) / width;
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x_offset = -1.0 * x_low_win;
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height_scale = (y_hi_win - y_low_win) / height;
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y_offset = -1.0 * y_low_win;
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XSetForeground(disp, DefaultGC(disp,screen), xcolour_red.pixel);
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double x_wid ;
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double y_wid ;
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for(int i=0; i < (int) width; i += 2){
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double x_val = i * width_scale - x_offset;
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double y_val = legval(x_val);
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y_wid = (y_val + y_offset) / height_scale;
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XFillRectangle(disp, wind, DefaultGC(disp, screen), i -2, y_wid -2, 4, 4);
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}
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}
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old_xl = x_low_win;
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old_yl = y_low_win;
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old_xh = x_hi_win;
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old_yh = y_hi_win;
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return 1;
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}
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int HistoGUI::DrawData(double x_low_win, double y_low_win, double x_hi_win, double y_hi_win){
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if(fit_exists){
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Draw_Fit(x_low_win,y_low_win,x_hi_win,y_hi_win);
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}
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int j1, j2;
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unsigned int j3, j4;
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Window root_return;
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XGetGeometry(disp, wind, &root_return, &j1, &j2, &width, &height, &j3, &j4);
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//printf("Width = %u, Height = %u, x = %i, y = %i\n", width, height, j1, j2);
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//printf("[(%f,%f) (%f,%f)]\n",x_low_win, y_low_win, x_hi_win, y_hi_win);
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double x_step;// = (width * 0.8) / x.size();
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double y_step;// = (height * 0.8) / x.size();
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if(x_low_win == -1 and y_low_win == -1 and x_hi_win == -1 and y_hi_win == -1){
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// Audomatically decide data postition
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max_x = x[0];
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max_y = y[0];
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min_x = x[0];
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min_y = y[0];
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for(int i=0; i<x.size(); i++){
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if(x[i] > max_x) max_x = x[i];
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if(x[i] < min_x) min_x = x[i];
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if(y[i] > max_y) max_y = y[i];
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if(y[i] < min_y) min_y = y[i];
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}
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//printf(" max_x = %f\n", max_x );
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//printf(" max_y = %f\n", max_y );
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//printf(" min_x = %f\n", min_x );
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//printf(" min_y = %f\n", min_y );
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width_scale = (max_x - min_x) / (0.8 * width);
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x_offset = 0.5 * ((max_x - min_x) / 0.8) - 0.5 * (min_x + max_x);
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height_scale = -1. * (max_y - min_y) / (0.8 * height);
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y_offset = -0.5 * ((max_y - min_y) / 0.8) + -0.5 * (min_y + max_y);
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//printf("width scale = %f\n", width_scale);
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//printf("x_offset = %f\n", x_offset);
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//printf("height scale = %f\n", height_scale);
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//printf("y_offset = %f\n", y_offset);
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double axis_x = (0. + x_offset) / width_scale;
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double axis_y = (0. + y_offset) / height_scale;
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//cout << "x-axis = %lf\n" <<axis_x;
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//cout << "y-axis = %lf\n" <<axis_y;
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XSetForeground(disp, DefaultGC(disp,screen), xcolour.pixel);
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XDrawLine(disp, wind, DefaultGC(disp, screen), axis_x, 0.0, axis_x, height);
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XDrawLine(disp, wind, DefaultGC(disp, screen), 0.0, axis_y, width, axis_y);
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//XDrawLine(disp, wind, DefaultGC(disp, screen), 500, 0.0, 500, 600);
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//XDrawLine(disp, wind, DefaultGC(disp, screen), 0.0, 400, 700, 400);
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char axis_val[4];
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int w_step = width / 10;
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for(int i=0; i < (int) width; i += w_step){
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double x_val = i * width_scale - x_offset;
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sprintf(axis_val, "%.1f", x_val);
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XDrawString(disp, wind, DefaultGC(disp, screen), i, axis_y + 10, axis_val, strlen(axis_val));
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}
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int h_step = height / 10;
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for(int i=0; i < (int) height; i += h_step){
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double y_val = i * height_scale - y_offset;
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sprintf(axis_val, "%.1f", y_val);
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XDrawString(disp, wind, DefaultGC(disp, screen), axis_x + 10, i, axis_val, strlen(axis_val));
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}
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XSetForeground(disp, DefaultGC(disp,screen), 0);
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double x_wid ;
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double y_wid ;
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// double x_wid2;
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// double y_wid2;
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double y_errors_wid;
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for(int i=0; i < x.size() - 1; i++){
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x_wid = (x[i] + x_offset) / width_scale;
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y_wid = (y[i] + y_offset) / height_scale;
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y_errors_wid = (y_errors[i] / height_scale);
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// x_wid2 = (x[i + 1] + x_offset) / width_scale;
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// y_wid2 = (y[i + 1] + y_offset) / height_scale;
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//printf("(%f, %f), (%f,%f)\n", x_wid,y_wid,x_wid2,y_wid2);
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// XDrawLine(disp, wind, DefaultGC(disp, screen), x_wid, y_wid, x_wid2, y_wid2);
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XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid -3, y_wid -3, 6, 6);
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XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid -1, y_wid + y_errors_wid, 2, y_errors_wid);
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XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid -1, y_wid - y_errors_wid, 2, y_errors_wid);
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//error bar testing
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XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid -4, y_wid + y_errors_wid, 8, 2);
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XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid -4, y_wid - y_errors_wid, 8, 2);
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}
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// XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid2 -2, y_wid2 -2, 4, 4);
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} else {
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//double x_low_win, double y_low_win, double x_hi_win, double y_hi_win
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width_scale = (x_hi_win - x_low_win) / width;
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x_offset = -1.0 * x_low_win;
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height_scale = (y_hi_win - y_low_win) / height;
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y_offset = -1.0 * y_low_win;
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//printf("width scale = %f\n", width_scale);
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//printf("x_offset = %f\n", x_offset);
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//printf("height scale = %f\n", height_scale);
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//printf("y_offset = %f\n", y_offset);
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double axis_x = (0. + x_offset) / width_scale;
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double axis_y = (0. + y_offset) / height_scale;
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XSetForeground(disp, DefaultGC(disp,screen), xcolour.pixel);
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XDrawLine(disp, wind, DefaultGC(disp, screen), axis_x, 0.0, axis_x, height);
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XDrawLine(disp, wind, DefaultGC(disp, screen), 0.0, axis_y, width, axis_y);
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char axis_val[4];
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int w_step = width / 10;
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for(int i=0; i < (int) width; i += w_step){
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double x_val = i * width_scale - x_offset;
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sprintf(axis_val, "%.1f", x_val);
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XDrawString(disp, wind, DefaultGC(disp, screen), i, axis_y + 10, axis_val, strlen(axis_val));
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}
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int h_step = height / 10;
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for(int i=0; i < (int) height; i += h_step){
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double y_val = i * height_scale - y_offset;
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sprintf(axis_val, "%.1f", y_val);
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XDrawString(disp, wind, DefaultGC(disp, screen), axis_x + 10, i, axis_val, strlen(axis_val));
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}
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XSetForeground(disp, DefaultGC(disp,screen), 0);
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double x_wid ;
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double y_wid ;
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// double x_wid2;
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// double y_wid2;
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double y_errors_wid;
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for(int i=0; i < x.size() - 1; i++){
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x_wid = (x[i] + x_offset) / width_scale;
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y_wid = (y[i] + y_offset) / height_scale;
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|
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y_errors_wid = (y_errors[i] / height_scale);
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// x_wid2 = (x[i + 1] + x_offset) / width_scale;
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// y_wid2 = (y[i + 1] + y_offset) / height_scale;
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// printf("(%f, %f), (%f,%f)\n", x_wid,y_wid,x_wid2,y_wid2);
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// XDrawLine(disp, wind, DefaultGC(disp, screen), x_wid, y_wid, x_wid2, y_wid2);
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XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid -3, y_wid -3, 6, 6);
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XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid -1, y_wid , 2, y_errors_wid);
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XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid -1, y_wid - y_errors_wid, 2, y_errors_wid);
|
|
//testig for error bars.
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XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid -4, y_wid + y_errors_wid, 8, 2);
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XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid -4, y_wid - y_errors_wid, 8, 2);
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}
|
|
// XFillRectangle(disp, wind, DefaultGC(disp, screen), x_wid2 -2, y_wid2 -2, 4, 4);
|
|
|
|
|
|
}
|
|
|
|
old_xl = x_low_win;
|
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old_yl = y_low_win;
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old_xh = x_hi_win;
|
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old_yh = y_hi_win;
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
int HistoGUI::Loop(){
|
|
|
|
bool MousePressed = false;
|
|
bool MousePressed2 = false;
|
|
|
|
while (1) {
|
|
XNextEvent(disp, &evt);
|
|
if (evt.type == Expose) {
|
|
// XFillRectangle(disp, wind, DefaultGC(disp, screen), 20, 20, 10, 10);
|
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// XDrawString (disp, wind, DefaultGC(disp, screen), 10, 50, msg, strlen(msg));
|
|
DrawData(-1,-1,-1,-1);
|
|
} else if (evt.type == ButtonPress){
|
|
/* store the mouse button coordinates in 'int' variables. */
|
|
/* also store the ID of the window on which the mouse was */
|
|
/* pressed. */
|
|
int mouse_x = evt.xbutton.x;
|
|
int mouse_y = evt.xbutton.y;
|
|
old_mouse_x = mouse_x;
|
|
old_mouse_y = mouse_y;
|
|
|
|
/* check which mouse button was pressed, and act accordingly. */
|
|
if(evt.xbutton.button == Button1){
|
|
/* draw a pixel at the mouse position. */
|
|
XClearWindow(disp, wind);
|
|
DrawCrosshairs(mouse_x, mouse_y);
|
|
DrawData(old_xl, old_yl, old_xh, old_yh);
|
|
MousePressed = true;
|
|
printf("(%f, %f)\n", pos_x, pos_y);
|
|
} if(evt.xbutton.button == Button3){
|
|
MousePressed2 = true;
|
|
} if(evt.xbutton.button == Button2){
|
|
XClearWindow(disp, wind);
|
|
DrawData(old_xl, old_yl, old_xh, old_yh);
|
|
}
|
|
} else if (evt.type == ButtonRelease){
|
|
/* store the mouse button coordinates in 'int' variables. */
|
|
/* also store the ID of the window on which the mouse was */
|
|
/* pressed. */
|
|
int mouse_x = evt.xbutton.x;
|
|
int mouse_y = evt.xbutton.y;
|
|
//printf("Released button: %i, %i\n", mouse_x, mouse_y);
|
|
//printf("Pressed button: %i, %i\n", mouse_x, mouse_y);
|
|
/* check which mouse button was pressed, and act accordingly. */
|
|
if(evt.xbutton.button == Button1){
|
|
/* draw a pixel at the mouse position. */
|
|
Zoom(mouse_x, mouse_y);
|
|
//DrawData();
|
|
MousePressed = false;
|
|
} if(evt.xbutton.button == Button3){
|
|
MousePressed2 = false;
|
|
}
|
|
} else if (evt.type == MotionNotify and MousePressed){
|
|
|
|
int mouse_x = evt.xmotion.x;
|
|
int mouse_y = evt.xmotion.y;
|
|
XClearWindow(disp, wind);
|
|
|
|
DrawCrosshairs(old_mouse_x, old_mouse_y);
|
|
DrawCrosshairs(mouse_x, mouse_y);
|
|
DrawData(old_xl, old_yl, old_xh, old_yh);
|
|
|
|
} else if (evt.type == MotionNotify and MousePressed2){
|
|
|
|
int mouse_x = evt.xmotion.x;
|
|
int mouse_y = evt.xmotion.y;
|
|
|
|
XSetForeground(disp, DefaultGC(disp,screen), xcolour_veryred.pixel);
|
|
XFillRectangle(disp, wind, DefaultGC(disp, screen), mouse_x -2, mouse_y -2, 4, 4);
|
|
|
|
} else if (evt.type == KeyPress){
|
|
|
|
printf("Key pressed = %x\n", evt.xkey.keycode);
|
|
if(evt.xkey.keycode == 0x41 or evt.xkey.keycode == 0x39){
|
|
XClearWindow(disp, wind);
|
|
DrawData(-1,-1,-1,-1);
|
|
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|