more info in ui and print view info on exit

src/mandelbrot.c

@@ -241,16 +241,16 @@ parse_opt (int key, char *arg, struct argp_state *state)
         break;
 
     case 'a':
-        arguments->x_max = atoi(arg);
+        arguments->x_max = atof(arg);
         break;
     case 'b':
-        arguments->x_min = atoi(arg);
+        arguments->x_min = atof(arg);
         break;
     case 'c':
-        arguments->y_max= atoi(arg);
+        arguments->y_max= atof(arg);
         break;
     case 'd':
-        arguments->y_min= atoi(arg);
+        arguments->y_min= atof(arg);
         break;
     case 'z':
         arguments->zoom= atof(arg);
@@ -358,10 +358,10 @@ main(int argc, char **argv)
     
     
     ViewInfo view = {
-        .x_min = args.x_min * args.zoom,
-        .x_max = args.x_max * args.zoom,
-        .y_min = args.y_min * args.zoom,
-        .y_max = args.y_max * args.zoom,
+        .x_min = args.x_min,
+        .x_max = args.x_max,
+        .y_min = args.y_min,
+        .y_max = args.y_max,
         .zoom = args.zoom 
     };
 
@@ -520,7 +520,7 @@ main(int argc, char **argv)
             fps = 1000.0 / (double) msec;
 
         if(app.draw_ui)
-            render_ui(&ui, app.renderer, view, fps);
+            render_ui(&ui, app.renderer, view, fps, app.win_width, app.win_height, screen.size);
 
         SDL_RenderPresent(app.renderer); 
     }
@@ -530,4 +530,11 @@ main(int argc, char **argv)
         SDL_DestroyRenderer(app.renderer);
         SDL_DestroyWindow(app.window);
         SDL_Quit();
+
+        printf("To recreate last image add those arguments to program next time:\n"
+                        "--x_min %lf --x_max %lf --y_min %lf --y_max %lf --zoom %lf "
+                        "--width %u --height %u --iterations %u\n",
+                        view.x_min, view.x_max, view.y_min, view.y_max, view.zoom,
+                        app.win_width, app.win_height, args.max_iterations
+                );
 }

src/ui.c

 #include "ui.h"
+#include <SDL2/SDL_render.h>
 
 void 
 render_text(SDL_Renderer* renderer, TTF_Font* font, const char* text, SDL_Rect* rect) {
@@ -26,34 +27,59 @@ init_ui(UI* ui)
     
     ui->fps_display = (SDL_Rect){UI_PADDING, UI_PADDING * 2 + BUTTON_HEIGHT, 
                                         BUTTON_WIDTH, BUTTON_HEIGHT};
+
+    ui->window_size = (SDL_Rect){UI_PADDING, UI_PADDING * 3 + 2 * BUTTON_HEIGHT, 
+                                        BUTTON_WIDTH, BUTTON_HEIGHT};
+
+    ui->x_cords = (SDL_Rect){UI_PADDING, UI_PADDING * 4 + 3 * BUTTON_HEIGHT, 
+                                        BUTTON_WIDTH, BUTTON_HEIGHT};
+
+    ui->y_cords = (SDL_Rect){UI_PADDING, UI_PADDING * 5 + 4 * BUTTON_HEIGHT, 
+                                        BUTTON_WIDTH, BUTTON_HEIGHT};
+
     TTF_Init();
 
     //ui->font = TTF_OpenFont("/System/Library/Fonts/Monaco.ttf", FONT_SIZE);
     //ui->font = TTF_OpenFont("C:/Windows/Fonts/arial.ttf", FONT_SIZE);
     ui->font = TTF_OpenFont("/usr/share/fonts/nerdfonts/TerminessNerdFont-Regular.ttf", FONT_SIZE);
     if (!ui->font) {
-        printf("Font yüklenemedi: %s\n", TTF_GetError());
+        printf("Font not found!: %s\n", TTF_GetError());
     }
 }
 
 void 
-render_ui(UI* ui, SDL_Renderer* renderer, ViewInfo view, float fps)
+render_ui(UI* ui, SDL_Renderer* renderer, ViewInfo view, float fps, unsigned short win_width, unsigned short win_height, int arr_size)
 {
     SDL_SetRenderDrawColor(renderer, 60, 60, 60, UI_ALPHA);
     SDL_RenderFillRect(renderer, &ui->zoom_display);
     SDL_RenderFillRect(renderer, &ui->fps_display);
-    
+    SDL_RenderFillRect(renderer, &ui->window_size);
+    SDL_RenderFillRect(renderer, &ui->x_cords);
+    SDL_RenderFillRect(renderer, &ui->y_cords);
+
     SDL_SetRenderDrawColor(renderer, 255, 255, 255, UI_ALPHA);
     SDL_RenderDrawRect(renderer, &ui->zoom_display);
     SDL_RenderDrawRect(renderer, &ui->fps_display);
+    SDL_RenderDrawRect(renderer, &ui->window_size);
+    SDL_RenderDrawRect(renderer, &ui->x_cords);
+    SDL_RenderDrawRect(renderer, &ui->y_cords);
 
     if (ui->font) {
-        char buf[16];
+        char buf[24];
         snprintf(buf, sizeof(buf), "Zoom %.3gx", view.zoom);
         render_text(renderer, ui->font, buf, &ui->zoom_display);
 
         snprintf(buf, sizeof(buf), "Fps %.2f", fps);
         render_text(renderer, ui->font, buf, &ui->fps_display);
+
+        snprintf(buf, sizeof(buf), "%ux%u; arr:%d", win_width, win_height, arr_size);
+        render_text(renderer, ui->font, buf, &ui->window_size);
+
+        snprintf(buf, sizeof(buf), "x:(%lf %lf)", view.x_min, view.x_max);
+        render_text(renderer, ui->font, buf, &ui->x_cords);
+
+        snprintf(buf, sizeof(buf), "y:(%lf %lf)", view.y_min, view.y_max);
+        render_text(renderer, ui->font, buf, &ui->y_cords);
     }
 }
 

src/ui.h

@@ -6,7 +6,7 @@
 #include "mouse.h"
 #include "mandelbrot.h"
 
-#define BUTTON_WIDTH 120
+#define BUTTON_WIDTH 190
 #define BUTTON_HEIGHT 30
 #define PREVIEW_SIZE 200
 #define UI_PADDING 10
@@ -17,11 +17,16 @@
 typedef struct {
     SDL_Rect zoom_display;
     SDL_Rect fps_display;
+
+    SDL_Rect window_size;
+    SDL_Rect x_cords;
+    SDL_Rect y_cords;
+
     TTF_Font* font;
 } UI;
 
 void init_ui(UI* ui);
-void render_ui(UI* ui, SDL_Renderer* renderer, ViewInfo view, float fps);
+void render_ui(UI* ui, SDL_Renderer* renderer, ViewInfo view, float fps, unsigned short win_width, unsigned short win_height, int arr_size);
 int handle_ui_event(UI* ui, SDL_Event event, ViewInfo* view);
 
 void cleanup_ui(UI* ui);