Implementing GUI (init, handling_event, free)

2 files changed, 166 insertions, 5 deletions

diff --git a/include/gui/gui.h b/include/gui/gui.h
index 14bdcf2..daaf8de 100644
--- a/include/gui/gui.h
+++ b/include/gui/gui.h
@@ -1,14 +1,39 @@
 #ifndef UPEM_MORPHING_GUI
 #define UPEM_MORPHING_GUI
 
+#include <gui/window.h>
 /**
  * File: gui.h
  */
 
+typedef struct {
+  Window *window;
+  Button *button1;
+  Button *button2;
+  Button *button3;
+  Button *button4;
+  Button *button5;
+  Button *button6;
+  Button *button7;
+  PictureFrame *pictureFrame1;
+  PictureFrame *pictureFrame2;
+  Canvas *canvasSrc;
+  Canvas *canvasTrg;
+  Morphing *morphing;
+  MLV_Keyboard_button keyboardButton;
+  MLV_Keyboard_modifier keyboardModifier;
+  int unicode;
+  int mouse_x;
+  int mouse_y;
+} GUI;
+
+
+GUI *gui_init(const char *fpath1, const char *fpath2);
 /**
- * Function: gui_open
+ * Function: gui_handle_event
  * Builds and opens the graphical user interface.
  */
-void gui_open(void);
+void gui_handle_event(GUI *gui);
 
+void gui_free(GUI *gui);
 #endif
diff --git a/src/gui/gui.c b/src/gui/gui.c
index 2a3d018..3982f68 100644
--- a/src/gui/gui.c
+++ b/src/gui/gui.c
@@ -1,4 +1,140 @@
-//
-// Created by adam on 01/01/18.
-//
+#include <gui/window.h>
+#include <gui/gui.h>
+#include <common/mem.h>
+#include <MLV/MLV_all.h>
+#include <gui/button.h>
 
+
+GUI *gui_init(const char *fpath1, const char *fpath2) {
+  GUI *gui = malloc_or_die(sizeof(GUI));
+
+  gui->window = malloc_or_die(sizeof(Window));
+  window_init(gui->window, 500, 500, "Morphing");
+  window_create(gui->window);
+  gui->canvasSrc = canvas_create_from_image(fpath1);
+  gui->canvasTrg = canvas_create_from_image(fpath2);
+  if (gui->canvasSrc->mlv == NULL || gui->canvasTrg->mlv == NULL) {
+    canvas_destroy(gui->canvasSrc);
+    canvas_destroy(gui->canvasTrg);
+    /*window_free(gui->window);*/
+    fprintf(stderr, "Impossible to create an image from the path given. Verify the two paths.\n");
+    exit(-4);
+  }
+  int canvasSrcWidth;
+  int canvasTrgWidth;
+  int canvasSrcHeight;
+  int canvasTrgHeight;
+
+  MLV_get_image_size(gui->canvasSrc->mlv, &canvasSrcWidth, &canvasSrcHeight);
+  MLV_get_image_size(gui->canvasTrg->mlv, &canvasTrgWidth, &canvasTrgHeight);
+
+  if (canvasSrcWidth != canvasTrgWidth || canvasSrcHeight != canvasTrgHeight) {
+    canvas_destroy(gui->canvasSrc);
+    canvas_destroy(gui->canvasTrg);
+    window_free(gui->window);
+    fprintf(stderr, "The two pictures do not have the same size\n");
+    exit(-5);
+  }
+
+  gui->window->width = 2 * canvasSrcWidth + 10;
+  gui->window->height = canvasSrcHeight + 200;
+
+  MLV_change_window_size((unsigned int) gui->window->width, (unsigned int) gui->window->height);
+
+  gui->button1 = malloc_or_die(sizeof(Button));
+  gui->button2 = malloc_or_die(sizeof(Button));
+  gui->button3 = malloc_or_die(sizeof(Button));
+  gui->button4 = malloc_or_die(sizeof(Button));
+  gui->button5 = malloc_or_die(sizeof(Button));
+  gui->button6 = malloc_or_die(sizeof(Button));
+  gui->button7 = malloc_or_die(sizeof(Button));
+
+  gui->pictureFrame1 = malloc_or_die(sizeof(PictureFrame));
+  gui->pictureFrame2 = malloc_or_die(sizeof(PictureFrame));
+
+  gui->morphing = morphing_create(canvasSrcWidth, canvasSrcHeight);
+
+
+  sprintf(labelFrame, "%03d frames", frame);
+  button_init(gui->button1, "Add constraint point", 10, 0, 0, button_click_add_constraint);
+  button_init(gui->button2, "Show/Hide", 10, 0, 0, button_click_show_hide);
+  button_init(gui->button3, "Start rendering", 10, 0, 0, button_click_rendering);
+  button_init(gui->button4, "<<<", 10, 0, 0, button_click_less_frame);
+  button_init(gui->button5, labelFrame, 10, 0, 0, button_click_none);
+  button_init(gui->button6, ">>>", 10, 0, 0, button_click_more_frame);
+  button_init(gui->button7, "Exit", 10, 0, 0, button_click_exit);
+
+  pictureframe_init(gui->pictureFrame1, canvasSrcWidth, canvasSrcHeight, 0, 0, pictureframe_origin_split, gui->morphing,
+                    gui->canvasSrc,
+                    pictureframe_click_handler_origin);
+  pictureframe_init(gui->pictureFrame2, canvasSrcWidth, canvasSrcHeight, 0, 0, pictureframe_target_split, gui->morphing,
+                    gui->canvasTrg,
+                    pictureframe_click_handler_target);
+
+  window_add_pictureframe(gui->window, gui->pictureFrame1);
+  window_add_pictureframe(gui->window, gui->pictureFrame2);
+
+  window_add_button(gui->window, gui->button1);
+  window_add_button(gui->window, gui->button2);
+  window_add_button(gui->window, gui->button3);
+  window_add_button(gui->window, gui->button4);
+  window_add_button(gui->window, gui->button5);
+  window_add_button(gui->window, gui->button6);
+  window_add_button(gui->window, gui->button7);
+
+
+  window_print_buttons(gui->window);
+  window_print_pictureframes(gui->window);
+  return gui;
+}
+
+void gui_handle_event(GUI *gui) {
+  window_click_keyboard_handler(gui->window, &gui->keyboardButton, &gui->keyboardModifier, &gui->unicode, &gui->mouse_x,
+                                &gui->mouse_y);
+  switch (mode) {
+    case PRINTING:
+      window_print_pictureframes(gui->window);
+      mode = WAITING_BUTTON_SHOW;
+      break;
+    case WAITING_BUTTON_SHOW:
+      window_print_pictureframes(gui->window);
+      break;
+    case WAITING_BUTTON_HIDE:
+      window_print_pictureframes(gui->window);
+      break;
+    case PRINTING_BUTTONS:
+      button_init(gui->button5, labelFrame, 10, gui->button5->component.x_pos, gui->button5->component.y_pos,
+                  button_click_none);
+      window_print_buttons(gui->window);
+      mode = WAITING_BUTTON_SHOW;
+      break;
+    case RENDERING:
+      window_rendering(gui->window, gui->pictureFrame1, gui->canvasSrc, gui->canvasTrg, gui->morphing);
+      break;
+    case INSERT_TARGET:
+      if (gui->keyboardButton == MLV_KEYBOARD_ESCAPE) {
+        window_print_pictureframes(gui->window);
+        mode = WAITING_BUTTON_SHOW;
+      }
+      break;
+    default:
+      break;
+  }
+}
+
+void gui_free(GUI *gui) {
+  window_free(gui->window);
+  canvas_destroy(gui->canvasSrc);
+  canvas_destroy(gui->canvasTrg);
+  morphing_destroy(gui->morphing);
+
+  free(gui->button1);
+  free(gui->button2);
+  free(gui->button3);
+  free(gui->button4);
+  free(gui->button5);
+  free(gui->button6);
+  free(gui->button7);
+  free(gui->pictureFrame1);
+  free(gui->pictureFrame2);
+}
\ No newline at end of file