src/examples/photocam_example_01.c

   1 //Compile with:
   2 //gcc -o photocam_example_01 photocam_example_01.c -g `pkg-config --cflags --libs elementary` -DDATA_DIR="\"<directory>\""
   3 //where directory is the path where images/insanely_huge_test_image.jpg can be found.
   4
   5 #include <Elementary.h>
   6
   7 static void _fit(void *data, Evas_Object *obj, void *event_info);
   8 static void _unfit(void *data, Evas_Object *obj, void *event_info);
   9 static void _zoom(void *data, Evas_Object *obj, void *event_info);
  10 static void _bring_in(void *data, Evas_Object *obj, void *event_info);
  11
  12 EAPI_MAIN int
  13 elm_main(int argc, char **argv)
  14 {
  15    Evas_Object *win, *obj, *photocam;
  16    char buf[PATH_MAX];
  17
  18    elm_app_info_set(elm_main, "elementary", "images/insanely_huge_test_image.jpg");
  19    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
  20
  21    win = elm_win_util_standard_add("photocam", "Photocam");
  22    elm_win_autodel_set(win, EINA_TRUE);
  23
  24    photocam = elm_photocam_add(win);
  25    snprintf(buf, sizeof(buf), "%s/images/insanely_huge_test_image.jpg", elm_app_data_dir_get());
  26    elm_photocam_file_set(photocam, buf);
  27    elm_scroller_bounce_set(photocam, EINA_FALSE, EINA_TRUE);
  28    evas_object_smart_callback_add(photocam, "loaded,detail", _bring_in, NULL);
  29    evas_object_resize(photocam, 500, 400);
  30    evas_object_show(photocam);
  31
  32    obj = elm_button_add(win);
  33    elm_object_text_set(obj, "Fit");
  34    evas_object_show(obj);
  35    evas_object_resize(obj, 50, 30);
  36    evas_object_move(obj, 10, 410);
  37    evas_object_smart_callback_add(obj, "clicked", _fit, photocam);
  38
  39    obj = elm_button_add(win);
  40    elm_object_text_set(obj, "Unfit");
  41    evas_object_show(obj);
  42    evas_object_resize(obj, 70, 30);
  43    evas_object_move(obj, 70, 410);
  44    evas_object_smart_callback_add(obj, "clicked", _unfit, photocam);
  45
  46    obj = elm_slider_add(win);
  47    elm_object_text_set(obj, "Zoom");
  48    evas_object_show(obj);
  49    evas_object_resize(obj, 300, 30);
  50    evas_object_move(obj, 150, 410);
  51    evas_object_smart_callback_add(obj, "changed", _zoom, photocam);
  52
  53    evas_object_resize(win, 500, 440);
  54    evas_object_show(win);
  55
  56    elm_run();
  57
  58    return 0;
  59 }
  60 ELM_MAIN()
  61
  62 static void
  63 _bring_in(void *data, Evas_Object *obj, void *event_info)
  64 {
  65    int w, h;
  66    elm_photocam_image_size_get(obj, &w, &h);
  67    elm_photocam_image_region_bring_in(obj, w/2, h/2, 500, 400);
  68 }
  69
  70 static void
  71 _fit(void *data, Evas_Object *obj, void *event_info)
  72 {
  73    int x, y, w, h;
  74    elm_photocam_image_region_get(data, &x, &y, &w, &h);
  75    printf("region: {%d, %d, %d, %d}\n", x, y, w, h);
  76    elm_photocam_zoom_mode_set(data, ELM_PHOTOCAM_ZOOM_MODE_AUTO_FIT);
  77 }
  78
  79 static void
  80 _unfit(void *data, Evas_Object *obj, void *event_info)
  81 {
  82    elm_photocam_zoom_mode_set(data, ELM_PHOTOCAM_ZOOM_MODE_MANUAL);
  83 }
  84
  85 static void
  86 _zoom(void *data, Evas_Object *obj, void *event_info)
  87 {
  88    double z = elm_slider_value_get(obj) * 8;
  89    elm_photocam_zoom_set(data, z);
  90 }