Code
The code block(s) should be between ```c and ``` tags:
#define IMAGE_ICON_NUM 147
#define IMAGE_ROW_NUM 7
#define IMAGE_SIZE 100
#define IMAGE_OFFSET_X 0
#define IMAGE_OFFSET_Y 0
#define IMAGE_SCALE 0.4f
lv_obj_t * image[IMAGE_ICON_NUM];
lv_point_t init_pos[IMAGE_ICON_NUM];
lv_point_t point_final = {0,0};
LV_IMAGE_DECLARE(img_picture_1_dsc);
LV_IMAGE_DECLARE(img_picture_2_dsc);
LV_IMAGE_DECLARE(img_picture_3_dsc);
LV_IMAGE_DECLARE(img_picture_4_dsc);
LV_IMAGE_DECLARE(img_picture_5_dsc);
LV_IMAGE_DECLARE(img_picture_6_dsc);
LV_IMAGE_DECLARE(img_picture_7_dsc);
LV_IMAGE_DECLARE(img_picture_8_dsc);
LV_IMAGE_DECLARE(img_picture_9_dsc);
LV_IMAGE_DECLARE(img_picture_10_dsc);
const lv_img_dsc_t * my_img[] = {
&img_picture_1_dsc,
&img_picture_2_dsc,
&img_picture_3_dsc,
&img_picture_4_dsc,
&img_picture_5_dsc,
&img_picture_6_dsc,
&img_picture_7_dsc,
&img_picture_8_dsc,
&img_picture_9_dsc,
&img_picture_10_dsc,
};
static void img_drag_event_handler(lv_event_t * e)
{
int i;
lv_sqrt_res_t lenth;
int w = lv_obj_get_width(lv_screen_active());
int h = lv_obj_get_height(lv_screen_active());
lv_obj_t * obj = lv_event_get_target(e);
lv_indev_t * indev = lv_indev_active();
if(indev == NULL) return;
lv_point_t vect;
lv_indev_get_vect(indev, &vect);
point_final.x += vect.x;
point_final.y += vect.y;
for(i = 0;i < IMAGE_ICON_NUM;i++)
{
int pos_x,pos_y;
pos_x = init_pos[i].x + point_final.x;
pos_y = init_pos[i].y + point_final.y;
lv_sqrt((pos_x - w / 2) * (pos_x - w / 2) + \
(pos_y - h / 2) * (pos_y - h / 2), \
&lenth, 0xFFFF);
if(1)
{
lv_obj_set_style_transform_scale(image[i],(400 - lenth.i) * IMAGE_SCALE,_LV_STYLE_STATE_CMP_SAME);
lv_obj_set_pos(image[i], pos_x - (400 - lenth.i) * 0.1, pos_y - (400 - lenth.i) * 0.1);
}
else
{
lv_obj_set_pos(image[i], pos_x , pos_y);
}
}
}
void lv_demo_test(void)
{
int i;
int offset_x,offset_y;
lv_obj_t * parent = lv_screen_active();
lv_obj_set_scrollbar_mode(parent,LV_SCROLLBAR_MODE_OFF);
lv_obj_set_scroll_dir(parent,LV_DIR_NONE);
offset_x = IMAGE_OFFSET_X;
offset_y = IMAGE_OFFSET_Y;
for(i=0;i<IMAGE_ICON_NUM;i++)
{
int x,y,l,w,h;
lv_sqrt_res_t len;
w = lv_obj_get_width(parent);
h = lv_obj_get_height(parent);
image[i] = lv_image_create(parent);
image[i]->user_data = i;
lv_image_set_src(image[i],my_img[i]);
if((i / IMAGE_ROW_NUM) % 2){
x = (i % IMAGE_ROW_NUM) * IMAGE_SIZE + IMAGE_SIZE / 2 + offset_x;
}
else {
x = (i % IMAGE_ROW_NUM) * IMAGE_SIZE + offset_x;
}
y = (i / IMAGE_ROW_NUM) * IMAGE_SIZE * 0.886f + offset_y;
lv_sqrt((x - w / 2) * (x - w / 2) + (y - h / 2) * (y - h / 2), &len, 0xFFFF);
if(1)
{
lv_obj_set_style_transform_scale(image[i],(w / 2 - len.i) * IMAGE_SCALE,_LV_STYLE_STATE_CMP_SAME);
}
else
{
lv_obj_set_style_transform_scale(image[i],128,_LV_STYLE_STATE_CMP_SAME);
}
lv_obj_set_x(image[i], x);
lv_obj_set_y(image[i], y);
init_pos[i].x = x;
init_pos[i].y = y;
lv_obj_add_flag(image[i],LV_OBJ_FLAG_IGNORE_LAYOUT);
lv_obj_add_flag(image[i],LV_OBJ_FLAG_CLICKABLE);
lv_obj_add_event_cb(image[i],img_drag_event_handler, LV_EVENT_PRESSING, NULL);
}
}
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