Images in theme not loading

[Snayff]

Describe the bug I can't seem to get my theme to load into the UIManager, let alone be applied. I've been comparing the code to the tower defence game you linked and using the same approaches.

To Reproduce Load the theme: gui = pygame_gui.UIManager((VisualInfo.BASE_WINDOW_WIDTH, VisualInfo.BASE_WINDOW_HEIGHT), "data/ui/themes.json")

Configure the theme (themes.json):

{
     "#skill_button":
     {
         "normal_image":
         {
             "path": "assets/skills/placeholder/icon_00.png"
         },
         "hovered_image":
         {
             "path": "assets/skills/placeholder/icon_00.png"
         }
     }
 }

Create the button:

skill = pygame_gui.elements.UIButton(relative_rect=pygame.Rect((x, y), (width, height)), text=f"{skill_slot}",  manager=manager,
                                                 container=self.get_container(), object_id=f"#skill_button")

Expected behaviour Expected button to be shown with an image.

Platform and software (please complete the following information):

• OS: Windows 10 (64 bit)
• Pygame GUI version : 0.4.0
• Pygame version: 2.0.0dev6

Additional context Nothing is applied on screen to the buttons, and when I inspect the gui (UIManager) the theme attirbutes show a lot of data I haven't set, like "#message_window", which I assume is somewhere in the defaults. Although, I didn't even see that when I was looking into the UIAppearanceTheme.

Am I missing something obvious? I tried using an os.abs path, and setting a colour in the json. Setting a colour in a "button" block applied to all buttons, and in the "#skill_button" block also applied, but the images didnt show either way.

P.S. I debated adding this to the thread on reddit, but assumed it would be better suited here. Let me know if you'd rather I raise it somewhere else!

[MyreMylar]

You need an 'images' sub block like this:

{
     "#skill_button":
     {
         "images":
         {
              "normal_image":
              {
                 "path": "assets/skills/placeholder/icon_00.png"
              },
             "hovered_image":
             {
                 "path": "assets/skills/placeholder/icon_00.png"
             }
        }
     }
 }

see the example at the bottom of this page in the docs:
https://pygame-gui.readthedocs.io/en/latest/theme_reference/theme_button.html

[Snayff]

Ah, sorry buddy. That's such a rookie error. :(

[MyreMylar]

No worries. I'm sure there are lots of bugs hidden in my code somewhere and the only way to find them is from people finding them and reporting back. I'd much rather a ton of easily solved bug reports like this than none at all :)

On Tue, 3 Dec 2019, 08:44 Snayff, notifications@github.com wrote:

Ah, sorry buddy. That's such a rookie error. :(

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[zhuoyizhang]

How to load an image from the theme and still do convert_alpha()? My goal is to attach an image with transparent center. I only find the way to attach an image from theme as the way you described in this thread. If there is a way for me to attach an image to a button without using theme, that could be a workaround for me, but I couldn't find it.

Thanks!

[MyreMylar]

At the minute all images are loaded by calling convert alpha anyway so you should be OK.

On Wed, 25 Dec 2019, 21:28 zhuoyizhang, notifications@github.com wrote:

How to load an image from the theme and still do convert_alpha()? My goal is to attach an image with transparent center. I only find the way to attack image from theme. If there is a way for me to attach image to a button without theme that could be a workaround for me, but I couldn't find it.

Thanks!

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