Drawable

This page is about defining drawables in json files. These are used in backgrounds on themes for example.

In all examples we will use background.

Drawables have a type (for example images). Each type has different properties. For each type each property will be listed and explained.

Empty Drawable

Type name: empty or null

Empty Drawables are special since they don't need to be an object. The can juts be null.

Empty Drawables don't have any properties.

Example:

Both definitions are equivalent.

{
  "background1": null,
  "background2": {
    "type": "empty"
  }
}

Images

Type name: texture

You can get an existing image with name or id. In this case all other properties will be ignored.

{
  "background": {
    "type": "texture",
    "id": "vanilla_background"
  }
}

Or you can define a new image. An image has multiple subtypes.

1. Full image: Uses the whole image at the given path (will be stretched to fit the render size)
2. Sub image: Uses a rectangular part of an image (will be stretched to fit the render size)
3. Adaptable image: has a border and a plain center. The border is drawn separately, so it won't be stretched no matter how large the texture is drawn. The center should be plain because it will be stretched to fit the render size.
4. Tiled image: The image will be drawn multiples times at its original size like tiles to fit the render size. This can be combined with adaptable image.

For all image types you need the location property. It defines where the image file is. The value is a resource location. Check out the GroovyScript docs to find out more.

Full image

Full images only need the location property, which is explained above.

Sub image

Here you want to define a rectangle inside the image. You can do that using x, y, w, h, iw and ih. All these properties are in pixel. w is also width, h is also height, iw is also imageWidth and ih is also imageHeight.

Or you can define a rectangle with u0, v0, u1 and v1. These are relative values from 0.0 to 1.0. u is the x-axis and v the y-axis. 0 means start and 1 means end.

!!! Warning You can NOT mix both types!

Adaptable image

Can be a full image or a sub image. To make an image adaptable you need borderX and/or borderY or just border ( sets both axis). borderX is the border size on the x-axis. All properties are in pixels.

Tiled image

Can be a full image or a sub image. Can also have border properties for adaptable image. For tiled images you need "tiled": true and imageWidth (or iw) and imageHeigth (or ih).

Example

This is an example for an adaptable sub image (we set the values to still be the full image).

{
  "background": {
    "type": "texture",
    "location": "modularui:gui/background/background",
    "imageWidth": 195,
    "imageHeight": 136,
    "x": 0,
    "y": 0,
    "width": 195,
    "height": 136,
    "border": 4
  }
}

Colored rectangle

Type name: color or rectangle

Properties:

• cornerRadius is the corner radius. Default is 0
• cornerSegments is the amount of segments the corner has if the corner radius is not 0. Default is 6. Lower means more pointy but faster drawing, higher means smoother but slower drawing.
• color is the color of the whole rectangle (see colors)

We can also set colors for each corner individually. This way we can create beautiful gradients.

• colorTop sets the color of the top left and top right corner. colorBottom, colorLeft and colorRight work analogue
• colorTopLeft or colorTL sets the color of the top left corner. colorTopRight, colorBottomLeft and colorBottomRight work analogue

Of course, you can combine multiple colors. For example, you can set color and then colorBL. This will make all corners have the color of color except the bottom left corner which will have the colorBL color.

Ellipse / Circle

Type name: ellipse

The ellipse will always stretch to its render size. It will only be a circle if render width and render height are the same.

Properties:

• color sets the color of the whole circle
• colorInner sets the center color, creating a gradient
• colorOuter sets the outer color, creating a gradient
• segments is the amount of edges the circle will have. Default is 40. Lower means more pointer and, but faster drawing and higher means smoother and slower drawing. With low segment count you can also draw polygons

Text

Type name: text

Properties:

• text, string or key: The text (Required)
• lang or translate: If the text is a lang key and should be translated (Default is false)
• color: Text color (see color) (Uses color of the widget theme if applicable by default)
• shadow: True if the text should have a shadow. (Uses shadow of the widget theme if applicable by default)
• align or alignment: The alignment of the text in the render size. (see alignment) (Default is center)
• scale: The scale to draw text at. (Default is 1.0)

Example

{
  "type": "text",
  "text": "Hello World",
  "lang": false
}

The text can also be an array. In this case the lang property is ignored. Each of the elements in the array can either be a string or an object with the text and lang property. Those objects can also have any style property like color and shadow.

Example

{
  "type": "text",
  "text": [
    "Hello ",
    {
      "text": "this.part.is.translated",
      "lang": true
    },
    "I18n:this.part.is.also.translated"
  ]
}

As you can see in the example above you can also start a string with I18n: to make it translated.

Item

Type name: item

• item: The format is mod:item_id:meta where meta is optional
• nbt: nbt data (untested)

Example

{
  "background": {
    "type": "item",
    "item": "minecraft:diamond"
  }
}

Icon

An icon is a drawable wrapper which can draw a drawable at a fixed size.

Type name: icon

Properties:

• drawable or icon: The wrapped drawable. (Required)
• width or w: The width to render the drawable at.
• height or h: The height to render the drawable at.
• autoWidth and autoHeight: True if the width/height should match the render size (how normal drawables work).
• autoSize: True if the width and height should match the render size (how normal drawables work). (Default is true)
• alignment or align: The alignment of the drawable in the render size. (see alignment) (default is center)

You can also set margins. But they only work if the width (for left and right) or the height (for top and bottom) is set to auto. Multiple margins can be combined.

• margin: The margin on all edges
• marginHorizontal and marginVertical: The margin on horizontal (left and right) or vertical (top and bottom) edges
• marginTop, marginBottom, marginLeft, marginRight; The margin of each edge

Example

{
  "background": {
    "type": "icon",
    "drawable": {
      "type": "...",
      "...": "..."
    },
    "width": 18,
    "height": 18
  }
}

Drawable array

A drawable can also be multiple drawable. You can do that by using square brackets [] instead of curly brackets {}. And inside there you just define multiple drawable objects

Example

{
  "background": [
    {
      "type": "...",
      "...": "..."
    },
    {
      "type": "...",
      "...": "..."
    },
    {
      "type": "...",
      "...": "..."
    }
  ]
}

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