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|
# Style properties
## Size and position
Properties related to size, position, alignment and layout of the objects.
### width
Sets the width of object. Pixel, percentage and `LV_SIZE_CONTENT` values can be used. Percentage values are relative to the width of the parent's content area.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> Widget dependent</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### min_width
Sets a minimal width. Pixel and percentage values can be used. Percentage values are relative to the width of the parent's content area.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### max_width
Sets a maximal width. Pixel and percentage values can be used. Percentage values are relative to the width of the parent's content area.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> LV_COORD_MAX</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### height
Sets the height of object. Pixel, percentage and `LV_SIZE_CONTENT` can be used. Percentage values are relative to the height of the parent's content area.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> Widget dependent</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### min_height
Sets a minimal height. Pixel and percentage values can be used. Percentage values are relative to the width of the parent's content area.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### max_height
Sets a maximal height. Pixel and percentage values can be used. Percentage values are relative to the height of the parent's content area.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> LV_COORD_MAX</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### length
Its meaning depends on the type of the widget. For example in case of lv_scale it means the length of the ticks.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### x
Set the X coordinate of the object considering the set `align`. Pixel and percentage values can be used. Percentage values are relative to the width of the parent's content area.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### y
Set the Y coordinate of the object considering the set `align`. Pixel and percentage values can be used. Percentage values are relative to the height of the parent's content area.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### align
Set the alignment which tells from which point of the parent the X and Y coordinates should be interpreted. The possible values are: `LV_ALIGN_DEFAULT`, `LV_ALIGN_TOP_LEFT/MID/RIGHT`, `LV_ALIGN_BOTTOM_LEFT/MID/RIGHT`, `LV_ALIGN_LEFT/RIGHT_MID`, `LV_ALIGN_CENTER`. `LV_ALIGN_DEFAULT` means `LV_ALIGN_TOP_LEFT` with LTR base direction and `LV_ALIGN_TOP_RIGHT` with RTL base direction.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_ALIGN_DEFAULT`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### transform_width
Make the object wider on both sides with this value. Pixel and percentage (with `lv_pct(x)`) values can be used. Percentage values are relative to the object's width.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### transform_height
Make the object higher on both sides with this value. Pixel and percentage (with `lv_pct(x)`) values can be used. Percentage values are relative to the object's height.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### translate_x
Move the object with this value in X direction. Applied after layouts, aligns and other positioning. Pixel and percentage (with `lv_pct(x)`) values can be used. Percentage values are relative to the object's width.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### translate_y
Move the object with this value in Y direction. Applied after layouts, aligns and other positioning. Pixel and percentage (with `lv_pct(x)`) values can be used. Percentage values are relative to the object's height.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### transform_scale_x
Zoom an objects horizontally. The value 256 (or `LV_SCALE_NONE`) means normal size, 128 half size, 512 double size, and so on
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### transform_scale_y
Zoom an objects vertically. The value 256 (or `LV_SCALE_NONE`) means normal size, 128 half size, 512 double size, and so on
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### transform_rotation
Rotate an objects. The value is interpreted in 0.1 degree units. E.g. 450 means 45 deg.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### transform_pivot_x
Set the pivot point's X coordinate for transformations. Relative to the object's top left corner'
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### transform_pivot_y
Set the pivot point's Y coordinate for transformations. Relative to the object's top left corner'
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### transform_skew_x
Skew an object horizontally. The value is interpreted in 0.1 degree units. E.g. 450 means 45 deg.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### transform_skew_y
Skew an object vertically. The value is interpreted in 0.1 degree units. E.g. 450 means 45 deg.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
## Padding
Properties to describe spacing between the parent's sides and the children and among the children. Very similar to the padding properties in HTML.
### pad_top
Sets the padding on the top. It makes the content area smaller in this direction.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### pad_bottom
Sets the padding on the bottom. It makes the content area smaller in this direction.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### pad_left
Sets the padding on the left. It makes the content area smaller in this direction.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### pad_right
Sets the padding on the right. It makes the content area smaller in this direction.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### pad_row
Sets the padding between the rows. Used by the layouts.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### pad_column
Sets the padding between the columns. Used by the layouts.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
## Margin
Properties to describe spacing around an object. Very similar to the margin properties in HTML.
### margin_top
Sets the margin on the top. The object will keep this space from its siblings in layouts.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### margin_bottom
Sets the margin on the bottom. The object will keep this space from its siblings in layouts.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### margin_left
Sets the margin on the left. The object will keep this space from its siblings in layouts.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### margin_right
Sets the margin on the right. The object will keep this space from its siblings in layouts.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
## Background
Properties to describe the background color and image of the objects.
### bg_color
Set the background color of the object.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `0xffffff`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_opa
Set the opacity of the background. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_TRANSP`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_grad_color
Set the gradient color of the background. Used only if `grad_dir` is not `LV_GRAD_DIR_NONE`
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `0x000000`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_grad_dir
Set the direction of the gradient of the background. The possible values are `LV_GRAD_DIR_NONE/HOR/VER`.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_GRAD_DIR_NONE`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_main_stop
Set the point from which the background color should start for gradients. 0 means to top/left side, 255 the bottom/right side, 128 the center, and so on
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_grad_stop
Set the point from which the background's gradient color should start. 0 means to top/left side, 255 the bottom/right side, 128 the center, and so on
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 255</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_main_opa
Set the opacity of the first gradient color
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 255</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_grad_opa
Set the opacity of the second gradient color
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 255</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_grad
Set the gradient definition. The pointed instance must exist while the object is alive. NULL to disable. It wraps `BG_GRAD_COLOR`, `BG_GRAD_DIR`, `BG_MAIN_STOP` and `BG_GRAD_STOP` into one descriptor and allows creating gradients with more colors too. If it's set other gradient related properties will be ignored'
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `NULL`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_image_src
Set a background image. Can be a pointer to `lv_image_dsc_t`, a path to a file or an `LV_SYMBOL_...`
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `NULL`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### bg_image_opa
Set the opacity of the background image. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_image_recolor
Set a color to mix to the background image.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `0x000000`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_image_recolor_opa
Set the intensity of background image recoloring. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means no mixing, 255, `LV_OPA_100` or `LV_OPA_COVER` means full recoloring, other values or LV_OPA_10, LV_OPA_20, etc are interpreted proportionally.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_TRANSP`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bg_image_tiled
If enabled the background image will be tiled. The possible values are `true` or `false`.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
## Border
Properties to describe the borders
### border_color
Set the color of the border
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `0x000000`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### border_opa
Set the opacity of the border. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### border_width
Set the width of the border. Only pixel values can be used.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### border_side
Set only which side(s) the border should be drawn. The possible values are `LV_BORDER_SIDE_NONE/TOP/BOTTOM/LEFT/RIGHT/INTERNAL`. OR-ed values can be used as well, e.g. `LV_BORDER_SIDE_TOP | LV_BORDER_SIDE_LEFT`.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_BORDER_SIDE_NONE`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### border_post
Sets whether the border should be drawn before or after the children are drawn. `true`: after children, `false`: before children
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
## Outline
Properties to describe the outline. It's like a border but drawn outside of the rectangles.
### outline_width
Set the width of the outline in pixels.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### outline_color
Set the color of the outline.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `0x000000`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### outline_opa
Set the opacity of the outline. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### outline_pad
Set the padding of the outline, i.e. the gap between object and the outline.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
## Shadow
Properties to describe the shadow drawn under the rectangles.
### shadow_width
Set the width of the shadow in pixels. The value should be >= 0.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### shadow_offset_x
Set an offset on the shadow in pixels in X direction.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### shadow_offset_y
Set an offset on the shadow in pixels in Y direction.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### shadow_spread
Make the shadow calculation to use a larger or smaller rectangle as base. The value can be in pixel to make the area larger/smaller
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### shadow_color
Set the color of the shadow
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `0x000000`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### shadow_opa
Set the opacity of the shadow. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
## Image
Properties to describe the images
### image_opa
Set the opacity of an image. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### image_recolor
Set color to mixt to the image.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `0x000000`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### image_recolor_opa
Set the intensity of the color mixing. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
## Line
Properties to describe line-like objects
### line_width
Set the width of the lines in pixel.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### line_dash_width
Set the width of dashes in pixel. Note that dash works only on horizontal and vertical lines
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### line_dash_gap
Set the gap between dashes in pixel. Note that dash works only on horizontal and vertical lines
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### line_rounded
Make the end points of the lines rounded. `true`: rounded, `false`: perpendicular line ending
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### line_color
Set the color of the lines.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `0x000000`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### line_opa
Set the opacity of the lines.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
## Arc
TODO
### arc_width
Set the width (thickness) of the arcs in pixel.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> Yes</li>
</ul>
### arc_rounded
Make the end points of the arcs rounded. `true`: rounded, `false`: perpendicular line ending
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### arc_color
Set the color of the arc.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `0x000000`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### arc_opa
Set the opacity of the arcs.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### arc_image_src
Set an image from which the arc will be masked out. It's useful to display complex effects on the arcs. Can be a pointer to `lv_image_dsc_t` or a path to a file
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `NULL`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
## Text
Properties to describe the properties of text. All these properties are inherited.
### text_color
Sets the color of the text.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `0x000000`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### text_opa
Set the opacity of the text. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### text_font
Set the font of the text (a pointer `lv_font_t *`).
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_FONT_DEFAULT`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### text_letter_space
Set the letter space in pixels
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### text_line_space
Set the line space in pixels.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### text_decor
Set decoration for the text. The possible values are `LV_TEXT_DECOR_NONE/UNDERLINE/STRIKETHROUGH`. OR-ed values can be used as well.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_TEXT_DECOR_NONE`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### text_align
Set how to align the lines of the text. Note that it doesn't align the object itself, only the lines inside the object. The possible values are `LV_TEXT_ALIGN_LEFT/CENTER/RIGHT/AUTO`. `LV_TEXT_ALIGN_AUTO` detect the text base direction and uses left or right alignment accordingly
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_TEXT_ALIGN_AUTO`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
## Miscellaneous
Mixed properties for various purposes.
### radius
Set the radius on every corner. The value is interpreted in pixel (>= 0) or `LV_RADIUS_CIRCLE` for max. radius
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### clip_corner
Enable to clip the overflowed content on the rounded corner. Can be `true` or `false`.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### opa
Scale down all opacity values of the object by this factor. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### opa_layered
First draw the object on the layer, then scale down layer opacity factor. Value 0, `LV_OPA_0` or `LV_OPA_TRANSP` means fully transparent, 255, `LV_OPA_100` or `LV_OPA_COVER` means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_COVER`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### color_filter_dsc
Mix a color to all colors of the object.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `NULL`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### color_filter_opa
The intensity of mixing of color filter.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_OPA_TRANSP`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### anim
The animation template for the object's animation. Should be a pointer to `lv_anim_t`. The animation parameters are widget specific, e.g. animation time could be the E.g. blink time of the cursor on the text area or scroll time of a roller. See the widgets' documentation to learn more.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `NULL`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### anim_duration
The animation duration in milliseconds. Its meaning is widget specific. E.g. blink time of the cursor on the text area or scroll time of a roller. See the widgets' documentation to learn more.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### transition
An initialized `lv_style_transition_dsc_t` to describe a transition.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `NULL`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### blend_mode
Describes how to blend the colors to the background. The possible values are `LV_BLEND_MODE_NORMAL/ADDITIVE/SUBTRACTIVE/MULTIPLY`
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_BLEND_MODE_NORMAL`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### layout
Set the layout if the object. The children will be repositioned and resized according to the policies set for the layout. For the possible values see the documentation of the layouts.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> 0</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### base_dir
Set the base direction of the object. The possible values are `LV_BIDI_DIR_LTR/RTL/AUTO`.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_BASE_DIR_AUTO`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### bitmap_mask_src
If set a layer will be created for the widget and the layer will be masked with this A8 bitmap mask.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `NULL`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### rotary_sensitivity
Adjust the sensitivity for rotary encoders in 1/256 unit. It means, 128: slow down the rotary to half, 512: speeds up to double, 256: no change
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `256`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
## Flex
Flex layout properties.
### flex_flow
Defines in which direct the flex layout should arrange the children
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_FLEX_FLOW_NONE`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### flex_main_place
Defines how to align the children in the direction of flex flow
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_FLEX_ALIGN_NONE`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### flex_cross_place
Defines how to align the children perpendicular to the direction of flex flow
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_FLEX_ALIGN_NONE`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### flex_track_place
Defines how to align the tracks of the flow
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_FLEX_ALIGN_NONE`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### flex_grow
Defines how mayn space to take proprtionally the free space of the object's trach
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_FLEX_ALIGN_ROW`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
## Grid
Grid layout properties.
### grid_column_dsc_array
An array to describe the columns of the grid. Should be LV_GRID_TEMPLATE_LAST terminated
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `NULL`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### grid_column_align
Defines how to distribute the columns
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_GRID_ALIGN_START`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### grid_row_dsc_array
An array to describe the rows of the grid. Should be LV_GRID_TEMPLATE_LAST terminated
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `NULL`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### grid_row_align
Defines how to distribute the rows.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_GRID_ALIGN_START`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### grid_cell_column_pos
Set the column in which the object should be placed
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_GRID_ALIGN_START`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### grid_cell_x_align
Set how to align the object horizontally.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_GRID_ALIGN_START`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### grid_cell_column_span
Set how many columns the object should span. Needs to be >= 1
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_GRID_ALIGN_START`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### grid_cell_row_pos
Set the row in which the object should be placed
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_GRID_ALIGN_START`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### grid_cell_y_align
Set how to align the object vertically.
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_GRID_ALIGN_START`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
### grid_cell_row_span
Set how many rows the object should span. Needs to be >= 1
<ul>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Default</strong> `LV_GRID_ALIGN_START`</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Inherited</strong> No</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Layout</strong> Yes</li>
<li style='display:inline; margin-right: 20px; margin-left: 0px'><strong>Ext. draw</strong> No</li>
</ul>
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