392 lines
8.6 KiB
Markdown
392 lines
8.6 KiB
Markdown
# widget
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The `widget` table contains functions to manipulate and get data about widgets in a scriptpane.
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The widgetName passed into most of these functions can contain period separators for getting children.
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Example:
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```
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widget.getPosition("itemScrollArea.itemList.1.name")
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```
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## General callbacks
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These callbacks are available for all widgets.
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---
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#### `void` widget.playSound(`String` audio, [`int` loops = 0], [`float` volume = 1.0f])
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Plays a sound.
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---
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#### `Vec2I` widget.getPosition(`String` widgetName)
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Returns the position of a widget.
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---
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#### `void` widget.setPosition(`String` widgetName, `Vec2I` position)
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Sets the position of a widget.
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---
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#### `Vec2I` widget.getSize(`String` widgetName)
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Returns the size of a widget.
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---
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#### `void` widget.setSize(`String` widgetName, `Vec2I` size)
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Sets the size of a widget.
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---
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#### `void` widget.setVisible(`String` widgetName, `bool` visible)
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Sets the visibility of a widget.
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---
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#### `void` widget.active(`String` widgetName)
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Returns whether the widget is visible.
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---
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#### `void` widget.focus(`String` widgetName)
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Sets focus on the specified widget.
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---
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#### `void` widget.hasFocus(`String` widgetName)
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Returns whether the specified widget is currently focused.
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---
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#### `void` widget.blur(`String` widgetName)
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Unsets focus on the specified focused widget.
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---
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#### `Json` widget.getData(`String` widgetName)
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Returns the arbitrary data value set for the widget.
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---
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#### `void` widget.setData(`String` widgetName, `Json` data)
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Sets arbitrary data for the widget.
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---
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#### `String` widget.getChildAt(`Vec2I` screenPosition)
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Returns the full name for any widget at screenPosition.
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---
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#### `bool` widget.inMember(`String` widgetName, `Vec2I` screenPosition)
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Returns whether the widget contains the specified screenPosition.
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---
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#### `void` widget.addChild(`String` widgetName, `Json` childConfig, [`String` childName])
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Creates a new child widget with the specified config and adds it to the specified widget, optionally with the specified name.
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---
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#### `void` widget.removeAllChildren(`String` widgetName)
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Removes all child widgets of the specified widget.
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---
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#### `void` widget.removeChild(`String` widgetName, `String` childName)
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Removes the specified child widget from the specified widget.
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---
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## Widget specific callbacks
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These callbacks only work for some widget types.
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---
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#### `String` widget.getText(`String` widgetName)
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Returns the text set in a TextBoxWidget.
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---
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#### `void` widget.setText(`String` widgetName, `String` text)
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Sets the text of: LabelWidget, ButtonWidget, TextBoxWidget
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---
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#### `void` widget.setFontColor(`String` widgetName, `Color` color)
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Sets the font color of: LabelWidget, ButtonWidget, TextBoxWidget
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---
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#### `void` widget.setImage(`String` widgetName, `String` imagePath)
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Sets the image of an ImageWidget.
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---
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#### `void` widget.setImageScale(`String` widgetName, `float` imageScale)
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Sets the scale of an ImageWidget.
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---
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#### `void` widget.setImageRotation(`String` widgetName, `float` imageRotation)
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Sets the rotation of an ImageWidget.
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---
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#### `void` widget.setButtonEnabled(`String` widgetName, `bool` enabled)
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Sets whether the ButtonWidget should be enabled.
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---
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#### `void` widget.setButtonImage(`String` widgetName, `String` baseImage)
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Sets the baseImage of a ButtonWidget.
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---
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#### `void` widget.setButtonImages(`String` widgetName, `Json` imageSet)
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Sets the full image set of a ButtonWidget.
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```
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{
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base = "image.png",
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hover = "image.png",
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pressed = "image.png",
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disabled = "image.png",
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}
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```
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---
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#### `void` widget.setButtonCheckedImages(`String` widgetName, `Json` imageSet)
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Similar to widget.setButtonImages, but sets the images used for the checked state of a checkable ButtonWidget.
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---
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#### `void` widget.setButtonOverlayImage(`String` widgetName, `String` overlayImage)
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Sets the overlay image of a ButtonWidget.
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---
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#### `bool` widget.getChecked(`String` widgetName)
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Returns whether the ButtonWidget is checked.
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---
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#### `void` widget.setChecked(`String` widgetName, `bool` checked)
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Sets whether a ButtonWidget is checked
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---
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#### `int` widget.getSelectedOption(`String` widgetName)
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Returns the index of the selected option in a ButtonGroupWidget.
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---
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#### `int` widget.getSelectedData(`String` widgetName)
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Returns the data of the selected option in a ButtonGroupWidget. Nil if no option is selected.
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---
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#### `void` widget.setSelectedOption(`String` widgetName, `int` index)
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Sets the selected option index of a ButtonGroupWidget.
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#### `void` widget.setOptionEnabled(`String` widgetName, `int` index, `bool` enabled)
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Sets whether a ButtonGroupWidget option should be enabled.
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#### `void` widget.setOptionVisible(`String` widgetName, `int` index, `bool`, visible)
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Sets whether a ButtonGroupWidget option should be visible.
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---
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#### `void` widget.setProgress(`String` widgetName, `float` value)
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Sets the progress of a ProgressWidget. Value should be between 0.0 and 1.0.
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#### `void` widget.setSliderEnabled(`String` widgetName, `bool` enabled)
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Sets whether the SliderBarWidget should be enabled.
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---
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#### `float` widget.getSliderValue(`String` widgetName)
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Gets the current value of a SliderBarWidget.
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#### `void` widget.setSliderValue(`String` widgetName, `int` newValue)
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Sets the current value of a SliderBarWidget.
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#### `void` widget.getSliderRange(`String` widgetName, `int` newMin, `int` newMax, [`int` newDelta])
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Sets the minimum, maximum and (optionally) delta values of a SliderBarWidget.
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---
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#### `void` widget.clearListItems(`String` widgetName)
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Clears all items in a ListWidget.
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#### `String` widget.addListItem(`String` widgetName)
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Adds a list item to a ListWidget using the configured template, and returns the name of the added list item.
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#### `void` widget.removeListItem(`String` widgetName, `size_t` at)
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Removes a list item from a ListWidget at a specific index.
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#### `String` widget.getListSelected(`String` widgetName)
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Returns the name of the currently selected widget in a ListWidget.
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#### `void` widget.setListSelected(`String` widgetName, `String` selected)
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Sets the selected widget of a ListWidget.
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#### `void` widget.registerMemberCallback(`String` widgetName, `String` callbackName, `LuaFunction` callback)
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Registers a member callback for a ListWidget's list items to use.
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---
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#### `ItemBag` widget.itemGridItems(`String` widgetName)
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Returns the full item bag contents of an ItemGridWidget.
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---
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#### `ItemDescriptor` widget.itemSlotItem(`String` widgetName)
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Returns the descriptor of the item in the specified item slot widget.
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#### `void` widget.setItemSlotItem(`String` widgetName, `Json` itemDescriptor)
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Sets the item in the specified item slot widget.
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#### `void` widget.setItemSlotProgress(`String` widgetName, `float` progress)
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Sets the progress overlay on the item slot to the specified value (between 0 and 1).
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---
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#### `CanvasWidget` widget.bindCanvas(`String` widgetName)
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Binds the canvas widget with the specified name as userdata for easy access. The `CanvasWidget` has the following methods:
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##### `Vec2I` size()
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Returns the size of the canvas.
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##### `void` clear()
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Clears the canvas.
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##### `Vec2I` mousePosition()
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Returns the mouse position relative to the canvas.
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##### `void` drawImage(`String` image, `Vec2F` position, [`float` scale], [`Color` color], [`bool` centered])
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Draws an image to the canvas.
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##### `void` drawImageDrawable(`String` image, `Vec2F` position, [`Variant<Vec2F, float>` scale], [`Color` color], [`float` rotation])
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Draws an image to the canvas, centered on position, with slightly different options.
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##### `void` drawImageRect(`String` texName, `RectF` texCoords, `RectF` screenCoords, [`Color` color])
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Draws a rect section of a texture to a rect section of the canvas.
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##### `void` drawTiledImage(`String` image, `Vec2F` offset, `RectF` screenCoords, [`float` scale], [`Color` color])
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Draws an image tiled (and wrapping) within the specified screen area.
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##### `void` drawLine(`Vec2F` start, `Vec2F` end, [`Color` color], [`float` lineWidth])
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Draws a line on the canvas.
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##### `void` drawRect(`RectF` rect, `Color` color)
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Draws a filled rectangle on the canvas.
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##### `void` drawPoly(`PolyF` poly, `Color` color, [`float` lineWidth])
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Draws a polygon on the canvas.
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##### `void` drawTriangles(`List<PolyF>` triangles, [`Color` color])
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Draws a list of filled triangles to the canvas.
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##### `void` drawText(`String` text, `Json` textPositioning, `unsigned` fontSize, [`Color` color])
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Draws text on the canvas. textPositioning is in the format:
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```lua
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{
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position = {0, 0}
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horizontalAnchor = "left", -- left, mid, right
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verticalAnchor = "top", -- top, mid, bottom
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wrapWidth = nil -- wrap width in pixels or nil
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}
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```
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