207 lines
5.7 KiB
Markdown
207 lines
5.7 KiB
Markdown
# Image : VisualElement
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This is the Image element class which can be used to display bimg formatted images.
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Bimg is a universal ComputerCraft image format.
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See: https://github.com/SkyTheCodeMaster/bimg
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## Properties
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|Property|Type|Default|Description|
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|bimg|table|{}|The bimg image data
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|currentFrame|number|1|Current animation frame
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|autoResize|boolean|false|Whether to automatically resize the image when content exceeds bounds
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|offsetX|number|0|Horizontal offset for viewing larger images
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|offsetY|number|0|Vertical offset for viewing larger images
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## Combined Properties
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|Name|Properties|Description|
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|---|---|---|
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|offset|`offsetX offsetY`|Combined property for offsetX and offsetY|
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## Functions
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|Method|Returns|Description|
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|[Image:addFrame](#image-addframe)|Image|Adds a new frame to the image
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|[Image:getBg](#image-getbg)|string|Gets the background color at the specified position
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|[Image:getFg](#image-getfg)|string|Gets the foreground color at the specified position
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|[Image:getFrame](#image-getframe)|table|Gets the specified frame
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|[Image:getImageSize](#image-getimagesize)|number|Gets the size of the image
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|[Image:getMetadata](#image-getmetadata)|table|Gets the metadata of the image
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|[Image:getPixelData](#image-getpixeldata)|number?|Gets pixel information at position
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|[Image:getText](#image-gettext)|string|Gets the text at the specified position
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|[Image:nextFrame](#image-nextframe)|Image|Advances to the next frame in the animation
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|[Image:resizeImage](#image-resizeimage)|Image|Resizes the image to the specified width and height
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|[Image:setBg](#image-setbg)|Image|Sets the background color at the specified position
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|[Image:setFg](#image-setfg)|Image|Sets the foreground color at the specified position
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|[Image:setMetadata](#image-setmetadata)|Image|Sets the metadata of the image
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|[Image:setPixel](#image-setpixel)|Image|Sets the pixel at the specified position
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|[Image:setText](#image-settext)|Image|Sets the text at the specified position
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|[Image:updateFrame](#image-updateframe)|Image|Updates the specified frame with the provided data
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## Protected Functions
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|Method|Returns|Description|
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|---|---|---|
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|Image:init|Image|Initializes the Image instance
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|Image:render|-|Renders the Image
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## Image:addFrame()
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Adds a new frame to the image
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### Returns
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* `Image` `self` The Image instance
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## Image:getBg(x, y, length)
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Gets the background color at the specified position
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### Parameters
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* `x` `number` The x position
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* `y` `number` The y position
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* `length` `number` The length of the background color pattern to get
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### Returns
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* `string` `bg` The background color pattern
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## Image:getFg(x, y, length)
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Gets the foreground color at the specified position
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### Parameters
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* `x` `number` The x position
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* `y` `number` The y position
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* `length` `number` The length of the foreground color pattern to get
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### Returns
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* `string` `fg` The foreground color pattern
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## Image:getFrame(frameIndex)
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Gets the specified frame
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### Parameters
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* `frameIndex` `number` The index of the frame to get
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### Returns
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* `table` `frame` The frame data
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## Image:getImageSize()
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Gets the size of the image
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### Returns
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* `number` `width` The width of the image
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* `number` `height` The height of the image
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## Image:getMetadata()
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Gets the metadata of the image
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### Returns
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* `table` `metadata` The metadata of the image
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## Image:getPixelData(x, y)
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Gets pixel information at position
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### Parameters
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* `x` `number` X position
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* `y` `number` Y position
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### Returns
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* `number?` `fg` Foreground color
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* `number?` `bg` Background color
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* `string?` `char` Character at position
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## Image:getText(x, y, length)
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Gets the text at the specified position
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### Parameters
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* `x` `number` The x position
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* `y` `number` The y position
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* `length` `number` The length of the text to get
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### Returns
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* `string` `text` The text at the specified position
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## Image:nextFrame()
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Advances to the next frame in the animation
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### Returns
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* `Image` `self` The Image instance
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## Image:resizeImage(width, height)
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Resizes the image to the specified width and height
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### Parameters
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* `width` `number` The new width of the image
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* `height` `number` The new height of the image
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### Returns
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* `Image` `self` The Image instance
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## Image:setBg(x, y, pattern)
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Sets the background color at the specified position
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### Parameters
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* `x` `number` The x position
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* `y` `number` The y position
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* `pattern` `string` The background color pattern
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### Returns
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* `Image` `self` The Image instance
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## Image:setFg(x, y, pattern)
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Sets the foreground color at the specified position
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### Parameters
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* `x` `number` The x position
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* `y` `number` The y position
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* `pattern` `string` The foreground color pattern
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### Returns
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* `Image` `self` The Image instance
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## Image:setMetadata(key, value)
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Sets the metadata of the image
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### Parameters
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* `key` `string` The key of the metadata to set
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* `value` `string` The value of the metadata to set
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### Returns
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* `Image` `self` The Image instance
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## Image:setPixel(x, y, char, fg, bg)
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Sets the pixel at the specified position
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### Parameters
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* `x` `number` The x position
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* `y` `number` The y position
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* `char` `string` The character to set
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* `fg` `string` The foreground color pattern
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* `bg` `string` The background color pattern
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### Returns
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* `Image` `self` The Image instance
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## Image:setText(x, y, text)
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Sets the text at the specified position
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### Parameters
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* `x` `number` The x position
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* `y` `number` The y position
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* `text` `string` The text to set
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### Returns
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* `Image` `self` The Image instance
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## Image:updateFrame(frameIndex, frame)
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Updates the specified frame with the provided data
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### Parameters
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* `frameIndex` `number` The index of the frame to update
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* `frame` `table` The new frame data
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### Returns
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* `Image` `self` The Image instance
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