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			100 lines
		
	
	
	
		
			3 KiB
		
	
	
	
		
			XML
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
	
		
			3 KiB
		
	
	
	
		
			XML
		
	
	
	
	
	
| <?xml version="1.0" encoding="UTF-8" ?>
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| <class name="BitMap" inherits="Resource" category="Core" version="3.2">
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| 	<brief_description>
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| 		Boolean matrix.
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| 	</brief_description>
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| 	<description>
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| 		A two-dimensional array of boolean values, can be used to efficiently store a binary matrix (every matrix element takes only one bit) and query the values using natural cartesian coordinates.
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| 	</description>
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| 	<tutorials>
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| 	</tutorials>
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| 	<methods>
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| 		<method name="create">
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| 			<return type="void">
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| 			</return>
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| 			<argument index="0" name="size" type="Vector2">
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| 			</argument>
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| 			<description>
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| 				Creates a bitmap with the specified size, filled with [code]false[/code].
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| 			</description>
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| 		</method>
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| 		<method name="create_from_image_alpha">
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| 			<return type="void">
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| 			</return>
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| 			<argument index="0" name="image" type="Image">
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| 			</argument>
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| 			<argument index="1" name="threshold" type="float" default="0.1">
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| 			</argument>
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| 			<description>
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| 				Creates a bitmap that matches the given image dimensions, every element of the bitmap is set to [code]false[/code] if the alpha value of the image at that position is equal to [code]threshold[/code] or less, and [code]true[/code] in other case.
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| 			</description>
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| 		</method>
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| 		<method name="get_bit" qualifiers="const">
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| 			<return type="bool">
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| 			</return>
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| 			<argument index="0" name="position" type="Vector2">
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| 			</argument>
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| 			<description>
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| 				Returns bitmap's value at the specified position.
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| 			</description>
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| 		</method>
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| 		<method name="get_size" qualifiers="const">
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| 			<return type="Vector2">
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| 			</return>
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| 			<description>
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| 				Returns bitmap's dimensions.
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| 			</description>
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| 		</method>
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| 		<method name="get_true_bit_count" qualifiers="const">
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| 			<return type="int">
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| 			</return>
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| 			<description>
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| 				Returns the amount of bitmap elements that are set to [code]true[/code].
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| 			</description>
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| 		</method>
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| 		<method name="grow_mask">
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| 			<return type="void">
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| 			</return>
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| 			<argument index="0" name="pixels" type="int">
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| 			</argument>
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| 			<argument index="1" name="rect" type="Rect2">
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| 			</argument>
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| 			<description>
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| 			</description>
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| 		</method>
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| 		<method name="opaque_to_polygons" qualifiers="const">
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| 			<return type="Array">
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| 			</return>
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| 			<argument index="0" name="rect" type="Rect2">
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| 			</argument>
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| 			<argument index="1" name="epsilon" type="float" default="2.0">
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| 			</argument>
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| 			<description>
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| 			</description>
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| 		</method>
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| 		<method name="set_bit">
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| 			<return type="void">
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| 			</return>
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| 			<argument index="0" name="position" type="Vector2">
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| 			</argument>
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| 			<argument index="1" name="bit" type="bool">
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| 			</argument>
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| 			<description>
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| 				Sets the bitmap's element at the specified position, to the specified value.
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| 			</description>
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| 		</method>
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| 		<method name="set_bit_rect">
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| 			<return type="void">
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| 			</return>
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| 			<argument index="0" name="rect" type="Rect2">
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| 			</argument>
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| 			<argument index="1" name="bit" type="bool">
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| 			</argument>
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| 			<description>
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| 				Sets a rectangular portion of the bitmap to the specified value.
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| 			</description>
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| 		</method>
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| 	</methods>
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| 	<constants>
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| 	</constants>
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| </class>
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