<?xml version="1.0" encoding="UTF-8" ?> <class name="BitMap" inherits="Resource" version="4.0"> <brief_description> Boolean matrix. </brief_description> <description> 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. </description> <tutorials> </tutorials> <methods> <method name="create"> <return type="void"> </return> <argument index="0" name="size" type="Vector2"> </argument> <description> Creates a bitmap with the specified size, filled with [code]false[/code]. </description> </method> <method name="create_from_image_alpha"> <return type="void"> </return> <argument index="0" name="image" type="Image"> </argument> <argument index="1" name="threshold" type="float" default="0.1"> </argument> <description> 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. </description> </method> <method name="get_bit" qualifiers="const"> <return type="bool"> </return> <argument index="0" name="position" type="Vector2"> </argument> <description> Returns bitmap's value at the specified position. </description> </method> <method name="get_size" qualifiers="const"> <return type="Vector2"> </return> <description> Returns bitmap's dimensions. </description> </method> <method name="get_true_bit_count" qualifiers="const"> <return type="int"> </return> <description> Returns the amount of bitmap elements that are set to [code]true[/code]. </description> </method> <method name="grow_mask"> <return type="void"> </return> <argument index="0" name="pixels" type="int"> </argument> <argument index="1" name="rect" type="Rect2"> </argument> <description> </description> </method> <method name="opaque_to_polygons" qualifiers="const"> <return type="Array"> </return> <argument index="0" name="rect" type="Rect2"> </argument> <argument index="1" name="epsilon" type="float" default="2.0"> </argument> <description> </description> </method> <method name="set_bit"> <return type="void"> </return> <argument index="0" name="position" type="Vector2"> </argument> <argument index="1" name="bit" type="bool"> </argument> <description> Sets the bitmap's element at the specified position, to the specified value. </description> </method> <method name="set_bit_rect"> <return type="void"> </return> <argument index="0" name="rect" type="Rect2"> </argument> <argument index="1" name="bit" type="bool"> </argument> <description> Sets a rectangular portion of the bitmap to the specified value. </description> </method> </methods> <constants> </constants> </class>