mirror of
https://github.com/Relintai/pandemonium_engine_minimal.git
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94 lines
3.6 KiB
XML
94 lines
3.6 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="BitMap" inherits="Resource" version="4.2">
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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="convert_to_image" qualifiers="const">
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<return type="Image" />
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<description>
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Returns an image of the same size as the bitmap and with a [enum Image.Format] of type [code]FORMAT_L8[/code]. [code]true[/code] bits of the bitmap are being converted into white pixels, and [code]false[/code] bits into black.
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</description>
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</method>
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<method name="create">
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<return type="void" />
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<argument index="0" name="size" type="Vector2" />
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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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<argument index="0" name="image" type="Image" />
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<argument index="1" name="threshold" type="float" default="0.1" />
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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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<argument index="0" name="position" type="Vector2" />
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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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<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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<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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<argument index="0" name="pixels" type="int" />
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<argument index="1" name="rect" type="Rect2" />
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<description>
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Applies morphological dilation or erosion to the bitmap. If [code]pixels[/code] is positive, dilation is applied to the bitmap. If [code]pixels[/code] is negative, erosion is applied to the bitmap. [code]rect[/code] defines the area where the morphological operation is applied. Pixels located outside the [code]rect[/code] are unaffected by [method grow_mask].
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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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<argument index="0" name="rect" type="Rect2" />
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<argument index="1" name="epsilon" type="float" default="2.0" />
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<description>
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</description>
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</method>
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<method name="resize">
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<return type="void" />
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<argument index="0" name="new_size" type="Vector2" />
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<description>
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Resizes the image to [code]new_size[/code].
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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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<argument index="0" name="position" type="Vector2" />
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<argument index="1" name="bit" type="bool" />
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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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<argument index="0" name="rect" type="Rect2" />
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<argument index="1" name="bit" type="bool" />
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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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