diff options
Diffstat (limited to 'doc/classes/BitMap.xml')
-rw-r--r-- | doc/classes/BitMap.xml | 69 |
1 files changed, 27 insertions, 42 deletions
diff --git a/doc/classes/BitMap.xml b/doc/classes/BitMap.xml index 27ead07e6f..9a349c957f 100644 --- a/doc/classes/BitMap.xml +++ b/doc/classes/BitMap.xml @@ -10,87 +10,72 @@ </tutorials> <methods> <method name="create"> - <return type="void"> - </return> - <argument index="0" name="size" type="Vector2"> - </argument> + <return type="void" /> + <argument index="0" name="size" type="Vector2" /> <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> + <return type="void" /> + <argument index="0" name="image" type="Image" /> + <argument index="1" name="threshold" type="float" default="0.1" /> <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> + <return type="bool" /> + <argument index="0" name="position" type="Vector2" /> <description> Returns bitmap's value at the specified position. </description> </method> <method name="get_size" qualifiers="const"> - <return type="Vector2"> - </return> + <return type="Vector2" /> <description> Returns bitmap's dimensions. </description> </method> <method name="get_true_bit_count" qualifiers="const"> - <return type="int"> - </return> + <return type="int" /> <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> + <return type="void" /> + <argument index="0" name="pixels" type="int" /> + <argument index="1" name="rect" type="Rect2" /> <description> Applies morphological dilation to the bitmap. The first argument is the dilation amount, Rect2 is the area where the dilation will be applied. </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> + <return type="Array" /> + <argument index="0" name="rect" type="Rect2" /> + <argument index="1" name="epsilon" type="float" default="2.0" /> <description> + Creates an [Array] of polygons covering a rectangular portion of the bitmap. It uses a marching squares algorithm, followed by Ramer-Douglas-Peucker (RDP) reduction of the number of vertices. Each polygon is described as a [PackedVector2Array] of its vertices. + To get polygons covering the whole bitmap, pass: + [codeblock] + Rect2(Vector2(), get_size()) + [/codeblock] + [code]epsilon[/code] is passed to RDP to control how accurately the polygons cover the bitmap: a lower [code]epsilon[/code] corresponds to more points in the polygons. </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> + <return type="void" /> + <argument index="0" name="position" type="Vector2" /> + <argument index="1" name="bit" type="bool" /> <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> + <return type="void" /> + <argument index="0" name="rect" type="Rect2" /> + <argument index="1" name="bit" type="bool" /> <description> Sets a rectangular portion of the bitmap to the specified value. </description> |