Flyology_TUI.Layouts.Layers

Description

Compose

function Compose
  (Width, Height : Natural;
   Items         : Layer_Array) return Flyology_TUI.Surfaces.Surface

Items are painted in array order; the last item is topmost.

Parameters

Width

Height

Items

Return value

Hit_Result

type Hit_Result (Found : Boolean := False) is record
   case Found is
      when True =>
         Index : Positive;
         Local : Flyology_TUI.Geometry.Point;
      when False =>
         null;
   end case;
end record;

Record fields

Found

Index

Local

Layer

type Layer is record
   Content            : Flyology_TUI.Surfaces.Surface;
   X                  : Integer := 0;
   Y                  : Integer := 0;
   Transparent_Spaces : Boolean := False;
end record;

Record fields

Content

X

Y

Transparent_Spaces

Layer_Array

type Layer_Array is array (Positive range <>) of Layer;

Topmost_At

function Topmost_At
  (Items : Layer_Array;
   Point : Flyology_TUI.Geometry.Point) return Hit_Result

Return the topmost painted cell at Point. A transparent space does not intercept input, while a wide glyph's continuation cell does.

Parameters

Items

Point

Return value