fortplot_tt_edge_sort Module

TrueType edge sorting utilities. Sorts glyph outline edges by y0 for scanline rasterization.

Derived Types

type, public ::  tt_edge_t

Components

Type	Visibility	Attributes		Name		Initial
real(kind=dp),	public		::	x0
real(kind=dp),	public		::	y0
real(kind=dp),	public		::	x1
real(kind=dp),	public		::	y1
logical,	public		::	invert

Subroutines

public subroutine sort_edges(edges, n)

Sort edges by y0 ascending. Quicksort + insertion sort.

Arguments

Type	Intent	Optional	Attributes		Name
type(tt_edge_t),	intent(inout)			::	edges(:)
integer,	intent(in)			::	n

public recursive subroutine sort_edges_quicksort(p, n)

Arguments

Type	Intent	Optional	Attributes		Name
type(tt_edge_t),	intent(inout)			::	p(:)
integer,	intent(in)			::	n

public subroutine sort_edges_ins_sort(p, n)

Arguments

Type	Intent	Optional	Attributes		Name
type(tt_edge_t),	intent(inout)			::	p(:)
integer,	intent(in)			::	n