Module line_aa_basics 

Anti-aliased line rendering basics.

Port of agg_line_aa_basics.h + agg_line_aa_basics.cpp. Constants, coordinate converters, LineParameters struct, and bisectrix.

Structs

LineParameters

Parameters describing a line segment for AA rendering.

Constants

LINE_MAX_COORD

LINE_MAX_LENGTH

LINE_MR_SUBPIXEL_MASK

LINE_MR_SUBPIXEL_SCALE

LINE_MR_SUBPIXEL_SHIFT

LINE_SUBPIXEL_MASK

LINE_SUBPIXEL_SCALE

LINE_SUBPIXEL_SHIFT

Functions

bisectrix

Calculate the angle bisector at the junction between two consecutive lines.

clip_line_segment

Integer line segment clipping (Liang-Barsky).

fix_degenerate_bisectrix_end

Fix degenerate bisectrix at line end.

fix_degenerate_bisectrix_start

Fix degenerate bisectrix at line start.

line_coord

Convert f64 to subpixel integer coordinate.

line_coord_sat

Convert f64 to subpixel integer coordinate with saturation.

line_dbl_hr

Integer to double-high resolution.

line_hr

Medium-to-high resolution.

line_mr

High-to-medium resolution.