From 0373255087377122eeb10e006ffb8aa1b57e611c Mon Sep 17 00:00:00 2001 From: rgl Date: Mon, 3 Feb 2020 22:42:28 +0100 Subject: after a year or so of work, i dare create a proper repo. --- libgraphics/triangle.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 libgraphics/triangle.c (limited to 'libgraphics/triangle.c') diff --git a/libgraphics/triangle.c b/libgraphics/triangle.c new file mode 100644 index 0000000..b598855 --- /dev/null +++ b/libgraphics/triangle.c @@ -0,0 +1,43 @@ +#include +#include +#include +#include "../geometry.h" +#include "../graphics.h" + +Triangle +Trian(int x0, int y0, int x1, int y1, int x2, int y2) +{ + return (Triangle){Pt(x0, y0), Pt(x1, y1), Pt(x2, y2)}; +} + +Triangle +Trianpt(Point p0, Point p1, Point p2) +{ + return (Triangle){p0, p1, p2}; +} + +void +triangle(Image *dst, Triangle t, int thick, Image *src, Point sp) +{ + Point pl[4]; + + pl[0] = t.p0; + pl[1] = t.p1; + pl[2] = t.p2; + pl[3] = pl[0]; + + poly(dst, pl, nelem(pl), 0, 0, thick, src, sp); +} + +void +filltriangle(Image *dst, Triangle t, Image *src, Point sp) +{ + Point pl[4]; + + pl[0] = t.p0; + pl[1] = t.p1; + pl[2] = t.p2; + pl[3] = pl[0]; + + fillpoly(dst, pl, nelem(pl), 0, src, sp); +} -- cgit v1.2.3