cairodriver/Draw_line.c

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#include "cairodriver.h"

void Cairo_draw_line(int x1, int y1, int x2, int y2)
{
    G_debug(3, "Cairo_draw_line: %d %d %d %d", x1, y1, x2, y2);

    if (x1 == x2 && y1 == y2) {
        /* don't draw degenerate lines */
        G_debug(3, "Skipping zero-length line");
        return;
    }

    cairo_move_to(cairo, x1, y1);
    cairo_line_to(cairo, x2, y2);
    cairo_stroke(cairo);
    modified = 1;
}