/* * Copyright © 2007 Jeff Smith * * Permission to use, copy, modify, distribute, and sell this software * and its documentation for any purpose is hereby granted without * fee, provided that the above copyright notice appear in all copies * and that both that copyright notice and this permission notice * appear in supporting documentation, and that the name of * Jeff Smith not be used in advertising or publicity pertaining to * distribution of the software without specific, written prior * permission. Jeff Smith makes no representations about the * suitability of this software for any purpose. It is provided "as * is" without express or implied warranty. * * JEFF SMITH DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS, IN NO EVENT SHALL JEFF SMITH BE LIABLE FOR ANY SPECIAL, * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * Author: Jeff Smith <whydoubt@yahoo.com> */ #include "cairo-test.h" static cairo_test_status_t draw (cairo_t *cr, int width, int height) { double dashes[2] = {20, 20}; int a=0, b=0, c=0; cairo_set_source_rgb (cr, 0, 0, 0); cairo_paint (cr); for (a=0; a<4; a++) for (b=0; b<5; b++) for (c=0; c<5; c++) { cairo_move_to (cr, ((b*5)+c)*60+10, a*60+10); cairo_rel_curve_to (cr, 0, b*10, 0, b*10, c*10, b*10); cairo_set_source_rgb (cr, 1, 1, 1); cairo_set_line_width (cr, 8); cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); cairo_set_dash (cr, dashes, 2, a*10); cairo_stroke_preserve (cr); cairo_set_source_rgb (cr, 0, 0.5, 1); cairo_set_line_width (cr, 2); cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); cairo_set_dash (cr, 0, 0, 0); cairo_stroke (cr); } return CAIRO_TEST_SUCCESS; } CAIRO_TEST (dash_curve, "Tries to explore the state space of the dashing code along curves", "dash, stroke", /* keywords */ NULL, /* requirements */ 25*60, 4*60, NULL, draw)