/* * Copyright © 2008 Chris Wilson * * 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 * Chris Wilson not be used in advertising or publicity pertaining to * distribution of the software without specific, written prior * permission. Chris Wilson makes no representations about the * suitability of this software for any purpose. It is provided "as * is" without express or implied warranty. * * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS, IN NO EVENT SHALL CHRIS WILSON 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: Chris Wilson <chris@chris-wilson.co.uk> * * Based on an original test case by M Joonas Pihlaja. */ #include "cairo-test.h" #ifndef ARRAY_LENGTH #define ARRAY_LENGTH(A) (int) (sizeof (A) / sizeof ((A)[0])) #endif #define PAD 5 static cairo_test_status_t draw (cairo_t *cr, int width, int height) { const double dashes[] = { 25, 25 }; cairo_line_join_t joins[] = { CAIRO_LINE_JOIN_ROUND, CAIRO_LINE_JOIN_MITER, CAIRO_LINE_JOIN_BEVEL }; cairo_line_cap_t caps[] = { CAIRO_LINE_CAP_ROUND, CAIRO_LINE_CAP_SQUARE, CAIRO_LINE_CAP_BUTT, }; int i, j; cairo_set_source_rgb (cr, 1,1,1); cairo_paint (cr); cairo_set_source_rgb (cr, 1, 0, 0); cairo_set_dash (cr, dashes, 2, 0.); cairo_set_line_width (cr, 10); cairo_translate (cr, 5 + PAD, 5 + PAD); for (i = 0; i < ARRAY_LENGTH (joins); i++) { cairo_set_line_join (cr, joins[i]); cairo_save (cr); for (j = 0; j < ARRAY_LENGTH (caps); j++) { cairo_set_line_cap (cr, caps[j]); cairo_move_to (cr, 0, 0); cairo_line_to (cr, 50, 0); cairo_line_to (cr, 50,50); cairo_stroke (cr); cairo_translate (cr, 75, 0); } cairo_restore (cr); cairo_translate (cr, 0, 75); } return CAIRO_TEST_SUCCESS; } CAIRO_TEST (degenerate_dash, "Tests the behaviour of dashed segments that end on a off-on transition", "dash, degenerate", /* keywords */ NULL, /* requirementts */ 210 + 2*PAD, 210 + 2*PAD, NULL, draw)