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+/*
+ * 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>
+ */
+
+#include "cairo-test.h"
+
+#define LINE_WIDTH 12.
+#define SIZE (5 * LINE_WIDTH)
+#define PAD (2 * LINE_WIDTH)
+
+static void
+make_path (cairo_t *cr)
+{
+ const struct {
+ double x, y;
+ } scales[] = {
+ { 1, 1 },
+ { -1, 1 },
+ { 1, -1 },
+ { -1, -1 },
+ };
+ unsigned int i, j;
+
+ for (j = 0; j < ARRAY_LENGTH (scales); j++) {
+ cairo_save (cr);
+ /* include reflections to flip the orientation of the join */
+ cairo_scale (cr, scales[j].x, scales[j].y);
+ for (i = 0; i < 3; i++) {
+ cairo_new_sub_path (cr);
+ cairo_move_to (cr, 0, -9*LINE_WIDTH/4 - 2);
+ cairo_line_to (cr, 0, -2*LINE_WIDTH - 2);
+ cairo_line_to (cr, LINE_WIDTH/4, -2*LINE_WIDTH - 2);
+ cairo_rotate (cr, M_PI / 4.);
+ }
+ cairo_restore (cr);
+ }
+}
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+ cairo_line_join_t join;
+
+ cairo_save (cr);
+ cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
+ cairo_paint (cr);
+ cairo_restore (cr);
+
+ cairo_set_line_width (cr, LINE_WIDTH);
+ cairo_translate (cr, PAD + SIZE / 2., PAD + SIZE / 2.);
+
+ for (join = CAIRO_LINE_JOIN_MITER; join <= CAIRO_LINE_JOIN_BEVEL; join++) {
+ cairo_save (cr);
+
+ cairo_set_line_join (cr, join);
+
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
+ make_path (cr);
+ cairo_stroke (cr);
+
+ cairo_translate (cr, 0, SIZE + PAD);
+
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
+ make_path (cr);
+ cairo_stroke (cr);
+
+ cairo_translate (cr, 0, SIZE + PAD);
+
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
+ make_path (cr);
+ cairo_stroke (cr);
+
+ cairo_restore (cr);
+
+ cairo_translate (cr, SIZE + PAD, 0);
+ }
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (joins,
+ "Test joins",
+ "stroke, joins", /* keywords */
+ NULL, /* requirements */
+ 3 * (PAD + SIZE) + PAD,
+ 3 * (PAD + SIZE) + PAD,
+ NULL, draw)
+