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78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*
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* Copyright © 2006 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Red Hat, Inc. not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Red Hat, Inc. makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Carl D. Worth <cworth@cworth.org>
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*/
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#include "cairo-test.h"
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#include <stdlib.h>
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static cairo_test_draw_function_t draw;
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static cairo_test_status_t
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draw (cairo_t *cr, int width, int height)
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{
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cairo_path_t *path;
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/* We draw in the default black, so paint white first. */
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cairo_save (cr);
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cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
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cairo_paint (cr);
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cairo_restore (cr);
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/* This curious approach for drawing a circle (starting with a
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* closed arc) exercises a bug in which the "last move point" was
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* not being set so the close_path closes to (0,0). */
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cairo_arc (cr, 8, 8, 4, 0, M_PI);
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cairo_close_path (cr);
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cairo_arc (cr, 8, 8, 4, M_PI, 2 * M_PI);
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cairo_fill (cr);
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cairo_translate (cr, 16, 0);
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/* Here a curve immediately after a close_to will begin from (0,0)
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* when the path is obtained with cairo_copy_path_flat. */
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cairo_move_to (cr, 8, 4);
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cairo_arc_negative (cr, 8, 8, 4, 3 * M_PI / 2.0, M_PI / 2.0);
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cairo_close_path (cr);
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cairo_curve_to (cr,
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12, 4,
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12, 12,
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8, 12);
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path = cairo_copy_path_flat (cr);
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cairo_new_path (cr);
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cairo_append_path (cr, path);
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cairo_path_destroy (path);
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cairo_fill (cr);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (close_path,
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"Test some corner cases related to cairo_close_path",
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"path", /* keywords */
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NULL, /* requirements */
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32, 16,
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NULL, draw)
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