diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/caps.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/caps.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/caps.c b/libs/cairo-1.16.0/test/caps.c new file mode 100644 index 0000000..87f008a --- /dev/null +++ b/libs/cairo-1.16.0/test/caps.c @@ -0,0 +1,138 @@ +/* + * 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 10. +#define SIZE (5 * LINE_WIDTH) +#define PAD (2 * LINE_WIDTH) + +static void +make_path (cairo_t *cr) +{ + int i; + + cairo_save (cr); + for (i = 0; i <= 3; i++) { + cairo_new_sub_path (cr); + cairo_move_to (cr, -SIZE / 2, 0.); + cairo_line_to (cr, SIZE / 2, 0.); + cairo_rotate (cr, M_PI / 4.); + } + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr) +{ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, PAD + SIZE / 2., PAD + SIZE / 2.); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + make_path (cr); + cairo_stroke (cr); + + cairo_translate (cr, 0, SIZE + PAD); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + make_path (cr); + cairo_stroke (cr); + + cairo_translate (cr, 0, SIZE + PAD); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + make_path (cr); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_10 (cairo_t *cr, int width, int height) +{ + cairo_set_line_width (cr, LINE_WIDTH); + return draw (cr); +} + +static cairo_test_status_t +draw_2 (cairo_t *cr, int width, int height) +{ + cairo_set_line_width (cr, 2); + return draw (cr); +} + +static cairo_test_status_t +draw_1 (cairo_t *cr, int width, int height) +{ + cairo_set_line_width (cr, 1); + return draw (cr); +} + +static cairo_test_status_t +draw_05 (cairo_t *cr, int width, int height) +{ + cairo_set_line_width (cr, 0.5); + return draw (cr); +} + +CAIRO_TEST (caps, + "Test caps", + "stroke, caps", /* keywords */ + NULL, /* requirements */ + PAD + SIZE + PAD, + 3 * (PAD + SIZE) + PAD, + NULL, draw_10) + +CAIRO_TEST (caps_2, + "Test normal caps", + "stroke, caps", /* keywords */ + NULL, /* requirements */ + PAD + SIZE + PAD, + 3 * (PAD + SIZE) + PAD, + NULL, draw_2) + +CAIRO_TEST (caps_1, + "Test hairline caps", + "stroke, caps", /* keywords */ + NULL, /* requirements */ + PAD + SIZE + PAD, + 3 * (PAD + SIZE) + PAD, + NULL, draw_1) + +CAIRO_TEST (caps_05, + "Test fine caps", + "stroke, caps", /* keywords */ + NULL, /* requirements */ + PAD + SIZE + PAD, + 3 * (PAD + SIZE) + PAD, + NULL, draw_05) + |