diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/leaky-dashed-stroke.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/leaky-dashed-stroke.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/leaky-dashed-stroke.c b/libs/cairo-1.16.0/test/leaky-dashed-stroke.c new file mode 100644 index 0000000..457d7ce --- /dev/null +++ b/libs/cairo-1.16.0/test/leaky-dashed-stroke.c @@ -0,0 +1,166 @@ +/* + * 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> + */ + +/* Extracted from a test case reported by Jeff Muizelaar found whilst running + * firefox http://people.mozilla.com/~jmuizelaar/BerlinDistricts-check.svg + */ + +#include "cairo-test.h" + +#define WIDTH 205 +#define HEIGHT 260 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const double dash[2] = {.5, .5}; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 1., 0., 0); + + /* By adjusting the miter limit, we can see variations on the artifact. + * cairo_set_miter_limit (cr, 4.); + */ + + cairo_translate (cr, -720, -484); + cairo_scale (cr, 2.5, 2.5); + + cairo_set_dash (cr, dash, 2, 0); + + cairo_move_to (cr, 293.622, 330); + cairo_line_to (cr, 293.703, 337.028); + cairo_line_to (cr, 297.45, 336.851); + cairo_line_to (cr, 308.88, 342.609); + cairo_line_to (cr, 309.736, 346.107); + cairo_line_to (cr, 312.972, 348.128); + cairo_line_to (cr, 312.977, 353.478); + cairo_line_to (cr, 322.486, 359.355); + cairo_line_to (cr, 320.831, 363.642); + cairo_line_to (cr, 315.175, 367.171); + cairo_line_to (cr, 308.987, 365.715); + cairo_line_to (cr, 301.3, 365.964); + cairo_line_to (cr, 304.712, 368.852); + cairo_line_to (cr, 305.349, 373.022); + cairo_line_to (cr, 303.211, 376.551); + cairo_line_to (cr, 304.915, 382.855); + cairo_line_to (cr, 323.715, 400.475); + cairo_line_to (cr, 355.323, 424.072); + cairo_line_to (cr, 443.078, 426.534); + cairo_line_to (cr, 455.26, 400.603); + cairo_line_to (cr, 471.924, 392.604); + cairo_line_to (cr, 478.556, 390.797); + cairo_line_to (cr, 477.715, 386); + cairo_line_to (cr, 456.807, 376.507); + cairo_line_to (cr, 449.134, 368.722); + cairo_line_to (cr, 449.147, 365.847); + cairo_line_to (cr, 439.981, 361.692); + cairo_line_to (cr, 439.994, 358.603); + cairo_line_to (cr, 454.645, 336.128); + cairo_line_to (cr, 434.995, 324.005); + cairo_line_to (cr, 423.884, 319.354); + cairo_line_to (cr, 421.098, 312.569); + cairo_line_to (cr, 424.291, 305.997); + cairo_line_to (cr, 431.308, 305.069); + cairo_line_to (cr, 437.257, 296.882); + cairo_line_to (cr, 448.544, 296.808); + cairo_line_to (cr, 452.113, 290.651); + cairo_line_to (cr, 448.469, 285.483); + cairo_line_to (cr, 442.903, 282.877); + cairo_line_to (cr, 447.798, 281.124); + cairo_line_to (cr, 454.622, 274.911); + cairo_line_to (cr, 449.491, 269.978); + cairo_line_to (cr, 443.666, 253.148); + cairo_line_to (cr, 445.741, 250.834); + cairo_line_to (cr, 441.87, 247.131); + cairo_line_to (cr, 436.932, 246.203); + cairo_line_to (cr, 430.5, 251.252); + cairo_line_to (cr, 427.483, 250.751); + cairo_line_to (cr, 427.26, 253.572); + cairo_line_to (cr, 423.621, 255.539); + cairo_line_to (cr, 423.824, 257.933); + cairo_line_to (cr, 425.239, 259.582); + cairo_line_to (cr, 422.385, 261.443); + cairo_line_to (cr, 421.665, 260.53); + cairo_line_to (cr, 419.238, 262.819); + cairo_line_to (cr, 418.731, 257.849); + cairo_line_to (cr, 419.72, 255.227); + cairo_line_to (cr, 418.786, 250.258); + cairo_line_to (cr, 405.685, 235.254); + cairo_line_to (cr, 427.167, 215.127); + cairo_line_to (cr, 413.852, 196.281); + cairo_line_to (cr, 420.177, 192.379); + cairo_line_to (cr, 419.885, 185.701); + cairo_line_to (cr, 413.401, 185.428); + cairo_line_to (cr, 407.985, 186.863); + cairo_line_to (cr, 397.11, 189.112); + cairo_line_to (cr, 390.505, 186.664); + cairo_line_to (cr, 388.527, 183.694); + cairo_line_to (cr, 336.503, 221.048); + cairo_line_to (cr, 367.028, 241.656); + cairo_line_to (cr, 365.103, 244.117); + cairo_line_to (cr, 364.886, 246.792); + cairo_line_to (cr, 361.467, 247.119); + cairo_line_to (cr, 360.396, 245.525); + cairo_line_to (cr, 356.336, 245.638); + cairo_line_to (cr, 353.344, 242.122); + cairo_line_to (cr, 347.149, 242.876); + cairo_line_to (cr, 341.809, 256.652); + cairo_line_to (cr, 342.232, 268.72); + cairo_line_to (cr, 329.579, 269.095); + cairo_line_to (cr, 327.001, 271.009); + cairo_line_to (cr, 325.579, 275.598); + cairo_line_to (cr, 318.941, 277.313); + cairo_line_to (cr, 306.048, 277.231); + cairo_line_to (cr, 304.071, 276.27); + cairo_line_to (cr, 301.153, 277.175); + cairo_line_to (cr, 293.52, 277.529); + cairo_line_to (cr, 290.682, 281.947); + cairo_line_to (cr, 293.911, 286.63); + cairo_line_to (cr, 302.417, 290.547); + cairo_line_to (cr, 303.521, 294.73); + cairo_line_to (cr, 307.787, 298.088); + cairo_line_to (cr, 311.718, 299.126); + cairo_line_to (cr, 313.255, 302.146); + cairo_line_to (cr, 314.6, 306.206); + cairo_line_to (cr, 322.603, 308.96); + cairo_line_to (cr, 321.718, 314.477); + cairo_line_to (cr, 319.596, 320.341); + cairo_line_to (cr, 300.689, 323.69); + cairo_line_to (cr, 301.232, 326.789); + cairo_line_to (cr, 293.622, 330); + cairo_close_path (cr); + + cairo_stroke (cr); + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (leaky_dashed_stroke, + "Exercises bug in which a dashed stroke leaks in from outside the surface", + "dash, stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) |