/* * 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 */ /* 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)