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Diffstat (limited to 'test/fill-missed-stop.c')
| -rw-r--r-- | test/fill-missed-stop.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/test/fill-missed-stop.c b/test/fill-missed-stop.c deleted file mode 100644 index 558933778..000000000 --- a/test/fill-missed-stop.c +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright © 2006 M Joonas Pihlaja - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, copy, - * modify, merge, publish, distribute, sublicense, and/or sell copies - * of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Author: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> - */ - -/* Bug history - * - * 2006-12-05 M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> - * - * The tessellator has a regression where a trapezoid may continue - * below the end of a polygon edge (i.e. the bottom of the trapezoid - * is miscomputed.) This can only happen if the right edge of a - * trapezoid stops earlier than the left edge and there is no start - * event at the end point of the right edge. - */ - -#include "cairo-test.h" - -#define SIZE 50 - -static cairo_test_status_t -draw (cairo_t *cr, int width, int height) -{ - cairo_set_source_rgb (cr, 1, 0, 0); - - cairo_translate (cr, 1, 1); - - /* What it should look like, with # marking the filled areas: - * - * |\ |\ - * |#\ |#\ - * |##\__|##\ - * \#| - * \| - * - * What it looke like with the bug, when the rightmost edge's end - * is missed: - * - * |\ |\ - * |#\ |#\ - * |##\__|##\ - * \#####| - * \####| - */ - - cairo_move_to (cr, 0, 0); - cairo_line_to (cr, SIZE/2, SIZE); - cairo_line_to (cr, SIZE/2, 0); - cairo_line_to (cr, SIZE, SIZE/2); - cairo_line_to (cr, 0, SIZE/2); - cairo_close_path (cr); - cairo_fill (cr); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (fill_missed_stop, - "Tests that the tessellator doesn't miss stop events when generating trapezoids", - "fill", /* keywords */ - NULL, /* requirements */ - SIZE+3, SIZE+3, - NULL, draw) |