From 2dd4ff32064c3c564e0902ae07330272e6676c22 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Fri, 2 Nov 2012 14:48:40 +0000 Subject: test: Add stroke-clipped Exercise a bug in the determine of clip-bounds when stroking, as reported by ed44. Signed-off-by: Chris Wilson --- test/Makefile.sources | 1 + test/reference/stroke-clipped.ref.png | Bin 0 -> 5886 bytes test/stroke-clipped.c | 54 ++++++++++++++++++++++++++++++++++ 3 files changed, 55 insertions(+) create mode 100644 test/reference/stroke-clipped.ref.png create mode 100644 test/stroke-clipped.c diff --git a/test/Makefile.sources b/test/Makefile.sources index fdf262c36..7dc8b889d 100644 --- a/test/Makefile.sources +++ b/test/Makefile.sources @@ -290,6 +290,7 @@ test_sources = \ scale-source-surface-paint.c \ scaled-font-zero-matrix.c \ stroke-ctm-caps.c \ + stroke-clipped.c \ stroke-image.c \ stroke-open-box.c \ select-font-face.c \ diff --git a/test/reference/stroke-clipped.ref.png b/test/reference/stroke-clipped.ref.png new file mode 100644 index 000000000..3240cfe51 Binary files /dev/null and b/test/reference/stroke-clipped.ref.png differ diff --git a/test/stroke-clipped.c b/test/stroke-clipped.c new file mode 100644 index 000000000..4b8079480 --- /dev/null +++ b/test/stroke-clipped.c @@ -0,0 +1,54 @@ +/* + * 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. + */ + +#include "cairo-test.h" + +#define SIZE 200 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int row; + + cairo_set_source_rgb(cr, 1, 1, 1); + cairo_paint(cr); + + cairo_set_source_rgb(cr, 1, 0, 0); + for(row = 0; row < SIZE; row++) { + cairo_rectangle(cr, 0, row, SIZE, 1); + cairo_clip(cr); + + cairo_arc(cr, SIZE/2, SIZE/2, SIZE/2-8, 0, 2*M_PI); + cairo_stroke(cr); + + cairo_reset_clip(cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (stroke_clipped, + "Check that the stroke is accurately drawn through smaller clips", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) -- cgit v1.2.1