diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-08-06 09:15:57 +0100 |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-08-06 09:30:54 +0100 |
commit | b280114c5e87490baf3a0f99fe9d6e051168a6a9 (patch) | |
tree | e5a3b287844f518c48b7098d5610d6550e22be20 /test | |
parent | 588e5a24fad80269437aebc36dc316616504edab (diff) |
test: Add join-star, another stroker exercise
A simple convex shape, useful for debugging.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'test')
-rw-r--r-- | test/Makefile.refs | 1 | ||||
-rw-r--r-- | test/Makefile.sources | 1 | ||||
-rw-r--r-- | test/joins-star.c | 99 | ||||
-rw-r--r-- | test/joins-star.ref.png | bin | 0 -> 4362 bytes |
4 files changed, 101 insertions, 0 deletions
diff --git a/test/Makefile.refs b/test/Makefile.refs index 6be80eb3..87a59416 100644 --- a/test/Makefile.refs +++ b/test/Makefile.refs @@ -653,6 +653,7 @@ REFERENCE_IMAGES = \ inverse-text.ps.ref.png \ inverse-text.quartz.ref.png \ inverse-text.ref.png \ + joins-star.ref.png \ joins.image16.ref.png \ joins.ps.ref.png \ joins.quartz.ref.png \ diff --git a/test/Makefile.sources b/test/Makefile.sources index e8e2b4ff..6421894d 100644 --- a/test/Makefile.sources +++ b/test/Makefile.sources @@ -146,6 +146,7 @@ test_sources = \ invalid-matrix.c \ inverse-text.c \ joins.c \ + joins-star.c \ large-clip.c \ large-font.c \ large-source.c \ diff --git a/test/joins-star.c b/test/joins-star.c new file mode 100644 index 00000000..17c1b4e6 --- /dev/null +++ b/test/joins-star.c @@ -0,0 +1,99 @@ +/* + * Copyright © 2011 Intel Corporation + * + * 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: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10. +#define SIZE (8 * LINE_WIDTH) +#define PAD (1 * LINE_WIDTH) + + +static void +make_path (cairo_t *cr) +{ +#define PROTRUSION 20 + cairo_move_to (cr, SIZE/2-PROTRUSION, LINE_WIDTH); + cairo_line_to (cr, SIZE-LINE_WIDTH, SIZE/2+PROTRUSION); + cairo_line_to (cr, SIZE-LINE_WIDTH, SIZE/2-PROTRUSION); + cairo_line_to (cr, SIZE/2-PROTRUSION, SIZE-LINE_WIDTH); + cairo_line_to (cr, SIZE/2+PROTRUSION, SIZE-LINE_WIDTH); + cairo_line_to (cr, LINE_WIDTH, SIZE/2-PROTRUSION); + cairo_line_to (cr, LINE_WIDTH, SIZE/2+PROTRUSION); + cairo_line_to (cr, SIZE/2+PROTRUSION, LINE_WIDTH); + cairo_close_path (cr); +} + +static void +draw_joins (cairo_t *cr) +{ + cairo_save (cr); + cairo_translate (cr, PAD, PAD); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_set_line_width (cr, LINE_WIDTH); + + draw_joins (cr); + + /* and reflect to generate the opposite vertex ordering */ + cairo_translate (cr, 0, height); + cairo_scale (cr, 1, -1); + + draw_joins (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (joins_star, + "A nice and simple concave shape", + "stroke", /* keywords */ + NULL, /* requirements */ + 3*(SIZE+PAD)+PAD, 2*(SIZE+PAD)+PAD, + NULL, draw) + diff --git a/test/joins-star.ref.png b/test/joins-star.ref.png Binary files differnew file mode 100644 index 00000000..e0d6606b --- /dev/null +++ b/test/joins-star.ref.png |