diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-08-06 11:10:26 +0100 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-08-06 11:12:23 +0100 |
commit | 61c0f67ee0376e3a2f0d1fbe431d901d9b8cb2c0 (patch) | |
tree | c2674ff2d250bc5400086d4ab88aa8be0de734cc | |
parent | 93c9d4cefb0bfa7846f33e57f395e6944ae878e3 (diff) |
test: Add joins-retrace
The complexity in this shape is that the stroke is reversed upon
itself and retraces the same path in the opposite direction.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
-rw-r--r-- | test/Makefile.refs | 1 | ||||
-rw-r--r-- | test/Makefile.sources | 1 | ||||
-rw-r--r-- | test/joins-retrace.c | 109 | ||||
-rw-r--r-- | test/joins-retrace.ref.png | bin | 0 -> 4787 bytes |
4 files changed, 111 insertions, 0 deletions
diff --git a/test/Makefile.refs b/test/Makefile.refs index 62d56e3a2..6eaf1cc04 100644 --- a/test/Makefile.refs +++ b/test/Makefile.refs @@ -654,6 +654,7 @@ REFERENCE_IMAGES = \ inverse-text.quartz.ref.png \ inverse-text.ref.png \ joins-loop.ref.png \ + joins-retrace.ref.png \ joins-star.ref.png \ joins.image16.ref.png \ joins.ps.ref.png \ diff --git a/test/Makefile.sources b/test/Makefile.sources index ba520aff9..68f075f81 100644 --- a/test/Makefile.sources +++ b/test/Makefile.sources @@ -148,6 +148,7 @@ test_sources = \ joins.c \ joins-loop.c \ joins-star.c \ + joins-retrace.c \ large-clip.c \ large-font.c \ large-source.c \ diff --git a/test/joins-retrace.c b/test/joins-retrace.c new file mode 100644 index 000000000..9a2cf708b --- /dev/null +++ b/test/joins-retrace.c @@ -0,0 +1,109 @@ +/* + * 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) +{ + cairo_move_to (cr, 0, SIZE/2 + LINE_WIDTH); + cairo_rel_line_to (cr, SIZE, 0); + cairo_rel_line_to (cr, -SIZE, 0); + cairo_close_path (cr); + + cairo_move_to (cr, 3*SIZE/4, 0); + cairo_rel_line_to (cr, -SIZE/2, SIZE); + cairo_rel_line_to (cr, SIZE/2, -SIZE); + cairo_close_path (cr); + + cairo_move_to (cr, 0, SIZE/2-LINE_WIDTH); + cairo_rel_curve_to (cr, + SIZE/2, -2*LINE_WIDTH, + SIZE/2, 2*LINE_WIDTH, + SIZE, 0); + cairo_rel_curve_to (cr, + -SIZE/2, 2*LINE_WIDTH, + -SIZE/2, -2*LINE_WIDTH, + -SIZE, 0); + 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_retrace, + "A shape that repeats upon itself", + "stroke", /* keywords */ + NULL, /* requirements */ + 3*(SIZE+PAD)+PAD, 2*(SIZE+PAD)+2*PAD, + NULL, draw) + diff --git a/test/joins-retrace.ref.png b/test/joins-retrace.ref.png Binary files differnew file mode 100644 index 000000000..447bfdbc4 --- /dev/null +++ b/test/joins-retrace.ref.png |