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author | Jeff Muizelaar <jrmuizel@uwaterloo.ca> | 2007-02-19 16:06:56 -0500 |
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committer | Jeff Muizelaar <jrmuizel@uwaterloo.ca> | 2007-02-19 16:06:56 -0500 |
commit | 74ded42327e87b40de434a28620d0a3fc8e4d249 (patch) | |
tree | 6dab1be6ea97b06b9772637e52eb7ac2798febe0 /test/dash-state.c | |
parent | 1c1697398c5ef17e38bc031e8c067113a6c10287 (diff) | |
download | cairo-74ded42327e87b40de434a28620d0a3fc8e4d249.tar.gz |
Add a new dashing test
This new dashing test, based on some code from Jeff Smith, does a pretty
good job exploring all the cases that the dashing code needs to deal with.
Diffstat (limited to 'test/dash-state.c')
-rw-r--r-- | test/dash-state.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/test/dash-state.c b/test/dash-state.c new file mode 100644 index 000000000..a59a3e8f9 --- /dev/null +++ b/test/dash-state.c @@ -0,0 +1,72 @@ +/* + * Copyright © 2007 Jeff Smith + * + * 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 + * Jeff Smith not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Jeff Smith makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * JEFF SMITH DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL JEFF SMITH 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: Jeff Smith <whydoubt@yahoo.com> + */ + +#include "cairo-test.h" + +static cairo_test_draw_function_t draw; + +cairo_test_t test = { + "dash-state", + "Tries to explore the state space of the dashing code", + 25*60, 4*60, + draw +}; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double dashes[2] = {20, 20}; + int a=0, b=0, c=0; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + for (a=0; a<4; a++) + for (b=0; b<5; b++) + for (c=0; c<5; c++) { + cairo_move_to (cr, ((b*5)+c)*60+10, a*60+10); + cairo_rel_line_to (cr, 0, b*10); + cairo_rel_line_to (cr, c*10, 0); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_set_line_width (cr, 8); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_dash (cr, dashes, 2, a*10); + cairo_stroke_preserve (cr); + + cairo_set_source_rgb (cr, 0, 0.5, 1); + cairo_set_line_width (cr, 2); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_dash (cr, 0, 0, 0); + cairo_stroke (cr); + } + return CAIRO_TEST_SUCCESS; +} + +int +main (void) +{ + return cairo_test (&test); +} |