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From Bertram Felgenhauer <int-e@gmx.de>:

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Add regression test for bug #4137 (fixed earlier).
This commit is contained in:
Carl Worth 2005-08-19 16:37:56 +00:00
parent 33b45c1572
commit 465ff18786
5 changed files with 83 additions and 0 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2005-08-19 Carl Worth <cworth@cworth.org>
From Bertram Felgenhauer <int-e@gmx.de>:
* test/.cvsignore:
* test/Makefile.am:
* test/rectangle-rounding-error-ref.png:
* test/rectangle-rounding-error.c: (draw), (main):
Add regression test for bug #4137 (fixed earlier).
2005-08-19 Billy Biggs <vektor@dumbterm.net>
* test/pixman-rotate.c: No need to include cairo-pdf.h.

1
test/.cvsignore
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@ -40,6 +40,7 @@ pdf-surface.pdf
ps-surface
ps-surface.ps
pixman-rotate
rectangle-rounding-error
rel-path
scale-source-surface-paint
select-font-no-show-text

3
test/Makefile.am
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@ -29,6 +29,7 @@ paint \
paint-with-alpha \
path-data \
pixman-rotate \
rectangle-rounding-error \
scale-source-surface-paint \
select-font-no-show-text \
self-copy \
@ -100,6 +101,7 @@ paint-ref.png \
paint-with-alpha-ref.png \
path-data-ref.png \
pixman-rotate-ref.png \
rectangle-rounding-error.png \
romedalen.png \
self-copy-ref.png \
self-intersecting-ref.png \
@ -209,6 +211,7 @@ pdf_surface_LDADD = $(LDADDS)
pdf_clip_LDADD = $(LDADDS)
ps_surface_LDADD = $(LDADDS)
pixman_rotate_LDADD = $(LDADDS)
rectangle_rounding_error_LDADD = $(LDADDS)
scale_source_surface_paint_LDADD = $(LDADDS)
select_font_no_show_text_LDADD = $(LDADDS)
self_copy_LDADD = $(LDADDS)

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69
test/rectangle-rounding-error.c Normal file
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@ -0,0 +1,69 @@
/*
* Copyright © 2005 Bertram Felgenhauer
*
* 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
* the author not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. The author makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE AUTHOR. 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: Bertram Felgenhauer <int-e@gmx.de>
*/
#include "cairo-test.h"
/* Test case for:
*
* https://bugs.freedesktop.org/show_bug.cgi?id=4137
*/
cairo_test_t test = {
"rectangle-rounding-error",
"This demonstrates (or not) a rounding error that causes a gap between "
"two neighbouring rectangles.",
76, 76
};
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_translate(cr, -300, -300);
cairo_scale(cr, 677.0/26, 677.0/26);
cairo_translate(cr, 1, 1);
/* this should draw a seamless 2x2 rectangle */
cairo_rectangle(cr, 11, 11, 1, 1);
cairo_rectangle(cr, 11, 12, 1, 1);
cairo_rectangle(cr, 12, 11, 1, 1);
cairo_rectangle(cr, 12, 12, 1, 1);
cairo_set_source_rgb(cr, 0, 0, 0);
cairo_fill(cr);
return CAIRO_TEST_SUCCESS;
}
int
main (void)
{
return cairo_test (&test, draw);
}