Attachment 2938 Details for Bug 4137 – testcase - with corrected license

[patch] testcase - with corrected license

rectangle-rounding-error.diff (text/plain), 4.12 KB, created by Bertram Felgenhauer on 2005-08-19 16:27:09 UTC

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Creator: Bertram Felgenhauer

Created: 2005-08-19 16:27:09 UTC

Size: 4.12 KB

patch

obsolete

>Index: test/.cvsignore
>===================================================================
>RCS file: /cvs/cairo/cairo/test/.cvsignore,v
>retrieving revision 1.47
>diff -u -u -r1.47 .cvsignore
>--- test/.cvsignore	19 Aug 2005 19:02:14 -0000	1.47
>+++ test/.cvsignore	19 Aug 2005 23:26:11 -0000
>@@ -40,6 +40,7 @@
> ps-surface
> ps-surface.ps
> pixman-rotate
>+rectangle-rounding-error
> rel-path
> scale-source-surface-paint
> select-font-no-show-text
>Index: test/Makefile.am
>===================================================================
>RCS file: /cvs/cairo/cairo/test/Makefile.am,v
>retrieving revision 1.83
>diff -u -u -r1.83 Makefile.am
>--- test/Makefile.am	19 Aug 2005 19:02:14 -0000	1.83
>+++ test/Makefile.am	19 Aug 2005 23:26:11 -0000
>@@ -29,6 +29,7 @@
> 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-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_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)
>Index: test/rectangle-rounding-error.c
>===================================================================
>RCS file: test/rectangle-rounding-error.c
>diff -N test/rectangle-rounding-error.c
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ test/rectangle-rounding-error.c	19 Aug 2005 23:26:11 -0000
>@@ -0,0 +1,71 @@
>+/*
>+ * Copyright Â© 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)
>+{
>+    int i;
>+
>+    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);
>+}

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