[cairo-commit] test/bug-extents.c test/bug-extents.image16.ref.png test/bug-extents.ps.ref.png test/bug-extents.quartz.ref.png test/bug-extents.ref.png test/bug-extents.xlib.ref.png test/Makefile.am test/Makefile.sources
Andrea Canciani
ranma42 at kemper.freedesktop.org
Tue Dec 14 13:20:54 PST 2010
test/Makefile.am | 5 +++
test/Makefile.sources | 1
test/bug-extents.c | 59 +++++++++++++++++++++++++++++++++++++++
test/bug-extents.image16.ref.png |binary
test/bug-extents.ps.ref.png |binary
test/bug-extents.quartz.ref.png |binary
test/bug-extents.ref.png |binary
test/bug-extents.xlib.ref.png |binary
8 files changed, 65 insertions(+)
New commits:
commit 65040d3e3f5e00bea8be0d33a200d8d62e11e053
Author: Andrea Canciani <ranma42 at gmail.com>
Date: Tue Dec 14 20:15:28 2010 +0100
test: Add bug-extents
Add a test for the computation of approximate extents used by most
backends to esimate the region affected by drawing operations.
Based on:
http://lists.cairographics.org/archives/cairo/2010-December/021331.html
diff --git a/test/Makefile.am b/test/Makefile.am
index 1d7e66d..aa203bc 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -167,6 +167,11 @@ REFERENCE_IMAGES = \
bug-bo-rectangular.ref.png \
bug-bo-rectangular.image16.ref.png \
bug-bo-rectangular.ps.xfail.png \
+ bug-extents.image16.ref.png \
+ bug-extents.quartz.ref.png \
+ bug-extents.ps.ref.png \
+ bug-extents.ref.png \
+ bug-extents.xlib.ref.png \
bug-seams.ref.png \
bug-seams.xlib.ref.png \
bug-seams.xlib-fallback.ref.png \
diff --git a/test/Makefile.sources b/test/Makefile.sources
index dfdace6..6a862f6 100644
--- a/test/Makefile.sources
+++ b/test/Makefile.sources
@@ -16,6 +16,7 @@ test_sources = \
big-trap.c \
bilevel-image.c \
bug-bo-rectangular.c \
+ bug-extents.c \
bug-seams.c \
caps.c \
caps-joins.c \
diff --git a/test/bug-extents.c b/test/bug-extents.c
new file mode 100644
index 0000000..4edb4a5
--- /dev/null
+++ b/test/bug-extents.c
@@ -0,0 +1,59 @@
+/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
+/*
+ * Copyright 2010 Andrea Canciani
+ *
+ * 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: Andrea Canciani <ranma42 at gmail.com>
+ */
+
+#include "cairo-test.h"
+
+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_translate (cr, 0, -25);
+
+ cairo_move_to (cr, 50, 200);
+ cairo_curve_to (cr, 50, 150, 100, 50, 150, 50);
+ cairo_curve_to (cr, 200, 50, 250, 250, 200, 250);
+ cairo_curve_to (cr, 150, 250, 200, 50, 50, 100);
+ cairo_curve_to (cr, -100, 150, 200, 150, 200, 200);
+ cairo_curve_to (cr, 200, 250, 50, 250, 50, 200);
+
+ cairo_set_source_rgb (cr, 0, 0, 0);
+ cairo_fill_preserve (cr);
+
+ cairo_set_source_rgb (cr, 1, 0, 0);
+ cairo_stroke (cr);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (bug_extents,
+ "Tests a bug in the computation of approximate extents",
+ "extents", /* keywords */
+ NULL, /* requirements */
+ 250, 250,
+ NULL, draw)
diff --git a/test/bug-extents.image16.ref.png b/test/bug-extents.image16.ref.png
new file mode 100644
index 0000000..8eb3d4b
Binary files /dev/null and b/test/bug-extents.image16.ref.png differ
diff --git a/test/bug-extents.ps.ref.png b/test/bug-extents.ps.ref.png
new file mode 100644
index 0000000..2d55405
Binary files /dev/null and b/test/bug-extents.ps.ref.png differ
diff --git a/test/bug-extents.quartz.ref.png b/test/bug-extents.quartz.ref.png
new file mode 100644
index 0000000..2973448
Binary files /dev/null and b/test/bug-extents.quartz.ref.png differ
diff --git a/test/bug-extents.ref.png b/test/bug-extents.ref.png
new file mode 100644
index 0000000..c388bad
Binary files /dev/null and b/test/bug-extents.ref.png differ
diff --git a/test/bug-extents.xlib.ref.png b/test/bug-extents.xlib.ref.png
new file mode 100644
index 0000000..c2db4f0
Binary files /dev/null and b/test/bug-extents.xlib.ref.png differ
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