1 files changed, 73 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/large-font.c b/libs/cairo-1.16.0/test/large-font.c
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+++ b/libs/cairo-1.16.0/test/large-font.c
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+/*
+ * Copyright © 2008 Red Hat, Inc.
+ *
+ * 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: Carl D. Worth <cworth@cworth.org>
+ */
+
+/* Bug history:
+ *
+ * 2008-05-23: Caolan McNamara noticed a bug in OpenOffice.org where,
+ *             when using a very large font, space would be left for a
+ *	       glyph but it would actually be rendered in the wrong
+ *	       place. He wrote a minimal test case and posted the bug
+ *	       here:
+ *
+ *			corrupt glyph positions with large font
+ *			https://bugzilla.redhat.com/show_bug.cgi?id=448104
+ *
+ * 2008-05-23: Carl Worth wrote this test for the cairo test suite to
+ *             exercise the bug.
+ */
+
+#include "cairo-test.h"
+
+#define WIDTH  800
+#define HEIGHT 800
+#define TEXT_SIZE 10000
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    /* paint white so we don't need separate ref images for
+     * RGB24 and ARGB32 */
+    cairo_set_source_rgb (cr, 1., 1., 1.);
+    cairo_paint (cr);
+
+    cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans",
+			    CAIRO_FONT_SLANT_NORMAL,
+			    CAIRO_FONT_WEIGHT_NORMAL);
+    cairo_set_font_size (cr, TEXT_SIZE);
+
+    cairo_set_source_rgb (cr, 0, 0, 0);
+    cairo_move_to (cr, -TEXT_SIZE / 2, TEXT_SIZE / 2);
+    cairo_show_text (cr, "xW");
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (large_font,
+	    "Draws a very large font to exercise a glyph-positioning bug",
+	    "stress, font", /* keywords */
+	    NULL, /* requirements */
+	    WIDTH, HEIGHT,
+	    NULL, draw)