add test text-unhinted-metrics

Based on bug report in https://lists.cairographics.org/archives/cairo/2016-April/027334.html

5 files changed, 74 insertions, 0 deletions

diff --git a/test/Makefile.sources b/test/Makefile.sources
index 8a11c0b3d..479b2caa1 100644
--- a/test/Makefile.sources
+++ b/test/Makefile.sources
@@ -354,6 +354,7 @@ test_sources = \
 	text-pattern.c					\
 	text-rotate.c					\
 	text-transform.c				\
+	text-unhinted-metrics.c				\
 	text-zero-len.c					\
 	thin-lines.c                                    \
 	tighten-bounds.c				\
diff --git a/test/reference/text-unhinted-metrics.pdf.ref.png b/test/reference/text-unhinted-metrics.pdf.ref.png
new file mode 100644
index 000000000..ac8952175
--- /dev/null
+++ b/test/reference/text-unhinted-metrics.pdf.ref.png
diff --git a/test/reference/text-unhinted-metrics.ps.ref.png b/test/reference/text-unhinted-metrics.ps.ref.png
new file mode 100644
index 000000000..d34ea3478
--- /dev/null
+++ b/test/reference/text-unhinted-metrics.ps.ref.png
diff --git a/test/reference/text-unhinted-metrics.ref.png b/test/reference/text-unhinted-metrics.ref.png
new file mode 100644
index 000000000..7bfe2f651
--- /dev/null
+++ b/test/reference/text-unhinted-metrics.ref.png
diff --git a/test/text-unhinted-metrics.c b/test/text-unhinted-metrics.c
new file mode 100644
index 000000000..352ab4ef2
--- /dev/null
+++ b/test/text-unhinted-metrics.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright © 2016 Adrian Johnson
+ *
+ * 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
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Adrian Johnson <ajohnson@redneon.com>
+ */
+
+/* Test CAIRO_HINT_METRICS_OFF with a TrueType font.
+ *
+ * Based on the test case in https://lists.cairographics.org/archives/cairo/2016-April/027334.html
+ */
+
+#include "cairo-test.h"
+
+#define WIDTH  100
+#define HEIGHT 100
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_font_options_t *font_options;
+    double size, y;
+
+    cairo_set_source_rgb (cr, 1, 1, 1);
+    cairo_paint (cr);
+
+    cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY "DejaVu Sans Mono",
+			    CAIRO_FONT_SLANT_NORMAL,
+			    CAIRO_FONT_WEIGHT_NORMAL);
+
+    font_options = cairo_font_options_create();
+    cairo_get_font_options (cr, font_options);
+    cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_OFF);
+    cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
+    cairo_set_font_options (cr, font_options);
+    cairo_font_options_destroy (font_options);
+
+    y = 0.0;
+    cairo_set_source_rgb (cr, 0, 0, 0);
+    for (size = 8.0; size <= 10.0; size += 0.25) {
+	cairo_set_font_size (cr, size);
+	y += 10.0;
+	cairo_move_to (cr, 5, y);
+	cairo_show_text (cr, "abcdefghijklm");
+    }
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (text_unhinted_metrics,
+	    "Test CAIRO_HINT_METRICS_OFF",
+	    "text, font", /* keywords */
+	    NULL, /* requirements */
+	    WIDTH, HEIGHT,
+	    NULL, draw)