add cairo

1 files changed, 83 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/test/over-around-source.c b/libs/cairo-1.16.0/test/over-around-source.c
new file mode 100644
index 0000000..531eda8
--- /dev/null
+++ b/libs/cairo-1.16.0/test/over-around-source.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright © 2007 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>
+ */
+
+#include "cairo-test.h"
+
+#define SIZE 40
+#define PAD 2
+#define WIDTH (PAD + SIZE + PAD)
+#define HEIGHT WIDTH
+
+/* This test is designed to explore the interactions of "native" and
+ * "fallback" objects. For the ps surface, OVER with non-1.0 opacity
+ * will be a fallback while SOURCE will be native. For the pdf
+ * surface, it's the reverse where OVER is native while SOURCE is a
+ * fallback. */
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_translate (cr, PAD, PAD);
+
+    /* A green triangle with OVER */
+    cairo_move_to     (cr,  SIZE / 5, SIZE / 5);
+    cairo_rel_line_to (cr,  SIZE / 2, 0);
+    cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2);
+    cairo_close_path (cr);
+
+    cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
+    cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */
+
+    cairo_fill (cr);
+
+    /* A red circle with SOURCE */
+    cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 4, 0., 2. * M_PI);
+
+    cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+    cairo_set_source_rgba (cr, 1., 0., 0., 0.5); /* 50% red */
+
+    cairo_fill (cr);
+
+    /* Another green triangle with OVER */
+    cairo_move_to     (cr,  SIZE / 2, SIZE / 2);
+    cairo_rel_line_to (cr,  SIZE / 2, 0);
+    cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2);
+    cairo_close_path (cr);
+
+    cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
+    cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */
+
+    cairo_fill (cr);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (over_around_source,
+	    "A simple test drawing a triangle with SOURCE between two circles drawn with OVER",
+	    "operator", /* keywords */
+	    NULL, /* requirements */
+	    WIDTH, HEIGHT,
+	    NULL, draw)