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-rw-r--r--libs/cairo-1.16.0/test/in-fill-trapezoid.c279
1 files changed, 279 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/in-fill-trapezoid.c b/libs/cairo-1.16.0/test/in-fill-trapezoid.c
new file mode 100644
index 0000000..84b323a
--- /dev/null
+++ b/libs/cairo-1.16.0/test/in-fill-trapezoid.c
@@ -0,0 +1,279 @@
+/*
+ * Copyright © 2008 Chris Wilson
+ *
+ * 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: Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#include "cairo-test.h"
+
+static cairo_test_status_t
+preamble (cairo_test_context_t *ctx)
+{
+ cairo_test_status_t ret = CAIRO_TEST_SUCCESS;
+ cairo_surface_t *surface;
+ cairo_t *cr;
+
+ surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 0, 0);
+ cr = cairo_create (surface);
+ cairo_surface_destroy (surface);
+
+ cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
+
+ /* simple rectangle */
+ cairo_new_path (cr);
+ cairo_rectangle (cr, -10, -10, 20, 20);
+ if (! cairo_in_fill (cr, 0, 0)) {
+ cairo_test_log (ctx, "Error: Failed to find point inside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* rectangular boundary tests */
+ if (! cairo_in_fill (cr, -10, -10)) {
+ cairo_test_log (ctx, "Error: Failed to find top-left vertex inside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ if (! cairo_in_fill (cr, -10, 10)) {
+ cairo_test_log (ctx, "Error: Failed to find bottom-left vertex inside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ if (! cairo_in_fill (cr, 10, -10)) {
+ cairo_test_log (ctx, "Error: Failed to find top-right vertex inside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ if (! cairo_in_fill (cr, 10, 10)) {
+ cairo_test_log (ctx, "Error: Failed to find bottom-right vertex inside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ if (! cairo_in_fill (cr, -10, 0)) {
+ cairo_test_log (ctx, "Error: Failed to find left edge inside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ if (! cairo_in_fill (cr, 0, -10)) {
+ cairo_test_log (ctx, "Error: Failed to find top edge inside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ if (! cairo_in_fill (cr, 10, 0)) {
+ cairo_test_log (ctx, "Error: Failed to find right edge inside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ if (! cairo_in_fill (cr, 0, 10)) {
+ cairo_test_log (ctx, "Error: Failed to find bottom edge inside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* simple circle */
+ cairo_new_path (cr);
+ cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI);
+ if (! cairo_in_fill (cr, 0, 0)) {
+ cairo_test_log (ctx, "Error: Failed to find point inside circle [even-odd]\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* holey rectangle */
+ cairo_new_path (cr);
+ cairo_rectangle (cr, -10, -10, 20, 20);
+ cairo_rectangle (cr, -5, -5, 10, 10);
+ if (cairo_in_fill (cr, 0, 0)) {
+ cairo_test_log (ctx, "Error: Found an unexpected point inside rectangular eo-hole\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* holey circle */
+ cairo_new_path (cr);
+ cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI);
+ cairo_arc (cr, 0, 0, 5, 0, 2 * M_PI);
+ if (cairo_in_fill (cr, 0, 0)) {
+ cairo_test_log (ctx, "Error: Found an unexpected point inside circular eo-hole\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+
+ cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
+
+ /* simple rectangle */
+ cairo_new_path (cr);
+ cairo_rectangle (cr, -10, -10, 20, 20);
+ if (! cairo_in_fill (cr, 0, 0)) {
+ cairo_test_log (ctx, "Error: Failed to find point inside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* simple circle */
+ cairo_new_path (cr);
+ cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI);
+ if (! cairo_in_fill (cr, 0, 0)) {
+ cairo_test_log (ctx, "Error: Failed to find point inside circle [nonzero]\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* overlapping circle/rectangle */
+ cairo_new_path (cr);
+ cairo_rectangle (cr, -10, -10, 20, 20);
+ cairo_new_sub_path (cr);
+ cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI);
+ if (! cairo_in_fill (cr, 0, 0)) {
+ cairo_test_log (ctx, "Error: Failed to find point inside circle+rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* holey rectangle */
+ cairo_new_path (cr);
+ cairo_rectangle (cr, -10, -10, 20, 20);
+ cairo_rectangle (cr, 5, -5, -10, 10);
+ if (cairo_in_fill (cr, 0, 0)) {
+ cairo_test_log (ctx, "Error: Found an unexpected point inside rectangular non-zero-hole\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* holey circle */
+ cairo_new_path (cr);
+ cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI);
+ cairo_arc_negative (cr, 0, 0, 5, 0, -2 * M_PI);
+ if (cairo_in_fill (cr, 0, 0)) {
+ cairo_test_log (ctx, "Error: Found an unexpected point inside circular non-zero-hole\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* not a holey circle */
+ cairo_new_path (cr);
+ cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI);
+ cairo_arc (cr, 0, 0, 5, 0, 2 * M_PI);
+ if (! cairo_in_fill (cr, 0, 0)) {
+ cairo_test_log (ctx, "Error: Failed to find point inside two circles\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* check off-centre */
+ cairo_new_path (cr);
+ cairo_arc (cr, 7.5, 0, 10, 0, 2 * M_PI);
+ cairo_arc_negative (cr, 7.5, 0, 5, 0, -2 * M_PI);
+ if (cairo_in_fill (cr, 7.5, 0)) {
+ cairo_test_log (ctx, "Error: Found an unexpected point inside off-centre-x circular non-zero-hole\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ cairo_new_path (cr);
+ cairo_arc (cr, 0, 7.5, 10, 0, 2 * M_PI);
+ cairo_arc_negative (cr, 0, 7.5, 5, 0, -2 * M_PI);
+ if (cairo_in_fill (cr, 0, 7.5)) {
+ cairo_test_log (ctx, "Error: Found an unexpected point inside off-centre-y circular non-zero-hole\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ cairo_new_path (cr);
+ cairo_arc (cr, 15, 0, 10, 0, 2 * M_PI);
+ if (! cairo_in_fill (cr, 15, 0)) {
+ cairo_test_log (ctx, "Error: Failed to find point inside off-centre-x circle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ cairo_new_path (cr);
+ cairo_arc (cr, 0, 15, 10, 0, 2 * M_PI);
+ if (! cairo_in_fill (cr, 0, 15)) {
+ cairo_test_log (ctx, "Error: Failed to find point inside off-centre-y circle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* simple rectangle */
+ cairo_new_path (cr);
+ cairo_rectangle (cr, 10, 0, 5, 5);
+ if (cairo_in_fill (cr, 0, 0)) {
+ cairo_test_log (ctx, "Error: Found an unexpected point outside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ if (cairo_in_fill (cr, 20, 20)) {
+ cairo_test_log (ctx, "Error: Found an unexpected point outside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ if (! cairo_in_fill (cr, 12.5, 2.5)) {
+ cairo_test_log (ctx, "Error: Failed to find point inside rectangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ /* off-centre triangle */
+ cairo_new_path (cr);
+ cairo_move_to (cr, 10, 0);
+ cairo_line_to (cr, 15, 5);
+ cairo_line_to (cr, 5, 5);
+ cairo_close_path (cr);
+ if (cairo_in_fill (cr, 0, 0) ||
+ cairo_in_fill (cr, 5, 0) ||
+ cairo_in_fill (cr, 15, 0) ||
+ cairo_in_fill (cr, 20, 0) ||
+ cairo_in_fill (cr, 0, 10) ||
+ cairo_in_fill (cr, 10, 10) ||
+ cairo_in_fill (cr, 20, 10) ||
+ cairo_in_fill (cr, 7, 2.5) ||
+ cairo_in_fill (cr, 13, 2.5))
+ {
+ cairo_test_log (ctx,
+ "Error: Found an unexpected point outside triangle\n"
+ "\t(0, 0) -> %s\n"
+ "\t(5, 0) -> %s\n"
+ "\t(15, 0) -> %s\n"
+ "\t(20, 0) -> %s\n"
+ "\t(0, 10) -> %s\n"
+ "\t(10, 10) -> %s\n"
+ "\t(20, 10) -> %s\n"
+ "\t(7, 2.5) -> %s\n"
+ "\t(13, 2.5) -> %s\n",
+ cairo_in_fill (cr, 0, 0) ? "inside" : "outside",
+ cairo_in_fill (cr, 5, 0) ? "inside" : "outside",
+ cairo_in_fill (cr, 15, 0) ? "inside" : "outside",
+ cairo_in_fill (cr, 20, 0) ? "inside" : "outside",
+ cairo_in_fill (cr, 0, 10) ? "inside" : "outside",
+ cairo_in_fill (cr, 10, 10) ? "inside" : "outside",
+ cairo_in_fill (cr, 20, 10) ? "inside" : "outside",
+ cairo_in_fill (cr, 7, 2.5) ? "inside" : "outside",
+ cairo_in_fill (cr, 13, 2.5) ? "inside" : "outside");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ if (! cairo_in_fill (cr, 7.5, 2.5) ||
+ ! cairo_in_fill (cr, 12.5, 2.5) ||
+ ! cairo_in_fill (cr, 10, 5))
+ {
+ cairo_test_log (ctx,
+ "Error: Failed to find point on triangle edge\n"
+ "\t(7.5, 2.5) -> %s\n"
+ "\t(12.5, 2.5) -> %s\n"
+ "\t(10, 5) -> %s\n",
+ cairo_in_fill (cr, 7.5, 2.5) ? "inside" : "outside",
+ cairo_in_fill (cr, 12.5, 2.5) ? "inside" : "outside",
+ cairo_in_fill (cr, 10, 5) ? "inside" : "outside");
+ ret = CAIRO_TEST_FAILURE;
+ }
+ if (! cairo_in_fill (cr, 8, 2.5) ||
+ ! cairo_in_fill (cr, 12, 2.5))
+ {
+ cairo_test_log (ctx, "Error: Failed to find point inside triangle\n");
+ ret = CAIRO_TEST_FAILURE;
+ }
+
+ cairo_destroy (cr);
+
+ return ret;
+}
+
+CAIRO_TEST (in_fill_trapezoid,
+ "Test cairo_in_fill",
+ "in, trap", /* keywords */
+ NULL, /* requirements */
+ 0, 0,
+ preamble, NULL)
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