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-rw-r--r--libs/cairo-1.16.0/test/pattern-getters.c279
1 files changed, 279 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/pattern-getters.c b/libs/cairo-1.16.0/test/pattern-getters.c
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+/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
+/*
+ * Copyright © 2005 Mozilla Corporation, Inc.
+ *
+ * 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
+ * Mozilla Corporation not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Mozilla Corporation makes no representations about the
+ * suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION 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: Vladimir Vukicevic <vladimir@pobox.com>
+ */
+
+#include "cairo-test.h"
+#include <stdlib.h>
+
+#define CHECK_SUCCESS do { \
+ if (status) { \
+ cairo_pattern_destroy (pat); \
+ return cairo_test_status_from_status (ctx, status); \
+ } \
+} while (0)
+
+static int
+double_buf_equal (const cairo_test_context_t *ctx, double *a, double *b, int nc)
+{
+ int i;
+ for (i = 0; i < nc; i++) {
+ if (!CAIRO_TEST_DOUBLE_EQUALS(a[i],b[i])) {
+ cairo_test_log (ctx, "Error: doubles not equal: %g, %g\n",
+ a[i], b[i]);
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+ const cairo_test_context_t *ctx = cairo_test_get_context (cr);
+ cairo_status_t status;
+ cairo_pattern_t *pat;
+
+ /* Test pattern_get_rgba */
+ {
+ double r, g, b, a;
+ pat = cairo_pattern_create_rgba (0.2, 0.3, 0.4, 0.5);
+
+ status = cairo_pattern_get_rgba (pat, &r, &g, &b, &a);
+ CHECK_SUCCESS;
+
+ if (!CAIRO_TEST_DOUBLE_EQUALS(r,0.2) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(g,0.3) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(b,0.4) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(a,0.5)) {
+ cairo_test_log (ctx, "Error: cairo_pattern_get_rgba returned unexepcted results: %g, %g, %g, %g\n",
+ r, g, b, a);
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+
+ cairo_pattern_destroy (pat);
+ }
+
+ /* Test pattern_get_surface */
+ {
+ cairo_surface_t *surf;
+
+ pat = cairo_pattern_create_for_surface (cairo_get_target (cr));
+
+ status = cairo_pattern_get_surface (pat, &surf);
+ CHECK_SUCCESS;
+
+ if (surf != cairo_get_target (cr)) {
+ cairo_test_log (ctx, "Error: cairo_pattern_get_resurface returned wrong surface\n");
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+
+ cairo_pattern_destroy (pat);
+ }
+
+ /* Test get_color_stops & linear_get_points */
+ {
+ int i;
+ double x0, y0, x1, y1;
+ double expected_values[15] = { 0.0, 0.2, 0.4, 0.2, 1.0,
+ 0.5, 0.4, 0.5, 0.2, 0.5,
+ 1.0, 0.2, 0.4, 0.5, 0.2 };
+ double new_buf[15];
+
+ pat = cairo_pattern_create_linear (1.0, 2.0, 3.0, 4.0);
+
+ for (i = 0; i < 3; i++) {
+ cairo_pattern_add_color_stop_rgba (pat,
+ expected_values[i*5+0],
+ expected_values[i*5+1],
+ expected_values[i*5+2],
+ expected_values[i*5+3],
+ expected_values[i*5+4]);
+ }
+
+ status = cairo_pattern_get_linear_points (pat, &x0, &y0, &x1, &y1);
+ CHECK_SUCCESS;
+
+ if (!CAIRO_TEST_DOUBLE_EQUALS(x0,1.0) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(y0,2.0) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(x1,3.0) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(y1,4.0))
+ {
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+
+ status = cairo_pattern_get_color_stop_count (pat, &i);
+ CHECK_SUCCESS;
+
+ if (i != 3) {
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+
+ for (i = 0; i < 3; i++) {
+ status = cairo_pattern_get_color_stop_rgba (pat, i,
+ &new_buf[i*5+0],
+ &new_buf[i*5+1],
+ &new_buf[i*5+2],
+ &new_buf[i*5+3],
+ &new_buf[i*5+4]);
+ CHECK_SUCCESS;
+ }
+
+ status = cairo_pattern_get_color_stop_rgba (pat, 5, NULL, NULL, NULL, NULL, NULL);
+ if (status != CAIRO_STATUS_INVALID_INDEX) {
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+
+ if (!double_buf_equal (ctx, new_buf, expected_values,
+ ARRAY_LENGTH (expected_values)) != 0)
+ {
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+
+ cairo_pattern_destroy (pat);
+ }
+
+ /* Test radial_get_circles */
+ {
+ double a, b, c, d, e, f;
+ pat = cairo_pattern_create_radial (1, 2, 3,
+ 4, 5, 6);
+
+ status = cairo_pattern_get_radial_circles (pat, &a, &b, &c, &d, &e, &f);
+ CHECK_SUCCESS;
+
+ if (!CAIRO_TEST_DOUBLE_EQUALS(a,1.0) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(b,2.0) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(c,3.0) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(d,4.0) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(e,5.0) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(f,6.0))
+ {
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+
+ cairo_pattern_destroy (pat);
+ }
+
+ /* Test mesh getters */
+ {
+ unsigned int count;
+ int i;
+ pat = cairo_pattern_create_mesh ();
+
+ status = cairo_mesh_pattern_get_patch_count (pat, &count);
+ CHECK_SUCCESS;
+
+ if (count != 0) {
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+
+ cairo_mesh_pattern_begin_patch (pat);
+ cairo_mesh_pattern_move_to (pat, 0, 0);
+ cairo_mesh_pattern_line_to (pat, 0, 3);
+ cairo_mesh_pattern_line_to (pat, 3, 3);
+ cairo_mesh_pattern_line_to (pat, 3, 0);
+
+ status = cairo_mesh_pattern_get_patch_count (pat, &count);
+ CHECK_SUCCESS;
+
+ if (count != 0) {
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+
+ cairo_mesh_pattern_end_patch (pat);
+
+ status = cairo_mesh_pattern_get_patch_count (pat, &count);
+ CHECK_SUCCESS;
+
+ if (count != 1) {
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+
+ for (i = 0; i < 4; i++) {
+ double cp_x[4] = { 1, 1, 2, 2 };
+ double cp_y[4] = { 1, 2, 2, 1 };
+ double x, y;
+
+ status = cairo_mesh_pattern_get_control_point (pat, 0, i, &x, &y);
+ CHECK_SUCCESS;
+
+ if (!CAIRO_TEST_DOUBLE_EQUALS(x,cp_x[i]) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(y,cp_y[i]))
+ {
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+ }
+
+ cairo_mesh_pattern_begin_patch (pat);
+ cairo_mesh_pattern_move_to (pat, 0, 0);
+ cairo_mesh_pattern_line_to (pat, 1, 0);
+ cairo_mesh_pattern_line_to (pat, 1, 1);
+ cairo_mesh_pattern_set_corner_color_rgb (pat, 0, 1, 1, 1);
+ cairo_mesh_pattern_end_patch (pat);
+
+ for (i = 0; i < 4; i++) {
+ double corner_color[4] = { 1, 0, 0, 1 };
+ double a, r, g, b;
+
+ status = cairo_mesh_pattern_get_corner_color_rgba (pat, 1, i,
+ &r, &g, &b, &a);
+ CHECK_SUCCESS;
+
+ if (!CAIRO_TEST_DOUBLE_EQUALS(a,corner_color[i]) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(r,corner_color[i]) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(g,corner_color[i]) ||
+ !CAIRO_TEST_DOUBLE_EQUALS(b,corner_color[i]))
+ {
+ cairo_pattern_destroy (pat);
+ return CAIRO_TEST_FAILURE;
+ }
+ }
+
+ cairo_pattern_destroy (pat);
+ }
+
+ cairo_set_source_rgb (cr, 0, 1, 0);
+ cairo_paint (cr);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (pattern_getters,
+ "Tests calls to pattern getter functions",
+ "pattern, api", /* keywords */
+ NULL, /* requirements */
+ 1, 1,
+ NULL, draw)
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