diff options
author | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
commit | 530ffd0b7d3c39757b20f00716e486b5caf89aff (patch) | |
tree | 76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/test/pattern-getters.c | |
parent | 3dbe9332e47c143a237db12440f134caebd1cfbe (diff) |
add cairo
Diffstat (limited to 'libs/cairo-1.16.0/test/pattern-getters.c')
-rw-r--r-- | libs/cairo-1.16.0/test/pattern-getters.c | 279 |
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 new file mode 100644 index 0000000..08508d7 --- /dev/null +++ b/libs/cairo-1.16.0/test/pattern-getters.c @@ -0,0 +1,279 @@ +/* -*- 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) |