1 /* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
2 /*
3  * Copyright © 2005 Red Hat, Inc.
4  *
5  * Permission to use, copy, modify, distribute, and sell this software
6  * and its documentation for any purpose is hereby granted without
7  * fee, provided that the above copyright notice appear in all copies
8  * and that both that copyright notice and this permission notice
9  * appear in supporting documentation, and that the name of
10  * Red Hat, Inc. not be used in advertising or publicity pertaining to
11  * distribution of the software without specific, written prior
12  * permission. Red Hat, Inc. makes no representations about the
13  * suitability of this software for any purpose.  It is provided "as
14  * is" without express or implied warranty.
15  *
16  * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
17  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
18  * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
19  * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
20  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
21  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
22  * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23  *
24  * Author: Carl D. Worth <cworth@cworth.org>
25  */
26 
27 #include "cairo-test.h"
28 
29 typedef struct {
30     cairo_operator_t op;
31     double tolerance;
32     cairo_fill_rule_t fill_rule;
33     double line_width;
34     cairo_line_cap_t line_cap;
35     cairo_line_join_t line_join;
36     double miter_limit;
37     cairo_matrix_t matrix;
38     double dash[5];
39     double dash_offset;
40 } settings_t;
41 
42 /* Two sets of settings, no defaults */
43 static const settings_t settings[] = {
44     {
45 	CAIRO_OPERATOR_IN,
46 	2.0,
47 	CAIRO_FILL_RULE_EVEN_ODD,
48 	7.7,
49 	CAIRO_LINE_CAP_SQUARE,
50 	CAIRO_LINE_JOIN_ROUND,
51 	3.14,
52 	{2.0, 0.0, 0.0, 2.0, 5.0, 5.0},
53 	{0.1, 0.2, 0.3, 0.4, 0.5},
54 	2.0
55     },
56     {
57 	CAIRO_OPERATOR_ATOP,
58 	5.25,
59 	CAIRO_FILL_RULE_WINDING,
60 	2.17,
61 	CAIRO_LINE_CAP_ROUND,
62 	CAIRO_LINE_JOIN_BEVEL,
63 	1000.0,
64 	{-3.0, 1.0, 1.0, -3.0, -4, -4},
65 	{1.0, 2.0, 3.0, 4.0, 5.0},
66 	3.0
67     }
68 };
69 
70 static void
settings_set(cairo_t * cr,const settings_t * settings)71 settings_set (cairo_t *cr, const settings_t *settings)
72 {
73     cairo_set_operator (cr, settings->op);
74     cairo_set_tolerance (cr, settings->tolerance);
75     cairo_set_fill_rule (cr, settings->fill_rule);
76     cairo_set_line_width (cr, settings->line_width);
77     cairo_set_line_cap (cr, settings->line_cap);
78     cairo_set_line_join (cr, settings->line_join);
79     cairo_set_miter_limit (cr, settings->miter_limit);
80     cairo_set_matrix (cr, &settings->matrix);
81     cairo_set_dash (cr, settings->dash, 5, settings->dash_offset);
82 }
83 
84 static int
settings_get(cairo_t * cr,settings_t * settings)85 settings_get (cairo_t *cr, settings_t *settings)
86 {
87     int count;
88 
89     settings->op = cairo_get_operator (cr);
90     settings->tolerance = cairo_get_tolerance (cr);
91     settings->fill_rule = cairo_get_fill_rule (cr);
92     settings->line_width = cairo_get_line_width (cr);
93     settings->line_cap = cairo_get_line_cap (cr);
94     settings->line_join = cairo_get_line_join (cr);
95     settings->miter_limit = cairo_get_miter_limit (cr);
96     cairo_get_matrix (cr, &settings->matrix);
97 
98     count = cairo_get_dash_count (cr);
99     if (count != 5)
100 	return -1;
101 
102     cairo_get_dash (cr, settings->dash, &settings->dash_offset);
103 
104     return 0;
105 }
106 
107 static int
settings_equal(const settings_t * a,const settings_t * b)108 settings_equal (const settings_t *a, const settings_t *b)
109 {
110     return (a->op == b->op &&
111 	    a->tolerance == b->tolerance &&
112 	    a->fill_rule == b->fill_rule &&
113 	    a->line_width == b->line_width &&
114 	    a->line_cap == b->line_cap &&
115 	    a->line_join == b->line_join &&
116 	    a->miter_limit == b->miter_limit &&
117 	    a->matrix.xx == b->matrix.xx &&
118 	    a->matrix.xy == b->matrix.xy &&
119 	    a->matrix.x0 == b->matrix.x0 &&
120 	    a->matrix.yx == b->matrix.yx &&
121 	    a->matrix.yy == b->matrix.yy &&
122 	    a->matrix.y0 == b->matrix.y0 &&
123 	    memcmp(a->dash, b->dash, sizeof(a->dash)) == 0 &&
124 	    a->dash_offset == b->dash_offset);
125 }
126 
127 static cairo_test_status_t
draw(cairo_t * cr,int width,int height)128 draw (cairo_t *cr, int width, int height)
129 {
130     settings_t check;
131 
132     settings_set (cr, &settings[0]);
133 
134     cairo_save (cr);
135     {
136 	settings_set (cr, &settings[1]);
137 	if (settings_get (cr, &check))
138 	    return CAIRO_TEST_FAILURE;
139 
140 	if (!settings_equal (&settings[1], &check))
141 	    return CAIRO_TEST_FAILURE;
142     }
143     cairo_restore (cr);
144 
145     if (settings_get (cr, &check))
146 	return CAIRO_TEST_FAILURE;
147 
148     if (!settings_equal (&settings[0], &check))
149 	return CAIRO_TEST_FAILURE;
150 
151     return CAIRO_TEST_SUCCESS;
152 }
153 
154 CAIRO_TEST (get_and_set,
155 	    "Tests calls to the most trivial cairo_get and cairo_set functions",
156 	    "api", /* keywords */
157 	    NULL, /* requirements */
158 	    0, 0,
159 	    NULL, draw)
160