1 /*
2  * Copyright 2010 Igor Nikitin
3  *
4  * Permission is hereby granted, free of charge, to any person
5  * obtaining a copy of this software and associated documentation
6  * files (the "Software"), to deal in the Software without
7  * restriction, including without limitation the rights to use, copy,
8  * modify, merge, publish, distribute, sublicense, and/or sell copies
9  * of the Software, and to permit persons to whom the Software is
10  * furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be
13  * included in all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  *
24  * Author: Igor Nikitin <igor_nikitin@valentina-db.com>
25  */
26 
27 #include "cairo-test.h"
28 
29 #define HEIGHT 15
30 #define WIDTH 40
31 
background(cairo_t * cr)32 static void background (cairo_t *cr)
33 {
34      cairo_set_source_rgb( cr, 0, 0, 0 );
35      cairo_paint (cr);
36 }
37 
text(cairo_t * cr)38 static void text (cairo_t *cr)
39 {
40      cairo_move_to (cr, 0, 12);
41      cairo_set_source_rgb (cr, 1, 1, 1);
42      cairo_show_text (cr, "CAIRO");
43 }
44 
45 static cairo_test_status_t
top(cairo_t * cr,int width,int height)46 top (cairo_t *cr, int width, int height)
47 {
48      background (cr);
49 
50      cairo_rectangle (cr, 0, 0, WIDTH, 5);
51      cairo_clip (cr);
52 
53      text (cr);
54 
55      return CAIRO_TEST_SUCCESS;
56 }
57 
58 static cairo_test_status_t
bottom(cairo_t * cr,int width,int height)59 bottom (cairo_t *cr, int width, int height)
60 {
61      background (cr);
62 
63      cairo_rectangle (cr, 0, HEIGHT-5, WIDTH, 5);
64      cairo_clip (cr);
65 
66      text (cr);
67 
68      return CAIRO_TEST_SUCCESS;
69 }
70 
71 static cairo_test_status_t
left(cairo_t * cr,int width,int height)72 left (cairo_t *cr, int width, int height)
73 {
74      background (cr);
75 
76      cairo_rectangle (cr, 0, 0, 10, HEIGHT);
77      cairo_clip (cr);
78 
79      text (cr);
80 
81      return CAIRO_TEST_SUCCESS;
82 }
83 
84 static cairo_test_status_t
right(cairo_t * cr,int width,int height)85 right (cairo_t *cr, int width, int height)
86 {
87      background (cr);
88 
89      cairo_rectangle (cr, WIDTH-10, 0, 10, HEIGHT);
90      cairo_clip (cr);
91 
92      text (cr);
93 
94      return CAIRO_TEST_SUCCESS;
95 }
96 
97 CAIRO_TEST (partial_clip_text_top,
98 	    "Tests drawing text through a single, partial clip.",
99 	    "clip, text", /* keywords */
100 	    NULL, /* requirements */
101 	    WIDTH, HEIGHT,
102 	    NULL, top)
103 CAIRO_TEST (partial_clip_text_bottom,
104 	    "Tests drawing text through a single, partial clip.",
105 	    "clip, text", /* keywords */
106 	    NULL, /* requirements */
107 	    WIDTH, HEIGHT,
108 	    NULL, bottom)
109 CAIRO_TEST (partial_clip_text_left,
110 	    "Tests drawing text through a single, partial clip.",
111 	    "clip, text", /* keywords */
112 	    NULL, /* requirements */
113 	    WIDTH, HEIGHT,
114 	    NULL, left)
115 CAIRO_TEST (partial_clip_text_right,
116 	    "Tests drawing text through a single, partial clip.",
117 	    "clip, text", /* keywords */
118 	    NULL, /* requirements */
119 	    WIDTH, HEIGHT,
120 	    NULL, right)
121