1 /*
2 * Copyright © 2005 Red Hat, Inc.
3 *
4 * Permission to use, copy, modify, distribute, and sell this software
5 * and its documentation for any purpose is hereby granted without
6 * fee, provided that the above copyright notice appear in all copies
7 * and that both that copyright notice and this permission notice
8 * appear in supporting documentation, and that the name of
9 * Red Hat, Inc. not be used in advertising or publicity pertaining to
10 * distribution of the software without specific, written prior
11 * permission. Red Hat, Inc. makes no representations about the
12 * suitability of this software for any purpose. It is provided "as
13 * is" without express or implied warranty.
14 *
15 * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
18 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
19 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
21 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 *
23 * Author: Carl D. Worth <cworth@cworth.org>
24 */
25
26 #include "cairo-test.h"
27
28 #include <stdio.h>
29
30 #include <cairo.h>
31
32 #if CAIRO_HAS_PS_SURFACE
33 #include <cairo-ps.h>
34 #endif
35
36 #if CAIRO_HAS_PDF_SURFACE
37 #include <cairo-pdf.h>
38 #endif
39
40 /* The PostScript and PDF backends are now integrated into the main
41 * test suite, so we are getting good verification of most things
42 * there.
43 *
44 * One thing that isn't supported there yet is multi-page output. So,
45 * for now we have this one-off test. There's no automatic
46 * verififcation here yet, but you can manually view the output to
47 * make sure it looks happy.
48 */
49
50 #define WIDTH_IN_INCHES 3
51 #define HEIGHT_IN_INCHES 3
52 #define WIDTH_IN_POINTS (WIDTH_IN_INCHES * 72.0)
53 #define HEIGHT_IN_POINTS (HEIGHT_IN_INCHES * 72.0)
54 #define BASENAME "multi-page.out"
55
56 static void
draw_smiley(cairo_t * cr,double width,double height,double smile_ratio)57 draw_smiley (cairo_t *cr, double width, double height, double smile_ratio)
58 {
59 #define STROKE_WIDTH .04
60 double size;
61
62 double theta = M_PI / 4 * smile_ratio;
63 double dx = sqrt (0.005) * cos (theta);
64 double dy = sqrt (0.005) * sin (theta);
65
66 cairo_save (cr);
67
68 if (width > height)
69 size = height;
70 else
71 size = width;
72
73 cairo_translate (cr, (width - size) / 2.0, (height - size) / 2.0);
74 cairo_scale (cr, size, size);
75
76 /* Fill face */
77 cairo_arc (cr, 0.5, 0.5, 0.5 - STROKE_WIDTH, 0, 2 * M_PI);
78 cairo_set_source_rgb (cr, 1, 1, 0);
79 cairo_fill_preserve (cr);
80
81 cairo_set_source_rgb (cr, 0, 0, 0);
82
83 /* Stroke face */
84 cairo_set_line_width (cr, STROKE_WIDTH / 2.0);
85 cairo_stroke (cr);
86
87 /* Eyes */
88 cairo_set_line_width (cr, STROKE_WIDTH);
89 cairo_arc (cr, 0.3, 0.4, STROKE_WIDTH, 0, 2 * M_PI);
90 cairo_fill (cr);
91 cairo_arc (cr, 0.7, 0.4, STROKE_WIDTH, 0, 2 * M_PI);
92 cairo_fill (cr);
93
94 /* Mouth */
95 cairo_move_to (cr,
96 0.35 - dx, 0.75 - dy);
97 cairo_curve_to (cr,
98 0.35 + dx, 0.75 + dy,
99 0.65 - dx, 0.75 + dy,
100 0.65 + dx, 0.75 - dy);
101 cairo_stroke (cr);
102
103 cairo_restore (cr);
104 }
105
106 static void
draw_some_pages(cairo_surface_t * surface)107 draw_some_pages (cairo_surface_t *surface)
108 {
109 cairo_t *cr;
110 int i;
111
112 cr = cairo_create (surface);
113
114 #define NUM_FRAMES 5
115 for (i=0; i < NUM_FRAMES; i++) {
116 draw_smiley (cr, WIDTH_IN_POINTS, HEIGHT_IN_POINTS,
117 (double) i / (NUM_FRAMES - 1));
118
119 /* Duplicate the last frame onto another page. (This is just a
120 * way to sneak cairo_copy_page into the test).
121 */
122 if (i == (NUM_FRAMES - 1))
123 cairo_copy_page (cr);
124
125 cairo_show_page (cr);
126 }
127
128 cairo_destroy (cr);
129 }
130
131 static cairo_test_status_t
preamble(cairo_test_context_t * ctx)132 preamble (cairo_test_context_t *ctx)
133 {
134 cairo_surface_t *surface;
135 cairo_status_t status;
136 char *filename;
137 cairo_test_status_t result = CAIRO_TEST_UNTESTED;
138 const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : ".";
139
140 #if CAIRO_HAS_PS_SURFACE
141 if (cairo_test_is_target_enabled (ctx, "ps2") ||
142 cairo_test_is_target_enabled (ctx, "ps3"))
143 {
144 if (result == CAIRO_TEST_UNTESTED)
145 result = CAIRO_TEST_SUCCESS;
146
147 xasprintf (&filename, "%s/%s", path, BASENAME ".ps");
148 surface = cairo_ps_surface_create (filename,
149 WIDTH_IN_POINTS, HEIGHT_IN_POINTS);
150 status = cairo_surface_status (surface);
151 if (status) {
152 cairo_test_log (ctx, "Failed to create ps surface for file %s: %s\n",
153 filename, cairo_status_to_string (status));
154 result = CAIRO_TEST_FAILURE;
155 }
156
157 draw_some_pages (surface);
158
159 cairo_surface_destroy (surface);
160
161 printf ("multi-page: Please check %s to ensure it looks happy.\n", filename);
162 free (filename);
163 }
164 #endif
165
166 #if CAIRO_HAS_PDF_SURFACE
167 if (cairo_test_is_target_enabled (ctx, "pdf")) {
168 if (result == CAIRO_TEST_UNTESTED)
169 result = CAIRO_TEST_SUCCESS;
170
171 xasprintf (&filename, "%s/%s", path, BASENAME ".pdf");
172 surface = cairo_pdf_surface_create (filename,
173 WIDTH_IN_POINTS, HEIGHT_IN_POINTS);
174 status = cairo_surface_status (surface);
175 if (status) {
176 cairo_test_log (ctx, "Failed to create pdf surface for file %s: %s\n",
177 filename, cairo_status_to_string (status));
178 result = CAIRO_TEST_FAILURE;
179 }
180
181 draw_some_pages (surface);
182
183 cairo_surface_destroy (surface);
184
185 printf ("multi-page: Please check %s to ensure it looks happy.\n", filename);
186 free (filename);
187 }
188 #endif
189
190 return result;
191 }
192
193 CAIRO_TEST (multi_page,
194 "Check the paginated surfaces handle multiple pages.",
195 "paginated", /* keywords */
196 "target=vector", /* requirements */
197 0, 0,
198 preamble, NULL)
199