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3719602c PC |
1 | /* Copyright (C) 2010-2020 The RetroArch team |
2 | * | |
3 | * --------------------------------------------------------------------------------------- | |
4 | * The following license statement only applies to this file (rpng_test.c). | |
5 | * --------------------------------------------------------------------------------------- | |
6 | * | |
7 | * Permission is hereby granted, free of charge, | |
8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), | |
9 | * to deal in the Software without restriction, including without limitation the rights to | |
10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, | |
11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, | |
16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
21 | */ | |
22 | ||
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | #include <stdint.h> | |
26 | #include <string.h> | |
27 | #ifdef HAVE_IMLIB2 | |
28 | #include <Imlib2.h> | |
29 | #endif | |
30 | ||
31 | #include <file/nbio.h> | |
32 | #include <formats/rpng.h> | |
33 | #include <formats/image.h> | |
34 | ||
35 | static bool rpng_load_image_argb(const char *path, uint32_t **data, | |
36 | unsigned *width, unsigned *height) | |
37 | { | |
38 | int retval; | |
39 | size_t file_len; | |
40 | bool ret = true; | |
41 | rpng_t *rpng = NULL; | |
42 | void *ptr = NULL; | |
43 | struct nbio_t* handle = (struct nbio_t*)nbio_open(path, NBIO_READ); | |
44 | ||
45 | if (!handle) | |
46 | goto end; | |
47 | ||
48 | nbio_begin_read(handle); | |
49 | ||
50 | while (!nbio_iterate(handle)); | |
51 | ||
52 | ptr = nbio_get_ptr(handle, &file_len); | |
53 | ||
54 | if (!ptr) | |
55 | { | |
56 | ret = false; | |
57 | goto end; | |
58 | } | |
59 | ||
60 | rpng = rpng_alloc(); | |
61 | ||
62 | if (!rpng) | |
63 | { | |
64 | ret = false; | |
65 | goto end; | |
66 | } | |
67 | ||
68 | if (!rpng_set_buf_ptr(rpng, (uint8_t*)ptr, file_len)) | |
69 | { | |
70 | ret = false; | |
71 | goto end; | |
72 | } | |
73 | ||
74 | if (!rpng_start(rpng)) | |
75 | { | |
76 | ret = false; | |
77 | goto end; | |
78 | } | |
79 | ||
80 | while (rpng_iterate_image(rpng)); | |
81 | ||
82 | if (!rpng_is_valid(rpng)) | |
83 | { | |
84 | ret = false; | |
85 | goto end; | |
86 | } | |
87 | ||
88 | do | |
89 | { | |
90 | retval = rpng_process_image(rpng, | |
91 | (void**)data, file_len, width, height); | |
92 | }while(retval == IMAGE_PROCESS_NEXT); | |
93 | ||
94 | if (retval == IMAGE_PROCESS_ERROR || retval == IMAGE_PROCESS_ERROR_END) | |
95 | ret = false; | |
96 | ||
97 | end: | |
98 | if (handle) | |
99 | nbio_free(handle); | |
100 | if (rpng) | |
101 | rpng_free(rpng); | |
102 | rpng = NULL; | |
103 | if (!ret) | |
104 | free(*data); | |
105 | return ret; | |
106 | } | |
107 | ||
108 | static int test_rpng(const char *in_path) | |
109 | { | |
110 | #ifdef HAVE_IMLIB2 | |
111 | Imlib_Image img; | |
112 | const uint32_t *imlib_data = NULL; | |
113 | #endif | |
114 | const uint32_t test_data[] = { | |
115 | 0xff000000 | 0x50, 0xff000000 | 0x80, | |
116 | 0xff000000 | 0x40, 0xff000000 | 0x88, | |
117 | 0xff000000 | 0x50, 0xff000000 | 0x80, | |
118 | 0xff000000 | 0x40, 0xff000000 | 0x88, | |
119 | 0xff000000 | 0xc3, 0xff000000 | 0xd3, | |
120 | 0xff000000 | 0xc3, 0xff000000 | 0xd3, | |
121 | 0xff000000 | 0xc3, 0xff000000 | 0xd3, | |
122 | 0xff000000 | 0xc3, 0xff000000 | 0xd3, | |
123 | }; | |
124 | uint32_t *data = NULL; | |
125 | unsigned width = 0; | |
126 | unsigned height = 0; | |
127 | ||
128 | if (!rpng_save_image_argb("/tmp/test.png", test_data, 4, 4, 16)) | |
129 | return 1; | |
130 | ||
131 | if (!rpng_load_image_argb(in_path, &data, &width, &height)) | |
132 | return 2; | |
133 | ||
134 | fprintf(stderr, "Path: %s.\n", in_path); | |
135 | fprintf(stderr, "Got image: %u x %u.\n", width, height); | |
136 | ||
137 | #if 0 | |
138 | fprintf(stderr, "\nRPNG:\n"); | |
139 | for (unsigned h = 0; h < height; h++) | |
140 | { | |
141 | unsigned w; | |
142 | for (w = 0; w < width; w++) | |
143 | fprintf(stderr, "[%08x] ", data[h * width + w]); | |
144 | fprintf(stderr, "\n"); | |
145 | } | |
146 | #endif | |
147 | ||
148 | #ifdef HAVE_IMLIB2 | |
149 | /* Validate with imlib2 as well. */ | |
150 | img = imlib_load_image(in_path); | |
151 | if (!img) | |
152 | return 4; | |
153 | ||
154 | imlib_context_set_image(img); | |
155 | ||
156 | width = imlib_image_get_width(); | |
157 | height = imlib_image_get_width(); | |
158 | imlib_data = imlib_image_get_data_for_reading_only(); | |
159 | ||
160 | #if 0 | |
161 | fprintf(stderr, "\nImlib:\n"); | |
162 | for (unsigned h = 0; h < height; h++) | |
163 | { | |
164 | for (unsigned w = 0; w < width; w++) | |
165 | fprintf(stderr, "[%08x] ", imlib_data[h * width + w]); | |
166 | fprintf(stderr, "\n"); | |
167 | } | |
168 | #endif | |
169 | ||
170 | if (memcmp(imlib_data, data, width * height * sizeof(uint32_t)) != 0) | |
171 | { | |
172 | fprintf(stderr, "Imlib and RPNG differs!\n"); | |
173 | return 5; | |
174 | } | |
175 | else | |
176 | fprintf(stderr, "Imlib and RPNG are equivalent!\n"); | |
177 | ||
178 | imlib_free_image(); | |
179 | #endif | |
180 | free(data); | |
181 | ||
182 | return 0; | |
183 | } | |
184 | ||
185 | int main(int argc, char *argv[]) | |
186 | { | |
187 | const char *in_path = "/tmp/test.png"; | |
188 | ||
189 | if (argc > 2) | |
190 | { | |
191 | fprintf(stderr, "Usage: %s <png file>\n", argv[0]); | |
192 | return 1; | |
193 | } | |
194 | ||
195 | if (argc == 2) | |
196 | in_path = argv[1]; | |
197 | ||
198 | fprintf(stderr, "Doing tests...\n"); | |
199 | ||
200 | if (test_rpng(in_path) != 0) | |
201 | { | |
202 | fprintf(stderr, "Test failed.\n"); | |
203 | return -1; | |
204 | } | |
205 | ||
206 | return 0; | |
207 | } |