Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_image_filter_module.c @ 7096:6b6e15bbda92
release-1.13.5 tag
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 05 Sep 2017 17:59:31 +0300 |
parents | 99934aade555 |
children |
rev | line source |
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2788 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
2788 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
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11 |
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12 #include <gd.h> |
2788 | 13 |
14 | |
15 #define NGX_HTTP_IMAGE_OFF 0 | |
16 #define NGX_HTTP_IMAGE_TEST 1 | |
17 #define NGX_HTTP_IMAGE_SIZE 2 | |
18 #define NGX_HTTP_IMAGE_RESIZE 3 | |
19 #define NGX_HTTP_IMAGE_CROP 4 | |
3878 | 20 #define NGX_HTTP_IMAGE_ROTATE 5 |
2788 | 21 |
22 | |
23 #define NGX_HTTP_IMAGE_START 0 | |
24 #define NGX_HTTP_IMAGE_READ 1 | |
25 #define NGX_HTTP_IMAGE_PROCESS 2 | |
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26 #define NGX_HTTP_IMAGE_PASS 3 |
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27 #define NGX_HTTP_IMAGE_DONE 4 |
2788 | 28 |
29 | |
30 #define NGX_HTTP_IMAGE_NONE 0 | |
31 #define NGX_HTTP_IMAGE_JPEG 1 | |
32 #define NGX_HTTP_IMAGE_GIF 2 | |
33 #define NGX_HTTP_IMAGE_PNG 3 | |
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34 #define NGX_HTTP_IMAGE_WEBP 4 |
2788 | 35 |
36 | |
37 #define NGX_HTTP_IMAGE_BUFFERED 0x08 | |
38 | |
39 | |
40 typedef struct { | |
41 ngx_uint_t filter; | |
42 ngx_uint_t width; | |
43 ngx_uint_t height; | |
3878 | 44 ngx_uint_t angle; |
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45 ngx_uint_t jpeg_quality; |
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46 ngx_uint_t webp_quality; |
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47 ngx_uint_t sharpen; |
2788 | 48 |
3134 | 49 ngx_flag_t transparency; |
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50 ngx_flag_t interlace; |
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52 ngx_http_complex_value_t *wcv; |
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53 ngx_http_complex_value_t *hcv; |
3878 | 54 ngx_http_complex_value_t *acv; |
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55 ngx_http_complex_value_t *jqcv; |
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56 ngx_http_complex_value_t *wqcv; |
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57 ngx_http_complex_value_t *shcv; |
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58 |
2788 | 59 size_t buffer_size; |
60 } ngx_http_image_filter_conf_t; | |
61 | |
62 | |
63 typedef struct { | |
64 u_char *image; | |
65 u_char *last; | |
66 | |
67 size_t length; | |
68 | |
69 ngx_uint_t width; | |
70 ngx_uint_t height; | |
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71 ngx_uint_t max_width; |
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72 ngx_uint_t max_height; |
3878 | 73 ngx_uint_t angle; |
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74 |
2788 | 75 ngx_uint_t phase; |
76 ngx_uint_t type; | |
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77 ngx_uint_t force; |
2788 | 78 } ngx_http_image_filter_ctx_t; |
79 | |
80 | |
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81 static ngx_int_t ngx_http_image_send(ngx_http_request_t *r, |
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82 ngx_http_image_filter_ctx_t *ctx, ngx_chain_t *in); |
2788 | 83 static ngx_uint_t ngx_http_image_test(ngx_http_request_t *r, ngx_chain_t *in); |
84 static ngx_int_t ngx_http_image_read(ngx_http_request_t *r, ngx_chain_t *in); | |
85 static ngx_buf_t *ngx_http_image_process(ngx_http_request_t *r); | |
86 static ngx_buf_t *ngx_http_image_json(ngx_http_request_t *r, | |
87 ngx_http_image_filter_ctx_t *ctx); | |
88 static ngx_buf_t *ngx_http_image_asis(ngx_http_request_t *r, | |
89 ngx_http_image_filter_ctx_t *ctx); | |
90 static void ngx_http_image_length(ngx_http_request_t *r, ngx_buf_t *b); | |
91 static ngx_int_t ngx_http_image_size(ngx_http_request_t *r, | |
92 ngx_http_image_filter_ctx_t *ctx); | |
93 | |
94 static ngx_buf_t *ngx_http_image_resize(ngx_http_request_t *r, | |
95 ngx_http_image_filter_ctx_t *ctx); | |
96 static gdImagePtr ngx_http_image_source(ngx_http_request_t *r, | |
97 ngx_http_image_filter_ctx_t *ctx); | |
98 static gdImagePtr ngx_http_image_new(ngx_http_request_t *r, int w, int h, | |
99 int colors); | |
100 static u_char *ngx_http_image_out(ngx_http_request_t *r, ngx_uint_t type, | |
101 gdImagePtr img, int *size); | |
102 static void ngx_http_image_cleanup(void *data); | |
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103 static ngx_uint_t ngx_http_image_filter_get_value(ngx_http_request_t *r, |
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104 ngx_http_complex_value_t *cv, ngx_uint_t v); |
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105 static ngx_uint_t ngx_http_image_filter_value(ngx_str_t *value); |
2788 | 106 |
107 | |
108 static void *ngx_http_image_filter_create_conf(ngx_conf_t *cf); | |
109 static char *ngx_http_image_filter_merge_conf(ngx_conf_t *cf, void *parent, | |
110 void *child); | |
111 static char *ngx_http_image_filter(ngx_conf_t *cf, ngx_command_t *cmd, | |
112 void *conf); | |
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113 static char *ngx_http_image_filter_jpeg_quality(ngx_conf_t *cf, |
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114 ngx_command_t *cmd, void *conf); |
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115 static char *ngx_http_image_filter_webp_quality(ngx_conf_t *cf, |
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116 ngx_command_t *cmd, void *conf); |
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117 static char *ngx_http_image_filter_sharpen(ngx_conf_t *cf, ngx_command_t *cmd, |
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118 void *conf); |
2788 | 119 static ngx_int_t ngx_http_image_filter_init(ngx_conf_t *cf); |
120 | |
121 | |
122 static ngx_command_t ngx_http_image_filter_commands[] = { | |
123 | |
124 { ngx_string("image_filter"), | |
4307 | 125 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, |
2788 | 126 ngx_http_image_filter, |
127 NGX_HTTP_LOC_CONF_OFFSET, | |
128 0, | |
129 NULL }, | |
130 | |
2848 | 131 { ngx_string("image_filter_jpeg_quality"), |
132 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
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133 ngx_http_image_filter_jpeg_quality, |
2848 | 134 NGX_HTTP_LOC_CONF_OFFSET, |
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135 0, |
2848 | 136 NULL }, |
137 | |
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138 { ngx_string("image_filter_webp_quality"), |
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139 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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140 ngx_http_image_filter_webp_quality, |
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141 NGX_HTTP_LOC_CONF_OFFSET, |
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142 0, |
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143 NULL }, |
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144 |
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145 { ngx_string("image_filter_sharpen"), |
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146 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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147 ngx_http_image_filter_sharpen, |
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148 NGX_HTTP_LOC_CONF_OFFSET, |
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149 0, |
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150 NULL }, |
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151 |
3134 | 152 { ngx_string("image_filter_transparency"), |
153 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
154 ngx_conf_set_flag_slot, | |
155 NGX_HTTP_LOC_CONF_OFFSET, | |
156 offsetof(ngx_http_image_filter_conf_t, transparency), | |
157 NULL }, | |
158 | |
6474 | 159 { ngx_string("image_filter_interlace"), |
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160 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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161 ngx_conf_set_flag_slot, |
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162 NGX_HTTP_LOC_CONF_OFFSET, |
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163 offsetof(ngx_http_image_filter_conf_t, interlace), |
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164 NULL }, |
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165 |
2788 | 166 { ngx_string("image_filter_buffer"), |
167 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
168 ngx_conf_set_size_slot, | |
169 NGX_HTTP_LOC_CONF_OFFSET, | |
170 offsetof(ngx_http_image_filter_conf_t, buffer_size), | |
171 NULL }, | |
172 | |
173 ngx_null_command | |
174 }; | |
175 | |
176 | |
177 static ngx_http_module_t ngx_http_image_filter_module_ctx = { | |
178 NULL, /* preconfiguration */ | |
179 ngx_http_image_filter_init, /* postconfiguration */ | |
180 | |
181 NULL, /* create main configuration */ | |
182 NULL, /* init main configuration */ | |
183 | |
184 NULL, /* create server configuration */ | |
185 NULL, /* merge server configuration */ | |
186 | |
187 ngx_http_image_filter_create_conf, /* create location configuration */ | |
188 ngx_http_image_filter_merge_conf /* merge location configuration */ | |
189 }; | |
190 | |
191 | |
192 ngx_module_t ngx_http_image_filter_module = { | |
193 NGX_MODULE_V1, | |
194 &ngx_http_image_filter_module_ctx, /* module context */ | |
195 ngx_http_image_filter_commands, /* module directives */ | |
196 NGX_HTTP_MODULE, /* module type */ | |
197 NULL, /* init master */ | |
198 NULL, /* init module */ | |
199 NULL, /* init process */ | |
200 NULL, /* init thread */ | |
201 NULL, /* exit thread */ | |
202 NULL, /* exit process */ | |
203 NULL, /* exit master */ | |
204 NGX_MODULE_V1_PADDING | |
205 }; | |
206 | |
207 | |
208 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; | |
209 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; | |
210 | |
211 | |
212 static ngx_str_t ngx_http_image_types[] = { | |
213 ngx_string("image/jpeg"), | |
214 ngx_string("image/gif"), | |
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215 ngx_string("image/png"), |
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216 ngx_string("image/webp") |
2788 | 217 }; |
218 | |
219 | |
220 static ngx_int_t | |
221 ngx_http_image_header_filter(ngx_http_request_t *r) | |
222 { | |
223 off_t len; | |
224 ngx_http_image_filter_ctx_t *ctx; | |
225 ngx_http_image_filter_conf_t *conf; | |
226 | |
227 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED) { | |
228 return ngx_http_next_header_filter(r); | |
229 } | |
230 | |
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231 ctx = ngx_http_get_module_ctx(r, ngx_http_image_filter_module); |
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232 |
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233 if (ctx) { |
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234 ngx_http_set_ctx(r, NULL, ngx_http_image_filter_module); |
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235 return ngx_http_next_header_filter(r); |
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236 } |
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237 |
2788 | 238 conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); |
239 | |
240 if (conf->filter == NGX_HTTP_IMAGE_OFF) { | |
241 return ngx_http_next_header_filter(r); | |
242 } | |
243 | |
244 if (r->headers_out.content_type.len | |
245 >= sizeof("multipart/x-mixed-replace") - 1 | |
246 && ngx_strncasecmp(r->headers_out.content_type.data, | |
247 (u_char *) "multipart/x-mixed-replace", | |
248 sizeof("multipart/x-mixed-replace") - 1) | |
249 == 0) | |
250 { | |
251 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
252 "image filter: multipart/x-mixed-replace response"); | |
253 | |
254 return NGX_ERROR; | |
255 } | |
256 | |
257 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_image_filter_ctx_t)); | |
258 if (ctx == NULL) { | |
259 return NGX_ERROR; | |
260 } | |
261 | |
262 ngx_http_set_ctx(r, ctx, ngx_http_image_filter_module); | |
263 | |
264 len = r->headers_out.content_length_n; | |
265 | |
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266 if (len != -1 && len > (off_t) conf->buffer_size) { |
2788 | 267 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
268 "image filter: too big response: %O", len); | |
269 | |
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270 return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; |
2788 | 271 } |
272 | |
273 if (len == -1) { | |
274 ctx->length = conf->buffer_size; | |
275 | |
276 } else { | |
277 ctx->length = (size_t) len; | |
278 } | |
279 | |
280 if (r->headers_out.refresh) { | |
281 r->headers_out.refresh->hash = 0; | |
282 } | |
283 | |
284 r->main_filter_need_in_memory = 1; | |
285 r->allow_ranges = 0; | |
286 | |
287 return NGX_OK; | |
288 } | |
289 | |
290 | |
291 static ngx_int_t | |
292 ngx_http_image_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
293 { | |
294 ngx_int_t rc; | |
295 ngx_str_t *ct; | |
296 ngx_chain_t out; | |
297 ngx_http_image_filter_ctx_t *ctx; | |
298 ngx_http_image_filter_conf_t *conf; | |
299 | |
300 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "image filter"); | |
301 | |
302 if (in == NULL) { | |
303 return ngx_http_next_body_filter(r, in); | |
304 } | |
305 | |
306 ctx = ngx_http_get_module_ctx(r, ngx_http_image_filter_module); | |
307 | |
308 if (ctx == NULL) { | |
309 return ngx_http_next_body_filter(r, in); | |
310 } | |
311 | |
312 switch (ctx->phase) { | |
313 | |
314 case NGX_HTTP_IMAGE_START: | |
315 | |
316 ctx->type = ngx_http_image_test(r, in); | |
317 | |
318 conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); | |
319 | |
320 if (ctx->type == NGX_HTTP_IMAGE_NONE) { | |
321 | |
322 if (conf->filter == NGX_HTTP_IMAGE_SIZE) { | |
323 out.buf = ngx_http_image_json(r, NULL); | |
324 | |
325 if (out.buf) { | |
326 out.next = NULL; | |
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327 ctx->phase = NGX_HTTP_IMAGE_DONE; |
2788 | 328 |
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329 return ngx_http_image_send(r, ctx, &out); |
2788 | 330 } |
331 } | |
332 | |
333 return ngx_http_filter_finalize_request(r, | |
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334 &ngx_http_image_filter_module, |
2788 | 335 NGX_HTTP_UNSUPPORTED_MEDIA_TYPE); |
336 } | |
337 | |
338 /* override content type */ | |
339 | |
340 ct = &ngx_http_image_types[ctx->type - 1]; | |
341 r->headers_out.content_type_len = ct->len; | |
342 r->headers_out.content_type = *ct; | |
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343 r->headers_out.content_type_lowcase = NULL; |
2788 | 344 |
345 if (conf->filter == NGX_HTTP_IMAGE_TEST) { | |
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346 ctx->phase = NGX_HTTP_IMAGE_PASS; |
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347 |
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348 return ngx_http_image_send(r, ctx, in); |
2788 | 349 } |
350 | |
351 ctx->phase = NGX_HTTP_IMAGE_READ; | |
352 | |
353 /* fall through */ | |
354 | |
355 case NGX_HTTP_IMAGE_READ: | |
356 | |
357 rc = ngx_http_image_read(r, in); | |
358 | |
359 if (rc == NGX_AGAIN) { | |
360 return NGX_OK; | |
361 } | |
362 | |
363 if (rc == NGX_ERROR) { | |
364 return ngx_http_filter_finalize_request(r, | |
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365 &ngx_http_image_filter_module, |
2788 | 366 NGX_HTTP_UNSUPPORTED_MEDIA_TYPE); |
367 } | |
368 | |
369 /* fall through */ | |
370 | |
371 case NGX_HTTP_IMAGE_PROCESS: | |
372 | |
373 out.buf = ngx_http_image_process(r); | |
374 | |
375 if (out.buf == NULL) { | |
376 return ngx_http_filter_finalize_request(r, | |
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377 &ngx_http_image_filter_module, |
2788 | 378 NGX_HTTP_UNSUPPORTED_MEDIA_TYPE); |
379 } | |
380 | |
381 out.next = NULL; | |
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382 ctx->phase = NGX_HTTP_IMAGE_PASS; |
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383 |
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384 return ngx_http_image_send(r, ctx, &out); |
2788 | 385 |
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386 case NGX_HTTP_IMAGE_PASS: |
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387 |
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388 return ngx_http_next_body_filter(r, in); |
2788 | 389 |
390 default: /* NGX_HTTP_IMAGE_DONE */ | |
391 | |
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392 rc = ngx_http_next_body_filter(r, NULL); |
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393 |
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394 /* NGX_ERROR resets any pending data */ |
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395 return (rc == NGX_OK) ? NGX_ERROR : rc; |
2788 | 396 } |
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397 } |
2788 | 398 |
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399 |
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400 static ngx_int_t |
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401 ngx_http_image_send(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx, |
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402 ngx_chain_t *in) |
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403 { |
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404 ngx_int_t rc; |
2788 | 405 |
406 rc = ngx_http_next_header_filter(r); | |
407 | |
408 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
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409 return NGX_ERROR; |
2788 | 410 } |
411 | |
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412 rc = ngx_http_next_body_filter(r, in); |
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413 |
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414 if (ctx->phase == NGX_HTTP_IMAGE_DONE) { |
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415 /* NGX_ERROR resets any pending data */ |
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416 return (rc == NGX_OK) ? NGX_ERROR : rc; |
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417 } |
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418 |
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419 return rc; |
2788 | 420 } |
421 | |
422 | |
423 static ngx_uint_t | |
424 ngx_http_image_test(ngx_http_request_t *r, ngx_chain_t *in) | |
425 { | |
426 u_char *p; | |
427 | |
428 p = in->buf->pos; | |
429 | |
430 if (in->buf->last - p < 16) { | |
431 return NGX_HTTP_IMAGE_NONE; | |
432 } | |
433 | |
434 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
435 "image filter: \"%c%c\"", p[0], p[1]); | |
436 | |
437 if (p[0] == 0xff && p[1] == 0xd8) { | |
438 | |
439 /* JPEG */ | |
440 | |
441 return NGX_HTTP_IMAGE_JPEG; | |
442 | |
443 } else if (p[0] == 'G' && p[1] == 'I' && p[2] == 'F' && p[3] == '8' | |
2918 | 444 && p[5] == 'a') |
2788 | 445 { |
2918 | 446 if (p[4] == '9' || p[4] == '7') { |
447 /* GIF */ | |
448 return NGX_HTTP_IMAGE_GIF; | |
449 } | |
2788 | 450 |
451 } else if (p[0] == 0x89 && p[1] == 'P' && p[2] == 'N' && p[3] == 'G' | |
452 && p[4] == 0x0d && p[5] == 0x0a && p[6] == 0x1a && p[7] == 0x0a) | |
453 { | |
454 /* PNG */ | |
455 | |
456 return NGX_HTTP_IMAGE_PNG; | |
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457 |
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458 } else if (p[0] == 'R' && p[1] == 'I' && p[2] == 'F' && p[3] == 'F' |
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459 && p[8] == 'W' && p[9] == 'E' && p[10] == 'B' && p[11] == 'P') |
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460 { |
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461 /* WebP */ |
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462 |
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463 return NGX_HTTP_IMAGE_WEBP; |
2788 | 464 } |
465 | |
466 return NGX_HTTP_IMAGE_NONE; | |
467 } | |
468 | |
469 | |
470 static ngx_int_t | |
471 ngx_http_image_read(ngx_http_request_t *r, ngx_chain_t *in) | |
472 { | |
473 u_char *p; | |
474 size_t size, rest; | |
475 ngx_buf_t *b; | |
476 ngx_chain_t *cl; | |
477 ngx_http_image_filter_ctx_t *ctx; | |
478 | |
479 ctx = ngx_http_get_module_ctx(r, ngx_http_image_filter_module); | |
480 | |
481 if (ctx->image == NULL) { | |
482 ctx->image = ngx_palloc(r->pool, ctx->length); | |
483 if (ctx->image == NULL) { | |
484 return NGX_ERROR; | |
485 } | |
486 | |
487 ctx->last = ctx->image; | |
488 } | |
489 | |
490 p = ctx->last; | |
491 | |
492 for (cl = in; cl; cl = cl->next) { | |
493 | |
494 b = cl->buf; | |
495 size = b->last - b->pos; | |
496 | |
497 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
498 "image buf: %uz", size); | |
499 | |
500 rest = ctx->image + ctx->length - p; | |
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501 |
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502 if (size > rest) { |
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503 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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504 "image filter: too big response"); |
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505 return NGX_ERROR; |
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506 } |
2788 | 507 |
508 p = ngx_cpymem(p, b->pos, size); | |
509 b->pos += size; | |
510 | |
511 if (b->last_buf) { | |
512 ctx->last = p; | |
513 return NGX_OK; | |
514 } | |
515 } | |
516 | |
517 ctx->last = p; | |
518 r->connection->buffered |= NGX_HTTP_IMAGE_BUFFERED; | |
519 | |
520 return NGX_AGAIN; | |
521 } | |
522 | |
523 | |
524 static ngx_buf_t * | |
525 ngx_http_image_process(ngx_http_request_t *r) | |
526 { | |
527 ngx_int_t rc; | |
528 ngx_http_image_filter_ctx_t *ctx; | |
529 ngx_http_image_filter_conf_t *conf; | |
530 | |
531 r->connection->buffered &= ~NGX_HTTP_IMAGE_BUFFERED; | |
532 | |
533 ctx = ngx_http_get_module_ctx(r, ngx_http_image_filter_module); | |
534 | |
535 rc = ngx_http_image_size(r, ctx); | |
536 | |
537 conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); | |
538 | |
539 if (conf->filter == NGX_HTTP_IMAGE_SIZE) { | |
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540 return ngx_http_image_json(r, rc == NGX_OK ? ctx : NULL); |
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541 } |
2788 | 542 |
3878 | 543 ctx->angle = ngx_http_image_filter_get_value(r, conf->acv, conf->angle); |
544 | |
545 if (conf->filter == NGX_HTTP_IMAGE_ROTATE) { | |
546 | |
547 if (ctx->angle != 90 && ctx->angle != 180 && ctx->angle != 270) { | |
548 return NULL; | |
549 } | |
550 | |
551 return ngx_http_image_resize(r, ctx); | |
552 } | |
553 | |
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554 ctx->max_width = ngx_http_image_filter_get_value(r, conf->wcv, conf->width); |
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555 if (ctx->max_width == 0) { |
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556 return NULL; |
2788 | 557 } |
558 | |
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559 ctx->max_height = ngx_http_image_filter_get_value(r, conf->hcv, |
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560 conf->height); |
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561 if (ctx->max_height == 0) { |
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562 return NULL; |
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563 } |
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564 |
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565 if (rc == NGX_OK |
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566 && ctx->width <= ctx->max_width |
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567 && ctx->height <= ctx->max_height |
3878 | 568 && ctx->angle == 0 |
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569 && !ctx->force) |
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570 { |
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571 return ngx_http_image_asis(r, ctx); |
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572 } |
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573 |
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574 return ngx_http_image_resize(r, ctx); |
2788 | 575 } |
576 | |
577 | |
578 static ngx_buf_t * | |
579 ngx_http_image_json(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx) | |
580 { | |
581 size_t len; | |
582 ngx_buf_t *b; | |
583 | |
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584 b = ngx_calloc_buf(r->pool); |
2788 | 585 if (b == NULL) { |
586 return NULL; | |
587 } | |
588 | |
589 b->memory = 1; | |
590 b->last_buf = 1; | |
591 | |
592 ngx_http_clean_header(r); | |
593 | |
594 r->headers_out.status = NGX_HTTP_OK; | |
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595 r->headers_out.content_type_len = sizeof("application/json") - 1; |
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596 ngx_str_set(&r->headers_out.content_type, "application/json"); |
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597 r->headers_out.content_type_lowcase = NULL; |
2788 | 598 |
599 if (ctx == NULL) { | |
600 b->pos = (u_char *) "{}" CRLF; | |
601 b->last = b->pos + sizeof("{}" CRLF) - 1; | |
602 | |
603 ngx_http_image_length(r, b); | |
604 | |
605 return b; | |
606 } | |
607 | |
608 len = sizeof("{ \"img\" : " | |
609 "{ \"width\": , \"height\": , \"type\": \"jpeg\" } }" CRLF) - 1 | |
610 + 2 * NGX_SIZE_T_LEN; | |
611 | |
612 b->pos = ngx_pnalloc(r->pool, len); | |
613 if (b->pos == NULL) { | |
614 return NULL; | |
615 } | |
616 | |
617 b->last = ngx_sprintf(b->pos, | |
618 "{ \"img\" : " | |
619 "{ \"width\": %uz," | |
620 " \"height\": %uz," | |
621 " \"type\": \"%s\" } }" CRLF, | |
622 ctx->width, ctx->height, | |
623 ngx_http_image_types[ctx->type - 1].data + 6); | |
624 | |
625 ngx_http_image_length(r, b); | |
626 | |
627 return b; | |
628 } | |
629 | |
630 | |
631 static ngx_buf_t * | |
632 ngx_http_image_asis(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx) | |
633 { | |
634 ngx_buf_t *b; | |
635 | |
6973
99934aade555
Use ngx_calloc_buf() where appropriate.
Ruslan Ermilov <ru@nginx.com>
parents:
6779
diff
changeset
|
636 b = ngx_calloc_buf(r->pool); |
2788 | 637 if (b == NULL) { |
638 return NULL; | |
639 } | |
640 | |
641 b->pos = ctx->image; | |
642 b->last = ctx->last; | |
643 b->memory = 1; | |
644 b->last_buf = 1; | |
645 | |
646 ngx_http_image_length(r, b); | |
647 | |
648 return b; | |
649 } | |
650 | |
651 | |
652 static void | |
653 ngx_http_image_length(ngx_http_request_t *r, ngx_buf_t *b) | |
654 { | |
655 r->headers_out.content_length_n = b->last - b->pos; | |
656 | |
657 if (r->headers_out.content_length) { | |
658 r->headers_out.content_length->hash = 0; | |
659 } | |
660 | |
661 r->headers_out.content_length = NULL; | |
662 } | |
663 | |
664 | |
665 static ngx_int_t | |
666 ngx_http_image_size(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx) | |
667 { | |
668 u_char *p, *last; | |
3394
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force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
669 size_t len, app; |
2788 | 670 ngx_uint_t width, height; |
671 | |
672 p = ctx->image; | |
673 | |
674 switch (ctx->type) { | |
675 | |
676 case NGX_HTTP_IMAGE_JPEG: | |
677 | |
678 p += 2; | |
679 last = ctx->image + ctx->length - 10; | |
3394
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force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
680 width = 0; |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
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parents:
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diff
changeset
|
681 height = 0; |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
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parents:
3393
diff
changeset
|
682 app = 0; |
2788 | 683 |
684 while (p < last) { | |
685 | |
686 if (p[0] == 0xff && p[1] != 0xff) { | |
687 | |
688 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3393 | 689 "JPEG: %02xd %02xd", p[0], p[1]); |
2788 | 690 |
691 p++; | |
692 | |
3394
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force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
693 if ((*p == 0xc0 || *p == 0xc1 || *p == 0xc2 || *p == 0xc3 |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
694 || *p == 0xc9 || *p == 0xca || *p == 0xcb) |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
695 && (width == 0 || height == 0)) |
2788 | 696 { |
3394
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
697 width = p[6] * 256 + p[7]; |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
698 height = p[4] * 256 + p[5]; |
2788 | 699 } |
700 | |
701 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
702 "JPEG: %02xd %02xd", p[1], p[2]); | |
703 | |
3394
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
704 len = p[1] * 256 + p[2]; |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
705 |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
706 if (*p >= 0xe1 && *p <= 0xef) { |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
707 /* application data, e.g., EXIF, Adobe XMP, etc. */ |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
708 app += len; |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
709 } |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
710 |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
711 p += len; |
2788 | 712 |
713 continue; | |
714 } | |
715 | |
716 p++; | |
717 } | |
718 | |
3394
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
719 if (width == 0 || height == 0) { |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
720 return NGX_DECLINED; |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
721 } |
2788 | 722 |
3394
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
723 if (ctx->length / 20 < app) { |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
724 /* force conversion if application data consume more than 5% */ |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
725 ctx->force = 1; |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
726 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
727 "app data size: %uz", app); |
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
728 } |
2788 | 729 |
730 break; | |
731 | |
732 case NGX_HTTP_IMAGE_GIF: | |
733 | |
734 if (ctx->length < 10) { | |
735 return NGX_DECLINED; | |
736 } | |
737 | |
738 width = p[7] * 256 + p[6]; | |
739 height = p[9] * 256 + p[8]; | |
740 | |
741 break; | |
742 | |
743 case NGX_HTTP_IMAGE_PNG: | |
744 | |
745 if (ctx->length < 24) { | |
746 return NGX_DECLINED; | |
747 } | |
748 | |
749 width = p[18] * 256 + p[19]; | |
750 height = p[22] * 256 + p[23]; | |
751 | |
752 break; | |
753 | |
6779
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
754 case NGX_HTTP_IMAGE_WEBP: |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
755 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
756 if (ctx->length < 30) { |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
757 return NGX_DECLINED; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
758 } |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
759 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
760 if (p[12] != 'V' || p[13] != 'P' || p[14] != '8') { |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
761 return NGX_DECLINED; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
762 } |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
763 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
764 switch (p[15]) { |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
765 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
766 case ' ': |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
767 if (p[20] & 1) { |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
768 /* not a key frame */ |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
769 return NGX_DECLINED; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
770 } |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
771 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
772 if (p[23] != 0x9d || p[24] != 0x01 || p[25] != 0x2a) { |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
773 /* invalid start code */ |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
774 return NGX_DECLINED; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
775 } |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
776 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
777 width = (p[26] | p[27] << 8) & 0x3fff; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
778 height = (p[28] | p[29] << 8) & 0x3fff; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
779 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
780 break; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
781 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
782 case 'L': |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
783 if (p[20] != 0x2f) { |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
784 /* invalid signature */ |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
785 return NGX_DECLINED; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
786 } |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
787 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
788 width = ((p[21] | p[22] << 8) & 0x3fff) + 1; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
789 height = ((p[22] >> 6 | p[23] << 2 | p[24] << 10) & 0x3fff) + 1; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
790 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
791 break; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
792 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
793 case 'X': |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
794 width = (p[24] | p[25] << 8 | p[26] << 16) + 1; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
795 height = (p[27] | p[28] << 8 | p[29] << 16) + 1; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
796 break; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
797 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
798 default: |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
799 return NGX_DECLINED; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
800 } |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
801 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
802 break; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
803 |
2788 | 804 default: |
805 | |
806 return NGX_DECLINED; | |
807 } | |
808 | |
809 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
6480 | 810 "image size: %d x %d", (int) width, (int) height); |
2788 | 811 |
812 ctx->width = width; | |
813 ctx->height = height; | |
814 | |
815 return NGX_OK; | |
816 } | |
817 | |
818 | |
819 static ngx_buf_t * | |
820 ngx_http_image_resize(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx) | |
821 { | |
3910
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
822 int sx, sy, dx, dy, ox, oy, ax, ay, size, |
4265
01a7e78ff5a1
The "image_filter_sharpen" directive.
Igor Sysoev <igor@sysoev.ru>
parents:
3910
diff
changeset
|
823 colors, palette, transparent, sharpen, |
3878 | 824 red, green, blue, t; |
2788 | 825 u_char *out; |
826 ngx_buf_t *b; | |
827 ngx_uint_t resize; | |
828 gdImagePtr src, dst; | |
829 ngx_pool_cleanup_t *cln; | |
830 ngx_http_image_filter_conf_t *conf; | |
831 | |
832 src = ngx_http_image_source(r, ctx); | |
833 | |
834 if (src == NULL) { | |
835 return NULL; | |
836 } | |
837 | |
838 sx = gdImageSX(src); | |
839 sy = gdImageSY(src); | |
840 | |
841 conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); | |
842 | |
3394
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
843 if (!ctx->force |
3878 | 844 && ctx->angle == 0 |
3394
11965c62b92c
force image filter conversion if JPEG application data consume more than 5%
Igor Sysoev <igor@sysoev.ru>
parents:
3393
diff
changeset
|
845 && (ngx_uint_t) sx <= ctx->max_width |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
846 && (ngx_uint_t) sy <= ctx->max_height) |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
847 { |
2788 | 848 gdImageDestroy(src); |
849 return ngx_http_image_asis(r, ctx); | |
850 } | |
851 | |
852 colors = gdImageColorsTotal(src); | |
3134 | 853 |
854 if (colors && conf->transparency) { | |
855 transparent = gdImageGetTransparent(src); | |
856 | |
857 if (transparent != -1) { | |
858 palette = colors; | |
859 red = gdImageRed(src, transparent); | |
860 green = gdImageGreen(src, transparent); | |
861 blue = gdImageBlue(src, transparent); | |
2788 | 862 |
3134 | 863 goto transparent; |
864 } | |
865 } | |
3117 | 866 |
3134 | 867 palette = 0; |
868 transparent = -1; | |
869 red = 0; | |
870 green = 0; | |
871 blue = 0; | |
872 | |
873 transparent: | |
874 | |
875 gdImageColorTransparent(src, -1); | |
3117 | 876 |
2788 | 877 dx = sx; |
878 dy = sy; | |
879 | |
880 if (conf->filter == NGX_HTTP_IMAGE_RESIZE) { | |
881 | |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
882 if ((ngx_uint_t) dx > ctx->max_width) { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
883 dy = dy * ctx->max_width / dx; |
2788 | 884 dy = dy ? dy : 1; |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
885 dx = ctx->max_width; |
2788 | 886 } |
887 | |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
888 if ((ngx_uint_t) dy > ctx->max_height) { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
889 dx = dx * ctx->max_height / dy; |
2788 | 890 dx = dx ? dx : 1; |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
891 dy = ctx->max_height; |
2788 | 892 } |
893 | |
894 resize = 1; | |
895 | |
3878 | 896 } else if (conf->filter == NGX_HTTP_IMAGE_ROTATE) { |
897 | |
898 resize = 0; | |
899 | |
2788 | 900 } else { /* NGX_HTTP_IMAGE_CROP */ |
901 | |
902 resize = 0; | |
903 | |
4601
084137d883ec
Image filter: compare aspect ratio more accurately during crop.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
904 if ((double) dx / dy < (double) ctx->max_width / ctx->max_height) { |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
905 if ((ngx_uint_t) dx > ctx->max_width) { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
906 dy = dy * ctx->max_width / dx; |
2788 | 907 dy = dy ? dy : 1; |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
908 dx = ctx->max_width; |
2788 | 909 resize = 1; |
910 } | |
911 | |
912 } else { | |
2998
fa8503fd3647
variables support in image_filter
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parents:
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|
913 if ((ngx_uint_t) dy > ctx->max_height) { |
fa8503fd3647
variables support in image_filter
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parents:
2918
diff
changeset
|
914 dx = dx * ctx->max_height / dy; |
2788 | 915 dx = dx ? dx : 1; |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
916 dy = ctx->max_height; |
2788 | 917 resize = 1; |
918 } | |
919 } | |
920 } | |
921 | |
922 if (resize) { | |
3134 | 923 dst = ngx_http_image_new(r, dx, dy, palette); |
2788 | 924 if (dst == NULL) { |
925 gdImageDestroy(src); | |
926 return NULL; | |
927 } | |
928 | |
3133
28a6aa24b453
fix alpha-channel transparency in PNG
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
929 if (colors == 0) { |
28a6aa24b453
fix alpha-channel transparency in PNG
Igor Sysoev <igor@sysoev.ru>
parents:
3117
diff
changeset
|
930 gdImageSaveAlpha(dst, 1); |
28a6aa24b453
fix alpha-channel transparency in PNG
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parents:
3117
diff
changeset
|
931 gdImageAlphaBlending(dst, 0); |
28a6aa24b453
fix alpha-channel transparency in PNG
Igor Sysoev <igor@sysoev.ru>
parents:
3117
diff
changeset
|
932 } |
28a6aa24b453
fix alpha-channel transparency in PNG
Igor Sysoev <igor@sysoev.ru>
parents:
3117
diff
changeset
|
933 |
2788 | 934 gdImageCopyResampled(dst, src, 0, 0, 0, 0, dx, dy, sx, sy); |
935 | |
3134 | 936 if (colors) { |
937 gdImageTrueColorToPalette(dst, 1, 256); | |
938 } | |
939 | |
2788 | 940 gdImageDestroy(src); |
941 | |
942 } else { | |
943 dst = src; | |
944 } | |
945 | |
3878 | 946 if (ctx->angle) { |
947 src = dst; | |
948 | |
3910
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
949 ax = (dx % 2 == 0) ? 1 : 0; |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
950 ay = (dy % 2 == 0) ? 1 : 0; |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
951 |
3878 | 952 switch (ctx->angle) { |
953 | |
954 case 90: | |
955 case 270: | |
956 dst = ngx_http_image_new(r, dy, dx, palette); | |
957 if (dst == NULL) { | |
958 gdImageDestroy(src); | |
959 return NULL; | |
960 } | |
3910
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
961 if (ctx->angle == 90) { |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
962 ox = dy / 2 + ay; |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
963 oy = dx / 2 - ax; |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
964 |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
965 } else { |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
966 ox = dy / 2 - ay; |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
967 oy = dx / 2 + ax; |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
968 } |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
969 |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
970 gdImageCopyRotated(dst, src, ox, oy, 0, 0, |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
971 dx + ax, dy + ay, ctx->angle); |
3878 | 972 gdImageDestroy(src); |
3884
ea712f4dc030
fix "image_filter rotate 180" and crop case
Igor Sysoev <igor@sysoev.ru>
parents:
3878
diff
changeset
|
973 |
ea712f4dc030
fix "image_filter rotate 180" and crop case
Igor Sysoev <igor@sysoev.ru>
parents:
3878
diff
changeset
|
974 t = dx; |
ea712f4dc030
fix "image_filter rotate 180" and crop case
Igor Sysoev <igor@sysoev.ru>
parents:
3878
diff
changeset
|
975 dx = dy; |
ea712f4dc030
fix "image_filter rotate 180" and crop case
Igor Sysoev <igor@sysoev.ru>
parents:
3878
diff
changeset
|
976 dy = t; |
3878 | 977 break; |
978 | |
979 case 180: | |
980 dst = ngx_http_image_new(r, dx, dy, palette); | |
981 if (dst == NULL) { | |
982 gdImageDestroy(src); | |
983 return NULL; | |
984 } | |
3910
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
985 gdImageCopyRotated(dst, src, dx / 2 - ax, dy / 2 - ay, 0, 0, |
750fb808aa15
gdImageCopyRotated() may images of even height or width
Igor Sysoev <igor@sysoev.ru>
parents:
3884
diff
changeset
|
986 dx + ax, dy + ay, ctx->angle); |
3878 | 987 gdImageDestroy(src); |
988 break; | |
989 } | |
990 } | |
991 | |
2788 | 992 if (conf->filter == NGX_HTTP_IMAGE_CROP) { |
993 | |
994 src = dst; | |
995 | |
2998
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variables support in image_filter
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2918
diff
changeset
|
996 if ((ngx_uint_t) dx > ctx->max_width) { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
997 ox = dx - ctx->max_width; |
2788 | 998 |
999 } else { | |
1000 ox = 0; | |
1001 } | |
1002 | |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1003 if ((ngx_uint_t) dy > ctx->max_height) { |
fa8503fd3647
variables support in image_filter
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parents:
2918
diff
changeset
|
1004 oy = dy - ctx->max_height; |
2788 | 1005 |
1006 } else { | |
1007 oy = 0; | |
1008 } | |
1009 | |
1010 if (ox || oy) { | |
1011 | |
1012 dst = ngx_http_image_new(r, dx - ox, dy - oy, colors); | |
1013 | |
1014 if (dst == NULL) { | |
1015 gdImageDestroy(src); | |
1016 return NULL; | |
1017 } | |
1018 | |
1019 ox /= 2; | |
1020 oy /= 2; | |
1021 | |
1022 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1023 "image crop: %d x %d @ %d x %d", | |
1024 dx, dy, ox, oy); | |
1025 | |
3133
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fix alpha-channel transparency in PNG
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3117
diff
changeset
|
1026 if (colors == 0) { |
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parents:
3117
diff
changeset
|
1027 gdImageSaveAlpha(dst, 1); |
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fix alpha-channel transparency in PNG
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1028 gdImageAlphaBlending(dst, 0); |
28a6aa24b453
fix alpha-channel transparency in PNG
Igor Sysoev <igor@sysoev.ru>
parents:
3117
diff
changeset
|
1029 } |
28a6aa24b453
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Igor Sysoev <igor@sysoev.ru>
parents:
3117
diff
changeset
|
1030 |
2788 | 1031 gdImageCopy(dst, src, 0, 0, ox, oy, dx - ox, dy - oy); |
1032 | |
3134 | 1033 if (colors) { |
1034 gdImageTrueColorToPalette(dst, 1, 256); | |
1035 } | |
1036 | |
2788 | 1037 gdImageDestroy(src); |
1038 } | |
1039 } | |
1040 | |
3117 | 1041 if (transparent != -1 && colors) { |
1042 gdImageColorTransparent(dst, gdImageColorExact(dst, red, green, blue)); | |
1043 } | |
2788 | 1044 |
4265
01a7e78ff5a1
The "image_filter_sharpen" directive.
Igor Sysoev <igor@sysoev.ru>
parents:
3910
diff
changeset
|
1045 sharpen = ngx_http_image_filter_get_value(r, conf->shcv, conf->sharpen); |
01a7e78ff5a1
The "image_filter_sharpen" directive.
Igor Sysoev <igor@sysoev.ru>
parents:
3910
diff
changeset
|
1046 if (sharpen > 0) { |
01a7e78ff5a1
The "image_filter_sharpen" directive.
Igor Sysoev <igor@sysoev.ru>
parents:
3910
diff
changeset
|
1047 gdImageSharpen(dst, sharpen); |
01a7e78ff5a1
The "image_filter_sharpen" directive.
Igor Sysoev <igor@sysoev.ru>
parents:
3910
diff
changeset
|
1048 } |
01a7e78ff5a1
The "image_filter_sharpen" directive.
Igor Sysoev <igor@sysoev.ru>
parents:
3910
diff
changeset
|
1049 |
5118
af155fc41deb
Image filter: the "image_filter_interlace" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
4981
diff
changeset
|
1050 gdImageInterlace(dst, (int) conf->interlace); |
af155fc41deb
Image filter: the "image_filter_interlace" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
4981
diff
changeset
|
1051 |
2788 | 1052 out = ngx_http_image_out(r, ctx->type, dst, &size); |
1053 | |
1054 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1055 "image: %d x %d %d", sx, sy, colors); | |
1056 | |
1057 gdImageDestroy(dst); | |
1058 ngx_pfree(r->pool, ctx->image); | |
1059 | |
1060 if (out == NULL) { | |
1061 return NULL; | |
1062 } | |
1063 | |
1064 cln = ngx_pool_cleanup_add(r->pool, 0); | |
1065 if (cln == NULL) { | |
1066 gdFree(out); | |
1067 return NULL; | |
1068 } | |
1069 | |
6973
99934aade555
Use ngx_calloc_buf() where appropriate.
Ruslan Ermilov <ru@nginx.com>
parents:
6779
diff
changeset
|
1070 b = ngx_calloc_buf(r->pool); |
2788 | 1071 if (b == NULL) { |
1072 gdFree(out); | |
1073 return NULL; | |
1074 } | |
1075 | |
1076 cln->handler = ngx_http_image_cleanup; | |
1077 cln->data = out; | |
1078 | |
1079 b->pos = out; | |
1080 b->last = out + size; | |
1081 b->memory = 1; | |
1082 b->last_buf = 1; | |
1083 | |
1084 ngx_http_image_length(r, b); | |
5806
8cdec62a7751
Image filter: downgrade strong etags to weak ones as needed.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5497
diff
changeset
|
1085 ngx_http_weak_etag(r); |
2788 | 1086 |
1087 return b; | |
1088 } | |
1089 | |
1090 | |
1091 static gdImagePtr | |
1092 ngx_http_image_source(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx) | |
1093 { | |
1094 char *failed; | |
1095 gdImagePtr img; | |
1096 | |
1097 img = NULL; | |
1098 | |
1099 switch (ctx->type) { | |
1100 | |
1101 case NGX_HTTP_IMAGE_JPEG: | |
1102 img = gdImageCreateFromJpegPtr(ctx->length, ctx->image); | |
1103 failed = "gdImageCreateFromJpegPtr() failed"; | |
1104 break; | |
1105 | |
1106 case NGX_HTTP_IMAGE_GIF: | |
1107 img = gdImageCreateFromGifPtr(ctx->length, ctx->image); | |
1108 failed = "gdImageCreateFromGifPtr() failed"; | |
1109 break; | |
1110 | |
1111 case NGX_HTTP_IMAGE_PNG: | |
1112 img = gdImageCreateFromPngPtr(ctx->length, ctx->image); | |
1113 failed = "gdImageCreateFromPngPtr() failed"; | |
1114 break; | |
1115 | |
6779
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1116 case NGX_HTTP_IMAGE_WEBP: |
e4b00a021cea
Image filter: support for WebP.
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parents:
6480
diff
changeset
|
1117 #if (NGX_HAVE_GD_WEBP) |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1118 img = gdImageCreateFromWebpPtr(ctx->length, ctx->image); |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
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diff
changeset
|
1119 failed = "gdImageCreateFromWebpPtr() failed"; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
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diff
changeset
|
1120 #else |
e4b00a021cea
Image filter: support for WebP.
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parents:
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diff
changeset
|
1121 failed = "nginx was built without GD WebP support"; |
e4b00a021cea
Image filter: support for WebP.
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parents:
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diff
changeset
|
1122 #endif |
e4b00a021cea
Image filter: support for WebP.
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parents:
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diff
changeset
|
1123 break; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1124 |
2788 | 1125 default: |
1126 failed = "unknown image type"; | |
1127 break; | |
1128 } | |
1129 | |
1130 if (img == NULL) { | |
1131 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, failed); | |
1132 } | |
1133 | |
1134 return img; | |
1135 } | |
1136 | |
1137 | |
1138 static gdImagePtr | |
1139 ngx_http_image_new(ngx_http_request_t *r, int w, int h, int colors) | |
1140 { | |
1141 gdImagePtr img; | |
1142 | |
1143 if (colors == 0) { | |
1144 img = gdImageCreateTrueColor(w, h); | |
1145 | |
1146 if (img == NULL) { | |
1147 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1148 "gdImageCreateTrueColor() failed"); | |
1149 return NULL; | |
1150 } | |
1151 | |
1152 } else { | |
1153 img = gdImageCreate(w, h); | |
1154 | |
1155 if (img == NULL) { | |
1156 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1157 "gdImageCreate() failed"); | |
1158 return NULL; | |
1159 } | |
1160 } | |
1161 | |
1162 return img; | |
1163 } | |
1164 | |
1165 | |
1166 static u_char * | |
1167 ngx_http_image_out(ngx_http_request_t *r, ngx_uint_t type, gdImagePtr img, | |
1168 int *size) | |
1169 { | |
2848 | 1170 char *failed; |
1171 u_char *out; | |
6779
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1172 ngx_int_t q; |
2848 | 1173 ngx_http_image_filter_conf_t *conf; |
2788 | 1174 |
1175 out = NULL; | |
1176 | |
1177 switch (type) { | |
1178 | |
1179 case NGX_HTTP_IMAGE_JPEG: | |
2848 | 1180 conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); |
3745
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1181 |
6779
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Image filter: support for WebP.
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diff
changeset
|
1182 q = ngx_http_image_filter_get_value(r, conf->jqcv, conf->jpeg_quality); |
e4b00a021cea
Image filter: support for WebP.
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diff
changeset
|
1183 if (q <= 0) { |
3745
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1184 return NULL; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1185 } |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1186 |
6779
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changeset
|
1187 out = gdImageJpegPtr(img, size, q); |
2788 | 1188 failed = "gdImageJpegPtr() failed"; |
1189 break; | |
1190 | |
1191 case NGX_HTTP_IMAGE_GIF: | |
1192 out = gdImageGifPtr(img, size); | |
1193 failed = "gdImageGifPtr() failed"; | |
1194 break; | |
1195 | |
1196 case NGX_HTTP_IMAGE_PNG: | |
1197 out = gdImagePngPtr(img, size); | |
1198 failed = "gdImagePngPtr() failed"; | |
1199 break; | |
1200 | |
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|
1201 case NGX_HTTP_IMAGE_WEBP: |
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Image filter: support for WebP.
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changeset
|
1202 #if (NGX_HAVE_GD_WEBP) |
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diff
changeset
|
1203 conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); |
e4b00a021cea
Image filter: support for WebP.
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changeset
|
1204 |
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diff
changeset
|
1205 q = ngx_http_image_filter_get_value(r, conf->wqcv, conf->webp_quality); |
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Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
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|
1206 if (q <= 0) { |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
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|
1207 return NULL; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
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|
1208 } |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1209 |
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Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
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|
1210 out = gdImageWebpPtrEx(img, size, q); |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
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|
1211 failed = "gdImageWebpPtrEx() failed"; |
e4b00a021cea
Image filter: support for WebP.
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parents:
6480
diff
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|
1212 #else |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1213 failed = "nginx was built without GD WebP support"; |
e4b00a021cea
Image filter: support for WebP.
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parents:
6480
diff
changeset
|
1214 #endif |
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Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1215 break; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
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|
1216 |
2788 | 1217 default: |
1218 failed = "unknown image type"; | |
1219 break; | |
1220 } | |
1221 | |
1222 if (out == NULL) { | |
1223 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, failed); | |
1224 } | |
1225 | |
1226 return out; | |
1227 } | |
1228 | |
1229 | |
1230 static void | |
1231 ngx_http_image_cleanup(void *data) | |
1232 { | |
1233 gdFree(data); | |
1234 } | |
1235 | |
1236 | |
2998
fa8503fd3647
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2918
diff
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|
1237 static ngx_uint_t |
fa8503fd3647
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Igor Sysoev <igor@sysoev.ru>
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|
1238 ngx_http_image_filter_get_value(ngx_http_request_t *r, |
fa8503fd3647
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1239 ngx_http_complex_value_t *cv, ngx_uint_t v) |
fa8503fd3647
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diff
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|
1240 { |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1241 ngx_str_t val; |
fa8503fd3647
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diff
changeset
|
1242 |
fa8503fd3647
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diff
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|
1243 if (cv == NULL) { |
fa8503fd3647
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diff
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|
1244 return v; |
fa8503fd3647
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diff
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|
1245 } |
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diff
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|
1246 |
fa8503fd3647
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1247 if (ngx_http_complex_value(r, cv, &val) != NGX_OK) { |
fa8503fd3647
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|
1248 return 0; |
fa8503fd3647
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diff
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|
1249 } |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1250 |
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|
1251 return ngx_http_image_filter_value(&val); |
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|
1252 } |
fa8503fd3647
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Igor Sysoev <igor@sysoev.ru>
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|
1253 |
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|
1254 |
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Igor Sysoev <igor@sysoev.ru>
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|
1255 static ngx_uint_t |
fa8503fd3647
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1256 ngx_http_image_filter_value(ngx_str_t *value) |
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|
1257 { |
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Igor Sysoev <igor@sysoev.ru>
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|
1258 ngx_int_t n; |
fa8503fd3647
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|
1259 |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1260 if (value->len == 1 && value->data[0] == '-') { |
fa8503fd3647
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1261 return (ngx_uint_t) -1; |
fa8503fd3647
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diff
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|
1262 } |
fa8503fd3647
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1263 |
fa8503fd3647
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diff
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|
1264 n = ngx_atoi(value->data, value->len); |
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diff
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|
1265 |
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diff
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|
1266 if (n > 0) { |
fa8503fd3647
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parents:
2918
diff
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|
1267 return (ngx_uint_t) n; |
fa8503fd3647
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2918
diff
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|
1268 } |
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diff
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|
1269 |
fa8503fd3647
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diff
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|
1270 return 0; |
fa8503fd3647
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diff
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|
1271 } |
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|
1272 |
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diff
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|
1273 |
2788 | 1274 static void * |
1275 ngx_http_image_filter_create_conf(ngx_conf_t *cf) | |
1276 { | |
1277 ngx_http_image_filter_conf_t *conf; | |
1278 | |
1279 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_image_filter_conf_t)); | |
1280 if (conf == NULL) { | |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2882
diff
changeset
|
1281 return NULL; |
2788 | 1282 } |
1283 | |
4981
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
1284 /* |
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
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diff
changeset
|
1285 * set by ngx_pcalloc(): |
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
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4978
diff
changeset
|
1286 * |
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
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diff
changeset
|
1287 * conf->width = 0; |
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
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|
1288 * conf->height = 0; |
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
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|
1289 * conf->angle = 0; |
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
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|
1290 * conf->wcv = NULL; |
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
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|
1291 * conf->hcv = NULL; |
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
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diff
changeset
|
1292 * conf->acv = NULL; |
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
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parents:
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diff
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|
1293 * conf->jqcv = NULL; |
6779
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
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diff
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|
1294 * conf->wqcv = NULL; |
4981
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
1295 * conf->shcv = NULL; |
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
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4978
diff
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|
1296 */ |
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
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parents:
4978
diff
changeset
|
1297 |
2788 | 1298 conf->filter = NGX_CONF_UNSET_UINT; |
3745
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1299 conf->jpeg_quality = NGX_CONF_UNSET_UINT; |
6779
e4b00a021cea
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Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1300 conf->webp_quality = NGX_CONF_UNSET_UINT; |
4265
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The "image_filter_sharpen" directive.
Igor Sysoev <igor@sysoev.ru>
parents:
3910
diff
changeset
|
1301 conf->sharpen = NGX_CONF_UNSET_UINT; |
3134 | 1302 conf->transparency = NGX_CONF_UNSET; |
5118
af155fc41deb
Image filter: the "image_filter_interlace" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
4981
diff
changeset
|
1303 conf->interlace = NGX_CONF_UNSET; |
2788 | 1304 conf->buffer_size = NGX_CONF_UNSET_SIZE; |
1305 | |
1306 return conf; | |
1307 } | |
1308 | |
1309 | |
1310 static char * | |
1311 ngx_http_image_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
1312 { | |
1313 ngx_http_image_filter_conf_t *prev = parent; | |
1314 ngx_http_image_filter_conf_t *conf = child; | |
1315 | |
1316 if (conf->filter == NGX_CONF_UNSET_UINT) { | |
1317 | |
1318 if (prev->filter == NGX_CONF_UNSET_UINT) { | |
1319 conf->filter = NGX_HTTP_IMAGE_OFF; | |
1320 | |
1321 } else { | |
1322 conf->filter = prev->filter; | |
1323 conf->width = prev->width; | |
1324 conf->height = prev->height; | |
4981
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4978
diff
changeset
|
1325 conf->angle = prev->angle; |
2998
fa8503fd3647
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Igor Sysoev <igor@sysoev.ru>
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2918
diff
changeset
|
1326 conf->wcv = prev->wcv; |
fa8503fd3647
variables support in image_filter
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parents:
2918
diff
changeset
|
1327 conf->hcv = prev->hcv; |
4981
5889bc5f7a65
Image filter: fixed image_filter rotate inheritance.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4978
diff
changeset
|
1328 conf->acv = prev->acv; |
2788 | 1329 } |
1330 } | |
1331 | |
4978
55ccb9f75668
Image filter: configuration inheritance fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4601
diff
changeset
|
1332 if (conf->jpeg_quality == NGX_CONF_UNSET_UINT) { |
3745
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1333 |
4978
55ccb9f75668
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changeset
|
1334 /* 75 is libjpeg default quality */ |
55ccb9f75668
Image filter: configuration inheritance fixes.
Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
1335 ngx_conf_merge_uint_value(conf->jpeg_quality, prev->jpeg_quality, 75); |
55ccb9f75668
Image filter: configuration inheritance fixes.
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diff
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|
1336 |
55ccb9f75668
Image filter: configuration inheritance fixes.
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diff
changeset
|
1337 if (conf->jqcv == NULL) { |
55ccb9f75668
Image filter: configuration inheritance fixes.
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parents:
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diff
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|
1338 conf->jqcv = prev->jqcv; |
55ccb9f75668
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Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
1339 } |
3745
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image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
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3722
diff
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|
1340 } |
2848 | 1341 |
6779
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|
1342 if (conf->webp_quality == NGX_CONF_UNSET_UINT) { |
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|
1343 |
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|
1344 /* 80 is libwebp default quality */ |
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|
1345 ngx_conf_merge_uint_value(conf->webp_quality, prev->webp_quality, 80); |
e4b00a021cea
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|
1346 |
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|
1347 if (conf->wqcv == NULL) { |
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|
1348 conf->wqcv = prev->wqcv; |
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1349 } |
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|
1350 } |
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|
1351 |
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|
1352 if (conf->sharpen == NGX_CONF_UNSET_UINT) { |
55ccb9f75668
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changeset
|
1353 ngx_conf_merge_uint_value(conf->sharpen, prev->sharpen, 0); |
4265
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|
1354 |
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|
1355 if (conf->shcv == NULL) { |
55ccb9f75668
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|
1356 conf->shcv = prev->shcv; |
55ccb9f75668
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|
1357 } |
4265
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changeset
|
1358 } |
01a7e78ff5a1
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|
1359 |
3134 | 1360 ngx_conf_merge_value(conf->transparency, prev->transparency, 1); |
1361 | |
5118
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Image filter: the "image_filter_interlace" directive.
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|
1362 ngx_conf_merge_value(conf->interlace, prev->interlace, 0); |
af155fc41deb
Image filter: the "image_filter_interlace" directive.
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changeset
|
1363 |
2788 | 1364 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, |
1365 1 * 1024 * 1024); | |
1366 | |
1367 return NGX_CONF_OK; | |
1368 } | |
1369 | |
1370 | |
1371 static char * | |
1372 ngx_http_image_filter(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1373 { | |
1374 ngx_http_image_filter_conf_t *imcf = conf; | |
1375 | |
2998
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|
1376 ngx_str_t *value; |
fa8503fd3647
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|
1377 ngx_int_t n; |
fa8503fd3647
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diff
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|
1378 ngx_uint_t i; |
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|
1379 ngx_http_complex_value_t cv; |
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|
1380 ngx_http_compile_complex_value_t ccv; |
2788 | 1381 |
1382 value = cf->args->elts; | |
1383 | |
1384 i = 1; | |
1385 | |
1386 if (cf->args->nelts == 2) { | |
1387 if (ngx_strcmp(value[i].data, "off") == 0) { | |
1388 imcf->filter = NGX_HTTP_IMAGE_OFF; | |
1389 | |
1390 } else if (ngx_strcmp(value[i].data, "test") == 0) { | |
1391 imcf->filter = NGX_HTTP_IMAGE_TEST; | |
1392 | |
1393 } else if (ngx_strcmp(value[i].data, "size") == 0) { | |
1394 imcf->filter = NGX_HTTP_IMAGE_SIZE; | |
1395 | |
1396 } else { | |
1397 goto failed; | |
1398 } | |
1399 | |
1400 return NGX_CONF_OK; | |
3878 | 1401 |
1402 } else if (cf->args->nelts == 3) { | |
1403 | |
1404 if (ngx_strcmp(value[i].data, "rotate") == 0) { | |
4308
39982fa69482
Fixed "rotate" to always work when combined with "resize/crop".
Ruslan Ermilov <ru@nginx.com>
parents:
4307
diff
changeset
|
1405 if (imcf->filter != NGX_HTTP_IMAGE_RESIZE |
39982fa69482
Fixed "rotate" to always work when combined with "resize/crop".
Ruslan Ermilov <ru@nginx.com>
parents:
4307
diff
changeset
|
1406 && imcf->filter != NGX_HTTP_IMAGE_CROP) |
39982fa69482
Fixed "rotate" to always work when combined with "resize/crop".
Ruslan Ermilov <ru@nginx.com>
parents:
4307
diff
changeset
|
1407 { |
39982fa69482
Fixed "rotate" to always work when combined with "resize/crop".
Ruslan Ermilov <ru@nginx.com>
parents:
4307
diff
changeset
|
1408 imcf->filter = NGX_HTTP_IMAGE_ROTATE; |
39982fa69482
Fixed "rotate" to always work when combined with "resize/crop".
Ruslan Ermilov <ru@nginx.com>
parents:
4307
diff
changeset
|
1409 } |
3878 | 1410 |
1411 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); | |
1412 | |
1413 ccv.cf = cf; | |
1414 ccv.value = &value[++i]; | |
1415 ccv.complex_value = &cv; | |
1416 | |
1417 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { | |
1418 return NGX_CONF_ERROR; | |
1419 } | |
1420 | |
1421 if (cv.lengths == NULL) { | |
1422 n = ngx_http_image_filter_value(&value[i]); | |
1423 | |
1424 if (n != 90 && n != 180 && n != 270) { | |
1425 goto failed; | |
1426 } | |
1427 | |
1428 imcf->angle = (ngx_uint_t) n; | |
1429 | |
1430 } else { | |
1431 imcf->acv = ngx_palloc(cf->pool, | |
1432 sizeof(ngx_http_complex_value_t)); | |
1433 if (imcf->acv == NULL) { | |
1434 return NGX_CONF_ERROR; | |
1435 } | |
1436 | |
1437 *imcf->acv = cv; | |
1438 } | |
1439 | |
1440 return NGX_CONF_OK; | |
1441 | |
1442 } else { | |
1443 goto failed; | |
1444 } | |
2788 | 1445 } |
1446 | |
1447 if (ngx_strcmp(value[i].data, "resize") == 0) { | |
1448 imcf->filter = NGX_HTTP_IMAGE_RESIZE; | |
1449 | |
1450 } else if (ngx_strcmp(value[i].data, "crop") == 0) { | |
1451 imcf->filter = NGX_HTTP_IMAGE_CROP; | |
1452 | |
1453 } else { | |
1454 goto failed; | |
1455 } | |
1456 | |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1457 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1458 |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1459 ccv.cf = cf; |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1460 ccv.value = &value[++i]; |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1461 ccv.complex_value = &cv; |
2788 | 1462 |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1463 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1464 return NGX_CONF_ERROR; |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1465 } |
2788 | 1466 |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1467 if (cv.lengths == NULL) { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1468 n = ngx_http_image_filter_value(&value[i]); |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1469 |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1470 if (n == 0) { |
2788 | 1471 goto failed; |
1472 } | |
1473 | |
1474 imcf->width = (ngx_uint_t) n; | |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1475 |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1476 } else { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1477 imcf->wcv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1478 if (imcf->wcv == NULL) { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1479 return NGX_CONF_ERROR; |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1480 } |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1481 |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1482 *imcf->wcv = cv; |
2788 | 1483 } |
1484 | |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1485 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1486 |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1487 ccv.cf = cf; |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1488 ccv.value = &value[++i]; |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1489 ccv.complex_value = &cv; |
2788 | 1490 |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1491 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1492 return NGX_CONF_ERROR; |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1493 } |
2788 | 1494 |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1495 if (cv.lengths == NULL) { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1496 n = ngx_http_image_filter_value(&value[i]); |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1497 |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1498 if (n == 0) { |
2788 | 1499 goto failed; |
1500 } | |
1501 | |
1502 imcf->height = (ngx_uint_t) n; | |
2998
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1503 |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1504 } else { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1505 imcf->hcv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1506 if (imcf->hcv == NULL) { |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1507 return NGX_CONF_ERROR; |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1508 } |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1509 |
fa8503fd3647
variables support in image_filter
Igor Sysoev <igor@sysoev.ru>
parents:
2918
diff
changeset
|
1510 *imcf->hcv = cv; |
2788 | 1511 } |
1512 | |
1513 return NGX_CONF_OK; | |
1514 | |
1515 failed: | |
1516 | |
1517 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%V\"", | |
1518 &value[i]); | |
1519 | |
1520 return NGX_CONF_ERROR; | |
1521 } | |
1522 | |
1523 | |
3745
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1524 static char * |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1525 ngx_http_image_filter_jpeg_quality(ngx_conf_t *cf, ngx_command_t *cmd, |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1526 void *conf) |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1527 { |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1528 ngx_http_image_filter_conf_t *imcf = conf; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1529 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1530 ngx_str_t *value; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1531 ngx_int_t n; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1532 ngx_http_complex_value_t cv; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1533 ngx_http_compile_complex_value_t ccv; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1534 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1535 value = cf->args->elts; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1536 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1537 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1538 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1539 ccv.cf = cf; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1540 ccv.value = &value[1]; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1541 ccv.complex_value = &cv; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1542 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1543 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1544 return NGX_CONF_ERROR; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1545 } |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1546 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1547 if (cv.lengths == NULL) { |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1548 n = ngx_http_image_filter_value(&value[1]); |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1549 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1550 if (n <= 0) { |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1551 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
4307 | 1552 "invalid value \"%V\"", &value[1]); |
3745
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1553 return NGX_CONF_ERROR; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1554 } |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1555 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1556 imcf->jpeg_quality = (ngx_uint_t) n; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1557 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1558 } else { |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1559 imcf->jqcv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1560 if (imcf->jqcv == NULL) { |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1561 return NGX_CONF_ERROR; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1562 } |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1563 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1564 *imcf->jqcv = cv; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1565 } |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1566 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1567 return NGX_CONF_OK; |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1568 } |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1569 |
f5fa9d2e09b6
image_filter_jpeg_quality supports variables
Igor Sysoev <igor@sysoev.ru>
parents:
3722
diff
changeset
|
1570 |
4265
01a7e78ff5a1
The "image_filter_sharpen" directive.
Igor Sysoev <igor@sysoev.ru>
parents:
3910
diff
changeset
|
1571 static char * |
6779
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1572 ngx_http_image_filter_webp_quality(ngx_conf_t *cf, ngx_command_t *cmd, |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1573 void *conf) |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1574 { |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1575 ngx_http_image_filter_conf_t *imcf = conf; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1576 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1577 ngx_str_t *value; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1578 ngx_int_t n; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1579 ngx_http_complex_value_t cv; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1580 ngx_http_compile_complex_value_t ccv; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1581 |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1582 value = cf->args->elts; |
e4b00a021cea
Image filter: support for WebP.
Valentin Bartenev <vbart@nginx.com>
parents:
6480
diff
changeset
|
1583 |
e4b00a021cea
Image filter: support for WebP.
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1584 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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1585 |
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1586 ccv.cf = cf; |
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1587 ccv.value = &value[1]; |
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1588 ccv.complex_value = &cv; |
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1589 |
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1590 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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1591 return NGX_CONF_ERROR; |
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1592 } |
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1593 |
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1594 if (cv.lengths == NULL) { |
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1595 n = ngx_http_image_filter_value(&value[1]); |
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1596 |
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1597 if (n <= 0) { |
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1598 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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1599 "invalid value \"%V\"", &value[1]); |
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1600 return NGX_CONF_ERROR; |
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1601 } |
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1602 |
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1603 imcf->webp_quality = (ngx_uint_t) n; |
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1604 |
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1605 } else { |
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1606 imcf->wqcv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); |
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1607 if (imcf->wqcv == NULL) { |
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1608 return NGX_CONF_ERROR; |
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1609 } |
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1610 |
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1611 *imcf->wqcv = cv; |
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1612 } |
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1613 |
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1614 return NGX_CONF_OK; |
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1615 } |
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1616 |
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1617 |
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1618 static char * |
4265
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1619 ngx_http_image_filter_sharpen(ngx_conf_t *cf, ngx_command_t *cmd, |
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1620 void *conf) |
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1621 { |
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1622 ngx_http_image_filter_conf_t *imcf = conf; |
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1623 |
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1624 ngx_str_t *value; |
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1625 ngx_int_t n; |
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1626 ngx_http_complex_value_t cv; |
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1627 ngx_http_compile_complex_value_t ccv; |
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1628 |
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1629 value = cf->args->elts; |
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1630 |
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1631 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
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1632 |
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1633 ccv.cf = cf; |
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1634 ccv.value = &value[1]; |
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1635 ccv.complex_value = &cv; |
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1636 |
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1637 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
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1638 return NGX_CONF_ERROR; |
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1639 } |
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1640 |
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1641 if (cv.lengths == NULL) { |
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1642 n = ngx_http_image_filter_value(&value[1]); |
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1643 |
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1644 if (n < 0) { |
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1645 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
4307 | 1646 "invalid value \"%V\"", &value[1]); |
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1647 return NGX_CONF_ERROR; |
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1648 } |
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1649 |
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1650 imcf->sharpen = (ngx_uint_t) n; |
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1651 |
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1652 } else { |
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1653 imcf->shcv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); |
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1654 if (imcf->shcv == NULL) { |
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1655 return NGX_CONF_ERROR; |
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1656 } |
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1657 |
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1658 *imcf->shcv = cv; |
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1659 } |
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1660 |
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1661 return NGX_CONF_OK; |
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1662 } |
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1663 |
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1664 |
2788 | 1665 static ngx_int_t |
1666 ngx_http_image_filter_init(ngx_conf_t *cf) | |
1667 { | |
1668 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
1669 ngx_http_top_header_filter = ngx_http_image_header_filter; | |
1670 | |
1671 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
1672 ngx_http_top_body_filter = ngx_http_image_body_filter; | |
1673 | |
1674 return NGX_OK; | |
1675 } |