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authorLibravatar Drew DeVault <sir@cmpwn.com>2016-01-25 15:28:38 -0500
committerLibravatar Drew DeVault <sir@cmpwn.com>2016-01-25 15:28:38 -0500
commitd2af1f33951220c2a9fc691034084d7276aafbc5 (patch)
treed6324c6b73108c84d6609cd7eb79aad3a0172473 /swaylock
parentMerge pull request #474 from christophgysin/swaylock_pam (diff)
parentswaylock: support --color (diff)
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Merge pull request #475 from christophgysin/swaylock_color
swaylock: implement --color
Diffstat (limited to 'swaylock')
-rw-r--r--swaylock/main.c235
1 files changed, 135 insertions, 100 deletions
diff --git a/swaylock/main.c b/swaylock/main.c
index 9530b6dc..98e26839 100644
--- a/swaylock/main.c
+++ b/swaylock/main.c
@@ -115,14 +115,100 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
115 } 115 }
116} 116}
117 117
118static void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
119 cairo_set_source_rgba(cairo,
120 (color >> (3*8) & 0xFF) / 255.0,
121 (color >> (2*8) & 0xFF) / 255.0,
122 (color >> (1*8) & 0xFF) / 255.0,
123 (color >> (0*8) & 0xFF) / 255.0);
124}
125
126void render_color(struct window *window, uint32_t color) {
127 cairo_set_source_u32(window->cairo, color);
128 cairo_paint(window->cairo);
129 window_render(window);
130}
131
132void render_image(struct window *window, cairo_surface_t *image, enum scaling_mode scaling_mode) {
133 double width = cairo_image_surface_get_width(image);
134 double height = cairo_image_surface_get_height(image);
135
136 switch (scaling_mode) {
137 case SCALING_MODE_STRETCH:
138 cairo_scale(window->cairo,
139 (double) window->width / width,
140 (double) window->height / height);
141 cairo_set_source_surface(window->cairo, image, 0, 0);
142 break;
143 case SCALING_MODE_FILL:
144 {
145 double window_ratio = (double) window->width / window->height;
146 double bg_ratio = width / height;
147
148 if (window_ratio > bg_ratio) {
149 double scale = (double) window->width / width;
150 cairo_scale(window->cairo, scale, scale);
151 cairo_set_source_surface(window->cairo, image,
152 0,
153 (double) window->height/2 / scale - height/2);
154 } else {
155 double scale = (double) window->height / height;
156 cairo_scale(window->cairo, scale, scale);
157 cairo_set_source_surface(window->cairo, image,
158 (double) window->width/2 / scale - width/2,
159 0);
160 }
161 break;
162 }
163 case SCALING_MODE_FIT:
164 {
165 double window_ratio = (double) window->width / window->height;
166 double bg_ratio = width / height;
167
168 if (window_ratio > bg_ratio) {
169 double scale = (double) window->height / height;
170 cairo_scale(window->cairo, scale, scale);
171 cairo_set_source_surface(window->cairo, image,
172 (double) window->width/2 / scale - width/2,
173 0);
174 } else {
175 double scale = (double) window->width / width;
176 cairo_scale(window->cairo, scale, scale);
177 cairo_set_source_surface(window->cairo, image,
178 0,
179 (double) window->height/2 / scale - height/2);
180 }
181 break;
182 }
183 case SCALING_MODE_CENTER:
184 cairo_set_source_surface(window->cairo, image,
185 (double) window->width/2 - width/2,
186 (double) window->height/2 - height/2);
187 break;
188 case SCALING_MODE_TILE:
189 {
190 cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image);
191 cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
192 cairo_set_source(window->cairo, pattern);
193 break;
194 }
195 }
196
197 cairo_paint(window->cairo);
198
199 window_render(window);
200}
201
118int main(int argc, char **argv) { 202int main(int argc, char **argv) {
119 char *image_path = NULL; 203 char *image_path = NULL;
120 char *scaling_mode_str = "fit"; 204 char *scaling_mode_str = "fit";
205 uint32_t color = 0xFFFFFFFF;
121 206
122 init_log(L_INFO); 207 init_log(L_INFO);
123 208
124 static struct option long_options[] = { 209 static struct option long_options[] = {
125 {"help", no_argument, NULL, 'h'}, 210 {"help", no_argument, NULL, 'h'},
211 {"color", required_argument, NULL, 'c'},
126 {"image", required_argument, NULL, 'i'}, 212 {"image", required_argument, NULL, 'i'},
127 {"scaling", required_argument, NULL, 's'}, 213 {"scaling", required_argument, NULL, 's'},
128 {"tiling", no_argument, NULL, 't'}, 214 {"tiling", no_argument, NULL, 't'},
@@ -134,6 +220,7 @@ int main(int argc, char **argv) {
134 "Usage: swaylock [options...]\n" 220 "Usage: swaylock [options...]\n"
135 "\n" 221 "\n"
136 " -h, --help Show help message and quit.\n" 222 " -h, --help Show help message and quit.\n"
223 " -c, --color <rrggbb> Turn the screen into the given color instead of white.\n"
137 " -s, --scaling Scaling mode: stretch, fill, fit, center, tile.\n" 224 " -s, --scaling Scaling mode: stretch, fill, fit, center, tile.\n"
138 " -t, --tiling Same as --scaling=tile.\n" 225 " -t, --tiling Same as --scaling=tile.\n"
139 " -v, --version Show the version number and quit.\n" 226 " -v, --version Show the version number and quit.\n"
@@ -142,11 +229,21 @@ int main(int argc, char **argv) {
142 int c; 229 int c;
143 while (1) { 230 while (1) {
144 int option_index = 0; 231 int option_index = 0;
145 c = getopt_long(argc, argv, "hi:s:tv", long_options, &option_index); 232 c = getopt_long(argc, argv, "hc:i:s:tv", long_options, &option_index);
146 if (c == -1) { 233 if (c == -1) {
147 break; 234 break;
148 } 235 }
149 switch (c) { 236 switch (c) {
237 case 'c':
238 if (strlen(optarg) < 6) {
239 fprintf(stderr, "color must be specified in 3 byte format, e.g. ff0000\n");
240 exit(EXIT_FAILURE);
241 }
242 color = strtol(optarg, NULL, 16);
243 color <<= 8;
244 color |= 0xFF;
245 sway_log(L_DEBUG, "color: 0x%x", color);
246 break;
150 case 'i': 247 case 'i':
151 image_path = optarg; 248 image_path = optarg;
152 break; 249 break;
@@ -170,10 +267,19 @@ int main(int argc, char **argv) {
170 } 267 }
171 } 268 }
172 269
173 // TODO: support locking without image 270 enum scaling_mode scaling_mode = SCALING_MODE_STRETCH;
174 if (!image_path) { 271 if (strcmp(scaling_mode_str, "stretch") == 0) {
175 fprintf(stderr, "No image specified!\n"); 272 scaling_mode = SCALING_MODE_STRETCH;
176 exit(EXIT_FAILURE); 273 } else if (strcmp(scaling_mode_str, "fill") == 0) {
274 scaling_mode = SCALING_MODE_FILL;
275 } else if (strcmp(scaling_mode_str, "fit") == 0) {
276 scaling_mode = SCALING_MODE_FIT;
277 } else if (strcmp(scaling_mode_str, "center") == 0) {
278 scaling_mode = SCALING_MODE_CENTER;
279 } else if (strcmp(scaling_mode_str, "tile") == 0) {
280 scaling_mode = SCALING_MODE_TILE;
281 } else {
282 sway_abort("Unsupported scaling mode: %s", scaling_mode_str);
177 } 283 }
178 284
179 password = malloc(1024); // TODO: Let this grow 285 password = malloc(1024); // TODO: Let this grow
@@ -197,111 +303,40 @@ int main(int argc, char **argv) {
197 303
198 registry->input->notify = notify_key; 304 registry->input->notify = notify_key;
199 305
306 cairo_surface_t *image = NULL;
307
308 if (image_path) {
200#ifdef WITH_GDK_PIXBUF 309#ifdef WITH_GDK_PIXBUF
201 GError *err = NULL; 310 GError *err = NULL;
202 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(image_path, &err); 311 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(image_path, &err);
203 if (!pixbuf) { 312 if (!pixbuf) {
204 sway_abort("Failed to load background image."); 313 sway_abort("Failed to load background image.");
205 } 314 }
206 cairo_surface_t *image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf); 315 image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
207 g_object_unref(pixbuf); 316 g_object_unref(pixbuf);
208#else 317#else
209 cairo_surface_t *image = cairo_image_surface_create_from_png(argv[1]); 318 cairo_surface_t *image = cairo_image_surface_create_from_png(argv[1]);
210#endif //WITH_GDK_PIXBUF 319#endif //WITH_GDK_PIXBUF
211 if (!image) { 320 if (!image) {
212 sway_abort("Failed to read background image."); 321 sway_abort("Failed to read background image.");
213 } 322 }
214 double width = cairo_image_surface_get_width(image);
215 double height = cairo_image_surface_get_height(image);
216
217 enum scaling_mode scaling_mode = SCALING_MODE_STRETCH;
218 if (strcmp(scaling_mode_str, "stretch") == 0) {
219 scaling_mode = SCALING_MODE_STRETCH;
220 } else if (strcmp(scaling_mode_str, "fill") == 0) {
221 scaling_mode = SCALING_MODE_FILL;
222 } else if (strcmp(scaling_mode_str, "fit") == 0) {
223 scaling_mode = SCALING_MODE_FIT;
224 } else if (strcmp(scaling_mode_str, "center") == 0) {
225 scaling_mode = SCALING_MODE_CENTER;
226 } else if (strcmp(scaling_mode_str, "tile") == 0) {
227 scaling_mode = SCALING_MODE_TILE;
228 } else {
229 sway_abort("Unsupported scaling mode: %s", scaling_mode_str);
230 } 323 }
231 324
232 for (i = 0; i < surfaces->length; ++i) { 325 for (i = 0; i < surfaces->length; ++i) {
233 struct window *window = surfaces->items[i]; 326 struct window *window = surfaces->items[i];
234 if (window_prerender(window) && window->cairo) { 327 if (!window_prerender(window) || !window->cairo) {
235 switch (scaling_mode) { 328 continue;
236 case SCALING_MODE_STRETCH: 329 }
237 cairo_scale(window->cairo, 330 if (image) {
238 (double) window->width / width, 331 render_image(window, image, scaling_mode);
239 (double) window->height / height); 332 } else {
240 cairo_set_source_surface(window->cairo, image, 0, 0); 333 render_color(window, color);
241 break;
242 case SCALING_MODE_FILL:
243 {
244 double window_ratio = (double) window->width / window->height;
245 double bg_ratio = width / height;
246
247 if (window_ratio > bg_ratio) {
248 double scale = (double) window->width / width;
249 cairo_scale(window->cairo, scale, scale);
250 cairo_set_source_surface(window->cairo, image,
251 0,
252 (double) window->height/2 / scale - height/2);
253 } else {
254 double scale = (double) window->height / height;
255 cairo_scale(window->cairo, scale, scale);
256 cairo_set_source_surface(window->cairo, image,
257 (double) window->width/2 / scale - width/2,
258 0);
259 }
260 break;
261 }
262 case SCALING_MODE_FIT:
263 {
264 double window_ratio = (double) window->width / window->height;
265 double bg_ratio = width / height;
266
267 if (window_ratio > bg_ratio) {
268 double scale = (double) window->height / height;
269 cairo_scale(window->cairo, scale, scale);
270 cairo_set_source_surface(window->cairo, image,
271 (double) window->width/2 / scale - width/2,
272 0);
273 } else {
274 double scale = (double) window->width / width;
275 cairo_scale(window->cairo, scale, scale);
276 cairo_set_source_surface(window->cairo, image,
277 0,
278 (double) window->height/2 / scale - height/2);
279 }
280 break;
281 }
282 case SCALING_MODE_CENTER:
283 cairo_set_source_surface(window->cairo, image,
284 (double) window->width/2 - width/2,
285 (double) window->height/2 - height/2);
286 break;
287 case SCALING_MODE_TILE:
288 {
289 cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image);
290 cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
291 cairo_set_source(window->cairo, pattern);
292 break;
293 }
294 default:
295 sway_abort("Scaling mode '%s' not implemented yet!", scaling_mode_str);
296 }
297
298 cairo_paint(window->cairo);
299
300 window_render(window);
301 } 334 }
302 } 335 }
303 336
304 cairo_surface_destroy(image); 337 if (image) {
338 cairo_surface_destroy(image);
339 }
305 340
306 bool locked = false; 341 bool locked = false;
307 while (wl_display_dispatch(registry->display) != -1) { 342 while (wl_display_dispatch(registry->display) != -1) {
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