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https://github.com/swaywm/sway.git
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Merge pull request #475 from christophgysin/swaylock_color
swaylock: implement --color
This commit is contained in:
Drew DeVault
commit
d2af1f3395
239
swaylock/main.c
239
swaylock/main.c
@ -115,14 +115,100 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
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}
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}
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static void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
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cairo_set_source_rgba(cairo,
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(color >> (3*8) & 0xFF) / 255.0,
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(color >> (2*8) & 0xFF) / 255.0,
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(color >> (1*8) & 0xFF) / 255.0,
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(color >> (0*8) & 0xFF) / 255.0);
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}
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void render_color(struct window *window, uint32_t color) {
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cairo_set_source_u32(window->cairo, color);
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cairo_paint(window->cairo);
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window_render(window);
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}
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void render_image(struct window *window, cairo_surface_t *image, enum scaling_mode scaling_mode) {
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double width = cairo_image_surface_get_width(image);
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double height = cairo_image_surface_get_height(image);
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switch (scaling_mode) {
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case SCALING_MODE_STRETCH:
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cairo_scale(window->cairo,
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(double) window->width / width,
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(double) window->height / height);
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cairo_set_source_surface(window->cairo, image, 0, 0);
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break;
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case SCALING_MODE_FILL:
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{
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double window_ratio = (double) window->width / window->height;
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double bg_ratio = width / height;
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if (window_ratio > bg_ratio) {
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double scale = (double) window->width / width;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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0,
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(double) window->height/2 / scale - height/2);
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} else {
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double scale = (double) window->height / height;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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(double) window->width/2 / scale - width/2,
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0);
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}
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break;
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}
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case SCALING_MODE_FIT:
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{
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double window_ratio = (double) window->width / window->height;
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double bg_ratio = width / height;
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if (window_ratio > bg_ratio) {
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double scale = (double) window->height / height;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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(double) window->width/2 / scale - width/2,
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0);
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} else {
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double scale = (double) window->width / width;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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0,
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(double) window->height/2 / scale - height/2);
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}
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break;
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}
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case SCALING_MODE_CENTER:
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cairo_set_source_surface(window->cairo, image,
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(double) window->width/2 - width/2,
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(double) window->height/2 - height/2);
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break;
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case SCALING_MODE_TILE:
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{
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cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image);
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cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
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cairo_set_source(window->cairo, pattern);
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break;
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}
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}
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cairo_paint(window->cairo);
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window_render(window);
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}
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int main(int argc, char **argv) {
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char *image_path = NULL;
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char *scaling_mode_str = "fit";
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uint32_t color = 0xFFFFFFFF;
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init_log(L_INFO);
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static struct option long_options[] = {
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{"help", no_argument, NULL, 'h'},
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{"color", required_argument, NULL, 'c'},
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{"image", required_argument, NULL, 'i'},
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{"scaling", required_argument, NULL, 's'},
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{"tiling", no_argument, NULL, 't'},
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@ -134,6 +220,7 @@ int main(int argc, char **argv) {
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"Usage: swaylock [options...]\n"
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"\n"
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" -h, --help Show help message and quit.\n"
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" -c, --color <rrggbb> Turn the screen into the given color instead of white.\n"
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" -s, --scaling Scaling mode: stretch, fill, fit, center, tile.\n"
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" -t, --tiling Same as --scaling=tile.\n"
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" -v, --version Show the version number and quit.\n"
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@ -142,11 +229,21 @@ int main(int argc, char **argv) {
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int c;
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while (1) {
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int option_index = 0;
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c = getopt_long(argc, argv, "hi:s:tv", long_options, &option_index);
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c = getopt_long(argc, argv, "hc:i:s:tv", long_options, &option_index);
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if (c == -1) {
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break;
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}
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switch (c) {
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case 'c':
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if (strlen(optarg) < 6) {
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fprintf(stderr, "color must be specified in 3 byte format, e.g. ff0000\n");
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exit(EXIT_FAILURE);
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}
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color = strtol(optarg, NULL, 16);
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color <<= 8;
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color |= 0xFF;
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sway_log(L_DEBUG, "color: 0x%x", color);
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break;
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case 'i':
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image_path = optarg;
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break;
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@ -170,10 +267,19 @@ int main(int argc, char **argv) {
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}
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}
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// TODO: support locking without image
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if (!image_path) {
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fprintf(stderr, "No image specified!\n");
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exit(EXIT_FAILURE);
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enum scaling_mode scaling_mode = SCALING_MODE_STRETCH;
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if (strcmp(scaling_mode_str, "stretch") == 0) {
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scaling_mode = SCALING_MODE_STRETCH;
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} else if (strcmp(scaling_mode_str, "fill") == 0) {
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scaling_mode = SCALING_MODE_FILL;
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} else if (strcmp(scaling_mode_str, "fit") == 0) {
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scaling_mode = SCALING_MODE_FIT;
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} else if (strcmp(scaling_mode_str, "center") == 0) {
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scaling_mode = SCALING_MODE_CENTER;
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} else if (strcmp(scaling_mode_str, "tile") == 0) {
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scaling_mode = SCALING_MODE_TILE;
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} else {
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sway_abort("Unsupported scaling mode: %s", scaling_mode_str);
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}
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password = malloc(1024); // TODO: Let this grow
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@ -197,111 +303,40 @@ int main(int argc, char **argv) {
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registry->input->notify = notify_key;
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#ifdef WITH_GDK_PIXBUF
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GError *err = NULL;
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GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(image_path, &err);
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if (!pixbuf) {
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sway_abort("Failed to load background image.");
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}
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cairo_surface_t *image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
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g_object_unref(pixbuf);
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#else
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cairo_surface_t *image = cairo_image_surface_create_from_png(argv[1]);
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#endif //WITH_GDK_PIXBUF
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if (!image) {
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sway_abort("Failed to read background image.");
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}
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double width = cairo_image_surface_get_width(image);
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double height = cairo_image_surface_get_height(image);
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cairo_surface_t *image = NULL;
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enum scaling_mode scaling_mode = SCALING_MODE_STRETCH;
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if (strcmp(scaling_mode_str, "stretch") == 0) {
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scaling_mode = SCALING_MODE_STRETCH;
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} else if (strcmp(scaling_mode_str, "fill") == 0) {
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scaling_mode = SCALING_MODE_FILL;
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} else if (strcmp(scaling_mode_str, "fit") == 0) {
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scaling_mode = SCALING_MODE_FIT;
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} else if (strcmp(scaling_mode_str, "center") == 0) {
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scaling_mode = SCALING_MODE_CENTER;
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} else if (strcmp(scaling_mode_str, "tile") == 0) {
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scaling_mode = SCALING_MODE_TILE;
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} else {
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sway_abort("Unsupported scaling mode: %s", scaling_mode_str);
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if (image_path) {
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#ifdef WITH_GDK_PIXBUF
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GError *err = NULL;
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GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(image_path, &err);
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if (!pixbuf) {
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sway_abort("Failed to load background image.");
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}
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image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
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g_object_unref(pixbuf);
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#else
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cairo_surface_t *image = cairo_image_surface_create_from_png(argv[1]);
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#endif //WITH_GDK_PIXBUF
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if (!image) {
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sway_abort("Failed to read background image.");
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}
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}
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for (i = 0; i < surfaces->length; ++i) {
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struct window *window = surfaces->items[i];
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if (window_prerender(window) && window->cairo) {
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switch (scaling_mode) {
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case SCALING_MODE_STRETCH:
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cairo_scale(window->cairo,
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(double) window->width / width,
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(double) window->height / height);
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cairo_set_source_surface(window->cairo, image, 0, 0);
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break;
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case SCALING_MODE_FILL:
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{
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double window_ratio = (double) window->width / window->height;
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double bg_ratio = width / height;
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if (window_ratio > bg_ratio) {
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double scale = (double) window->width / width;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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0,
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(double) window->height/2 / scale - height/2);
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} else {
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double scale = (double) window->height / height;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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(double) window->width/2 / scale - width/2,
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0);
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}
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break;
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}
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case SCALING_MODE_FIT:
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{
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double window_ratio = (double) window->width / window->height;
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double bg_ratio = width / height;
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if (window_ratio > bg_ratio) {
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double scale = (double) window->height / height;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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(double) window->width/2 / scale - width/2,
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0);
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} else {
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double scale = (double) window->width / width;
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cairo_scale(window->cairo, scale, scale);
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cairo_set_source_surface(window->cairo, image,
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0,
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(double) window->height/2 / scale - height/2);
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}
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break;
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}
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case SCALING_MODE_CENTER:
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cairo_set_source_surface(window->cairo, image,
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(double) window->width/2 - width/2,
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(double) window->height/2 - height/2);
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break;
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case SCALING_MODE_TILE:
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{
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cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image);
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cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
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cairo_set_source(window->cairo, pattern);
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break;
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}
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default:
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sway_abort("Scaling mode '%s' not implemented yet!", scaling_mode_str);
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}
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cairo_paint(window->cairo);
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window_render(window);
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if (!window_prerender(window) || !window->cairo) {
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continue;
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}
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if (image) {
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render_image(window, image, scaling_mode);
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} else {
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render_color(window, color);
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}
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}
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cairo_surface_destroy(image);
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if (image) {
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cairo_surface_destroy(image);
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}
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bool locked = false;
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while (wl_display_dispatch(registry->display) != -1) {
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