Basic image rendering for swaybg

1 files changed, 6 insertions, 3 deletions

diff --git a/swaybg/main.c b/swaybg/main.c
index 56fdc06d..fd5e34c6 100644
--- a/swaybg/main.c
+++ b/swaybg/main.c
@@ -28,6 +28,10 @@ int main(int argc, char **argv) {
         surfaces = create_list();
         registry = registry_poll();
 
+        if (argc < 2) {
+                sway_abort("Usage: swaybg path/to/file.png");
+        }
+
         if (!registry->desktop_shell) {
                 sway_abort("swaybg requires the compositor to support the desktop-shell extension.");
         }
@@ -45,19 +49,18 @@ int main(int argc, char **argv) {
                 list_add(surfaces, window);
         }
 
-        uint8_t r = 0, g = 0, b = 0;
+        cairo_surface_t *image = cairo_image_surface_create_from_png(argv[1]);
 
         do {
                 for (i = 0; i < surfaces->length; ++i) {
                         struct window *window = surfaces->items[i];
                         if (window_prerender(window) && window->cairo) {
-                                cairo_set_source_rgb(window->cairo, r / 256.0, g / 256.0, b / 256.0);
+                                cairo_set_source_surface(window->cairo, image, 0, 0);
                                 cairo_rectangle(window->cairo, 0, 0, window->width, window->height);
                                 cairo_fill(window->cairo);
 
                                 window_render(window);
                         }
-                        r++; g += 2; b += 4;
                 }
         } while (wl_display_dispatch(registry->display) != -1);