From 81a87ec7a721b2f14c129f86b8403cce8c434435 Mon Sep 17 00:00:00 2001 From: Christoph Gysin Date: Wed, 25 Nov 2015 20:52:34 +0200 Subject: swaybg: implement scaling mode "fill" --- swaybg/main.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/swaybg/main.c b/swaybg/main.c index 5510f2ef..a85c56bd 100644 --- a/swaybg/main.c +++ b/swaybg/main.c @@ -14,6 +14,7 @@ struct registry *registry; enum scaling_mode_t { SCALING_MODE_STRETCH, + SCALING_MODE_FILL, }; void sway_terminate(void) { @@ -61,6 +62,8 @@ int main(int argc, const char **argv) { enum scaling_mode_t scaling_mode; if (strcmp(scaling_mode_str, "stretch") == 0) { scaling_mode = SCALING_MODE_STRETCH; + } else if (strcmp(scaling_mode_str, "fill") == 0) { + scaling_mode = SCALING_MODE_FILL; } else { sway_abort("Unsupported scaling mode: %s", scaling_mode_str); } @@ -76,6 +79,26 @@ int main(int argc, const char **argv) { (double) window->height / height); cairo_set_source_surface(window->cairo, image, 0, 0); break; + case SCALING_MODE_FILL: + { + double window_ratio = (double) window->width / window->height; + double bg_ratio = width / height; + + if (window_ratio > bg_ratio) { + double scale = (double) window->width / width; + cairo_scale(window->cairo, scale, scale); + cairo_set_source_surface(window->cairo, image, + 0, + (double) window->height/2 / scale - height/2); + } else { + double scale = (double) window->height / height; + cairo_scale(window->cairo, scale, scale); + cairo_set_source_surface(window->cairo, image, + (double) window->width/2 / scale - width/2, + 0); + } + } + break; default: sway_abort("Scaling mode '%s' not implemented yet!", scaling_mode_str); } -- cgit v1.2.3