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-rw-r--r--swaybg/main.c139
1 files changed, 13 insertions, 126 deletions
diff --git a/swaybg/main.c b/swaybg/main.c
index c282a707..679b8c20 100644
--- a/swaybg/main.c
+++ b/swaybg/main.c
@@ -7,20 +7,12 @@
#include <time.h>
#include <wayland-client.h>
#include <wlr/util/log.h>
+#include "background-image.h"
#include "pool-buffer.h"
#include "cairo.h"
#include "util.h"
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
-enum background_mode {
- BACKGROUND_MODE_STRETCH,
- BACKGROUND_MODE_FILL,
- BACKGROUND_MODE_FIT,
- BACKGROUND_MODE_CENTER,
- BACKGROUND_MODE_TILE,
- BACKGROUND_MODE_SOLID_COLOR,
-};
-
struct swaybg_args {
int output_idx;
const char *path;
@@ -71,85 +63,18 @@ bool is_valid_color(const char *color) {
return true;
}
-static void render_image(struct swaybg_state *state) {
- cairo_t *cairo = state->current_buffer->cairo;
- cairo_surface_t *image = state->context.image;
- double width = cairo_image_surface_get_width(image);
- double height = cairo_image_surface_get_height(image);
- int buffer_width = state->width * state->scale;
- int buffer_height = state->height * state->scale;
-
- switch (state->args->mode) {
- case BACKGROUND_MODE_STRETCH:
- cairo_scale(cairo, (double)buffer_width / width,
- (double)buffer_height / height);
- cairo_set_source_surface(cairo, image, 0, 0);
- break;
- case BACKGROUND_MODE_FILL: {
- double window_ratio = (double)buffer_width / buffer_height;
- double bg_ratio = width / height;
-
- if (window_ratio > bg_ratio) {
- double scale = (double)buffer_width / width;
- cairo_scale(cairo, scale, scale);
- cairo_set_source_surface(cairo, image,
- 0, (double)buffer_height / 2 / scale - height / 2);
- } else {
- double scale = (double)buffer_height / height;
- cairo_scale(cairo, scale, scale);
- cairo_set_source_surface(cairo, image,
- (double)buffer_width / 2 / scale - width / 2, 0);
- }
- break;
- }
- case BACKGROUND_MODE_FIT: {
- double window_ratio = (double)buffer_width / buffer_height;
- double bg_ratio = width / height;
-
- if (window_ratio > bg_ratio) {
- double scale = (double)buffer_height / height;
- cairo_scale(cairo, scale, scale);
- cairo_set_source_surface(cairo, image,
- (double)buffer_width / 2 / scale - width / 2, 0);
- } else {
- double scale = (double)buffer_width / width;
- cairo_scale(cairo, scale, scale);
- cairo_set_source_surface(cairo, image,
- 0, (double)buffer_height / 2 / scale - height / 2);
- }
- break;
- }
- case BACKGROUND_MODE_CENTER:
- cairo_set_source_surface(cairo, image,
- (double)buffer_width / 2 - width / 2,
- (double)buffer_height / 2 - height / 2);
- break;
- case BACKGROUND_MODE_TILE: {
- cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image);
- cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
- cairo_set_source(cairo, pattern);
- break;
- }
- case BACKGROUND_MODE_SOLID_COLOR:
- assert(0);
- break;
- }
- cairo_paint(cairo);
-}
-
static void render_frame(struct swaybg_state *state) {
- state->current_buffer = get_next_buffer(state->shm, state->buffers,
- state->width * state->scale, state->height * state->scale);
+ int buffer_width = state->width * state->scale,
+ buffer_height = state->height * state->scale;
+ state->current_buffer = get_next_buffer(state->shm,
+ state->buffers, buffer_width, buffer_height);
cairo_t *cairo = state->current_buffer->cairo;
-
- switch (state->args->mode) {
- case BACKGROUND_MODE_SOLID_COLOR:
+ if (state->args->mode == BACKGROUND_MODE_SOLID_COLOR) {
cairo_set_source_u32(cairo, state->context.color);
cairo_paint(cairo);
- break;
- default:
- render_image(state);
- break;
+ } else {
+ render_background_image(cairo, state->context.image,
+ state->args->mode, buffer_width, buffer_height);
}
wl_surface_set_buffer_scale(state->surface, state->scale);
@@ -163,31 +88,7 @@ static bool prepare_context(struct swaybg_state *state) {
state->context.color = parse_color(state->args->path);
return is_valid_color(state->args->path);
}
-#ifdef HAVE_GDK_PIXBUF
- GError *err = NULL;
- GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(state->args->path, &err);
- if (!pixbuf) {
- wlr_log(L_ERROR, "Failed to load background image.");
- return false;
- }
- state->context.image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
- g_object_unref(pixbuf);
-#else
- state->context.image = cairo_image_surface_create_from_png(
- state->args->path);
-#endif //HAVE_GDK_PIXBUF
- if (!state->context.image) {
- wlr_log(L_ERROR, "Failed to read background image.");
- return false;
- }
- if (cairo_surface_status(state->context.image) != CAIRO_STATUS_SUCCESS) {
- wlr_log(L_ERROR, "Failed to read background image: %s."
-#ifndef HAVE_GDK_PIXBUF
- "\nSway was compiled without gdk_pixbuf support, so only"
- "\nPNG images can be loaded. This is the likely cause."
-#endif //HAVE_GDK_PIXBUF
- , cairo_status_to_string(
- cairo_surface_status(state->context.image)));
+ if (!(state->context.image = load_background_image(state->args->path))) {
return false;
}
return true;
@@ -294,24 +195,10 @@ int main(int argc, const char **argv) {
args.output_idx = atoi(argv[1]);
args.path = argv[2];
- args.mode = BACKGROUND_MODE_STRETCH;
- if (strcmp(argv[3], "stretch") == 0) {
- args.mode = BACKGROUND_MODE_STRETCH;
- } else if (strcmp(argv[3], "fill") == 0) {
- args.mode = BACKGROUND_MODE_FILL;
- } else if (strcmp(argv[3], "fit") == 0) {
- args.mode = BACKGROUND_MODE_FIT;
- } else if (strcmp(argv[3], "center") == 0) {
- args.mode = BACKGROUND_MODE_CENTER;
- } else if (strcmp(argv[3], "tile") == 0) {
- args.mode = BACKGROUND_MODE_TILE;
- } else if (strcmp(argv[3], "solid_color") == 0) {
- args.mode = BACKGROUND_MODE_SOLID_COLOR;
- } else {
- wlr_log(L_ERROR, "Unsupported background mode: %s", argv[3]);
+ args.mode = parse_background_mode(argv[3]);
+ if (args.mode == BACKGROUND_MODE_INVALID) {
return 1;
}
-
if (!prepare_context(&state)) {
return 1;
}
@@ -345,10 +232,10 @@ int main(int argc, const char **argv) {
zwlr_layer_surface_v1_set_exclusive_zone(state.layer_surface, -1);
zwlr_layer_surface_v1_add_listener(state.layer_surface,
&layer_surface_listener, &state);
- state.run_display = true;
wl_surface_commit(state.surface);
wl_display_roundtrip(state.display);
+ state.run_display = true;
while (wl_display_dispatch(state.display) != -1 && state.run_display) {
// This space intentionally left blank
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 12:42:29 +0000