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Copy+paste swaybg code to swaylock for testing

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This commit is contained in:
Drew DeVault 2015-12-10 08:18:48 -05:00
parent 067ac6cfa7
commit d2e9c68640
2 changed files with 125 additions and 3 deletions
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124
swaylock/main.c
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@ -1,8 +1,10 @@
#include "wayland-swaylock-client-protocol.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "client/window.h"
#include "client/registry.h"
#include "client/cairo.h"
#include "log.h"
list_t *surfaces;
@ -17,6 +19,13 @@ enum scaling_mode {
};
void sway_terminate(void) {
int i;
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
window_teardown(window);
}
list_free(surfaces);
registry_teardown(registry);
exit(EXIT_FAILURE);
}
@ -32,12 +41,125 @@ int main(int argc, char **argv) {
int i;
for (i = 0; i < registry->outputs->length; ++i) {
struct output_state *output = registry->outputs->items[i];
struct window *window = window_setup(registry, output->width, output->height, false);
struct window *window = window_setup(registry, output->width, output->height, true);
if (!window) {
sway_abort("Failed to create surfaces.");
}
lock_set_lock_surface(registry->swaylock, output->output, window->surface);
list_add(surfaces, window);
}
GError *err = NULL;
GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(argv[1], &err); // TODO: Parse i3lock arguments
if (!pixbuf) {
sway_abort("Failed to load background image.");
}
cairo_surface_t *image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
g_object_unref(pixbuf);
if (!image) {
sway_abort("Failed to read background image.");
}
double width = cairo_image_surface_get_width(image);
double height = cairo_image_surface_get_height(image);
const char *scaling_mode_str = argv[2];
enum scaling_mode scaling_mode = SCALING_MODE_STRETCH;
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 if (strcmp(scaling_mode_str, "fit") == 0) {
scaling_mode = SCALING_MODE_FIT;
} else if (strcmp(scaling_mode_str, "center") == 0) {
scaling_mode = SCALING_MODE_CENTER;
} else if (strcmp(scaling_mode_str, "tile") == 0) {
scaling_mode = SCALING_MODE_TILE;
} else {
sway_abort("Unsupported scaling mode: %s", scaling_mode_str);
}
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
if (window_prerender(window) && window->cairo) {
switch (scaling_mode) {
case SCALING_MODE_STRETCH:
cairo_scale(window->cairo,
(double) window->width / width,
(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;
}
case SCALING_MODE_FIT:
{
double window_ratio = (double) window->width / window->height;
double bg_ratio = width / height;
if (window_ratio > bg_ratio) {
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);
} else {
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);
}
break;
}
case SCALING_MODE_CENTER:
cairo_set_source_surface(window->cairo, image,
(double) window->width/2 - width/2,
(double) window->height/2 - height/2);
break;
case SCALING_MODE_TILE:
{
cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image);
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
cairo_set_source(window->cairo, pattern);
break;
}
default:
sway_abort("Scaling mode '%s' not implemented yet!", scaling_mode_str);
}
cairo_paint(window->cairo);
window_render(window);
}
}
cairo_surface_destroy(image);
while (wl_display_dispatch(registry->display) != -1);
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
window_teardown(window);
}
list_free(surfaces);
registry_teardown(registry);
return 0;
}