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swaylock: support --color

This commit is contained in:
Christoph Gysin 2016-01-25 21:17:36 +02:00
parent 2b58c03ed5
commit 42bd8c53ee
1 changed files with 46 additions and 18 deletions
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64
swaylock/main.c
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@ -115,6 +115,20 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
}
}
static void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
cairo_set_source_rgba(cairo,
(color >> (3*8) & 0xFF) / 255.0,
(color >> (2*8) & 0xFF) / 255.0,
(color >> (1*8) & 0xFF) / 255.0,
(color >> (0*8) & 0xFF) / 255.0);
}
void render_color(struct window *window, uint32_t color) {
cairo_set_source_u32(window->cairo, color);
cairo_paint(window->cairo);
window_render(window);
}
void render_image(struct window *window, cairo_surface_t *image, enum scaling_mode scaling_mode) {
double width = cairo_image_surface_get_width(image);
double height = cairo_image_surface_get_height(image);
@ -188,11 +202,13 @@ void render_image(struct window *window, cairo_surface_t *image, enum scaling_mo
int main(int argc, char **argv) {
char *image_path = NULL;
char *scaling_mode_str = "fit";
uint32_t color = 0xFFFFFFFF;
init_log(L_INFO);
static struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"color", required_argument, NULL, 'c'},
{"image", required_argument, NULL, 'i'},
{"scaling", required_argument, NULL, 's'},
{"tiling", no_argument, NULL, 't'},
@ -204,6 +220,7 @@ int main(int argc, char **argv) {
"Usage: swaylock [options...]\n"
"\n"
" -h, --help Show help message and quit.\n"
" -c, --color <rrggbb> Turn the screen into the given color instead of white.\n"
" -s, --scaling Scaling mode: stretch, fill, fit, center, tile.\n"
" -t, --tiling Same as --scaling=tile.\n"
" -v, --version Show the version number and quit.\n"
@ -212,11 +229,21 @@ int main(int argc, char **argv) {
int c;
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "hi:s:tv", long_options, &option_index);
c = getopt_long(argc, argv, "hc:i:s:tv", long_options, &option_index);
if (c == -1) {
break;
}
switch (c) {
case 'c':
if (strlen(optarg) < 6) {
fprintf(stderr, "color must be specified in 3 byte format, e.g. ff0000\n");
exit(EXIT_FAILURE);
}
color = strtol(optarg, NULL, 16);
color <<= 8;
color |= 0xFF;
sway_log(L_DEBUG, "color: 0x%x", color);
break;
case 'i':
image_path = optarg;
break;
@ -240,12 +267,6 @@ int main(int argc, char **argv) {
}
}
// TODO: support locking without image
if (!image_path) {
fprintf(stderr, "No image specified!\n");
exit(EXIT_FAILURE);
}
enum scaling_mode scaling_mode = SCALING_MODE_STRETCH;
if (strcmp(scaling_mode_str, "stretch") == 0) {
scaling_mode = SCALING_MODE_STRETCH;
@ -283,19 +304,22 @@ int main(int argc, char **argv) {
registry->input->notify = notify_key;
cairo_surface_t *image = NULL;
if (image_path) {
#ifdef WITH_GDK_PIXBUF
GError *err = NULL;
GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(image_path, &err);
if (!pixbuf) {
sway_abort("Failed to load background image.");
}
image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
g_object_unref(pixbuf);
GError *err = NULL;
GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(image_path, &err);
if (!pixbuf) {
sway_abort("Failed to load background image.");
}
image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
g_object_unref(pixbuf);
#else
cairo_surface_t *image = cairo_image_surface_create_from_png(argv[1]);
cairo_surface_t *image = cairo_image_surface_create_from_png(argv[1]);
#endif //WITH_GDK_PIXBUF
if (!image) {
sway_abort("Failed to read background image.");
if (!image) {
sway_abort("Failed to read background image.");
}
}
for (i = 0; i < surfaces->length; ++i) {
@ -305,10 +329,14 @@ int main(int argc, char **argv) {
}
if (image) {
render_image(window, image, scaling_mode);
} else {
render_color(window, color);
}
}
cairo_surface_destroy(image);
if (image) {
cairo_surface_destroy(image);
}
bool locked = false;
while (wl_display_dispatch(registry->display) != -1) {