mirror of https://github.com/swaywm/sway.git
swaylock: extract render_image
This commit is contained in:
Christoph Gysin
parent
bbd6c5be91
commit
2b58c03ed5
177
swaylock/main.c
177
swaylock/main.c
|
|
@ -115,6 +115,76 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
|
|||
}
|
||||
}
|
||||
|
||||
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);
|
||||
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
cairo_paint(window->cairo);
|
||||
|
||||
window_render(window);
|
||||
}
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
char *image_path = NULL;
|
||||
char *scaling_mode_str = "fit";
|
||||
|
|
@ -176,6 +246,21 @@ int main(int argc, char **argv) {
|
|||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
password = malloc(1024); // TODO: Let this grow
|
||||
password[0] = '\0';
|
||||
surfaces = create_list();
|
||||
|
|
@ -197,13 +282,14 @@ int main(int argc, char **argv) {
|
|||
|
||||
registry->input->notify = notify_key;
|
||||
|
||||
cairo_surface_t *image = NULL;
|
||||
#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.");
|
||||
}
|
||||
cairo_surface_t *image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
|
||||
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]);
|
||||
|
|
@ -211,93 +297,14 @@ int main(int argc, char **argv) {
|
|||
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);
|
||||
|
||||
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);
|
||||
if (!window_prerender(window) || !window->cairo) {
|
||||
continue;
|
||||
}
|
||||
if (image) {
|
||||
render_image(window, image, scaling_mode);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue