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Add client support for HiDPI

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This adds HiDPI support to swaybar, swaybg, and swaylock.
This commit is contained in:
Drew DeVault 2016-09-05 11:36:48 -04:00
parent 61184e3208
commit b2226ac655
9 changed files with 96 additions and 61 deletions
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34
swaybg/main.c
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@ -69,7 +69,8 @@ int main(int argc, const char **argv) {
sway_log(L_INFO, "Using output %d of %d", desired_output, registry->outputs->length);
int i;
struct output_state *output = registry->outputs->items[desired_output];
struct window *window = window_setup(registry, output->width, output->height, false);
struct window *window = window_setup(registry,
output->width, output->height, output->scale, false);
if (!window) {
sway_abort("Failed to create surfaces.");
}
@ -115,60 +116,63 @@ int main(int argc, const char **argv) {
sway_abort("Unsupported scaling mode: %s", scaling_mode_str);
}
int wwidth = window->width * window->scale;
int wheight = window->height * window->scale;
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);
(double) wwidth / width,
(double) wheight / height);
cairo_set_source_surface(window->cairo, image, 0, 0);
break;
case SCALING_MODE_FILL:
{
double window_ratio = (double) window->width / window->height;
double window_ratio = (double) wwidth / wheight;
double bg_ratio = width / height;
if (window_ratio > bg_ratio) {
double scale = (double) window->width / width;
double scale = (double) wwidth / width;
cairo_scale(window->cairo, scale, scale);
cairo_set_source_surface(window->cairo, image,
0,
(double) window->height/2 / scale - height/2);
(double) wheight/2 / scale - height/2);
} else {
double scale = (double) window->height / height;
double scale = (double) wheight / height;
cairo_scale(window->cairo, scale, scale);
cairo_set_source_surface(window->cairo, image,
(double) window->width/2 / scale - width/2,
(double) wwidth/2 / scale - width/2,
0);
}
break;
}
case SCALING_MODE_FIT:
{
double window_ratio = (double) window->width / window->height;
double window_ratio = (double) wwidth / wheight;
double bg_ratio = width / height;
if (window_ratio > bg_ratio) {
double scale = (double) window->height / height;
double scale = (double) wheight / height;
cairo_scale(window->cairo, scale, scale);
cairo_set_source_surface(window->cairo, image,
(double) window->width/2 / scale - width/2,
(double) wwidth/2 / scale - width/2,
0);
} else {
double scale = (double) window->width / width;
double scale = (double) wwidth / width;
cairo_scale(window->cairo, scale, scale);
cairo_set_source_surface(window->cairo, image,
0,
(double) window->height/2 / scale - height/2);
(double) wheight/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);
(double) wwidth/2 - width/2,
(double) wheight/2 - height/2);
break;
case SCALING_MODE_TILE:
{