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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 5fac02d278
commit dd1eb78931
1 changed files with 29 additions and 24 deletions
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53
main.c
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@ -223,58 +223,60 @@ void render_color(struct window *window, uint32_t color) {
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);
int wwidth = window->width * window->scale;
int wheight = window->height * window->scale;
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 bg_ratio = width / height;
double window_ratio = (double) wwidth / wheight;
double bg_ratio = wheight;
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:
{
@ -477,7 +479,8 @@ int main(int argc, char **argv) {
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, true);
struct window *window = window_setup(registry,
output->width, output->height, output->scale, true);
if (!window) {
sway_abort("Failed to create surfaces.");
}
@ -564,6 +567,8 @@ void render(struct render_data *render_data) {
if (!window_prerender(window) || !window->cairo) {
continue;
}
int wwidth = window->width * window->scale;
int wheight = window->height * window->scale;
// Reset the transformation matrix
cairo_identity_matrix(window->cairo);
@ -595,7 +600,7 @@ void render(struct render_data *render_data) {
if (show_indicator && render_data->auth_state != AUTH_STATE_IDLE) {
// Draw circle
cairo_set_line_width(window->cairo, ARC_THICKNESS);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, 0, 2 * M_PI);
cairo_arc(window->cairo, wwidth/2, wheight/2, ARC_RADIUS, 0, 2 * M_PI);
switch (render_data->auth_state) {
case AUTH_STATE_INPUT:
case AUTH_STATE_BACKSPACE: {
@ -638,8 +643,8 @@ void render(struct render_data *render_data) {
double x, y;
cairo_text_extents(window->cairo, text, &extents);
x = window->width/2 - ((extents.width/2) + extents.x_bearing);
y = window->height/2 - ((extents.height/2) + extents.y_bearing);
x = wwidth/2 - ((extents.width/2) + extents.x_bearing);
y = wheight/2 - ((extents.height/2) + extents.y_bearing);
cairo_move_to(window->cairo, x, y);
cairo_show_text(window->cairo, text);
@ -651,7 +656,7 @@ void render(struct render_data *render_data) {
if (render_data->auth_state == AUTH_STATE_INPUT || render_data->auth_state == AUTH_STATE_BACKSPACE) {
static double highlight_start = 0;
highlight_start += (rand() % (int)(M_PI * 100)) / 100.0 + M_PI * 0.5;
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start, highlight_start + TYPE_INDICATOR_RANGE);
cairo_arc(window->cairo, wwidth/2, wheight/2, ARC_RADIUS, highlight_start, highlight_start + TYPE_INDICATOR_RANGE);
if (render_data->auth_state == AUTH_STATE_INPUT) {
cairo_set_source_rgb(window->cairo, 51.0 / 255, 219.0 / 255, 0);
} else {
@ -661,19 +666,19 @@ void render(struct render_data *render_data) {
// Draw borders
cairo_set_source_rgb(window->cairo, 0, 0, 0);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start, highlight_start + TYPE_INDICATOR_BORDER_THICKNESS);
cairo_arc(window->cairo, wwidth/2, wheight/2, ARC_RADIUS, highlight_start, highlight_start + TYPE_INDICATOR_BORDER_THICKNESS);
cairo_stroke(window->cairo);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start + TYPE_INDICATOR_RANGE, (highlight_start + TYPE_INDICATOR_RANGE) + TYPE_INDICATOR_BORDER_THICKNESS);
cairo_arc(window->cairo, wwidth/2, wheight/2, ARC_RADIUS, highlight_start + TYPE_INDICATOR_RANGE, (highlight_start + TYPE_INDICATOR_RANGE) + TYPE_INDICATOR_BORDER_THICKNESS);
cairo_stroke(window->cairo);
}
// Draw inner + outer border of the circle
cairo_set_source_rgb(window->cairo, 0, 0, 0);
cairo_set_line_width(window->cairo, 2.0);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS - ARC_THICKNESS/2, 0, 2*M_PI);
cairo_arc(window->cairo, wwidth/2, wheight/2, ARC_RADIUS - ARC_THICKNESS/2, 0, 2*M_PI);
cairo_stroke(window->cairo);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS + ARC_THICKNESS/2, 0, 2*M_PI);
cairo_arc(window->cairo, wwidth/2, wheight/2, ARC_RADIUS + ARC_THICKNESS/2, 0, 2*M_PI);
cairo_stroke(window->cairo);
}
window_render(window);