swaybar, swaylock, & tree/container: Set cairo font options to render text and lines with subpixel hinting (if available).

This commit is contained in:
Geoff Greer 2018-09-20 20:37:08 -07:00
parent eae42606e2
commit c495164f60
9 changed files with 53 additions and 5 deletions

View file

@ -13,6 +13,22 @@ void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
(color >> (0*8) & 0xFF) / 255.0);
}
cairo_subpixel_order_t to_cairo_subpixel_order(enum wl_output_subpixel subpixel) {
switch (subpixel) {
case WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB:
return CAIRO_SUBPIXEL_ORDER_RGB;
case WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR:
return CAIRO_SUBPIXEL_ORDER_BGR;
case WL_OUTPUT_SUBPIXEL_VERTICAL_RGB:
return CAIRO_SUBPIXEL_ORDER_VRGB;
case WL_OUTPUT_SUBPIXEL_VERTICAL_BGR:
return CAIRO_SUBPIXEL_ORDER_VBGR;
default:
return CAIRO_SUBPIXEL_ORDER_DEFAULT;
}
return CAIRO_SUBPIXEL_ORDER_DEFAULT;
}
cairo_surface_t *cairo_image_surface_scale(cairo_surface_t *image,
int width, int height) {
int image_width = cairo_image_surface_get_width(image);

View file

@ -2,8 +2,10 @@
#define _SWAY_CAIRO_H
#include <stdint.h>
#include <cairo/cairo.h>
#include <wlr/types/wlr_output.h>
void cairo_set_source_u32(cairo_t *cairo, uint32_t color);
cairo_subpixel_order_t to_cairo_subpixel_order(enum wl_output_subpixel subpixel);
cairo_surface_t *cairo_image_surface_scale(cairo_surface_t *image,
int width, int height);

View file

@ -81,6 +81,7 @@ struct swaybar_output {
uint32_t width, height;
int32_t scale;
enum wl_output_subpixel subpixel;
struct pool_buffer buffers[2];
struct pool_buffer *current_buffer;
};

View file

@ -82,6 +82,7 @@ struct swaylock_surface {
bool frame_pending, dirty;
uint32_t width, height;
int32_t scale;
enum wl_output_subpixel subpixel;
char *output_name;
struct wl_list link;
};

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@ -465,11 +465,17 @@ static void update_title_texture(struct sway_container *con,
cairo_surface_t *surface = cairo_image_surface_create(
CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cairo = cairo_create(surface);
cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
cairo_font_options_t *fo = cairo_font_options_create();
cairo_font_options_set_hint_style(fo, CAIRO_HINT_STYLE_FULL);
cairo_font_options_set_antialias(fo, CAIRO_ANTIALIAS_SUBPIXEL);
cairo_font_options_set_subpixel_order(fo, to_cairo_subpixel_order(output->wlr_output->subpixel));
cairo_set_font_options(cairo, fo);
cairo_font_options_destroy(fo);
cairo_set_source_rgba(cairo, class->background[0], class->background[1],
class->background[2], class->background[3]);
cairo_paint(cairo);
PangoContext *pango = pango_cairo_create_context(cairo);
cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
cairo_set_source_rgba(cairo, class->text[0], class->text[1],
class->text[2], class->text[3]);
cairo_move_to(cairo, 0, 0);

View file

@ -319,10 +319,14 @@ static bool bar_uses_output(struct swaybar *bar, const char *name) {
return false;
}
static void output_geometry(void *data, struct wl_output *output, int32_t x,
static void output_geometry(void *data, struct wl_output *wl_output, int32_t x,
int32_t y, int32_t width_mm, int32_t height_mm, int32_t subpixel,
const char *make, const char *model, int32_t transform) {
// Who cares
struct swaybar_output *output = data;
output->subpixel = subpixel;
if (output->surface) {
render_frame(output->bar, output);
}
}
static void output_mode(void *data, struct wl_output *output, uint32_t flags,

View file

@ -495,6 +495,13 @@ void render_frame(struct swaybar *bar, struct swaybar_output *output) {
cairo_surface_t *recorder = cairo_recording_surface_create(
CAIRO_CONTENT_COLOR_ALPHA, NULL);
cairo_t *cairo = cairo_create(recorder);
cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
cairo_font_options_t *fo = cairo_font_options_create();
cairo_font_options_set_hint_style(fo, CAIRO_HINT_STYLE_FULL);
cairo_font_options_set_antialias(fo, CAIRO_ANTIALIAS_SUBPIXEL);
cairo_font_options_set_subpixel_order(fo, to_cairo_subpixel_order(output->subpixel));
cairo_set_font_options(cairo, fo);
cairo_font_options_destroy(fo);
cairo_save(cairo);
cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR);
cairo_paint(cairo);

View file

@ -195,11 +195,15 @@ void damage_state(struct swaylock_state *state) {
}
}
static void handle_wl_output_geometry(void *data, struct wl_output *output,
static void handle_wl_output_geometry(void *data, struct wl_output *wl_output,
int32_t x, int32_t y, int32_t width_mm, int32_t height_mm,
int32_t subpixel, const char *make, const char *model,
int32_t transform) {
// Who cares
struct swaylock_surface *surface = data;
surface->subpixel = subpixel;
if (surface->state->run_display) {
damage_surface(surface);
}
}
static void handle_wl_output_mode(void *data, struct wl_output *output,

View file

@ -39,6 +39,13 @@ void render_frame(struct swaylock_surface *surface) {
}
cairo_t *cairo = surface->current_buffer->cairo;
cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
cairo_font_options_t *fo = cairo_font_options_create();
cairo_font_options_set_hint_style(fo, CAIRO_HINT_STYLE_FULL);
cairo_font_options_set_antialias(fo, CAIRO_ANTIALIAS_SUBPIXEL);
cairo_font_options_set_subpixel_order(fo, to_cairo_subpixel_order(surface->subpixel));
cairo_set_font_options(cairo, fo);
cairo_font_options_destroy(fo);
cairo_identity_matrix(cairo);
cairo_save(cairo);