diff options
Diffstat (limited to 'src/render.c')
| -rw-r--r-- | src/render.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/src/render.c b/src/render.c index 6aa459f..03f4631 100644 --- a/src/render.c +++ b/src/render.c @@ -3,6 +3,8 @@ #include<stdbool.h> #include<unistd.h> #include<string.h> +#include<math.h> + #include<cairo/cairo.h> #include<wayland-server.h> #include<wayland-client.h> @@ -15,10 +17,12 @@ #include"colour.h" #include"render.h" +#define PI 3.141592653589793238462643383279502884 + static void rounded_rectangle (cairo_t *cairo, uint32_t x, uint32_t y, uint32_t w, uint32_t h, double tl_r, double tr_r, double bl_r, double br_r) { - double degrees = 3.1415927 / 180.0; + double degrees = PI / 180.0; cairo_new_sub_path(cairo); cairo_arc(cairo, x + w - tr_r, y + tr_r, tr_r, -90 * degrees, 0 * degrees); cairo_arc(cairo, x + w - br_r, y + h - br_r, br_r, 0 * degrees, 90 * degrees); @@ -99,6 +103,33 @@ static void draw_background (cairo_t *cairo, struct Wlclock_dimensions *dimensio cairo_restore(cairo); } +static void draw_clock_face (cairo_t *cairo, struct Wlclock_dimensions *dimensions, + int32_t scale, struct Wlclock *clock) +{ + double cx = dimensions->center_x + (dimensions->center_size / 2); + double cy = dimensions->center_y + (dimensions->center_size / 2); + double or = 0.9 * (double)(dimensions->center_size / 2); + double ir = 0.85 * (double)(dimensions->center_size / 2); + double bir = 0.8 * (double)(dimensions->center_size / 2); + double phi; + double phi_step = 2 * PI / 60; + + cairo_save(cairo); + for (int i = 0; i < 60; i++) + { + phi = i * phi_step; + cairo_move_to(cairo, cx + or * cos(phi), cy + or * sin(phi)); + if ( i % 5 == 0 ) + cairo_line_to(cairo, cx + bir * cos(phi), cy + bir * sin(phi)); + else + cairo_line_to(cairo, cx + ir * cos(phi), cy + ir * sin(phi)); + } + cairo_set_line_width(cairo, 1); + colour_set_cairo_source(cairo, &clock->clock_colour); + cairo_stroke(cairo); + cairo_restore(cairo); +} + static void clear_buffer (cairo_t *cairo) { cairo_save(cairo); @@ -124,8 +155,8 @@ void render_surface_frame (struct Wlclock_surface *surface) clear_buffer(cairo); draw_background(cairo, &surface->dimensions, scale, clock); + draw_clock_face(cairo, &surface->dimensions, scale, clock); - // TODO draw clock face // TODO draw clock hands to subsurface wl_surface_set_buffer_scale(surface->surface, scale); |