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Willow Barraco
2023-09-08 22:56:50 +02:00
parent 2747980a4e
commit fbbf563d70
6 changed files with 1476 additions and 1626 deletions
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181
drw.c
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@ -5,131 +5,124 @@
#include "drw.h"
#include "shm_open.h"
void
drwsurf_resize(struct drwsurf *ds, uint32_t w, uint32_t h, double s) {
if (ds->buf) {
munmap(ds->pool_data, ds->size);
wl_buffer_destroy(ds->buf);
ds->buf = NULL;
}
void drwsurf_resize(struct drwsurf *ds, uint32_t w, uint32_t h, double s) {
if (ds->buf) {
munmap(ds->pool_data, ds->size);
wl_buffer_destroy(ds->buf);
ds->buf = NULL;
}
ds->scale = s;
ds->width = w * s;
ds->height = h * s;
ds->scale = s;
ds->width = w * s;
ds->height = h * s;
setup_buffer(ds);
setup_buffer(ds);
}
void
drwsurf_flip(struct drwsurf *ds) {
wl_surface_attach(ds->surf, ds->buf, 0, 0);
wl_surface_commit(ds->surf);
void drwsurf_flip(struct drwsurf *ds) {
wl_surface_attach(ds->surf, ds->buf, 0, 0);
wl_surface_commit(ds->surf);
}
void
drw_draw_text(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
uint32_t w, uint32_t h, uint32_t b, const char *label) {
void drw_draw_text(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
uint32_t w, uint32_t h, uint32_t b, const char *label) {
cairo_save(d->cairo);
cairo_save(d->cairo);
cairo_set_source_rgba(
d->cairo, color.bgra[2] / (double)255, color.bgra[1] / (double)255,
color.bgra[0] / (double)255, color.bgra[3] / (double)255);
cairo_move_to(d->cairo, x + w / 2, y + h / 2);
cairo_set_source_rgba(
d->cairo, color.bgra[2] / (double)255, color.bgra[1] / (double)255,
color.bgra[0] / (double)255, color.bgra[3] / (double)255);
cairo_move_to(d->cairo, x + w / 2, y + h / 2);
pango_layout_set_text(d->layout, label, -1);
pango_layout_set_width(d->layout, (w - (b * 2)) * PANGO_SCALE);
pango_layout_set_height(d->layout, (h - (b * 2)) * PANGO_SCALE);
pango_layout_set_text(d->layout, label, -1);
pango_layout_set_width(d->layout, (w - (b * 2)) * PANGO_SCALE);
pango_layout_set_height(d->layout, (h - (b * 2)) * PANGO_SCALE);
int width, height;
pango_layout_get_pixel_size(d->layout, &width, &height);
int width, height;
pango_layout_get_pixel_size(d->layout, &width, &height);
cairo_rel_move_to(d->cairo, -width / 2, -height / 2);
cairo_rel_move_to(d->cairo, -width / 2, -height / 2);
pango_cairo_show_layout(d->cairo, d->layout);
cairo_restore(d->cairo);
pango_cairo_show_layout(d->cairo, d->layout);
cairo_restore(d->cairo);
}
void
drw_do_clear(struct drwsurf *d, uint32_t x, uint32_t y, uint32_t w,
uint32_t h) {
cairo_save(d->cairo);
void drw_do_clear(struct drwsurf *d, uint32_t x, uint32_t y, uint32_t w,
uint32_t h) {
cairo_save(d->cairo);
cairo_set_operator(d->cairo, CAIRO_OPERATOR_CLEAR);
cairo_rectangle(d->cairo, x, y, w, h);
cairo_fill(d->cairo);
cairo_set_operator(d->cairo, CAIRO_OPERATOR_CLEAR);
cairo_rectangle(d->cairo, x, y, w, h);
cairo_fill(d->cairo);
cairo_restore(d->cairo);
cairo_restore(d->cairo);
}
void
drw_do_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
uint32_t w, uint32_t h, bool over) {
cairo_save(d->cairo);
void drw_do_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
uint32_t w, uint32_t h, bool over) {
cairo_save(d->cairo);
if (over) {
cairo_set_operator(d->cairo, CAIRO_OPERATOR_OVER);
} else {
cairo_set_operator(d->cairo, CAIRO_OPERATOR_SOURCE);
}
if (over) {
cairo_set_operator(d->cairo, CAIRO_OPERATOR_OVER);
} else {
cairo_set_operator(d->cairo, CAIRO_OPERATOR_SOURCE);
}
cairo_rectangle(d->cairo, x, y, w, h);
cairo_set_source_rgba(
d->cairo, color.bgra[2] / (double)255, color.bgra[1] / (double)255,
color.bgra[0] / (double)255, color.bgra[3] / (double)255);
cairo_fill(d->cairo);
cairo_rectangle(d->cairo, x, y, w, h);
cairo_set_source_rgba(
d->cairo, color.bgra[2] / (double)255, color.bgra[1] / (double)255,
color.bgra[0] / (double)255, color.bgra[3] / (double)255);
cairo_fill(d->cairo);
cairo_restore(d->cairo);
cairo_restore(d->cairo);
}
void
drw_fill_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
uint32_t w, uint32_t h) {
drw_do_rectangle(d, color, x, y, w, h, false);
void drw_fill_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
uint32_t w, uint32_t h) {
drw_do_rectangle(d, color, x, y, w, h, false);
}
void
drw_over_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
uint32_t w, uint32_t h) {
drw_do_rectangle(d, color, x, y, w, h, true);
void drw_over_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
uint32_t w, uint32_t h) {
drw_do_rectangle(d, color, x, y, w, h, true);
}
uint32_t
setup_buffer(struct drwsurf *drwsurf) {
int stride = drwsurf->width * 4;
drwsurf->size = stride * drwsurf->height;
uint32_t setup_buffer(struct drwsurf *drwsurf) {
int stride = drwsurf->width * 4;
drwsurf->size = stride * drwsurf->height;
int fd = allocate_shm_file(drwsurf->size);
if (fd == -1) {
return 1;
}
int fd = allocate_shm_file(drwsurf->size);
if (fd == -1) {
return 1;
}
drwsurf->pool_data =
mmap(NULL, drwsurf->size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (drwsurf->pool_data == MAP_FAILED) {
close(fd);
return 1;
}
drwsurf->pool_data =
mmap(NULL, drwsurf->size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (drwsurf->pool_data == MAP_FAILED) {
close(fd);
return 1;
}
struct wl_shm_pool *pool =
wl_shm_create_pool(drwsurf->ctx->shm, fd, drwsurf->size);
drwsurf->buf = wl_shm_pool_create_buffer(
pool, 0, drwsurf->width, drwsurf->height, stride, WL_SHM_FORMAT_ARGB8888);
wl_shm_pool_destroy(pool);
close(fd);
struct wl_shm_pool *pool =
wl_shm_create_pool(drwsurf->ctx->shm, fd, drwsurf->size);
drwsurf->buf =
wl_shm_pool_create_buffer(pool, 0, drwsurf->width, drwsurf->height,
stride, WL_SHM_FORMAT_ARGB8888);
wl_shm_pool_destroy(pool);
close(fd);
cairo_surface_t *s = cairo_image_surface_create_for_data(
drwsurf->pool_data, CAIRO_FORMAT_ARGB32, drwsurf->width, drwsurf->height,
stride);
cairo_surface_t *s = cairo_image_surface_create_for_data(
drwsurf->pool_data, CAIRO_FORMAT_ARGB32, drwsurf->width,
drwsurf->height, stride);
drwsurf->cairo = cairo_create(s);
cairo_scale(drwsurf->cairo, drwsurf->scale, drwsurf->scale);
cairo_set_antialias(drwsurf->cairo, CAIRO_ANTIALIAS_NONE);
drwsurf->layout = pango_cairo_create_layout(drwsurf->cairo);
pango_layout_set_font_description(drwsurf->layout,
drwsurf->ctx->font_description);
pango_layout_set_auto_dir(drwsurf->layout, false);
cairo_save(drwsurf->cairo);
drwsurf->cairo = cairo_create(s);
cairo_scale(drwsurf->cairo, drwsurf->scale, drwsurf->scale);
cairo_set_antialias(drwsurf->cairo, CAIRO_ANTIALIAS_NONE);
drwsurf->layout = pango_cairo_create_layout(drwsurf->cairo);
pango_layout_set_font_description(drwsurf->layout,
drwsurf->ctx->font_description);
pango_layout_set_auto_dir(drwsurf->layout, false);
cairo_save(drwsurf->cairo);
return 0;
return 0;
}