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exposable: add a "common" constructor and default destructor

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This commit is contained in:
Daniel Eklöf 2018-12-29 12:51:31 +01:00
parent acda1a4b21
commit e8d8bf70d3
6 changed files with 59 additions and 33 deletions
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10
particles/empty.c
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@ -2,12 +2,6 @@
#include <stdlib.h>
static void
exposable_destroy(struct exposable *exposable)
{
free(exposable);
}
static int
begin_expose(struct exposable *exposable, cairo_t *cr)
{
@ -27,9 +21,7 @@ expose(const struct exposable *exposable, cairo_t *cr, int x, int y, int height)
static struct exposable *
instantiate(const struct particle *particle, const struct tag_set *tags)
{
struct exposable *exposable = malloc(sizeof(*exposable));
exposable->particle = particle;
exposable->destroy = &exposable_destroy;
struct exposable *exposable = exposable_common_new(particle, NULL);
exposable->begin_expose = &begin_expose;
exposable->expose = &expose;
return exposable;