45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <assert.h>
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#include <wayland-server.h>
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#include <pixman.h>
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static void region_add(struct wl_client *client, struct wl_resource *resource,
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int32_t x, int32_t y, int32_t width, int32_t height) {
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pixman_region32_t *region = wl_resource_get_user_data(resource);
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pixman_region32_union_rect(region, region, x, y, width, height);
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}
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static void region_subtract(struct wl_client *client, struct wl_resource *resource,
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int32_t x, int32_t y, int32_t width, int32_t height) {
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pixman_region32_t *region = wl_resource_get_user_data(resource);
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pixman_region32_union_rect(region, region, x, y, width, height);
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pixman_region32_t rect;
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pixman_region32_init_rect(&rect, x, y, width, height);
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pixman_region32_subtract(region, region, &rect);
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pixman_region32_fini(&rect);
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}
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static void region_destroy(struct wl_client *client, struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static const struct wl_region_interface region_interface = {
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region_destroy,
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region_add,
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region_subtract,
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};
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static void destroy_region(struct wl_resource *resource) {
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pixman_region32_t *reg = wl_resource_get_user_data(resource);
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pixman_region32_fini(reg);
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free(reg);
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}
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void wlr_region_create(struct wl_resource *res) {
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pixman_region32_t *region = calloc(1, sizeof(pixman_region32_t));
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pixman_region32_init(region);
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wl_resource_set_implementation(res, ®ion_interface, region, destroy_region);
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}
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