Implement wlr_region using pixman
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@ -8,7 +8,6 @@ WIP - [Status](https://github.com/SirCmpwn/wlroots/issues/9)
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Install dependencies:
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* cmake
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* wayland
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* wayland-protocols
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* EGL
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@ -17,6 +16,7 @@ Install dependencies:
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* GBM
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* libinput
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* udev
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* pixman
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* systemd (optional, for logind support)
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* libcap (optional, for capability support)
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* asciidoc (optional, for man pages)
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@ -0,0 +1,10 @@
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#ifndef _WLR_TYPES_REGION_H
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#define _WLR_TYPES_REGION_H
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struct wl_resource;
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// Implements the given resource as region.
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// Sets the associated pixman_region32_t as userdata.
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void wlr_region_create(struct wl_resource *res);
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#endif
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@ -30,6 +30,7 @@ dep_gbm = dependency('gbm')
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dep_libinput = dependency('libinput')
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dep_xkbcommon = dependency('xkbcommon')
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dep_udev = dependency('libudev')
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dep_pixman = dependency('pixman-1')
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dep_libcap = dependency('libcap', required: false)
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dep_systemd = dependency('libsystemd', required: false)
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dep_math = cc.find_library('m', required: false)
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@ -46,6 +47,7 @@ all_deps = [
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dep_libinput,
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dep_xkbcommon,
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dep_udev,
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dep_pixman,
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dep_libcap,
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dep_systemd,
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dep_math,
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@ -3,6 +3,7 @@ wlr_files += files(
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'wlr_keyboard.c',
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'wlr_output.c',
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'wlr_pointer.c',
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'wlr_region.c',
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'wlr_tablet_pad.c',
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'wlr_tablet_tool.c',
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'wlr_touch.c',
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@ -0,0 +1,44 @@
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#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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