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Implement wlr_region using pixman

This commit is contained in:
nyorain 2017-08-09 16:24:28 +02:00
parent a77fac0760
commit 1bea754521
5 changed files with 58 additions and 1 deletions
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2
README.md
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@ -8,7 +8,6 @@ WIP - [Status](https://github.com/SirCmpwn/wlroots/issues/9)
Install dependencies:
* cmake
* wayland
* wayland-protocols
* EGL
@ -17,6 +16,7 @@ Install dependencies:
* GBM
* libinput
* udev
* pixman
* systemd (optional, for logind support)
* libcap (optional, for capability support)
* asciidoc (optional, for man pages)

10
include/wlr/types/wlr_region.h Normal file
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@ -0,0 +1,10 @@
#ifndef _WLR_TYPES_REGION_H
#define _WLR_TYPES_REGION_H
struct wl_resource;
// Implements the given resource as region.
// Sets the associated pixman_region32_t as userdata.
void wlr_region_create(struct wl_resource *res);
#endif

2
meson.build
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@ -30,6 +30,7 @@ dep_gbm = dependency('gbm')
dep_libinput = dependency('libinput')
dep_xkbcommon = dependency('xkbcommon')
dep_udev = dependency('libudev')
dep_pixman = dependency('pixman-1')
dep_libcap = dependency('libcap', required: false)
dep_systemd = dependency('libsystemd', required: false)
dep_math = cc.find_library('m', required: false)
@ -46,6 +47,7 @@ all_deps = [
dep_libinput,
dep_xkbcommon,
dep_udev,
dep_pixman,
dep_libcap,
dep_systemd,
dep_math,

1
types/meson.build
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@ -3,6 +3,7 @@ wlr_files += files(
'wlr_keyboard.c',
'wlr_output.c',
'wlr_pointer.c',
'wlr_region.c',
'wlr_tablet_pad.c',
'wlr_tablet_tool.c',
'wlr_touch.c',

44
types/wlr_region.c Normal file
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@ -0,0 +1,44 @@
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <wayland-server.h>
#include <pixman.h>
static void region_add(struct wl_client *client, struct wl_resource *resource,
int32_t x, int32_t y, int32_t width, int32_t height) {
pixman_region32_t *region = wl_resource_get_user_data(resource);
pixman_region32_union_rect(region, region, x, y, width, height);
}
static void region_subtract(struct wl_client *client, struct wl_resource *resource,
int32_t x, int32_t y, int32_t width, int32_t height) {
pixman_region32_t *region = wl_resource_get_user_data(resource);
pixman_region32_union_rect(region, region, x, y, width, height);
pixman_region32_t rect;
pixman_region32_init_rect(&rect, x, y, width, height);
pixman_region32_subtract(region, region, &rect);
pixman_region32_fini(&rect);
}
static void region_destroy(struct wl_client *client, struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static const struct wl_region_interface region_interface = {
region_destroy,
region_add,
region_subtract,
};
static void destroy_region(struct wl_resource *resource) {
pixman_region32_t *reg = wl_resource_get_user_data(resource);
pixman_region32_fini(reg);
free(reg);
}
void wlr_region_create(struct wl_resource *res) {
pixman_region32_t *region = calloc(1, sizeof(pixman_region32_t));
pixman_region32_init(region);
wl_resource_set_implementation(res, &region_interface, region, destroy_region);
}