neatvnc/examples/png-server.c

70 lines
1.9 KiB
C

/*
* Copyright (c) 2019 Andri Yngvason
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "neatvnc.h"
#include <stdio.h>
#include <uv.h>
#include <assert.h>
#include <pixman.h>
int read_png_file(struct nvnc_fb* fb, const char *filename);
void on_fb_req(struct nvnc_client *client, bool incremental,
uint16_t x, uint16_t y, uint16_t width, uint16_t height)
{
if (incremental)
return;
struct nvnc *server = nvnc_get_server(client);
assert(server);
struct nvnc_fb *fb = nvnc_get_userdata(server);
assert(fb);
struct pixman_region16 region;
pixman_region_init_rect(&region, 0, 0, fb->width, fb->height);
nvnc_update_fb(server, fb, &region);
pixman_region_fini(&region);
}
int main(int argc, char *argv[])
{
const char *file = argv[1];
if (!file) {
printf("Missing argument\n");
return 1;
}
struct nvnc_fb fb;
if (read_png_file(&fb, file) < 0) {
printf("Failed to read png file\n");
return 1;
}
struct nvnc *server = nvnc_open("127.0.0.1", 5900);
nvnc_set_dimensions(server, fb.width, fb.height, fb.fourcc_format);
nvnc_set_name(server, file);
nvnc_set_fb_req_fn(server, on_fb_req);
nvnc_set_userdata(server, &fb);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
nvnc_close(server);
}