Camera
/* $Id$ */
/* Copyright (c) 2012-2020 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Camera */
/* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY ITS AUTHORS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
#include <unistd.h>
#include <stdio.h>
#include <locale.h>
#include <libintl.h>
#include <gtk/gtk.h>
#if GTK_CHECK_VERSION(3, 0, 0)
# include <gtk/gtkx.h>
#endif
#include <System.h>
#include "camera.h"
#include "window.h"
#include "../config.h"
#define _(string) gettext(string)
/* constants */
#ifndef PROGNAME_CAMERA
# define PROGNAME_CAMERA "camera"
#endif
#ifndef PREFIX
# define PREFIX "/usr/local"
#endif
#ifndef DATADIR
# define DATADIR PREFIX "/share"
#endif
#ifndef LOCALEDIR
# define LOCALEDIR DATADIR "/locale"
#endif
/* private */
/* prototypes */
static int _camera(int embedded, char const * device, int hflip, int vflip,
int ratio, char const * overlay);
static int _error(char const * message, int ret);
static int _usage(void);
/* functions */
/* camera */
static int _camera_embedded(char const * device, int hflip, int vflip,
int ratio, char const * overlay);
static void _embedded_on_embedded(gpointer data);
static int _camera(int embedded, char const * device, int hflip, int vflip,
int ratio, char const * overlay)
{
CameraWindow * camera;
if(embedded != 0)
return _camera_embedded(device, hflip, vflip, ratio, overlay);
if((camera = camerawindow_new(device)) == NULL)
return error_print(PACKAGE);
camerawindow_load(camera);
if(hflip >= 0)
camerawindow_set_hflip(camera, hflip ? TRUE : FALSE);
if(vflip >= 0)
camerawindow_set_vflip(camera, vflip ? TRUE : FALSE);
if(ratio >= 0)
camerawindow_set_aspect_ratio(camera, ratio ? TRUE : FALSE);
if(overlay != NULL)
camerawindow_add_overlay(camera, overlay, 50);
gtk_main();
camerawindow_delete(camera);
return 0;
}
static int _camera_embedded(char const * device, int hflip, int vflip,
int ratio, char const * overlay)
{
GtkWidget * window;
GtkWidget * widget;
Camera * camera;
unsigned long id;
window = gtk_plug_new(0);
gtk_widget_realize(window);
g_signal_connect_swapped(window, "embedded", G_CALLBACK(
_embedded_on_embedded), window);
if((camera = camera_new(window, NULL, device)) == NULL)
{
error_print(PACKAGE);
gtk_widget_destroy(window);
return -1;
}
if(hflip >= 0)
camera_set_hflip(camera, hflip ? TRUE : FALSE);
if(vflip >= 0)
camera_set_vflip(camera, vflip ? TRUE : FALSE);
if(ratio >= 0)
camera_set_aspect_ratio(camera, ratio ? TRUE : FALSE);
if(overlay != NULL)
camera_add_overlay(camera, overlay, 50);
widget = camera_get_widget(camera);
gtk_container_add(GTK_CONTAINER(window), widget);
id = gtk_plug_get_id(GTK_PLUG(window));
printf("%lu\n", id);
fclose(stdout);
gtk_main();
camera_delete(camera);
gtk_widget_destroy(window);
return 0;
}
static void _embedded_on_embedded(gpointer data)
{
GtkWidget * widget = data;
gtk_widget_show(widget);
}
/* error */
static int _error(char const * message, int ret)
{
fputs(PROGNAME_CAMERA ": ", stderr);
perror(message);
return ret;
}
/* usage */
static int _usage(void)
{
fprintf(stderr, _("Usage: %s [-d device][-O filename][-HhRrVvx]\n"
" -d Video device to open\n"
" -H Flip horizontally\n"
" -h Do not flip horizontally\n"
" -O Use this file as an overlay\n"
" -R Preserve the aspect ratio when scaling\n"
" -r Do not preserve the aspect ratio when scaling\n"
" -V Flip vertically\n"
" -v Do not flip vertically\n"
" -x Start in embedded mode\n"), PROGNAME_CAMERA);
return 1;
}
/* public */
/* functions */
/* main */
int main(int argc, char * argv[])
{
int o;
int embedded = 0;
char const * device = NULL;
int hflip = -1;
int vflip = -1;
int ratio = -1;
char const * overlay = NULL;
if(setlocale(LC_ALL, "") == NULL)
_error("setlocale", 1);
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
gtk_init(&argc, &argv);
while((o = getopt(argc, argv, "d:HhO:RrVvx")) != -1)
switch(o)
{
case 'd':
device = optarg;
break;
case 'H':
hflip = 1;
break;
case 'h':
hflip = 0;
break;
case 'O':
overlay = optarg;
break;
case 'R':
ratio = 1;
break;
case 'r':
ratio = 0;
break;
case 'V':
vflip = 1;
break;
case 'v':
vflip = 0;
break;
case 'x':
embedded = 1;
break;
default:
return _usage();
}
if(optind != argc)
return _usage();
return (_camera(embedded, device, hflip, vflip, ratio, overlay) == 0)
? 0 : 2;
}