diff options
Diffstat (limited to 'tools/spicy-screenshot.c')
| -rw-r--r-- | tools/spicy-screenshot.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/tools/spicy-screenshot.c b/tools/spicy-screenshot.c new file mode 100644 index 0000000..68f9335 --- /dev/null +++ b/tools/spicy-screenshot.c @@ -0,0 +1,194 @@ +/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */ +/* + Copyright (C) 2010 Red Hat, Inc. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, see <http://www.gnu.org/licenses/>. +*/ +#include "config.h" + +#include "spice-client.h" +#include "spice-common.h" +#include "spice-cmdline.h" + +/* config */ +static const char *outf = "spicy-screenshot.ppm"; +static gboolean version = FALSE; + +/* state */ +static SpiceSession *session; +static GMainLoop *mainloop; + +enum SpiceSurfaceFmt d_format; +gint d_width, d_height, d_stride; +gpointer d_data; + +/* ------------------------------------------------------------------ */ + +static void primary_create(SpiceChannel *channel, gint format, + gint width, gint height, gint stride, + gint shmid, gpointer imgdata, gpointer data) +{ + SPICE_DEBUG("%s: %dx%d, format %d", __FUNCTION__, width, height, format); + d_format = format; + d_width = width; + d_height = height; + d_stride = stride; + d_data = imgdata; +} + +static int write_ppm_32(void) +{ + FILE *fp; + uint8_t *p; + int n; + + fp = fopen(outf,"w"); + if (NULL == fp) { + fprintf(stderr, "%s: can't open %s: %s\n", g_get_prgname(), outf, strerror(errno)); + return -1; + } + fprintf(fp, "P6\n%d %d\n255\n", + d_width, d_height); + n = d_width * d_height; + p = d_data; + while (n > 0) { +#ifdef WORDS_BIGENDIAN + fputc(p[1], fp); + fputc(p[2], fp); + fputc(p[3], fp); +#else + fputc(p[2], fp); + fputc(p[1], fp); + fputc(p[0], fp); +#endif + p += 4; + n--; + } + fclose(fp); + return 0; +} + +static void invalidate(SpiceChannel *channel, + gint x, gint y, gint w, gint h, gpointer *data) +{ + int rc; + + switch (d_format) { + case SPICE_SURFACE_FMT_32_xRGB: + rc = write_ppm_32(); + break; + default: + fprintf(stderr, "unsupported spice surface format %u\n", d_format); + rc = -1; + break; + } + if (rc == 0) + fprintf(stderr, "wrote screen shot to %s\n", outf); + g_main_loop_quit(mainloop); +} + +static void main_channel_event(SpiceChannel *channel, SpiceChannelEvent event, + gpointer data) +{ + switch (event) { + case SPICE_CHANNEL_OPENED: + break; + default: + g_warning("main channel event: %u", event); + g_main_loop_quit(mainloop); + } +} + +static void channel_new(SpiceSession *s, SpiceChannel *channel, gpointer *data) +{ + int id; + + if (SPICE_IS_MAIN_CHANNEL(channel)) { + g_signal_connect(channel, "channel-event", + G_CALLBACK(main_channel_event), data); + return; + } + + if (!SPICE_IS_DISPLAY_CHANNEL(channel)) + return; + + g_object_get(channel, "channel-id", &id, NULL); + if (id != 0) + return; + + g_signal_connect(channel, "display-primary-create", + G_CALLBACK(primary_create), NULL); + g_signal_connect(channel, "display-invalidate", + G_CALLBACK(invalidate), NULL); + spice_channel_connect(channel); +} + +/* ------------------------------------------------------------------ */ + +static GOptionEntry app_entries[] = { + { + .long_name = "out-file", + .short_name = 'o', + .arg = G_OPTION_ARG_FILENAME, + .arg_data = &outf, + .description = "Output file name (default spicy-screenshot.ppm)", + .arg_description = "<filename>", + }, + { + .long_name = "version", + .arg = G_OPTION_ARG_NONE, + .arg_data = &version, + .description = "Display version and quit", + }, + { + /* end of list */ + } +}; + +int main(int argc, char *argv[]) +{ + GError *error = NULL; + GOptionContext *context; + + /* parse opts */ + context = g_option_context_new(" - make screen shots"); + g_option_context_set_summary(context, "A Spice server client to take screenshots in ppm format."); + g_option_context_set_description(context, "Report bugs to " PACKAGE_BUGREPORT "."); + g_option_context_set_main_group(context, spice_cmdline_get_option_group()); + g_option_context_add_main_entries(context, app_entries, NULL); + if (!g_option_context_parse (context, &argc, &argv, &error)) { + g_print("option parsing failed: %s\n", error->message); + exit(1); + } + + if (version) { + g_print("%s " PACKAGE_VERSION "\n", g_get_prgname()); + exit(0); + } + + mainloop = g_main_loop_new(NULL, false); + + session = spice_session_new(); + g_signal_connect(session, "channel-new", + G_CALLBACK(channel_new), NULL); + spice_cmdline_session_setup(session); + + if (!spice_session_connect(session)) { + fprintf(stderr, "spice_session_connect failed\n"); + exit(1); + } + + g_main_loop_run(mainloop); + return 0; +} |