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/*
* Screenshot saving plugin for Zapping
* Copyright (C) 2000-2001 Iaki Garca Etxebarria
* Copyright (C) 2001 Michael H. Schimek
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "screenshot.h"
static gboolean
backend_init (screenshot_data *data _unused_,
gboolean write _unused_, gint quality _unused_)
{
return TRUE;
}
static void
backend_save (screenshot_data *data)
{
gchar *src, *dest;
guint src_bpl, dest_bpl, free, n;
src = (gchar *) data->data;
src_bpl = data->format.bytes_per_line[0];
dest = data->io_buffer;
free = data->io_buffer_size;
dest_bpl = data->format.width * 3;
g_assert (free > 80 && free > (dest_bpl + 80));
n = snprintf (dest, 80, "P6 %d %d 255\n",
data->format.width, data->format.height);
dest += n;
free -= n;
/* NB lines is evaluated by parent thread to update the progress bar */
for (data->lines = 0; data->lines < data->format.height; data->lines++)
{
if (screenshot_close_everything || data->thread_abort)
{
data->thread_abort = TRUE;
break;
}
if (free < dest_bpl)
{
data->io_flush (data, data->io_buffer_size - free);
dest = data->io_buffer;
free = data->io_buffer_size;
}
memcpy (dest, src, data->format.width * 3);
src += src_bpl;
dest += dest_bpl;
free -= dest_bpl;
}
if (!data->thread_abort && free < data->io_buffer_size)
data->io_flush (data, data->io_buffer_size - free);
}
screenshot_backend
screenshot_backend_ppm =
{
.keyword = "ppm",
.label = "PPM",
.extension = "ppm",
.quality = FALSE,
.bpp_est = 3.0,
.init = backend_init,
.save = backend_save,
};
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