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/*
* Copyright © 2008 Kristian Høgsberg
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdlib.h>
#include <GLES2/gl2.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "compositor.h"
struct screenshooter {
struct wl_object base;
struct wlsc_compositor *ec;
};
struct screenshooter_interface {
void (*shoot)(struct wl_client *client, struct screenshooter *shooter);
};
static void
screenshooter_shoot(struct wl_client *client, struct screenshooter *shooter)
{
struct wlsc_compositor *ec = shooter->ec;
struct wlsc_output *output;
char buffer[256];
GdkPixbuf *pixbuf, *normal;
GError *error = NULL;
unsigned char *data;
int i, j;
i = 0;
wl_list_for_each(output, &ec->output_list, link) {
snprintf(buffer, sizeof buffer, "wayland-screenshot-%d.png", i++);
data = malloc(output->width * output->height * 4);
if (data == NULL) {
fprintf(stderr, "couldn't allocate image buffer\n");
continue;
}
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(0, 0, output->width, output->height,
GL_RGBA, GL_UNSIGNED_BYTE, data);
/* FIXME: We should just use a RGB visual for the frontbuffer. */
for (j = 3; j < output->width * output->height * 4; j += 4)
data[j] = 0xff;
pixbuf = gdk_pixbuf_new_from_data(data, GDK_COLORSPACE_RGB, TRUE,
8, output->width, output->height, output->width * 4,
NULL, NULL);
normal = gdk_pixbuf_flip(pixbuf, FALSE);
gdk_pixbuf_save(normal, buffer, "png", &error, NULL);
gdk_pixbuf_unref(normal);
gdk_pixbuf_unref(pixbuf);
free(data);
}
}
static const struct wl_message screenshooter_methods[] = {
{ "shoot", "", NULL }
};
static const struct wl_interface screenshooter_interface = {
"screenshooter", 1,
ARRAY_LENGTH(screenshooter_methods),
screenshooter_methods,
};
struct screenshooter_interface screenshooter_implementation = {
screenshooter_shoot
};
void
screenshooter_create(struct wlsc_compositor *ec)
{
struct screenshooter *shooter;
shooter = malloc(sizeof *shooter);
if (shooter == NULL)
return;
shooter->base.interface = &screenshooter_interface;
shooter->base.implementation =
(void(**)(void)) &screenshooter_implementation;
shooter->ec = ec;
wl_display_add_object(ec->wl_display, &shooter->base);
wl_display_add_global(ec->wl_display, &shooter->base, NULL);
};
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