89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*
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* Copyright © 2008 Kristian Høgsberg
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdlib.h>
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#include <GLES2/gl2.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include "compositor.h"
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#include "screenshooter-server-protocol.h"
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struct screenshooter {
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struct wl_object base;
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struct wlsc_compositor *ec;
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};
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static void
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screenshooter_shoot(struct wl_client *client, struct screenshooter *shooter)
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{
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struct wlsc_compositor *ec = shooter->ec;
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struct wlsc_output *output;
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char buffer[256];
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GdkPixbuf *pixbuf;
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GError *error = NULL;
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unsigned char *data;
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int i, j;
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i = 0;
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wl_list_for_each(output, &ec->output_list, link) {
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snprintf(buffer, sizeof buffer, "wayland-screenshot-%d.png", i++);
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data = malloc(output->width * output->height * 4);
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if (data == NULL) {
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fprintf(stderr, "couldn't allocate image buffer\n");
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continue;
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}
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glPixelStorei(GL_PACK_ALIGNMENT, 1);
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glReadPixels(0, 0, output->width, output->height,
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GL_RGBA, GL_UNSIGNED_BYTE, data);
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/* FIXME: We should just use a RGB visual for the frontbuffer. */
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for (j = 3; j < output->width * output->height * 4; j += 4)
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data[j] = 0xff;
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pixbuf = gdk_pixbuf_new_from_data(data, GDK_COLORSPACE_RGB, TRUE,
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8, output->width, output->height, output->width * 4,
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NULL, NULL);
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gdk_pixbuf_save(pixbuf, buffer, "png", &error, NULL);
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g_object_unref(pixbuf);
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free(data);
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}
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}
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struct screenshooter_interface screenshooter_implementation = {
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screenshooter_shoot
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};
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void
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screenshooter_create(struct wlsc_compositor *ec)
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{
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struct screenshooter *shooter;
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shooter = malloc(sizeof *shooter);
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if (shooter == NULL)
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return;
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shooter->base.interface = &screenshooter_interface;
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shooter->base.implementation =
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(void(**)(void)) &screenshooter_implementation;
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shooter->ec = ec;
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wl_display_add_object(ec->wl_display, &shooter->base);
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wl_display_add_global(ec->wl_display, &shooter->base, NULL);
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};
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