1 files changed, 73 insertions, 0 deletions

diff --git a/src/others/mimesh/g3dviewer-0.2.99.4/src/screenshot.c b/src/others/mimesh/g3dviewer-0.2.99.4/src/screenshot.c
new file mode 100644
index 0000000..f304666
--- /dev/null
+++ b/src/others/mimesh/g3dviewer-0.2.99.4/src/screenshot.c
@@ -0,0 +1,73 @@
+/* $Id: screenshot.c 41 2006-05-22 12:23:29Z mmmaddd $ */
+
+/*
+        G3DViewer - 3D object viewer
+
+        Copyright (C) 2005, 2006  Markus Dahms <mad@automagically.de>
+
+    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
+*/
+
+#ifdef HAVE_CONFIG_H
+#       include <config.h>
+#endif
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <GL/gl.h>
+
+static guint8 *screenshot_get_pixels(guint32 width, guint32 height)
+{
+        guint8 *pixels;
+
+        pixels = g_new(guint8, width * height * 4);
+
+        glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
+
+        return pixels;
+}
+
+gboolean screenshot_save(const gchar *filename, guint32 width, guint32 height)
+{
+        guint8 *pixels;
+        GdkPixbuf *pixbuf, *flipped;
+
+        pixels = screenshot_get_pixels(width, height);
+
+        if(pixels == NULL)
+                return FALSE;
+
+        pixbuf = gdk_pixbuf_new_from_data(pixels,
+                GDK_COLORSPACE_RGB, TRUE,
+                8, width, height, width * 4,
+                NULL, NULL);
+
+        if(pixbuf == NULL)
+                return FALSE;
+
+        /* GL returns pixels starting from lower left corner */
+        flipped = gdk_pixbuf_flip(pixbuf, FALSE);
+
+        if(flipped == NULL)
+                return FALSE;
+
+        gdk_pixbuf_save(flipped, filename, "png", NULL, NULL);
+
+        g_free(pixels);
+
+        gdk_pixbuf_unref(pixbuf);
+        gdk_pixbuf_unref(flipped);
+
+        return TRUE;
+}