--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008-2019 Adam Williams <broadcast at earthling dot net>
+ *
+ * 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
+ */
+
+#ifndef __ALPHA_H__
+#define __ALPHA_H__
+
+class AlphaConfig;
+class AlphaColors;
+class AlphaWindow;
+class AlphaMain;
+
+#include "bccolors.h"
+#include "filexml.inc"
+#include "guicast.h"
+#include "pluginvclient.h"
+#include "vframe.inc"
+
+class AlphaConfig
+{
+public:
+ AlphaConfig();
+
+ int equivalent(AlphaConfig &that);
+ void copy_from(AlphaConfig &that);
+ void interpolate(AlphaConfig &prev, AlphaConfig &next,
+ long prev_frame, long next_frame, long current_frame);
+
+ float a;
+};
+
+class AlphaSlider : public BC_FSlider
+{
+public:
+ AlphaSlider(AlphaWindow *window, AlphaMain *plugin, int x, int y, int w);
+ ~AlphaSlider();
+ int handle_event();
+
+ AlphaWindow *window;
+ AlphaMain *plugin;
+};
+
+
+class AlphaWindow : public PluginClientWindow
+{
+public:
+ AlphaWindow(AlphaMain *plugin);
+ ~AlphaWindow();
+
+ void create_objects();
+ void update();
+
+ AlphaMain *plugin;
+ AlphaSlider *alpha_slider;
+};
+
+class AlphaMain : public PluginVClient
+{
+public:
+ AlphaMain(PluginServer *server);
+ ~AlphaMain();
+
+ int process_buffer(VFrame *frame, int64_t start_position, double frame_rate);
+ int is_realtime();
+ void save_data(KeyFrame *keyframe);
+ void read_data(KeyFrame *keyframe);
+ void update_gui();
+ int is_synthesis();
+
+ PLUGIN_CLASS_MEMBERS(AlphaConfig)
+};
+
+#endif