add crop plugin, add timeline bars, render setup err chks, minor tweaks

[goodguy/cinelerra.git] / cinelerra-5.1 / plugins / crop / crop.h

diff --git a/cinelerra-5.1/plugins/crop/crop.h b/cinelerra-5.1/plugins/crop/crop.h
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+++ b/cinelerra-5.1/plugins/crop/crop.h
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+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 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
+ *
+ */
+
+/*
+ * 2019. Derivative by Translate plugin. This plugin works also with Proxy.
+ * It uses Percent values instead of Pixel value coordinates.
+*/
+
+#ifndef CROP_H
+#define CROP_H
+
+// the simplest plugin possible
+
+class CropMain;
+
+#include "bchash.h"
+#include "mutex.h"
+#include "cropwin.h"
+#include "overlayframe.h"
+#include "pluginvclient.h"
+
+class CropConfig
+{
+public:
+       CropConfig();
+       void reset(int clear);
+       int equivalent(CropConfig &that);
+       void copy_from(CropConfig &that);
+       void interpolate(CropConfig &prev,
+               CropConfig &next,
+               int64_t prev_frame,
+               int64_t next_frame,
+               int64_t current_frame);
+
+       float crop_l, crop_t, crop_r, crop_b;
+       float position_x, position_y;
+};
+
+
+class CropMain : public PluginVClient
+{
+public:
+       CropMain(PluginServer *server);
+       ~CropMain();
+
+// required for all realtime plugins
+       PLUGIN_CLASS_MEMBERS(CropConfig)
+       int process_realtime(VFrame *input_ptr, VFrame *output_ptr);
+       int is_realtime();
+       void update_gui();
+       void save_data(KeyFrame *keyframe);
+       void read_data(KeyFrame *keyframe);
+
+
+       OverlayFrame *overlayer;   // To translate images
+       VFrame *temp_frame;
+};
+
+
+#endif