--- /dev/null
+
+/*
+ * 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
+ *
+ */
+
+#ifndef POLAR_H
+#define POLAR_H
+
+#define MAXDEPTH 100
+#define MAXANGLE 360
+
+class PolarMain;
+class PolarEngine;
+
+#include "bcbase.h"
+#include "polarwindow.h"
+#include "pluginvclient.h"
+
+
+class PolarMain : public PluginVClient
+{
+public:
+ PolarMain(int argc, char *argv[]);
+ ~PolarMain();
+
+// required for all realtime plugins
+ PLUGIN_CLASS_MEMBERS(PolarConfig)
+ int process_realtime(long size, VFrame **input_ptr, VFrame **output_ptr);
+ int plugin_is_realtime();
+ int plugin_is_multi_channel();
+ int save_data(char *text);
+ int read_data(char *text);
+
+// parameters needed
+ int reconfigure(); // Rebuild tables
+ int depth;
+ int angle;
+ int polar_to_rectangular;
+ int backwards;
+ int inverse;
+ int automated_function;
+ int reconfigure_flag;
+ VFrame *temp_frame;
+
+
+private:
+ PolarEngine **engine;
+};
+
+class PolarEngine : public Thread
+{
+public:
+ PolarEngine(PolarMain *plugin, int start_y, int end_y);
+ ~PolarEngine();
+
+ int start_process_frame(VFrame **output, VFrame **input, int size);
+ int wait_process_frame();
+ void run();
+ void get_pixel(const int &x, const int &y, VPixel *pixel, VPixel **input_rows);
+ int calc_undistorted_coords(int wx,
+ int wy,
+ double &x,
+ double &y);
+ inline VWORD bilinear(double &x, double &y, VWORD *values)
+ {
+ double m0, m1;
+ x = fmod(x, 1.0);
+ y = fmod(y, 1.0);
+
+ if(x < 0.0) x += 1.0;
+ if(y < 0.0) y += 1.0;
+
+ m0 = (double)values[0] + x * ((double)values[1] - values[0]);
+ m1 = (double)values[2] + x * ((double)values[3] - values[2]);
+ return (VWORD)(m0 + y * (m1 - m0));
+ }
+
+ PolarMain *plugin;
+ int start_y;
+ int end_y;
+ int size;
+ double cen_x, cen_y;
+ VFrame **output, **input;
+ int last_frame;
+ Mutex input_lock, output_lock;
+};
+
+
+#endif