Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / guicast / rotateframe.h

diff --git a/cinelerra-5.1/guicast/rotateframe.h b/cinelerra-5.1/guicast/rotateframe.h
new file mode 100644 (file)
index 0000000..ec47b47
--- /dev/null
+++ b/cinelerra-5.1/guicast/rotateframe.h
@@ -0,0 +1,108 @@
+
+/*
+ * 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 ROTATEFRAME_H
+#define ROTATEFRAME_H
+
+#include "condition.inc"
+#include "thread.h"
+#include "vframe.inc"
+
+class RotateEngine;
+
+typedef struct
+{
+       float x, y;
+} SourceCoord;
+
+class RotateFrame
+{
+public:
+       RotateFrame(int cpus, int width, int height);
+       ~RotateFrame();
+
+// angle is 0 - 360
+       void rotate(VFrame *output, 
+               VFrame *input, 
+               double angle, 
+               int interpolate);
+       int rotate_rightangle(VFrame *input, 
+               VFrame *output, 
+               int angle);
+       int rotate_obliqueangle(VFrame *input, 
+               VFrame *output, 
+               double angle,
+               int interpolate);
+       int get_rightdimensions(VFrame *frame, 
+               int &diameter, 
+               int &in_x1, 
+               int &in_y1, 
+               int &in_x2, 
+               int &in_y2, 
+               int &out_x1, 
+               int &out_y1, 
+               int &out_x2, 
+               int &out_y2);
+
+       int cpus;
+       RotateEngine **engine;
+// Matrix of source pixel offsets
+       int *int_matrix, **int_rows;
+// Interpolation uses input coordinates for each output coordinate.
+       SourceCoord *float_matrix, **float_rows;
+       VFrame *output, *input;
+       int interpolate;
+       int last_interpolate;
+// Compare new angle with old angle
+       double last_angle;
+       double angle;
+};
+
+
+class RotateEngine : public Thread
+{
+public:
+       RotateEngine(RotateFrame *plugin, int row1, int row2);
+       ~RotateEngine();
+       
+       int generate_matrix(int interpolate);
+       int perform_rotation(VFrame *input, 
+               VFrame *output, 
+               int interpolate);
+       int wait_completion();
+       int create_matrix();
+       int coords_to_pixel(int &input_y, int &input_x);
+       int coords_to_pixel(SourceCoord &float_pixel, float &input_y, float &input_x);
+       int perform_rotation();
+       void run();
+       
+       int row1, row2;
+       int interpolate;
+       int do_matrix, do_rotation;
+       int done;
+       RotateFrame *plugin;
+       Condition *input_lock;
+       Condition *output_lock;
+       VFrame *output;
+       VFrame *input;
+};
+
+#endif