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

[goodguy/history.git] / cinelerra-5.1 / cinelerra / floatautos.h

diff --git a/cinelerra-5.1/cinelerra/floatautos.h b/cinelerra-5.1/cinelerra/floatautos.h
new file mode 100644 (file)
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+++ b/cinelerra-5.1/cinelerra/floatautos.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
+ *
+ */
+
+#ifndef FLOATAUTOS_H
+#define FLOATAUTOS_H
+
+#include "autos.h"
+#include "edl.inc"
+#include "guicast.h"
+#include "filexml.inc"
+#include "floatauto.inc"
+
+class FloatAutos : public Autos
+{
+public:
+       FloatAutos(EDL *edl,
+               Track *track,
+// Value for default auto
+               float default_);
+       ~FloatAutos();
+
+
+       void draw_joining_line(BC_SubWindow *canvas, int vertical, int center_pixel, int x1, int y1, int x2, int y2);
+       int get_testy(float slope, int cursor_x, int ax, int ay);
+// Return 1 if the automation is constant.
+// constant - set to the value if it is constant
+       int automation_is_constant(int64_t start,
+               int64_t length,
+               int direction,
+               double &constant);
+       double get_automation_constant(int64_t start, int64_t end);
+// Get value at a specific point.  This needs previous and next stores
+// because it is used for every pixel in the timeline drawing function.
+       float get_value(int64_t position,
+               int direction,
+               FloatAuto* &previous,
+               FloatAuto* &next);
+// Helper: just calc the bezier function without doing any lookup of nodes
+       static float calculate_bezier(FloatAuto *previous, FloatAuto *next, int64_t position);
+       static float calculate_bezier_derivation(FloatAuto *previous, FloatAuto *next, int64_t position);
+       void get_extents(float *min, 
+               float *max,
+               int *coords_undefined,
+               int64_t unit_start,
+               int64_t unit_end);
+
+       void set_automation_mode(int64_t start, int64_t end, int mode);
+
+       void dump();
+       Auto* new_auto();
+       float default_;
+};
+
+
+#endif