Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible
[goodguy/history.git] / cinelerra-5.1 / plugins / graphic / graphic.h
diff --git a/cinelerra-5.1/plugins/graphic/graphic.h b/cinelerra-5.1/plugins/graphic/graphic.h
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+
+/*
+ * CINELERRA
+ * Copyright (C) 1997-2011 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 GRAPHIC_H
+#define GRAPHIC_H
+
+#include "guicast.h"
+#include "fourier.h"
+#include "pluginaclient.h"
+
+
+#define MAX_WINDOW 262144
+//#define WINDOW_SIZE 16384
+#define MAXMAGNITUDE 15
+#define MAXFREQ 20000
+#define MIN_DB -15
+#define MAX_DB 15
+
+
+class GraphicGUI;
+class GraphicEQ;
+
+
+
+class GraphicPoint
+{
+public:
+       GraphicPoint();
+// Frequency in Hz
+       int freq;
+// Amplitude in DB
+       double value;
+};
+
+
+
+class GraphicConfig
+{
+public:
+       GraphicConfig();
+       ~GraphicConfig();
+       
+       int equivalent(GraphicConfig &that);
+       void copy_from(GraphicConfig &that);
+       void interpolate(GraphicConfig &prev, 
+               GraphicConfig &next, 
+               int64_t prev_frame, 
+               int64_t next_frame, 
+               int64_t current_frame);
+       void insert_point(GraphicPoint *point);
+       void delete_point(int number);
+
+       ArrayList<GraphicPoint*> points;
+//     double wetness;
+       int window_size;
+};
+
+
+
+class GraphicCanvas : public BC_SubWindow
+{
+public:
+       GraphicCanvas(GraphicEQ *plugin, GraphicGUI *gui, int x, int y, int w, int h);
+       virtual ~GraphicCanvas();
+       int button_press_event();
+       int cursor_motion_event();
+       int button_release_event();
+       void process(int buttonpress, int motion, int draw);
+       int freq_to_y(int freq,
+               ArrayList<GraphicPoint*> *points,
+               double *envelope);
+       void insert_point(GraphicPoint *point);
+       GraphicEQ *plugin;
+       GraphicGUI *gui;
+
+// Temporary envelope when editing
+       void new_temps();
+       void save_temps();
+
+       ArrayList<GraphicPoint*> temp_points;
+       double temp_envelope[MAX_WINDOW / 2];
+
+
+
+
+       int state;
+       enum
+       {
+               NONE,
+               DRAG_POINT
+       };
+       int x_diff, y_diff;
+};
+
+class FreqTextBox : public BC_TextBox
+{
+public:
+       FreqTextBox(GraphicEQ *plugin,
+               GraphicGUI *gui,
+               int x,
+               int y,
+               int w);
+       int handle_event();
+       void update(int freq);
+       GraphicEQ *plugin;
+       GraphicGUI *gui;
+};
+
+class ValueTextBox : public BC_TextBox
+{
+public:
+       ValueTextBox(GraphicEQ *plugin,
+               GraphicGUI *gui,
+               int x,
+               int y,
+               int w);
+       int handle_event();
+       void update(float value);
+       GraphicEQ *plugin;
+       GraphicGUI *gui;
+};
+
+class GraphicReset : public BC_GenericButton
+{
+public:
+       GraphicReset(GraphicEQ *plugin,
+               GraphicGUI *gui,
+               int x,
+               int y);
+       int handle_event();
+       GraphicEQ *plugin;
+       GraphicGUI *gui;
+};
+
+
+class GraphicSize : public BC_PopupMenu
+{
+public:
+       GraphicSize(GraphicGUI *window, GraphicEQ *plugin, int x, int y);
+
+       int handle_event();
+       void create_objects();         // add initial items
+       void update(int size);
+
+       GraphicGUI *window;
+       GraphicEQ *plugin;
+};
+
+
+class GraphicWetness : public BC_FPot
+{
+public:
+       GraphicWetness(GraphicGUI *window, GraphicEQ *plugin, int x, int y);
+       int handle_event();
+       GraphicGUI *window;
+       GraphicEQ *plugin;
+};
+
+
+class GraphicGUI : public PluginClientWindow
+{
+public:
+       GraphicGUI(GraphicEQ *plugin);
+       ~GraphicGUI();
+
+       void create_objects();
+       int keypress_event();
+       void update_canvas();
+       int resize_event(int w, int h);
+       void draw_ticks();
+       void update_textboxes();
+
+       FreqTextBox *freq_text;
+       ValueTextBox *value_text;
+       BC_Title *freq_title;
+       BC_Title *level_title;
+       BC_Title *size_title;
+
+       GraphicCanvas *canvas;
+       GraphicReset *reset;
+       GraphicSize *size;
+//     GraphicWetness *wetness;
+       GraphicEQ *plugin;
+};
+
+
+
+
+
+class GraphicGUIFrame : public PluginClientFrame
+{
+public:
+       GraphicGUIFrame(int window_size, int sample_rate);
+       virtual ~GraphicGUIFrame();
+       double *data;
+// Maximum of window in frequency domain
+       double freq_max;
+// Maximum of window in time domain
+       double time_max;
+       int window_size;
+};
+
+
+
+class GraphicFFT : public CrossfadeFFT
+{
+public:
+       GraphicFFT(GraphicEQ *plugin);
+       ~GraphicFFT();
+       
+       int post_process();
+       int signal_process();
+       int read_samples(int64_t output_sample, 
+               int samples, 
+               Samples *buffer);
+// Current GUI frame being filled
+       GraphicGUIFrame *frame;
+
+       GraphicEQ *plugin;
+};
+
+
+
+class GraphicEQ : public PluginAClient
+{
+public:
+       GraphicEQ(PluginServer *server);
+       ~GraphicEQ();
+
+       int is_realtime();
+       void read_data(KeyFrame *keyframe);
+       void save_data(KeyFrame *keyframe);
+       int process_buffer(int64_t size, 
+               Samples *buffer, 
+               int64_t start_position,
+               int sample_rate);
+       void update_gui();
+       double freq_to_magnitude(double frequency,
+               ArrayList<GraphicPoint*> *points,
+               double *envelope);
+       void calculate_envelope(ArrayList<GraphicPoint*> *points,
+               double *envelope);
+       int active_point_exists();
+       void reconfigure();
+
+
+       PLUGIN_CLASS_MEMBERS(GraphicConfig)
+
+
+
+       double envelope[MAX_WINDOW / 2];
+       int active_point;
+// For refreshing the canvas
+       GraphicGUIFrame *last_frame;
+       GraphicFFT *fft;
+       int need_reconfigure;
+       int w, h;
+};
+
+
+
+#endif // GRAPHIC_H